КОМПОЗИТНЫЙ МАТЕРИАЛ С ПОВЫШЕННОЙ СИЛОЙ СЦЕПЛЕНИЯ, СПОСОБ ЕГО ПОЛУЧЕНИЯ И ПРИМЕНЕНИЕ, В ЧАСТНОСТИ, В СИГАРЕТНЫХ ФИЛЬТРАХ

Изобретение относится к композитному материалу с повышенной силой сцепления, состоящему из по меньшей мере одного полимера и по меньшей мере одного соединения, выбираемого из диоксида кремния и активированного угля, при этом указанный композитный материал имеет: средний размер частиц по меньшей мере 100 мкм, пористый объем (Vd1), образованный порами диаметром от 3,6 до 1000 нм, по меньшей мере 0,2 см3/г, силу сцепления такую, что содержание в нем частиц размером меньше 100 мкм, полученное под давлением воздуха 2 бара, составляет меньше 1,5 объемных %, предпочтительно равно 0,0%. Описан также способ получения композитного материала и его использование в качестве носителя жидкой среды, носителя катализатора, добавки или для фильтрования жидкости или газа, в частности, в сигаретных фильтрах. Изобретение обеспечивает высокие показатели снижения вредных компонентов в отфильтрованной среде. 6 н. и 28 з.п. ф-лы, 2 табл.

ВЫСОКОЭФФЕКТИВНЫЕ АДСОРБЕНТЫ НА ОСНОВЕ АКТИВИРОВАННОГО УГЛЯ С ВЫСОКОЙ ПОРИСТОСТЬЮ, ПРЕДСТАВЛЕННОЙ МЕЗО- И МАКРОПОРАМИ

Изобретение относится к высокоэффективным адсорбентам на основе активированного угля с высокой пористостью, представленной мезо- и макропорами, имеющим форму отдельных зерен активированного угля, где по меньшей мере, 55% общего объема пор высокоэффективных адсорбентов составляют поры (то есть, мезо- и макропоры) диаметром более 20 Å, при этом адсорбенты характеризуются мерой центра распределения диаметра пор более 25 Å, обладают удельной поверхностью, измеренной методом БЭТ, по меньшей мере, 1250 м2/г, йодным числом 1250-2100 мг/г, и получены из гранул сульфонированных поперечносшитых дивинилбезолом полистиролов путем карбонизации и двухстадийной активации. Изобретение позволяет получить адсорбенты, которые помимо указанных выше свойств имеют стойкость к абразивному износу и разрушению и пригодны для применения во множестве различных областей. 4 н. и 3 з.п. ф-лы, 2 ил., 1 табл.

АКТИВИРОВАННЫЙ УГОЛЬ, ИМПРЕГНИРОВАННЫЙ КИСЛОТОЙ, СПОСОБЫ ЕГО ПОЛУЧЕНИЯ И ПРИМЕНЕНИЯ

Предложен способ получения удобрения, содержащего матрицу из активированного угля, импрегнированного солью неорганической кислоты. Способ предусматривает смешивание минеральной кислоты с углеродсодержащим веществом без дополнительного нагревания с получением высокопористой матрицы из активированного угля, импрегнированного неорганической кислотой. Исходное углеродсодержащее вещество включает древесину, подвергнутый брожению или приготовленный в виде компоста навоз животных, торфяной мох, солому, муниципальные твердые отходы, содержащие навоз материалы подстилки для скота, скорлупу орехов, кокосовое волокно, угольный кокс или нефтяной кокс. После обработки минеральной кислотой производят превращения кислоты в матрице из активированного угля в соответствующую соль путем обработки активированной матрицы газообразным аммиаком. 2 н. и 4 з.п. ф-лы, 1 ил., 7 табл.

КРУПНОДИСПЕРСНЫЕ КРЕМНИЕВЫЕ КИСЛОТЫ В КАЧЕСТВЕ НОСИТЕЛЕЙ

Изобретение относится к новым гранулярным кремниевым кислотам для применения в качестве носителя катализаторов, к их получению и применению. Предложена гранулярная кремниевая кислота с определяемым ртутной порометрией объемом пор (менее 4 мкм) более 0,90 мл/г, значением dболее 400 мкм одновременно при значении dменее 3000 мкм и отношением значения dбез ультразвукового воздействия к значению dпосле 3-минутного ультразвукового воздействия менее 4,00, причем измерения проводят на фракции частиц размером от 400 до 500 мкм. Предложены также варианты способа получения указанной кислоты, ее применение, абсорбат на ее основе и способ его получения, а также использование полученного абсорбата. Технический результат - предложенные кислоты позволяют получать стойкие к механическим воздействиям носители катализаторов, вызывающие в реакторах с неподвижным слоем минимально возможную потерю давления проходящей через реактор реакционной смеси. 7 н. и 13 з.п. ф-лы, 2 табл., 7 пр.

УГЛЕРОДНЫЕ ТЕЛА И ФЕРРОМАГНИТНЫЕ УГЛЕРОДНЫЕ ТЕЛА

Изобретение касается области модифицированных углеродных изделий. Предложено ферромагнитное углеродное тело, содержащее частично графитизированный активированный уголь и металлические частицы ферромагнитного металла, выбранного из группы, состоящей из железа, никеля, кобальта и/или их сплавов и их комбинаций. Размер ферромагнитного тела составляет от 100 нм до 20 мм, вычисленная БЭТ-методом площадь его поверхности составляет от 300 до 1000 м/г, общий объем пор составляет от 0,1 до 0,6 мл/г, средний диаметр пор составляет от 3 до 8 нм. Ферромагнитное углеродное тело содержит 10-70% по весу графитизированного углерода. Предложен также способ получения и использования ферромагнитного тела. Изобретение обеспечивает получение частично графитизированного тела с усовершенствованными характеристиками, в котором количество и расположение графитизированного углерода может быть управляемым. 8 н. и 8 з.п. ф-лы, 17 ил., 6 табл., 6 пр.

НАНОРАЗМЕРНЫЙ ЭЛЕКТРОПОЛОЖИТЕЛЬНЫЙ ВОЛОКНИСТЫЙ АДСОРБЕНТ

Изобретение относится к нановолокнистому фильтрующему материалу. Предложен материал, состоящий из несферических частиц гидроксида алюминия, имеющий диаметр волокон менее 50 нм, полученный при взаимодействии исходного алюминиевого компонента с водным раствором при температуре до 100°С и нанесенный непосредственно на волокнистую поверхность. Изобретение обеспечивает высокую степень очистки текучих сред от патогенных микроорганизмов. 3 н. и 57 з.п. ф-лы, 9 ил., 8 табл.

НОВЫЕ ТВЕРДЫЕ МАТЕРИАЛЫ И СПОСОБ УДАЛЕНИЯ СОИЗ ПОТОКА ГАЗА

Изобретение касается способа и системы для удаления диоксида углерода из технологического газа, образующегося во время сгорания топлива, способа получения сорбента. Способ и система для удаления диоксида углерода из технологического газа, образующегося во время сгорания топлива, где упомянутая система содержит, по меньшей мере, один поглотительный резервуар, через который может проходить технологический газ, где упомянутый поглотительный резервуар снабжен сорбентом, который способен обратимо улавливать диоксид углерода из технологического газа, проходящего через сорбент, где упомянутый сорбент содержит, по меньшей мере, один амин, по меньшей мере, один катализатор активации диоксида углерода и, по меньшей мере, один пористый материал, несущий, по меньшей мере, один катализатор и, по меньшей мере, один амин, где пористый материал находится в виде слоя сорбента на подложке, образующей, по меньшей мере, часть из, по меньшей мере, одного канала, которая способна принимать, по меньшей мере, ...

СПОСОБ ПОЛУЧЕНИЯ ШАРИКОВ ОКСИДА АЛЮМИНИЯ ПУТЕМ ФОРМОВАНИЯ ВЫСОКОДИСПЕРГИРУЕМОГО ГЕЛЯ МЕТОДОМ СТЕКАНИЯ КАПЕЛЬ

Изобретение относится к получению шариков оксида алюминия, которые можно использовать в качестве подложки катализаторов. Способ описывает получение оксида алюминия в виде шариков, имеющих содержание серы от 0,001 до 1 вес.% и содержание натрия от 0,001 до 1 вес.% от полной массы указанных шариков. Причем шарики получены формованием, методом стекания капель алюмогеля, имеющего высокую диспергируемость. В свою очередь, алюмогель получен способом, использующим особое осаждение, позволяющим получить по меньшей мере 40 вес.% оксида алюминия от полного количества оксида алюминия, получаемого на выходе способа получения геля, уже на первом этапе осаждения, причем количество оксида алюминия, образуемого на выходе с первого этапа осаждения, может достигать 100%. Обеспечивается получение шариков оксида алюминия с более высокой удельной поверхностью по БЭТ. 3 н. и 11 з.п. ф-лы, 4 табл., 3 пр.

ЧАСТИЦЫ ОКСИДА ЦЕРИЯ И СПОСОБ ИХ ПОЛУЧЕНИЯ

Настоящее изобретение относится к частицам оксида церия, которые имеют превосходную термостойкость, в частности, пригодным для катализаторов, функциональной керамики, твердого электролита для топливных элементов, материала для шлифовки, поглотителей ультрафиолетового излучения, и тому подобное, и особенно пригодным для использования в качестве материала катализатора или сокатализатора, например, при катализе для очистки выхлопных газов транспортных средств. Настоящее изобретение также относится к способу получения таких частиц оксида церия, и к катализатору, например, для очистки выхлопных газов, с использованием таких частиц оксида церия. Способ получения частиц оксида церия включает по меньшей мере стадии подготовки раствора соли церия, содержащей анионы и катионы, где в пределах от 90 до 100% мольн. катионов церия представляют собой четырехвалентные катионы церия. Способ также включает нагревание раствора соли церия при температуре, заключенной в пределах от 60 до 220°C, с получением ...

КАРБОНАТ КАЛЬЦИЯ С ОБРАБОТАННОЙ ПОВЕРХНОСТЬЮ И ЕГО ПРИМЕНЕНИЕ ПРИ ОБРАБОТКЕ СТОЧНЫХ ВОД

Настоящее изобретение относится к способу очистки воды. Природный карбонат кальция с активированной поверхностью вводят в контакт с очищаемой водой. Используемый в способе природный карбонат кальция с активированной поверхностью является продуктом реакции природного карбоната кальция с кислотой и диоксидом углерода, образующимся in situ при кислотной обработке и/или поступающим из внешнего источника. Карбонат кальция приготовлен в виде водной суспензии с рН больше 6,0. К очищаемой воде также добавляют полимерный флокулянт после добавления природного карбоната кальция с активированной поверхностью. Технический результат - повышенная экономическая эффективность способа очистки и высокая эффективность удаления широкого спектра загрязняющих веществ из очищаемой воды. 3 н. и 28 з.п. ф-лы, 7 табл., 7 пр.

СПОСОБ ПОЛУЧЕНИЯ АККУМУЛИРУЮЩЕГО ОКСИДЫ СЕРЫ МАТЕРИАЛА

Изобретение относится к способу получения аккумулирующего оксиды серы материала, который содержит магнийалюминатную шпинель и может применяться для удаления оксидов серы из кислородсодержащих отходящих газов в промышленных процессах. Способ получения аккумулирующего оксиды серы материала ведут путем кальцинирования магнийалюминиевого гидроталькита с молярным отношением оксида магния к оксиду алюминия 1,1:1 - 10:1 при температуре 400 - 600oС в течение 1 - 10 ч. После кальцинирования аккумулирующий материал пропитывают, по меньшей мере, одним растворимым соединением-предшественником таких оксидов щелочноземельных металлов, как оксид кальция, оксид стронция и оксид бария, а затем повторно кальцинируют. Аккумулирующий материал дополнительно пропитывают, по меньшей мере, одним растворимым соединением-предшественником оксидов редкоземельных металлов и затем повторно кальцинируют. Аккумулирующий материал после кальцинирования пропитывают растворимым соединением-предшественником, по меньшей мере ...

ПОРИСТЫЕ УГЛЕРОДНЫЕ МАТЕРИАЛЫ, КУРИТЕЛЬНЫЕ ИЗДЕЛИЯ И ИХ ФИЛЬТРЫ, СОДЕРЖАЩИЕ ТАКИЕ МАТЕРИАЛЫ

Пористый углеродный материал предназначен для введения в дымоулавливающие фильтры для сигарет и имеет площадь поверхности по БЭТ по меньшей мере 800 м2/г и пористую структуру, которая содержит мезопоры и микропоры. Объем пор, измеренный по адсорбции азота, составляет по меньшей мере 0,9 см3/г, и от 15 до 65% объема пор приходится на мезопоры. Пористая структура материала обеспечивает объемную плотность в основном менее 0,5 г/см3. Материал может быть получен путем карбонизации и активации органических смол и может быть выполнен в виде шариков для простого обращения. Техническим результатом изобретения является создание пористого углеродного материала, особенно эффективного для сокращения одного или нескольких вредных компонентов табачного дыма. 5 н. и 38 з.п. ф-лы, 18 ил., 7 табл.

ВЫСОКОКОГЕЗИВНЫЙ КОМПОЗИТНЫЙ МАТЕРИАЛ, СПОСОБ ПОЛУЧЕНИЯ И ПРИМЕНЕНИЯ, В ОСОБЕННОСТИ В СИГАРЕТНЫХ ФИЛЬТРАХ

Изобретение относится к композитному материалу, который сформирован из полимера (P), являющегося ацетилцеллюлозой, и соединения (C), выбранного из осажденного диоксида кремния и смеси осажденного диоксида кремния и активированного угля, а также тем, что имеет: среднечисловой размер частиц по меньшей мере 150 мкм, объем пор (Vd1), сформированный порами диаметром 3,6-1000 нм, равный по меньшей мере 0,4 см/г, и показатель когезии CIN, равный отношению (среднечисловой размер частиц после воздействия давления воздуха 4 бар)/(среднечисловой размер частиц без воздействия давления воздуха (0 бар)), превышающий 0,40. Обеспечение фильтрации газа или жидкости. 4 н. и 25 з.п. ф-лы.

СПОСОБ УДАЛЕНИЯ НАРУШАЮЩИХ ЭНДОКРИННУЮ СИСТЕМУ ВЕЩЕСТВ

Настоящее изобретение относится к сорбционной очистке водных сред от органических соединений. Удаление нарушающих эндокринную систему веществ осуществляют путем добавления к водной среде добавления природного карбоната кальция с активированной поверхностью или его водной суспензии. Используют карбонат кальция с активированной поверхностью с рН больше 6,0, измеренным при 20°С. Карбонат кальция с активированной поверхностью представляет собой продукт реакции природного карбоната кальция с диоксидом углерода и одной или более кислотами, причем диоксид углерода формируется in situ или поступает из внешнего источника. Изобретение обеспечивает возможность использования дешевого природного адсорбента или его комбинации с активированным углем для очистки воды от нарушающих эндокринную систему веществ. 4 н. и 19 з.п. ф-лы, 5 ил.

АДСОРБЕНТ ДЕСУЛЬФУРИЗАТОР ДЛЯ ЖИДКИХ ФАЗ

Изобретение относится к агентам десульфуризации и их использованию. Описан агент десульфуризации для жидкофазной адсорбционной десульфуризации, содержащий оксид металла с нанесенными на него наночастицами золота, имеющими средний размер частиц 50 нм или меньше. Описан агент десульфуризации для жидкофазной адсорбционной десульфуризации, где описанный выше агент десульфуризации фиксируется на элементе носителя. Описан способ десульфуризации, включающий приведение описанного выше агента десульфуризации в контакт с жидкостью, содержащей органическое соединение, содержащее серу. Описан способ регенерации агента десульфуризации, включающий термическую обработку агента десульфуризации после осуществления десульфуризации для удаления органического соединения, содержащего серу, адсорбированного на агенте десульфуризации. Описан способ десульфуризации, включающий приведение агента десульфуризации, который подвергается обработке и регенерации с помощью описанного выше способа регенерации, в контакт ...

АДСОРБЕНТ МЕТИЛЙОДИДА, ЕГО ПРИМЕНЕНИЕ И СПОСОБ АДСОРБЦИИ МЕТИЛЙОДИДА

... 1. Адсорбент метилйодида, который содержит цеолит, содержащий по меньшей мере один металл, адсорбирующий йодид, или его соединение, причем цеолит представляет собой гидрофобный цеолит, выбранный из группы, состоящей из AFI, AEL, ВЕА, СНА, EUO, FER, KFI, LTL, MAZ, MOR, MTW, OFF и TON.2. Адсорбент по п. 1,в котором цеолит представляет собой по существу гидрофобный цеолит, и/илив котором металл, адсорбирующий йодид, представляет собой также металл, адсорбирующий йод.3. Адсорбент по п. 1,в котором цеолит является микропористым, и/илив котором металл, адсорбирующий йодид, выбран из серебра, иттрия, церия, магния, натрия, олова и свинца.4. Адсорбент по п. 1,в котором цеолит или адсорбент имеет долю микропор более 70%, предпочтительно более 80%, по отношению к общему объему пор цеолита или адсорбента, и/илив котором металл, адсорбирующий йодид, расположен в порах цеолита.5. Адсорбент по п. 1,в котором цеолит представляет собой алюмосиликат, и/илив котором цеолит имеет соотношение SiO/AlO>10, предпочтительно ...

СПОСОБ ОЧИСТКИ ВОДЫ

Изобретение может быть использовано в химической промышленности и водоочистке. Прореагировавший на поверхности содержащий карбонат кальция минеральный материал и/или прореагировавший на поверхности осажденный карбонат кальции покрывают по меньшей мере одним анионным полимером с плотностью общего отрицательного заряда в пределах от 1 мкэкв/г до 15000 мкэкв/г. Полученный содержащий карбонат кальция материал с поверхностным покрытием используют для очистки воды, обезвоживания осадков или взвешенных отложений. Заявленная группа изобретений обеспечивает повышение эффективности флокуляции, способствует обезвоживанию или фильтрации осадков или взвешенных отложений. 5 н. и 16 з.п. ф-лы, 3 табл., 7 пр.

НАФТАЛИНДИКАРБОКСИЛАТ АЛЮМИНИЯ В КАЧЕСТВЕ ПОРИСТОГО МЕТАЛЛОРГАНИЧЕСКОГО МАТЕРИАЛА СО СКЕЛЕТНОЙ СТРУКТУРОЙ

... 1. Пористый металлорганический материал со скелетной структурой, содержащий координационно связанное с ионом металла двузубчато-образное органическое соединение, причем ионом металла является AlIII, а двузубчатообразным органическим соединением является 2,6-нафталиндикарбоксилат, отличающийся тем, что рентгеновская дифрактограмма (XRD) материала со скелетной структурой имеет первый рефлекс в области 6,5°<2Θ<7,5°, а второй рефлекс - в области 13,8°<2Θ<15,0°, причем по отношению к площади всех рефлексов в области 2°<2Θ<70° площадь первого рефлекса является наибольшей, а площадь второго рефлекса является вдвое большей и при этом сумма площадей первого и второго рефлексов по отношению к общей площади всех рефлексов в области 2°<2Θ<70° составляет, по меньшей мере, 50%. ! 2. Материал со скелетной структурой по п.1, отличающийся тем, что первый рефлекс находится в области 6,7°<2Θ<7,3°, а второй рефлекс находится в области 13,9°<2Θ<14,8°. ! 3. Пористый металлорганический материал со скелетной структурой ...

АДСОРБЕНТ НИКОТИНА, АДСОРБЕНТ ХИНОЛИНА, АДСОРБЕНТ БЕНЗПИРЕНА, АДСОРБЕНТ ТОЛУИДИНА И АДСОРБЕНТ КАНЦЕРОГЕНА

... 1. Адсорбент никотина, включающий пористый углеродный материал, характеризующийся удельной площадью поверхности, равной 10 м/г и более, измеренной в соответствии с азотным методом БЭТ, и объемом пор, равным 0,2 см/г и более, измеренным в соответствии с методом BJH.2. Адсорбент хинолина, включающий пористый углеродный материал, характеризующийся удельной площадью поверхности, равной 10 м/г и более, измеренной в соответствии с азотным методом БЭТ, и объемом пор, равным 0,2 см/г и более, измеренным в соответствии с методом BJH.3. Адсорбент бензпирена, включающий пористый углеродный материал, характеризующийся удельной площадью поверхности, равной 10 м/г и более, измеренной в соответствии с азотным методом БЭТ, и объемом пор, равным 0,2 см/г и более, измеренным в соответствии с методом BJH.4. Адсорбент толуидина, включающий пористый углеродный материал, характеризующийся удельной площадью поверхности, равной 10 м/г и более, измеренной в соответствии с азотным методом БЭТ, и объемом пор, равным ...

АКТИВИРОВАННЫЙ УГОЛЬ, ИМПРЕГНИРОВАННЫЙ КИСЛОТОЙ, СПОСОБЫ ЕГО ПОЛУЧЕНИЯ И ПРИМЕНЕНИЯ

... 1.Способ получения удобрения, включающийстадии:(а) смешивания минеральной кислоты с углеродсодержащим веществом без дополнительного нагревания для получения высокопористой матрицы из активированного угля, импрегнированного неорганической кислотой,(б) превращения кислоты в матрице из активированного угля в соответствующую соль путем обработки активированной матрицы из активированного угля газообразным аммиаком.2. Способ по п.1, дополнительно включающий стадию просеивания матрицы из активированного угля для получения частиц с требуемым диапазоном размеров или гранулирования матрицы из активированного угля для получения частиц с требуемым диапазоном размеров.3. Способ по п.1 или 2, дополнительно включающий стадию вымывания соли минеральной кислоты из матрицы из активированного угля.4. Композиция удобрения, содержащая матрицу из активированного угля, импрегнированного солью неорганической кислоты, полученной путем обработки отработанной матрицы из активированного угля, импрегнированного минеральной ...

СПОСОБЫ ОТДЕЛЕНИЯ РТУТИ ОТ ТОПОЧНОГО ГАЗА

... 1. Способ уменьшения выбросов тяжелых металлов, включающий:сжигание содержащего тяжелые металлы топлива в камере сгорания;введение молекулярного галогена или одного или более предшественников галогена в камеру сгорания или в поток топочных газов, полученных в результате сжигания содержащего тяжелые металлы топлива; ивведение сорбента, у которого средний диаметр частиц составляет менее чем 15 мкм, в поток топочных газов, образующихся в результате сжигания содержащего тяжелые металлы топлива в камере сгорания;в котором галоген и адсорбирующий материал вводят при соотношении, составляющем от приблизительно 0,7 до приблизительно 5,7 моль галогена на фунт (1,542-12,555 моль/кг) адсорбирующего материала.2. Способ по п.1, в котором галоген и адсорбирующий материал вводят при соотношении, составляющем от приблизительно 0,8 до приблизительно 3,1 моль галогена на фунт адсорбирующего материала (1,762-6,828 моль/кг).3. Способ по п.1, в котором галоген и адсорбирующий материал вводят при соотношении ...

ВЫСОКОЭФФЕКТИВНЫЕ АДСОРБЕНТЫ НА ОСНОВЕ АКТИВИРОВАННОГО УГЛЯ С ВЫСОКОЙ ПОРИСТОСТЬЮ, ПРЕДСТАВЛЕННОЙ МЕЗО- И МАКРОПОРАМИ

... 1. Высокоэффективные адсорбенты на основе активированного угля в форме отдельных зерен активированного угля, в которых: ! по меньшей мере, 70% общего объема пор высокоэффективных адсорбентов составляют поры диаметром более 20 Å, ! высокоэффективные адсорбенты характеризуются мерой центра распределения диаметра пор (средним диаметром пор) более 25 Å, ! высокоэффективные адсорбенты обладают удельной поверхностью, измеренной методом БЭТ, по меньшей мере, 1250 м2/г, и ! высокоэффективные адсорбенты характеризуются йодным числом, по меньшей мере, 1250 мг/г. ! 2. Высокоэффективные адсорбенты на основе активированного угля по п.1, в которых удельная поверхность по БЭТ высокоэффективных адсорбентов соответствует диапазону от 1250 до 2800 м2/г. ! 3. Высокоэффективные адсорбенты на основе активированного угля по п.1, отличающиеся тем, что высокоэффективные адсорбенты характеризуются адсорбцией бутана в диапазоне от 30 до 80%. ! 4. Высокоэффективные адсорбенты на основе активированного угля по п.1 ...

КАРБОНАТ КАЛЬЦИЯ С ОБРАБОТАННОЙ ПОВЕРХНОСТЬЮ И ЕГО ПРИМЕНЕНИЕ ПРИ ОБРАБОТКЕ СТОЧНЫХ ВОД

... 1. Способ очистки воды, где природный карбонат кальция с активированной поверхностью приводят в контакт с очищаемой водой, где природный карбонат кальция с активированной поверхностью является продуктом реакции природного карбоната кальция с кислотой и диоксидом углерода, образованным in situ при кислотной обработке и/или поступающим из внешнего источника, и природный карбонат кальция с активированной поверхностью приготовлен в виде водной суспензии с pH больше 6,0, измеренным при 20°C. !2. Способ по п.1, где природный карбонат кальция с активированной поверхностью приготовлен в виде водной суспензии с pH больше 6,5, предпочтительно больше 7,0, наиболее предпочтительно 7,5, измеренный при 20°C. ! 3. Способ по п.1, где природный карбонат кальция выбран из мрамора, кальцита, мела, доломита, известняка или их смеси. ! 4. Способ по п.1, где pKa кислоты при 25°C составляет 2,5 или меньше. ! 5. Способ по п.4, где pKa кислоты при 25°C составляет 0 или меньше. ! 6. Способ по п.5, где кислота представляет ...

Einheit mit porösen organischen Polymeren II

Einheit, umfassend eine Mehrzahl von Partikeln auf Basis von porösen organischen Polymeren, wobei die organischen Polymere durch Kreuzkupplung, insbesondere Suzuki-Kupplung, von Arylboronsäuren mit Halogenaromaten erhältlich sind.

Chromatographie, die Siliziumdioxyd basierende Adsorbentien verwendet.

ADSORBENSZUSAMMENSETZUNG

Adsorptionsfiltermaterial und seine Verwendung

Beschrieben ist ein gas- und wasserdampfdurchlässiges Adsorptionsfiltermaterial mit Schutzfunktion gegenüber biologischen und chemischen Schadstoffen und Giften, insbesondere biologischen und chemischen Kampfstoffen, wobei das Adsorptionsfiltermaterial einen mehrschichtigen Schichtaufbau mit einer ersten, insbesondere flächigen Trägerschicht und einer zweiten, insbesondere flächigen Trägerschicht sowie einer zwischen der ersten Trägerschicht und der zweiten Trägerschicht angeordneten Adsorptionsschicht aufweist, wobei die Adsorptionsschicht ein Aktivkohlefaserflächengebilde umfaßt, das mit der ersten Trägerschicht und der zweiten Trägerschicht mittels eines Klebstoffs dauerhaft verklebt ist, wobei die Verklebung des Aktivkohlefaserflächengebildes mit der ersten Trägerschicht und der zweiten Trägerschicht jeweils durch einen diskontinuierlichen Klebstoffauftrag in Form von nichtzusammenhängenden Kleberpunkten erfolgt. Das Adsorptionsfiltermaterial eignet sich insbesondere zur Herstellung ...

SUBMIKRON FILTER

POROUS INORGANIC SUPPORT MATERIALS

... 1432713 Porous inorganic support materials CORNING GLASS WORKS 3 July 1974 [9 July 1973] 29456/74 Headings C1A C1M and C1N [Also in Division C3] A porous, substantially water-insoluble inorganic support material of specific surface area at least 5 m.2/g. consists of at least one metal oxide and has surface imino groups The porous material may be glass, zirconiacoated glass, alumina or titania, and the specific surface area is preferably at least 50 m.2/g. The porous material preferably has an average pore diameter of 200-1000 Š and a particle size of 20-80 mesh (U.S. Standard Sieve). The material having surface imino groups is made by reacting a porous, substantially waterinsoluble inorganic material of specific surface area at least 5 m.2/g., consisting of at least one metal oxide and having surface hydroxyl or oxide groups, with an aqueous solution of cyanogen bromide at pH 9-12. The reaction is preferably conducted at 0- 25‹ C. for at least 5 minutes, the pH ...

A method of manufacturing an oxygen absorbent molding

Adsorbent materials

Gas adsorbent materials comprise a substrate and carbonaceous material bonded to the substrate with a substantial portion of the surfaces of the substrate being substantially free of bonding agent which is printed as a discontinuous layer. The carbonaceous material may be granular.

Column for adsorption of blood proteins

A column for adsorption of blood proteins is disclosed which comprises a blood inlet and a blood outlet each with a filter, and a porous material packed between both the filters, which material has a mean pore diameter (D) of 30-3,000 angstroms with the volume occupied by pores with diameters of 0.8 D-1.2 D being at least 80% of the whole pore volume. The adsorption column can eliminate specific blood proteins by selective adsorption and is useful in the treatment of autoimmune diseases and cancer, for instance.

Method for preparing activated charcoal

The invention provides a method for preparing activated charcoal from a precursor material comprising high mineral content plant or algal material by heating the precursor material under suitable conditions sufficient to produce activated charcoal therefrom. The precursor may be woody (e.g. Eucalyptus) or non-woody plant material. The heating can take place at 300 up to 900 degrees C. The invention also provides various applications of the activated charcoal per se.

SEPARATION OF D-AMINOACID OXIDASE

... 1478423 Silica carrying carboxyphenyl alkylamino residues RHONE-POULENC INDUSTRIES 18 April 1975 [22 April 1974] 16119/75 Heading ClA [Also in Division C3] Enzymes are separated from protein solutions containing them by adsorption on a column of siliceous mineral carrier bearing haloalkylsilane grafts modified by replacement of the halo with residues of formula-NH-(CH 2 ) 3 -NH(CH 2 ) 2 -C 6 - H 4 -COOH. In an example a SiO 2 hydroxyl is reacted with triethyoxyiodopropylsilane in benzene and the product is further reacted with a benzene solution containing H 2 N- (CH 2 ) 3 -NH-(CH 2 ) 2 -C 6 H 4 COOC 2 H 5 before hydrodrying the resultant ester with 4N HCl.

REMOVAL OF MERCURY FROM GASES AND LIQUIDS

... 1533059 Removing mercury from a gas INSTITUT FRANCAIS DU PETROLE 17 Dec 1976 [18 Dec 1975 23 Jan 1976] 52799/76 Heading B1L [Also in Division C1] Mercury is removed from a gas by bringing the gas into contact with an absorbent bed of a) solid dispersant or support selected from silica, alumina, silica-alumina, silicates, aluminates and silico-aluminates, and b) copper in the sulphide state.

Particles embedded in a porous substrate for removing target analyte from a sample

A PROCESS AND APPARATUS FOR PURIFICATION OF WATER

Particles embedded in a porous substrate for removing target analyte from a sample

COMPOSITE ADSORBENT MATERIAL

A PROCESS AND APPARATUS FOR PURIFICATION OF WATER

Composite absorbent material

Composite absorbent material

Composite absorbent material

Particles embedded in a porous substrate for removing target analyte from a sample

A PROCESS AND APPARATUS FOR PURIFICATION OF WATER

PROCEDURE FOR THE PRODUCTION OF A SEPARATION MATERIAL FOR THE DUENNSCHICHTCHROMATOGRAPHIE

FILTER AND FILTER MATERIALS TO THE DISTANCE OF MICROORGANISMS AND PROCEDURE FOR YOUR USE

FILTER FOR THE SEPARATION OF GASEOUS OR LIQUID COMPONENTS FROM FLUIDS AND PROCEDURES FOR ITS PRODUCTION

PROCEDURE FOR TREATING A KLEIDUNGSTÜCKES USING A FILTER WITH INTEGRATED FLUID DONOR

CLEANING OF BIODIESEL WITH ADSORBENTS

BALL ACTIVATED CHARCOAL

TREATMENT MEANS FOR METAL HYDRIDES CONTAINING EXHAUST GAS, PROCEDURE FOR ITS PRODUCTION, AS WELL AS PROCEDURE FOR THE TREATMENT THE MEANS MENTIONED BY METAL HYDRIDES CONTAINING EXHAUST GAS WITH

SURFACE-CHANGED DIVINYLBENZENHARZ WITH HÄMOKOMPATIBLER COATING

POLYMERE CARRIER WITH VOID STRUCTURES

PRODUCTION OF ACTIVATED CHARCOAL

AMORPHOUS MATERIAL WITH HIERARCHISIERTER POROSITY AND WITH SILICON

ALUMINUM NAPHTHALINDICARBOXYLAT AS POROUS METAL-ORGANIC STAND MATERIAL

PROCEDURE FOR THE REMOVAL OF IN ORGANIC WASTE WATER OR EXHAUST GASES ABSTENTION OXYGEN-CONTAINING ONE ORGANIC MOLECULES USING ALUMINA AGGLOMERATES

PROCEDURE FOR THE SEPARATION OF PROTEINS FROM LIQUID MEDIA

PROCEDURE FOR THE PRODUCTION OF A SEPARATION MATERIAL FOR THE DUENNSCHICHTCHROMATOGRAPHIE

ADSORPTION ELEMENT AND - PROCEDURES

ADSORPTION FILTER WITH HIGH AIR PERMEABILITY.

SELECTIVE ONE, THE PORENGRÖSSE CONCERNING CHEMICAL MODIFICATION OF POROUS MATERIALS

THERMAL DIAPHRAGM PROCEDURE AND - DEVICE

ADSORBTIONSMITTEL FOR NITROGEN OXIDES

ZIRCONIUM OXIDE PARTICLE

METHOD AND POROUS CARRIER FOR THE DISTANCE OF IMPURITIES

ADSORBENTZUSAMMENSTELLUNG

ADSORBENTIEN HIGH ONES OF SPECIFIC SURFACE AND PROCEDURE FOR THEIR PRODUCTION

Trapping mass consisting of an active phase in crystalline form

A trapping mass for trapping heavy metals, in particular mercury, contained in a gas or liquid feedstock, said mass comprising: - an active phase in the form of a crystalline phase, said active phase comprising at least one metal sulfide made from a metal M chosen from the group consisting of copper (Cu), chromium (Cr), manganese (Mn), iron (Fe), cobalt (Co), and nickel (Ni); - an amorphous support comprising a material made from aluminium.

Fluorescent porous organic nanosheets for chemical sensing

Disclosed herein is a porous polymeric material having a repeating unit according to Formula (I) or (IV), wherein each of A and E has a ττ-conjugated system and each of X and G contain a flexible tetraphenylethylene (TPE) group. Also disclosed herein are fluorescent chemical sensors or biosensors or environmental monitoring assay or nanosheets or a composite material comprising the polymer, and a method of detecting a volatile organic chemical or a metal ion in solution phase.

Method and a composite for mercury capture from fluid streams

Halide scavengers for high temperature applications

Adsorption container and iron oxide adsorber

HIGH SURFACE AREA, HIGH POROSITY SILICA PACKING WITH NARROW PARTICLE AND PORE DIAMETER DISTRIBUTION AND METHODS OF MAKING SAME

Temperature swing adsorption process for the separation of target species from a gas mixture

A temperature swing adsorption process for the removal of a target species, such as an acid gas, from a gas mixture, such as a natural gas stream. Herein, a novel multi-step temperature swing/pressure swing adsorption is utilized to operate while maintaining very high purity levels of contaminant removal from a produc t stream. The present process is particularly effective and beneficial in removing contaminants such as C0 ...

Gas purification process utilizing engineered small particle adsorbents

A gas separation process uses a structured particulate bed of adsorbent coated shapes/particles laid down in the bed in an ordered manner to simulate a monolith by providing longitudinally extensive gas passages by which the gas mixture to be separated can access the adsorbent material along the length of the particles. The particles can be laid down either directly in the bed or in locally structured packages/bundles which themselves are similarly oriented such that the bed particles behave similarly to a monolith but without at least some disadvantages. The adsorbent particles can be formed with a solid, non-porous core with the adsorbent formed as a thin, adherent coating on the exposed exterior surface. Particles may be formed as cylinders/hollow shapes to provide ready access to the adsorbent. The separation may be operated as a kinetic or equilibrium controlled process.

Pressure-temperature swing adsorption process

A pressure-temperature swing adsorption process for the removal of a target species, such as an acid gas, from a gas mixture, such as a natural gas stream. Herein, a novel multi-step temperature swing/pressure swing adsorption is utilized to operate while maintaining very high purity levels of contaminant removal from a product stream. The present process is particularly effective and beneficial in removing contaminants such as CO ...

Method for separating acid gases using metal-organic frameworks impregnated with amines

The present invention relates to a method for separating at least one acid gas from a gas mixture, containing the step of bringing the gas mixture into contact with a porous metal-organic framework, the framework adsorbing the at least one acid gas, and the framework containing at least one at least bidentate organic compound coordinatively bonded to at least one metal ion, characterized in that the porous metal-organic framework is impregnated with an amine suitable for gas scrubbing. The invention further relates to such impregnated metal-organic frameworks.

Particles embedded in a porous substrate for removing target analyte from a sample

DEVICES AND METHODS FOR REMOVING TARGET AGENTS FROM The invention provides devices, test kits and methods for removing target agents from a sample. The device contains one or more porous matrices having pore sizes larger than 10 pm, and a plurality of particles impregnated therein. The target agents attach the device and are removed from the sample.

REACTIVE-ADSORPTIVE PROTECTIVE MATERIALS AND METHODS FOR USE

Method and composition for water purification and sludge dewatering

The invention relates to a method for purifying water and for dewatering sludge, comprising the following steps: bringing a surface-treated natural calcium carbonate, a natural bentonite and an anionic polymer into contact with the water or sludge, flakes being formed as a result of the agglomeration of particulate materials contained in said water or sludge, and separating said formed flakes so as to obtain purified water, or separating water in order to obtain dewatered sludge. The surface-treated natural calcium carbonate is a product of a reaction of natural calcium carbonate with an acid and carbon dioxide, which is formed ...

Zeolite adsorbents having a high external surface area and uses thereof

The present invention concerns the use, for gas separation, of at least one zeolite adsorbent material comprising at least one FAU zeolite, said adsorbent having an external surface area greater than 20 m ...

Flow devices for the reduction of compounds from biological compositions and methods of use

Rigid porous carbon structures, methods of making, methods of using and products containing same

Recovery of organic solutes from aqueous solutions

Porous pellet adsorbents fabricated from nanocrystals

IMPROVED FILTERING MEDIUM AND USE OF THE SAID FILTERING MEDIUM FOR POLLUTION REMOVAL FROM LAGOONS

Filtering medium based on activated carbon which is characterized in that it comprises three superposed layers, respectively an inner layer and two outer layers, the inner layer consisting of 80 to 95% by dry weight of activated carbon, the balance for 100% consisting of organic and/or inorganic chemical fibres, the first outer layer comprisingfrom 45 to 95% by dry weight of organic and/or inorganic chemical fibres, the balance for 100% consisting of activated carbon and/or of a material having a density of less than 0.9, the second outer layer comprising from 5 to 25% by dry weight of activated carbon, the balance for 100% consisting of organic and/or inorganic chemical fibres, and in that the weight of the inner layer is between 40 and 200 g/m2 and the weight of the outer layers is between 10 and 100 g/m2.

METHOD FOR ELIMINATING OXYGENATED ORGANIC MOLECULES THAT ARE PRESENT IN AN ORGANIC EFFLUENT USING ALUMINA AGGLOMERATES

Procédé d'élimination des molécules oxygénées organiques, telles que les alcools et acides organiques, présentes dans un effluent organique liquide ou gazeux, caractérisé en ce qu'on réalise cette élimination par adsorption sur des agglomérés d'alumine tels que : - leur surface spécifique est supérieure ou égale à 10 m /g, préférentiellement à 30 m /g - ils renferment optionnellement un ou des composés dopants de métaux alcalins, de métaux alcalino-terreux et de terres rares avec une teneur massique totale inférieure ou égale à 50%, préférentiellement à 25%, très préférentiellement comprise entre 5000 ppm et 20%, encore plus préférentiellement comprise entre 5000 ppm et 12% ; - si leur teneur en composés dopants est supérieure ou égale à 5000 ppm, leur volume poreux total est supérieur ou égal à 30 ml/100g, très préférentiellement à 35 ml/100g, et leur V70.ANG. est supérieur ou égal à 10ml/100g, préférentiellement supérieur ou égal à 15ml/100g, très préférentiellement supérieur ou égal ...

SURFACE-REACTED CALCIUM CARBONATE IN COMBINATION WITH HYDROPHOBIC ADSORBENT FOR WATER TREATMENT

The present invention relates to a process for reducing the amount of organic components in water, wherein a surface-reacted naturalcalcium carbonate and a hydrophobic adsorbent, selected from the group consisting of talc, hydrophobised calcium carbonate, hydrophobised bentonite, hydrophobised kaolinite, hydrophobised glass, or any mixture thereof, are brought into contact with the water to be purified, the surface-reacted natural calcium carbonate being the reaction product of a naturalcalcium carbonate with an acid and carbon dioxide, which is formed in situ by the acid treatment and/or supplied externally, and the surface-reacted natural calcium carbonate being prepared as an aqueous suspension having a pH of greater than 6.0, measured at 20°C.

SEPARATING MATERIALS FOR THIN LAYER CHROMATOGRAPHY AND THEIR PREPARATION

Thin layer chromatographic plates in which the sorbent layer thereon is modified by reaction without exclusion of moisture with a silanizing agent can be produced inexpensively and can be used to obtain results which can be applied to high pressure liquid chromatography.

HIGH SPEED LIQUID CHROMATOGRAPHIC PACKING AND PROCESS FOR PRODUCTION THEREOF

A granular crosslinked copolymer suitable as a high speed liquid chromatographic packing and especially as a gel permeation chromatographic packing is disclosed. In a preferred embodiment of the invention the packing is a copolymer essentially consisting of (I) units of at least one vinyl alcohol, (II) units of at least one vinyl ester of a carboxylic acid and (III) units of at least one crosslinking monomer having an isocyanurate ring, the ratio of the units (I) to the units (II) in the copolymer being within the range satisfying the following equation: about 0.4 about 0.8 wherein a and b are molar ratios of the units (I) and (II), respectively, in the total units (I), (II) and (III) of the copolymer, and a process for preparing the same by suspension polymerization is disclosed.

PROCESS TO PREPARE ADSORBENTS FROM ORGANIC FERTILIZER AND THEIR APPLICATIONS FOR REMOVAL OF ACIDIC GASES FROM WET AIR STREAMS

The invention is directed to an adsorbent comprising: a) 20-30% porous carbon with incorporated organic nitrogen species; and b) 70-80% inorganic matter. The invention is directed to a method of making an adsorbent which comprises: a) thermally drying dewatered sewage sludge to form granulated organic fertilizer; and b) pyrolyzing said the organic fertilizer at temperatures between 600 and 1000 ~ C. The invention is additionally directed to the process of removing acidic gases from wet air streams comprising putting an adsorbent in contact with the wet air stream and allowing the adsorbent to adsorb the acidic gases.

MATERIAL FOR CHROMATOGRAPHY AND METHOD FOR MANUFACTURING THE MATERIAL

Granulated products are provided and include carbonaceous particles and a carbonized agent or binder. The agent or binder is preferably a synthetic resin, pitch component, or mixture thereof Packing materials for packing colunms used in chromatographic separations are also provided as are methods of chromatographic separation using the materials. In addition, methods are provided to provide a variety of different types of carbonaceous products. A variety of chemical groups can be, prior to heat-treatment and/or thereafter, attached to the granules to form modified granules.

SURFACE MODIFIED DIVINYLBENZENE RESIN HAVING A HEMOCOMPATIBLE COATING

... ▓▓▓A polymeric resin is disclosed in the form of beads or particles having a ▓coating thereon which renders the resin blood compatible. The resin comprises ▓divinylbenzene monomer which has a porosity, pore size, and surface area ▓suitable for absorption of unhealthy components of blood, such as .beta.-2-▓microglobulin.▓ ...

DOPED ABSORBENT MATERIALS WITH ENHANCED ACTIVITY

A method is disclosed for increasing the activity of doped inorganic adsorbent materials in the adsorption of selected solute species from a gasphase or from a fluidphase. The method consists in selecting the type, or the amount, or the molecular dimensions of the dopant or dopants, or also in tailoring the pore structure of the doped inorganic adsorbent material through doping. Doped inorganic adsorbent materials produced with said method, and showing enhanced activity towards selected solute species, are also disclosed. The improved doped inorganic adsorbent materials are suitable in a number of different fields where adsorption of one or more selected solute species from a free fluid phase is needed.

METHOD OF MAKING COLLOIDAL SUSPENSIONS OF METAL ORGANIC FRAMEWORKS IN POLYMERIC SOLUTIONS AND USES THEREOF

A method for making a metal organic framework suspension is described herein. The method includes providing a hybrid material comprising a nano-crystalline metal organic framework comprising micropores and a mesoporous polymeric material comprising mesopores, wherein the nano-crystalline metal organic framework is homogeneously dispersed and substantially present only within the mesopores or void spaces of the mesoporous polymeric material; and wherein the hybrid material has a weight percentage of the metal organic framework in the range of 5-50% relative to the total weight of the hybrid material. The method includes contacting the hybrid material with a solvent in which the mesoporous polymeric material is soluble, thereby forming a polymeric solution in which the nano-crystalline metal organic framework is substantially homogeneously dispersed and suspended.

PELLETIZED ACTIVATED CARBON AND METHODS OF PRODUCTION

Activated carbon for removal of sulfur containing materials from fluids. The activated carbon has a high sulfur capacity and can be manufactured without the addition of a catalyst. Lignite is treated to provide an activated carbon with a high mesoporosity and total surface area. The starting material has a high ash content, such as greater than 10% by weight.

Adsorptive structures and the use thereof

The invention relates to adsorptive structures based on agglomerates of adsorber particles, each comprising a plurality of granular, preferably speherical adsorber particles, and to the production of said agglomerates, and to the use thereof. The adsorber particles of the individual agglomerates are each connected to each other by means of a preferably thermoplastic organic polymer, particularly a binder material, or the adsorber paraticles of the individual agglomerates are bonded to and/or made to adhere to a preferably thermoplastic organic polymer, particularly a hinder material.

Nicotine adsorbent, quinoline adsorbent, benzopyrene adsorbent, toluidine adsorbent, and carcinogen adsorbent

A nicotine adsorbent includes a porous carbon material having a specific surface area of 10 m 2 /g or more according to the nitrogen BET method and a pore volume of 0.2 cm 3 /g or more according to the BJH method.

Acid-impregnated activated carbon and methods of forming and using the same

An acid-impregnated activated carbon matrix is formed from a carbonaceous material by the addition of a mineral acid, and may be used to chemisorb ammonia from a gas stream. The ammonia reacts with the acid to form a fertilizer salt. The spent matrix may be used as a fertilizer, or the fertilizer salt may be elutriated from the matrix.

Swing Adsorption Processes Utilizing Controlled Adsorption Fronts

A process for reducing the loss of valuable products by improving the overall recovery of a contaminant gas component in swing adsorption processes. The present invention utilizes at least two adsorption beds, in series, with separately controlled cycles to control the adsorption front and optionally to maximize the overall capacity of a swing adsorption process and to improve overall recovery a contaminant gas component from a feed gas mixture.

Pressure-Temperature Swing Adsorption Process for the Separation of Heavy Hydrocarbons from Natural Gas Streams

The present invention relates to a pressure-temperature swing adsorption process wherein gaseous components that have been adsorbed can be recovered from the adsorbent bed at elevated pressures. In particular, the present invention relates to a pressure-temperature swing adsorption process for the separation of C 2+ hydrocarbons (hydrocarbons with at least 2 carbon atoms) from natural gas streams to obtain a high purity methane product stream. In more preferred embodiments of the present processes, the processes may be used to obtain multiple, high purity hydrocarbon product streams from natural gas stream feeds resulting in a chromatographic-like fractionation with recovery of high purity individual gaseous component streams.

Gas Purification Process Utilizing Engineered Small Particle Adsorbents

A gas separation process uses a structured particulate bed of adsorbent coated shapes/particles laid down in the bed in an ordered manner to simulate a monolith by providing longitudinally extensive gas passages by which the gas mixture to be separated can access the adsorbent material along the length of the particles. The particles can be laid down either directly in the bed or in locally structured packages/bundles which themselves are similarly oriented such that the bed particles behave similarly to a monolith but without at least some disadvantages. The adsorbent particles can be formed with a solid, non-porous core with the adsorbent formed as a thin, adherent coating on the exposed exterior surface. Particles may be formed as cylinders/hollow shapes to provide ready access to the adsorbent. The separation may be operated as a kinetic or equilibrium controlled process.

Systems and methods for gas treatment

A system and process for the recovery of at least one halogenated hydrocarbon from a gas stream. The recovery includes adsorption by exposing the gas stream to an adsorbent with a lattice structure having pore diameters with an average pore opening of between about 5 and about 50 angstroms. The adsorbent is then regenerated by exposing the adsorbent to a purge gas under conditions which efficiently desorb the at least one adsorbed halogenated hydrocarbon from the adsorbent. The at least one halogenated hydrocarbon (and impurities or reaction products) can be condensed from the purge gas and subjected to fractional distillation to provide a recovered halogenated hydrocarbon.

Sorbent formulation for removal of mercury from flue gas

Methods and systems for reducing mercury emissions from fluid streams having a high concentration of sulfur oxide species are provided herein. In embodiments, mercury is removed from flue gas streams by injecting a dry admixture of a porous mercury adsorptive material and at least one dry agent into the flue gas stream.

Hydrogen storing carbon material

Provided is a hydrogen-storing carbon material with improved hydrogen storage capacity. The hydrogen-storing carbon material has a total pore volume of 0.5 cm 3 /g or more, and a ratio of a total mesoporous volume to a total microporous volume per unit weight of 5 or more. In addition, the hydrogen-storing carbon material may have a nitrogen content of 0.5 wt % or more and less than 20 wt %. In addition, the hydrogen-storing carbon material may have a stable potential of −1.28 V or more when a cathode current with respect to the hydrogen-storing carbon material is held at 1,000 mA/g in electrochemical measurement by chronopotentiometry involving using the hydrogen-storing carbon material in a working electrode in a three-electrode method.

Zn5(BTA)6(TDA)2 - A ROBUST HIGHLY INTERPENETRATED METAL-ORGANIC FRAMEWORK CONSTRUCTED FROM PENTANUCLEAR CLUSTERS FOR SELECTIVE SORPTION OF GAS MOLECULES

Disclosed herein are highly interpenetrated robust metal-organic frameworks having the repeat unit Zn 5 (BTA) 6 (TDA) 2 , useful for applications such as selective gas storage, selective gas sorption and/or separation, and gas detection.

PRECIPITATED SILICA SORBENTS

The present invention is directed to a separation medium comprising rotary dried or spray dried precipitated silica. The silica has a pore surface area P wherein logP>2.2, and the ratio of BET to CTAB is at least 1.0 measured prior to any surface modification of the silica. 1. A separation medium comprising rotary dried or spray dried precipitated silica , said silica having a pore surface area P wherein logP>2.2 , and wherein the ratio of BET to CTAB is at least 1.0 measured prior to any surface modification of the silica.2. The separation medium of wherein the silica has a particle size distribution wherein more than 90 percent of the silica particles have a particle diameter equal to the average particle diameter.3. The separation medium of wherein the silica demonstrates a BET of 20 to 900 m/g.4. The separation medium of wherein the silica demonstrates a BET of 125 to 700 m/g.5. The separation medium of wherein the silica demonstrates a BET of 190 to 350 m/g.6. The separation medium of wherein the silica demonstrates a BET of 351 to 700 m/g.7. The separation medium of wherein the silica demonstrates a CTAB of 20 to 700 m/g.8. The separation medium of wherein the silica demonstrates a CTAB of 120 to 500 m/g.9. The separation wherein the silica demonstrates a CTAB of 170 to 280 m/g.10. The separation medium of wherein the silica demonstrates a CTAB of 281 to 500 m/g.11. The separation medium of wherein the ratio of BET to CTAB is at least 1.1.12. The separation medium of wherein the ratio of BET to CTAB is 1.0-1.5.13. The separation medium of wherein the ratio of BET to CTAB is 1.5-4.0.14. The separation medium of claim 1 , wherein the silica has been surface treated with an anti-fouling moiety selected from polyethylene glycol claim 1 , carboxybetaine claim 1 , sulfobetaine and polymers thereof claim 1 , mixed valence molecules claim 1 , oligomers and polymers thereof and all blends of said species.15. The separation medium of claim 1 , wherein the silica ...

Gas phase air filtration

An adsorbent medium for removing gaseous contaminants from air comprises a porous self-supporting filter element produced by sintering particles of polyethylene having a molecular weight greater than 400,000 g/mol as determined by ASTM-D 4020 and an adsorbent. In one embodiment, the filter element comprises a body perforated by a plurality of holes extending in the direction of fluid flow in use and having a diameter of less than 10 mm. In another embodiment, the filter element comprises a panel wherein at least the surface of the panel presented, in use, to the incoming air comprises a plurality of projections. In a further embodiment, the filter element comprises a fibrous web having particles of the adsorbent secured to the web by the sintered polyethylene.

Composite adsorbent material

The invention relates to composite adsorbent materials, and in particular, to highly porous carbon-based composite materials for the adsorption and stabilisation of inorganic substances. The composite adsorbent material comprises a porous carbon carrier matrix and an adsorbent species, wherein the adsorbent species is precipitated within the pores of the carrier matrix. The invention extends to various uses of such adsorbent materials, for example in water purification, recovery of metals from waste streams and remediation applications, and where the adsorbant material is amended into soil, waste etc. for the purpose of breaking pollutant-receptor linkages.

Porous materials for solid phase extraction and chromatography and processes for preparation and use thereof

The invention provides novel porous materials that are useful in chromatographic processes, e.g., solid phase extraction, and that provide a number of advantages. Such advantages include superior wetting characteristics, selective capture of analytes of interest, and non-retention of interfering analytes. The invention advantageously provides novel porous materials having a large percentage of larger pores (i.e. wide pores). The invention advantageously provides novel porous materials that overcome the problems of SPE of biological samples.

Microcrystalline cellulose pyrolyzate adsorbent and gas supply packages comprising same

A cellulosic carbon pyrolyzate material is disclosed, having utility as a gas adsorbent for use in gas storage and delivery devices, gas filters, gas purifiers and other applications. The cellulosic carbon pyrolyzate material comprises microporous carbon derived from cellulose precursor material, e.g., microcrystalline cellulose. In adsorbent applications, the cellulosic carbon pyrolyzate may for example be produced in a particulate form or a monolithic form, having high density and high pore volume to maximize gas storage and delivery, with the pore size distribution of the carbon pyrolyzate adsorbent being tunable via activation conditions to optimize storage capacity and delivery for specific gases of interest. The adsorbent composition may include other non-cellulosic pyrolyzate components.

Water purification compositions of magnesium oxide and applications thereof

The present disclosure provides a composition for purifying water comprising a magnesium oxide component and a binder. The magnesium oxide component includes magnesium oxide, a pH regulator, and an additional water purifying material. The binder can be an organic polymer, an inorganic binder, or a combination of both.

Rare earth metal compounds, methods of making, and methods of using the same

Rare earth metal compounds, particularly lanthanum, cerium, and yttrium, are formed as porous particles and are effective in binding metals, metal ions, and phosphate. A method of making the particles and a method of using the particles is disclosed. The particles may be used in the gastrointestinal tract or the bloodstream to remove phosphate or to treat hyperphosphatemia in mammals. The particles may also be used to remove metals from fluids such as water.

POROUS MATERIALS FOR SOLID PHASE EXTRACTION AND CHROMATOGRAPHY AND PROCESSES FOR PREPARATION AND USE THEREOF

The present invention provides porous materials for use in solid phase extractions and chromatography. In particular, the materials exhibit superior properties in the SPE analysis of biological materials. In certain aspects, the materials feature at least one hydrophobic component, at least one hydrophilic component and a average pore diameter of about 100 Å to about 1000 Å. In certain embodiments the materials also exhibit a nitrogen content from about 1% N to about 20% N. In certain embodiments, the materials feature at least one hydrophobic component, at least one hydrophilic component wherein more than 10% of the BJH surface area of the porous material is contributed by pores that have a diameter greater than or equal to 200 Å. 1. A porous material comprising a copolymer of a least one hydrophobic monomer and at least one hydrophilic monomer , wherein more than 10% of the BJH surface area of the porous material is contributed by pores that have a diameter greater than or equal to 200 Å225-. (canceled)26. A porous material comprising a copolymer of at least one hydrophobic monomer and at least one hydrophilic monomer , wherein said material has a median pore diameter of about 100 Å to about 1000 Å.2743-. (canceled)45102-. (canceled) This application is a continuation of U.S. application Ser. No. 14/114,440, filed Dec. 12, 2013, which is a 371 of U.S. National Phase Application of PCT/US2012/038501, filed May 18, 2012, which claims the benefit of U.S. Provisional Application Ser. No. 61/488,561, filed May 20, 2011, the entire disclosures of which are incorporated herein by this reference.Solid phase extraction (SPE) is a chromatographic technique that is widely used, e.g., for preconcentration and cleanup of analytical samples, for purification of various chemicals, and for removal of toxic or valuable substances from aqueous solutions. SPE is usually performed using a column or cartridge containing an appropriate material or sorbent. SPE procedures have been ...

ZEOLITE ADSORBENTS HAVING A HIGH EXTERNAL SURFACE AREA AND USES THEREOF

The present invention concerns the use, for gas separation and/or gas drying, of at least one zeolite adsorbent material comprising at least one type A zeolite, said adsorbent having an external surface area greater than 20 m.g, a non-zeolite phase (PNZ) content such that O Подробнее

UREA SEQUESTRATION COMPOSITIONS AND METHODS

Graphene-based materials for sequestering urea from aqueous solutions are provided. The graphene-based materials include graphene aggregates as well as graphene oxides. 1. A method comprising:contacting a fluid comprising urea with a mass of graphene-based material particles;sorbing at least a portion of the urea into or onto the graphene-based material particles to produce a graphene-based material/urea complex; andreducing the level of urea in the fluid wherein the amount of urea in the graphene-based material/urea complex is greater than 25 mg urea per gram of graphene-based material.2. The method of wherein the fluid is selected from at least one of an aqueous fluid claim 1 , water claim 1 , whole blood claim 1 , blood plasma claim 1 , processed blood claim 1 , preserved blood claim 1 , serum claim 1 , plasma claim 1 , clotted blood claim 1 , anti-clotted blood claim 1 , centrifuged blood claim 1 , hematocrit claim 1 , biological filtrate claim 1 , ultrafiltrate claim 1 , dialysate claim 1 , extracellular fluids claim 1 , intracellular fluids claim 1 , interstitial fluids claim 1 , lymphatic fluids claim 1 , transcellular fluids claim 1 , urine claim 1 , urine-derived fluids claim 1 , agricultural runoff and sewage.3. (canceled)4. The method of wherein the concentration of urea in the fluid is reduced by greater than 10 percent by weight.5. The method of comprising agitating claim 1 , stirring claim 1 , shaking claim 1 , sonicating claim 1 , flowing claim 1 , cooling and/or heating a suspension of the graphene-based material particles in the fluid.6. The method of claim 1 , the method comprising flowing the fluid through a bed comprising graphene-based material particles.7. The method of wherein the graphene-based material is graphene oxide having an atomic ratio of carbon to oxygen of from 20:1 to 1.5:1.8. The method of wherein the graphene-based material is a graphene aggregate.9. The method of comprising removing at least one non-urea component of the fluid ...

CHROMATOGRAPHIC MATERIALS FOR THE SEPARATION OF UNSATURATED MOLECULES

The present disclosure relates to a method of separating a compound of interest, particularly unsaturated compound(s) of interest, from a mixture. The compound is separated using a column having a chromatographic stationary phase material for various different modes of chromatography containing a first substituent and a second substituent. The first substituent minimizes compound retention variation over time under chromatographic conditions. The second substituent chromatographically and selectively retains the compound by incorporating one or more aromatic, polyaromatic, heterocyclic aromatic, or polyheterocyclic aromatic hydrocarbon groups, each group being optionally substituted with an aliphatic group. In some examples, the present disclosure can include a chromatographic system having a chromatographic column having a stationary phase with a chromatographic substrate containing silica, metal oxide, an inorganic-organic hybrid material, a group of block copolymers, or a combination thereof. 2. The stationary phase of claim 1 , wherein the surface of X is subject to alkoxylation by a chromatographic mobile phase under chromatographic conditions.3. The stationary phase of claim 2 , wherein a substantial portion of the surface of X does not undergo alkoxylation by a chromatographic mobile phase under chromatographic conditions.4. The stationary phase of claim 1 , wherein the surface of X does not comprise silica claim 1 , and b=0 or c=0.5. The stationary phase of claim 1 , wherein the chromatographic stationary phase is adapted for supercritical fluid chromatography.6. The stationary phase of claim 1 , wherein the chromatographic stationary phase is adapted for carbon dioxide based chromatography.7. A column claim 1 , capillary column claim 1 , microfluidic device or apparatus for normal phase chromatography claim 1 , high-pressure liquid chromatography claim 1 , solvated gas chromatography claim 1 , supercritical fluid chromatography claim 1 , sub-critical fluid ...

POROUS CARBON MATERIAL COMPOSITES AND THEIR PRODUCTION PROCESS, ADSORBENTS, COSMETICS, PURIFICATION AGENTS, AND COMPOSITE PHOTOCATALYST MATERIALS

A porous carbon material composite formed of a porous carbon material and a functional material and equipped with high functionality. The porous carbon material composite is formed of (A) a porous carbon material obtainable from a plant-derived material having a silicon (Si) content of 5 wt % or higher as a raw material; and (B) a functional material adhered on the porous carbon material, and has a specific surface area of 10 m/g or greater as determined by the nitrogen BET method and a pore volume of 0.1 cm/g or greater as determined by the BJH method and MP method. 1. A process for producing a porous carbon material composite , the process comprising:carbonizing a silicon-containing plant-derived material at from 800° C. to 1,400° C. and generating a precursor carbonized material;reducing the silicon in the precursor carbonized material by treating the carbonized material with a hydrofluoric acid or an alkali;activating the precursor carbonized material by subjecting the precursor carbonized material to a steam stream and generation a porous carbon material; andcausing a functional material to adhere on the porous carbon material.2. The process of claim 1 , comprising activating the precursor carbonized material by subjecting the precursor carbonized material to the steam stream for at least two hours claim 1 , the steam being at a temperature of 900 degrees Centigrade.3. The process of claim 1 , comprising reducing the silicon in the precursor carbonized material by treating the carbonized material with the hydrofluoric acid.4. The process for producing the porous carbon material composite according to claim 1 , wherein:the plant-derived material has a silicon content of 5 wt % or higher;the porous carbon material has a silicon content of 1 wt % or lower; and{'sup': 2', '3, 'the porous carbon material composite has a specific surface area of 10 m/g or greater as determined by the nitrogen BET method and a pore volume of 0.1 cm/g or greater as determined by the ...

Sorbent article for co2 capture

A sorbent article having a substrate having porous channel walls defining open channels, and an organic-inorganic hybrid sorbent material distributed on a surface of the porous channel walls, wherein the sorbent material is derived from an amino-functionalized alkoxysilane and a polyamine, wherein the sorbent material is present in an amount equal to or greater than 10 g/l, wherein at least some of the sorbent material resides in the porous channel walls and forms CO 2 adsorption sites within the interior of the porous channel walls. The article may be useful, for example, for removing CO 2 from a gas.

Carbon dioxide sorbents for air quality control

Disclosed in certain embodiments are carbon dioxide and VOC sorbents that include a porous support impregnated with an amine compound.

MATERIAL SUCH AS FILM, FIBER, WOVEN AND NONWOVEN FABRIC WITH ADSORBANCY

Compositions that can be used to adsorb low concentration, of unwanted or target substances from a dynamic fluid stream or from an enclosed static vapor phase. Such adsorbency can be obtained with thermoplastic materials used in the form of bulk polymer or a film, fiber, web, woven fabric, non-woven fabric, sheet, packaging and other such structures including or surrounding the enclosed volume. The concentration should be reduced to non-offensive sensed limits or a limit that does not produce a biological response. 1. A method of making an adsorbent , the method comprising , in order:combining an aqueous floc of ferric hydroxide with an aqueous solution of a polyethylenimine to form a coating composition;applying the coating composition to a substrate; anddrying the coating composition on the substrate to form the adsorbent.2. The method of claim 1 , the method further comprising combining potassium ferrate with water to form the aqueous floc of the ferric hydroxide.3. The method of claim 2 , further comprising adding glycerol and ethanol to the aqueous floc of the ferric hydroxide.4. The method of claim 2 , comprising combining the potassium ferrate with the water and a pH buffer to form the aqueous floc of the ferric hydroxide.5. The method of claim 1 , the method further comprising combining a ferric salt and an alkaline hydroxide in water to form the aqueous floc of the ferric hydroxide.6. The method of claim 5 , wherein the ferric salt is selected from ferric chloride claim 5 , ferric nitrate claim 5 , ferric sulfate claim 5 , ferric citrate claim 5 , ferric ammonium citrate claim 5 , and ferric ammonium sulfate.7. The method of claim 5 , further comprising adjusting a pH of the coating composition to about 12.5 before the applying the coating composition to the substrate.8. The method of claim 1 , wherein the substrate is selected from a bulk polymer claim 1 , a polymer film claim 1 , a woven fabric claim 1 , a nonwoven fabric claim 1 , and a cellulosic paper. ...

Evaporative loss control device

The present disclosure is directed to a gas phase adsorption device comprising a large annulus and a small annulus block wherein the small annulus block is concentrically positioned inside the large annulus block. The present disclosure is also directed to a method for the storage of gas.

Mixed Metal Oxide Sorbent Composition And Method For Removing Organosulfur From Liquid Hydrocarbon Streams

Embodiments of an organosulfur capture or scavenger nanomaterial of this disclosure include a sorbent containing a composition of a mixed metal oxide, the metal being in various oxidation states. In embodiments, the mixed metal is manganese, iron, nickel, copper, or zinc. In some embodiments the sorbent includes a first mixed metal oxide and a second different metal or mixed metal oxide. The scavenger material may be synthesized from a metal precursor salt, neutralized and dried, and then washed or soaked to remove one or more byproducts. The resulting sorbent is in nanoparticulate form and has an amorphous non-crystalline structure. 2. A method according to wherein the non-magnetic mixed metal oxide claim 1 , hydroxide claim 1 , and oxyhydroxide sorbent nanomaterial includes the non-magnetic mixed metal oxide claim 1 , hydroxide claim 1 , and oxyhydroxide in crystalline structure claim 1 , an amount of the non-magnetic mixed metal oxide claim 1 , hydroxide claim 1 , and oxyhydroxide in crystalline structure being less than that of the amorphous non-crystalline structure.3. A method according to further comprising an amount of the metal in one oxidation state being different than an amount of the metal in another oxidation state.4. A method according to wherein a total sulfur loading capacity of the non-magnetic mixed metal oxide claim 1 , hydroxide claim 1 , and oxyhydroxide sorbent nanomaterial is in a range of 40% wgt. to 50% wgt.5. A method according to wherein an average particle size of the non-magnetic mixed metal oxide claim 1 , hydroxide claim 1 , and oxyhydroxide sorbent nanomaterial is in a range of 10 nm to 50 nm.6. A method according to wherein an average surface area of the non-magnetic mixed metal oxide claim 1 , hydroxide claim 1 , and oxyhydroxide sorbent nanomaterial is in a range of 50 m/g to 400 m/g.7. A method according to wherein the non-magnetic mixed metal oxide claim 1 , hydroxide claim 1 , and oxyhydroxide sorbent nanomaterial is a mixed ...

Highly Selective Carbon Monoxide Adsorbent And Method Of Preparing The Same

A highly selective carbon monoxide adsorbent and a method of preparing the highly selective carbon monoxide adsorbent are provided. The highly selective carbon monoxide adsorbent includes a boehmite or pseudo-boehmite in which a copper compound is dispersed.

COMPOSITE GRANULES INCLUDING POLYMERIC SORBENT FOR REACTIVE GASES

Composite granules that contain a binder and polymeric sorbent materials for capturing reactive gases are provided. Additionally, methods of making the composite granules and methods of using the composite granules to capture reactive gases, and compositions formed by exposing the composite granules to reactive gases are provided. The polymeric sorbent material included in the composite granules is a reaction product of a divinylbenzene/maleic anhydride precursor polymeric material with a nitrogen-containing compound. This reaction results in the formation of nitrogen-containing groups that are covalently attached to the polymeric sorbent. The reactive gases undergo an acid-base reaction with the nitrogen-containing groups. 1. Composite granules comprising:a binder; and [ (1) 8 to 65 weight percent maleic anhydride based on the total weight of monomers in the polymerizable composition;', '(2) 30 to 85 weight percent divinylbenzene based on the total weight of monomers in the polymerizable composition; and', '(3) 0 to 40 weight percent of a styrene-type monomer based on the total weight of monomers in the polymerizable composition, wherein the styrene-type monomer is styrene, an alkyl-substituted styrene, or a combination thereof; and, '(a) a precursor polymeric material comprising a polymerized product of a polymerizable composition comprising'}, '(b) a nitrogen-containing compound that is selected from ammonia or a compound having at least one primary amino group or at least one secondary amino group., 'a polymeric sorbent comprising a reaction product of'}2. The composite granules of claim 1 , wherein the amount of the binder is in a range of 1 to 30 weight percent based on the weight of the composite granules.3. The composite of claim 1 , wherein the binder comprises a salt or a polymeric material.4. The composite granules of claim 3 , wherein the binder comprises a silicate salt.5. The composite granules of claim 3 , wherein the binder comprises a carboxylate ...

Composite granules including polymeric sorbent for aldehydes

Composite granules that contain a binder and a polymeric sorbent material for capturing aldehydes such as formaldehyde are provided. Additionally, methods of making the composite granules, methods of using the composite granules to capture aldehydes, and compositions formed by reacting the composite granules with aldehydes are provided. The polymeric sorbent material included in the composite granules is a reaction product of a divinylbenzene/maleic anhydride precursor polymeric material with a nitrogen-containing compound. This reaction results in the formation of nitrogen-containing groups that are covalently attached to the polymeric sorbent. Aldehydes can react with the nitrogen-containing groups.

UNIVERSAL BLOOD PRODUCT AND METHODS OF PREPARING AND USING SAME

A method of preparing a universal blood product comprising obtaining a blood product; contacting the blood product with (i) hydroxyapatite; (ii) a carbonaceous material comprising at least a mixture of a first carbon particle having macroporous size α and a second carbon particle having macroporous size β; and (iii) at least one support matrix chemically associated with an antigenic determinant.to form a cleansed product; and recovering the cleansed product. A method of preparing a universal blood product comprising obtaining a blood product; contacting the blood product with (i) hydroxyapatite; (ii) a carbonaceous material comprising at least a mixture of a first carbon particle having macroporous size α and a second carbon particle having macroporous size β; and (iii) at least one support matrix chemically associated with an antigenic determinant.to form a cleansed product; wherein at least one of the hydroxyapatite, carbonaceous material and support matrix is functionalized. 1. A method of preparing a universal blood product comprising:obtaining a blood product wherein the blood product comprises whole blood or plasma;contacting the blood product with (i) hydroxyapatite; (ii) a carbonaceous material comprising at least a mixture of a first carbon particle having macroporous size α and a second carbon particle having macroporous size β; and (iii) at least one support matrix chemically associated with an antigenic determinant.to form a cleansed product; andrecovering the cleansed product.2. The method of wherein the hydroxyapatite is naturally-occurring claim 1 , synthetic claim 1 , or combinations thereof3. The method of wherein the hydroxyapatite has a Brunauer Emmett Teller surface area of from about 200 m/g to about 3000 m/g.4. The method of wherein the hydroxyapatite is in the form of beads having a particle size of from about 300 μm to about 1000 μm.5. The method of wherein the hydroxyapatite has a unimodal pore size distribution with a pore size ranging from ...

CROSS-LINKED MACROPOROUS POLYMER USED FOR SELECTIVE REMOVAL OF HYDROGEN SULFIDE FROM A GAS STREAM

A process is disclosed for the removal of hydrogen sulfide (H2S) from natural. This process provides for passing a natural gas feedstream comprising H2S though a regenerable adsorbent media which adsorbs H2S to provide an H2S-lean natural gas product and H2S. The regenerable adsorbent media of the present invention is a cross-linked macroporous polymeric adsorbent media 1. A process for removing hydrogen sulfide (HS) from a natural gas feedstream comprising HS comprising the steps of:{'sub': '2', '(a) providing an adsorbent bed comprising a cross-linked macroporous polymeric adsorbent media, wherein said adsorbent media adsorbs HS;'}{'sub': '2', '(b) passing the natural gas feedstream through the cross-linked macroporous polymeric adsorbent bed to provide a HS-lean natural gas stream and a hydrogen sulfide-loaded cross-linked macroporous polymeric adsorbent media;'}{'sub': '2', '(c) further treating, recovering, transporting, liquefying, or flaring the HS-lean natural gas stream,'}{'sub': '2', '(d) regenerating the loaded cross-linked macroporous polymeric adsorbent media for reuse by desorbing the adsorbed HS,'}and{'sub': '2', '(e) discharging the HS to be collected, flared, neutralized by caustic, converted to elemental sulfur, reinjected, or converted to sulfuric acid.'}2. The process of wherein the natural gas stream comprises claim 1 , in addition to HS claim 1 , one or more impurity wherein the HS is selectively removed from the natural gas stream in the presence of one or more impurity.3. The process of wherein the cross-linked macroporous polymeric adsorbent is a polymer of a monovinyl aromatic monomer crosslinked with a polyvinylidene aromatic compound.4. The process in of wherein the monovinyl aromatic monomer comprises from 92% to 99.25% by weight of said polymer claim 3 , and said polyvinylidene aromatic compound comprises from 0.75% to 8% by weight of said polymer.5. The process of wherein the cross-linked macroporous polymeric adsorbent is a polymer of ...

METHOD FOR MANUFACTURING PLASTERBOARDS

A process for the manufacture of a plasterboard including activated carbon, includes: preparing a main mixed batch including a foaming agent and devoid of activated carbon; preparing a secondary mixed batch including powdered activated carbon; providing a first facing sheet; pouring the secondary mixed batch over the first facing sheet, the secondary mixed batch forming a first plaster layer; pouring the main mixed batch over the first plaster layer, the main mixed batch forming a second plaster layer; providing a second facing sheet on the first and second plaster layers; and forming the plasterboard; wherein the secondary mixed batch has a greater density than the main mixed batch. 2. The process as claimed in claim 1 , wherein the second plaster layer has a thickness at least equal to half the thickness of the plasterboard.3. The process as claimed in claim 1 , wherein the first plaster layer has a thickness of less than 4 mm and the second plaster layer has a thickness of 6 to 25 mm.4. The process as claimed in claim 1 , wherein the secondary mixed batch has a density greater by at least 5% with respect to the main mixed batch.5. The process as claimed in claim 1 , wherein the main mixed batch has a density of 0.8 to 1.3 and the secondary mixed batch has a density of 1.3 to 2.0.6. The process as claimed in claim 1 , wherein the main mixed batch comprises claim 1 , per 100 parts by weight of plaster:from 50 to 200 parts of water;from 2 to 10 parts of foam obtained from a mixture of water and a foaming agent; andfrom 0.1 to 1 part of setting accelerator.7. The process as claimed in claim 1 , wherein the powdered activated carbon has a specific surface of 100 to 2500 m/g and a mean particle size of 1 to 100 μm.8. The process as claimed in claim 1 , wherein the secondary mixed batch is obtained from the main mixed batch.9. The process as claimed in claim 1 , wherein the secondary mixed batch comprises from 0.1 to 10% by weight of powdered activated carbon.10. The ...

Advanced porous carbon adsorbents for co2 capture and separation

The present invention concerns a process for manufacturing a porous carbonaceous monolith structure comprising the steps of (i) introducing a precursor material comprising particles comprising a halogenated polymer having a melting point in a mold; (ii) forming a shaped body comprising aggregates of the particles of the precursor material, by concurrently applying to the precursor material a pressure P ranging from 10 to 300 bars when the halogenated polymer is a vinylidene chloride homopolymer and from 10 to 150 bars when the halogenated polymer differs from a vinylidene chloride homopolymer, and maintaining the precursor material at a temperature T 1 ranging from T 1,min =20° C. to T 1,max =T m −50° C. wherein T m is the melting point of the halogenated polymer, and; (iii) optionally cooling then demolding the shaped body; (iv) introducing the shaped body in a furnace; (v) causing the pyrolysis of the halogenated polymer in the furnace until the porous carbonaceous monolith structure is obtained.

Manufacturing method for core-shell-type porous silica particle

Provided is a method for manufacturing core-shell-type porous silica particles, the method including: a preparation step for preparing an aqueous solution containing non-porous silica particles, a cationic surfactant, a basic catalyst, a hydrophobic part-containing additive, and an alcohol; a shell precursor formation step for adding a silica source to the aqueous solution to form a shell precursor on the surfaces of the non-porous silica particles; and a shell formation step for removing the hydrophobic part-containing additive and the cationic surfactant from the shell precursor to form a porous shell.

Oil degradation prevention device

Provided is an oil deterioration prevention device with which the trapping effect with respect to oil deteriorated components can be improved and with which the oil passage resistance can be reduced, thereby suppressing a rise in pressure loss. This oil deterioration prevention device is equipped with a filter unit equipped with a filter material that filters oil; and a deterioration prevention unit equipped with a powdery deterioration suppressing agent that suppresses oil deterioration. The deterioration prevention unit contains a mesoporous inorganic material, and of the oil fed from an oil storage unit, the oil filtered by the filter unit is fed to parts which are to be lubricated, and the oil in which deterioration has been suppressed by the deterioration prevention unit is returned to the oil storage unit or is fed to the parts to be lubricated.

FIBER MATERIAL AND PURIFICATION COLUMN

A fibrous material includes fiber blends having plural types of solid fibers having a common cross-sectional shape. The composition ratio of each of at least two out of the plural types of fibers to the total of the fiber blends is not less than 5.0%. When, among those plural types of fibers having a composition ratio of not less than 5.0%, fibers having the highest and the lowest surface area increase rates, which are given by the formula (1) below, are respectively designated as the fiberand the fiber, the surface area increase rate of the fiberis reduced by 3.0% or more as compared to that of the fiber. The composition ratios of the fiberand the fiberto the total of the fiber blends are not less than 30.0% and not less than 8.0%, respectively. The fiberhas (a) a surface area increase rate of not less than 1.20 and is (b) a porous fiber with a micropore specific surface area of not less than 5 m/g. 1. A fibrous material comprising fiber blends having plural types of solid fibers having a common cross-sectional shape , wherein the composition ratio of each of at least two out of the plural types of fibers to the total of the fiber blends is not less than 5.0% , and when , among those plural types of fibers having a composition ratio of not less than 5.0% , fibers having the highest and the lowest surface area increase rates , which are given by the formula (1) below , are respectively designated as the fiberand the fiber , the surface area increase rate of the fiberis reduced by 3.0% or more as compared to that of the fiber , and the composition ratios of the fiberand the fiberto the total of the fiber blends are not less than 30.0% and not less than 8.0% , respectively , and the fiberhas (a) a surface area increase rate of not less than 1.20 and is (b) a porous fiber with a micropore specific surface area of not less than 5 m/g{'br': None, 'Surface area increase rate=(the circumference of a fiber cross section)/(the circumference of a circle having the same cross- ...

HYDROCARBON-IN-WATER PURIFICATION ANION-EXCHANGE SYSTEM

A hydrocarbon-in-water purification system includes an anion exchange stage having an anion exchange resin and an inlet and a water permeate outlet and a hydrocarbon outlet. The inlet is in fluid communication with a hydrocarbon-in-water emulsion source. 1. A hydrocarbon-in-water purification system , comprising:an anion exchange stage comprising an anion exchange resin and an inlet and a water permeate outlet and a hydrocarbon outlet, the inlet is in fluid communication with a hydrocarbon-in-water emulsion source.2. The system according to wherein the anion exchange resin comprises a strongly basic anion exchange resin.3. The system according to wherein the hydrocarbon-in-water emulsion comprises an anionic surfactant.4. The system according to wherein the hydrocarbon-in-water emulsion comprises hydrocarbon droplets having an average diameter of 5 micrometers or greater.5. The system according to wherein the hydrocarbon-in-water emulsion comprises fuel.6. The system according to wherein the hydrocarbon-in-water emulsion comprises diesel.7. The system according to wherein the hydrocarbon-in-water emulsion comprises biodiesel.8. The system according to wherein the hydrocarbon-in-water source is a fuel system.9. The system according to wherein the hydrocarbon-in-water source is a compressor.10. The system according to further comprising a hydrocarbon absorber stage in liquid communication with the water permeate outlet and downstream of the anion exchange stage claim 1 , the hydrocarbon absorber stage comprising activated carbon.11. The system according to claim 10 , wherein the hydrocarbon absorber stage comprises a polishing absorber stage downstream of a high capacity absorber stage.12. An engine fuel and water separation system comprising:a fuel and water separator system fluidly connected to an engine fuel line and having a water drain outlet; and{'claim-ref': {'@idref': 'CLM-00001', 'claim 1'}, 'the inlet of the hydrocarbon-in-water purification system, ...

PELLETIZED ACTIVATED CARBON AND METHODS OF PRODUCTION

Activated carbon for removal of sulfur containing materials from fluids. The activated carbon has a high sulfur capacity and can be manufactured without the addition of a catalyst. Lignite is treated to provide an activated carbon with a high mesoporosity and total surface area. The starting material has a high ash content, such as greater than 10% by weight. 1. Filtration media comprising:activated carbon void of added catalyst and having a hydrogen sulfide capacity of at least 0.2 g/mL when tested using ASTM 6646.2. The filtration media of wherein the activated carbon is derived from lignite including at least 10% ash by weight.3. The filtration media of wherein the activated carbon is activated carbon pellets.4. The filtration media of wherein the activated carbon pellets comprise a binder.5. The filtration media of wherein the binder comprises a carbonized binder.6. The filtration media of wherein the activated carbon consists essentially of twice activated lignite.7. The filtration media of having a ball-pan hardness by ASTM D3802 of greater than or equal to 60 mass %.8. The filtration media of wherein the activated carbon has a minimum mesopore volume of 0.20 cm/g and the ash of the activated carbon includes three different metal oxides claim 1 , each at a concentration of greater than 1% by weight.9. The filtration media of wherein the activated carbon has a BET surface area of greater than 350 m/g.10. A method of making activated carbon pellets claim 1 , the method comprising:combining a lignite activated carbon with a binder;pelletizing the lignite activated carbon and binder to produce pellets; andtreating the pellets at an elevated temperature or drying the pellets to remove solvent from the pellets.1126-. (canceled)27. A method comprising:passing a fluid comprising hydrogen sulfide through activated carbon, the activated carbon comprising an activated carbon essentially free of added catalyst and having a hydrogen sulfide capacity of at least 0.2 g/mL ...

Sorption agent, method of making a sorption agent and barrier system

An anionic sorption agent, method for forming the anionic sorption agent and a barrier system are disclosed. The anionic sorption agent including a modified pseudo or glycol-boehmite base comprising a structure having cationic metal ion sites. The method for forming the anionic sorption agent includes providing a pseudo or glycol-boehmite base and contacting the pseudo or glycol-boehmite base a modifying composition comprising a metallic ion to form the modified pseudo or glycol-boehmite base comprising a structure having cationic metal ion sites. The barrier system includes the anionic sorption agent comprising a first barrier component comprising a modified pseudo or glycol-boehmite base comprising a structure having cationic metal ion sites and a second barrier component comprising a cationic sorption agent.

METAL ORGANIC FRAMEWORK ABSORBENT PLATFORMS FOR REMOVAL OF CO2 AND H2S FROM NATURAL GAS

Provided herein are metal organic frameworks comprising metal nodes and N-donor organic ligands which have high selectivity and stability in the present of gases and vapors including HS, HO, and CO. Methods include capturing one or more of HS, HO, and COfrom fluid compositions, such as natural gas. 1. A method of capturing chemical species from a fluid composition , comprising:{'sub': a', 'b', '6-n', '2', 'w', 'x', 'y', 'z, 'contacting a metal organic framework of formula [MMF(O/HO)(Ligand)(solvent)]with a fluid composition including at least carbon dioxide and hydrogen sulfide; and'}capturing carbon dioxide and hydrogen sulfide from the fluid composition;{'sub': 'a', 'wherein Mis selected from periodic groups IB, IIA, IIB, IIIA, IVA, IVB, VIB, VIIB, and VIII;'}{'sub': 'b', 'sup': +3', '3+', '+2', '+3', '2+', '3+', '3+', '3+', '5+', '3+', '3+', '5+', '3+, 'wherein Mis selected from Al, Ga, Fe, Fe, Cr, Cr, Ti, V, V, Sc, In, Nb, and Y;'}wherein the Ligand is a polyfunctional organic ligand, and x is 1 or more;wherein n is 1, w is 1, x is 2, y is 0 to 4, solvent is a guest molecule, and z is at least 1.2. The method of claim 1 , wherein Mincludes at least one of Zn claim 1 , Co claim 1 , Ni claim 1 , Mn claim 1 , Zr claim 1 , Fe claim 1 , Ca claim 1 , Ba claim 1 , Pb claim 1 , Pt claim 1 , Pd claim 1 , Ru claim 1 , Rh claim 1 , Mg claim 1 , Al claim 1 , Fe claim 1 , Fe claim 1 , Cr claim 1 , Cr claim 1 , Ru claim 1 , Ru claim 1 , and Co.3. The method of claim 1 , wherein the Ligand includes at least one of pyridine claim 1 , pyrazine claim 1 , pyrimidine claim 1 , pyridazine claim 1 , triazine claim 1 , thiazole claim 1 , oxazole claim 1 , pyrrole claim 1 , imidazole claim 1 , pyrazole claim 1 , triazole claim 1 , oxadiazole claim 1 , thiadiazole claim 1 , quinoline claim 1 , benzoxazole claim 1 , and benzimidazole.4. The method of claim 1 , wherein Mis Ni.5. The method of or claim 1 , wherein the Ligand is pyrazine.6. The method of claim 1 , wherein the metal organic ...

IMMOBILIZED WATER STATIONARY PHASE

A method for preparing a crude oil solution for analysis, including adding water to a porous adsorbent to obtain a supported water substrate, having a plurality of water monolayers disposed on the porous adsorbent. The method further includes exposing the crude oil solution to the supported water substrate for a period of time; adjusting the pH of the water on the porous adsorbent; separating the supported water substrate from the crude oil solution; washing the supported water substrate with a water immiscible solvent to remove at least one hydrocarbon; displacing water from the plurality of water monolayers and the at least one interfacially active compound from the porous adsorbent with an alcohol and a co-solvent to obtain a displaced phase. The displaced phase can include the water, the at least one interfacially active compound, the alcohol, and the co-solvent. Finally, the method can include drying the displaced phase to isolate the at least one interfacially active compound. 2. The method of claim 1 , wherein the interfacially active compound claim 1 , is a compound that lies at the oil/water boundary.3. The method of claim 1 , wherein the interfacially active compound claim 1 , is a compound that plays a role in emulsion stability.4. The method of claim 1 , wherein the interfacially active compound claim 1 , is a compound comprising a nonpolar portion that interacts with crude oil and a polar portion that interacts with water.5. The method of claim 1 , wherein the porous adsorbent is silica-gel.6. The method of claim 1 , wherein the water is present in an amount of from 0.1% to 66% by weight based on the weight of the porous adsorbent.7. The method of claim 1 , wherein the porous adsorbent has a surface area of about 475 to 560 m/g.8. The method of claim 1 , wherein the period of time is less than 2 hours to over months.9. The method according to claim 1 , wherein the water immiscible solvent comprises about 50% by weight of heptane and about 50% by weight ...

ADSORBENTS AND METHODS OF MAKING AND USING ADSORBENTS

An absorbent composition having a bismuth material on a support containing at least one of a metal oxide, a metalloid oxide or an activated carbon and methods of making and using the same. The adsorbent composition is usful for adsorbing arsine from a fluid stream. 145.- . (canceled)46. A method of making an adsorbent composition , comprising:dispersing a bismuth oxide on a support comprising a metal oxide, wherein the support is contacted with a precursor comprising a bismuth salt.47. The method of claim 46 , wherein the metal oxide is selected from a group consisting of a titanium oxide claim 46 , a cerium oxide claim 46 , an aluminum oxide claim 46 , a silicon oxide claim 46 , magnesium oxide claim 46 , zeolites and mixtures thereof.48. The method of claim 46 , wherein the bismuth salt precursor comprises bismuth citrate.49. The method of claim 46 , wherein the precursor further comprises a bismuth carboxylate.50. The method of claim 46 , wherein dispersing bismuth oxide on the support comprises impregnating the bismuth oxide in the support.51. The method of claim 46 , wherein the support comprises titanium dioxide in an anatase form.52. The method of claim 46 , wherein the adsorbent composition comprises a lead content of about 5% by mass or less.53. (canceled)54. The method of claim 46 , wherein the support comprises a moisture content of about 15% by mass or less.55. (canceled)56. A method of adsorbing an arsenic material claim 46 , comprising:contacting an arsenic-containing fluid with an adsorbent composition, the adsorbent composition comprising a bismuth material, wherein the arsenic-containing fluid is a hydrocarbon stream.57. The method of wherein the bismuth material is on a support comprising at least one of a metal oxide claim 56 , a metalloid oxide or an activated carbon.58. The method of claim 56 , wherein the bismuth material is selected from a group consisting of elemental bismuth and a bismuth compound.59. The method of claim 56 , wherein the ...

ANIONIC SUBSTANCE-ADSORBING AGENT, METHOD FOR PRODUCING ANIONIC SUBSTANCE-ADSORBING AGENT, APPARATUS FOR PRODUCING ANIONIC SUBSTANCE-ADSORBING AGENT, AND METHOD FOR RECOVERING ANIONIC SUBSTANCES

An anionic substance-adsorbing agent having an excellent ability to adsorb anionic substances; a method for producing the anionic substance-adsorbing agent; an apparatus for producing the anionic substance-adsorbing agent; and a method for recovering anionic substances. The present invention pertains to an anionic substance-adsorbing agent which contains foam glass, wherein, as determined by XPS analysis, the concentration of Ca2P is at least 4.0 at % or the concentration of Na1s is at most 8.0 at % on the surface of the adsorbing agent, and the full width at half maximum of the Si2p peak is at least 2.4 eV. The adsorbing agent can have a specific surface area of 15 m2/g or greater or a pore volume of 1.7 cm3/g or greater as measured by mercury intrusion porosimetry. 111-. (canceled)12. An anionic substance-adsorbing agent , which contains foam glass ,wherein by XPS analysis a concentration of Ca2p is 4.0 at % or more or a concentration of Na1s is 8.0 at % or less on a surface of the adsorbing agent, and a full width at half maximum of a Si2p peak is 2.4 eV or more.13. The adsorbing agent according to claim 12 , wherein by a mercury intrusion method a specific surface area is 15 m/g or more or a pore volume is 1.7 cm/g or more.14. The adsorbing agent according to claim 12 , wherein a specific gravity is 0.60 g/mL or less.15. The adsorbing agent according to claim 12 , wherein an amount of phosphoric acid ion which can be adsorbed in a phosphoric acid ion solution with a concentration of phosphoric acid ion of 3000 mg/L or more is 10 mg/g or more.16. A method for producing an anionic substance-adsorbing agent claim 12 , the method having a step of treating a foam glass material in an alkaline solution comprising an alkali metal hydroxide in an amount of 4 mol/L or more and having 130° C. or higher over a time required.17. The method according to claim 16 , wherein the time required is within 1.5 hours.18. The method according to claim 16 , wherein the foam glass ...

SEPARATION OF METAL-ORGANIC FRAMEWORKS

A method of separating a metal organic framework (MOF) from a solution and associated apparatus. The method comprises: providing a MOF containing solution; contacting the MOF containing solution with an acoustic reflector surface such that, any high frequency ultrasound applied within the MOF containing solution reflects off the acoustic reflector surface; and applying a high frequency ultrasound of at least 20 kHz to the MOF containing solution. The MOF material is substantially separated from solution as aggregated sediment that settles out of solution. 131.-. (canceled)32. An apparatus for separating a metal organic framework (MOF) from a solution , comprising:a housing having a reservoir capable of receiving a MOF containing solution;a high frequency ultrasound transducer operatively connected to the reservoir and capable of applying megasonic frequencies of at least 20 kHz to the MOF containing solution; andan acoustic reflector surface spaced apart from the transducer within the housing, the transducer, in use, being operated to reflect said applied high frequency ultrasound off the acoustic reflector surface, said acoustic reflector surface being spaced away from the high frequency ultrasound transducer such that a standing wave is formed through constructive interference.33. The apparatus according to claim 32 , wherein the applied high frequency ultrasound is 20 kHz to 4 MHz.34. The apparatus according to claim 32 , wherein the housing comprises a container including at least one wall position to contact the MOF containing solution claim 32 , and the transducer is high frequency ultrasound transducer is position within the reservoir or in engagement with the at least one wall.35. The apparatus according to claim 32 , wherein the acoustic reflector surface is generally located in front of the transducer claim 32 , and spaced apart from that transducer.36. The apparatus according to claim 33 , wherein the high frequency ultrasound transducer comprises a plate ...

ADSORBENT AND PACKAGING MATERIAL

The present invention relates to an adsorbent suitable for the adsorption of MOAH and/or MOSH compounds, the use of the adsorbent for the production of a packaging material or a container comprising the adsorbent, the process of production of the packaging material or container as well as the respective packaging material and container. 1. Adsorbent suitable for the adsorption of MOAH and/or MOSH compounds characterized by{'sup': '2', '(i) a specific surface area of from 140 to 700 m/g; and/or'}(ii) a pore volume of pores from 20 to 500 Å of from 0.1 to 1.2 ml/g; and/or(iii) a total pore volume of from 0.25 to 1.2 ml/g.2. Adsorbent according to claim 1 , further characterized by a wet sieve residue of from 90 to 100% less than 53 μm.3. Adsorbent according to any of the foregoing claims claim 1 , characterized by a water content of from 5 to 30 wt.-%.4. Adsorbent according to any of the foregoing claims claim 1 , characterized by a swelling capacity of less than 15 ml/2 g.5. Adsorbent according to any of the foregoing claims claim 1 , which is selected from the group consisting of bentonites claim 1 , attapulgites claim 1 , saponites claim 1 , sepiolites claim 1 , mixed layer saponites/kerolites claim 1 , natural and synthetic aluminum silicates and mixtures thereof.6. Adsorbent according to any of the foregoing claims claim 1 , wherein the adsorbent is an acid-activated adsorbent.7. Packaging material comprising at least one adsorbent as defined in any of to .8. Packaging material according to comprising at least one component selected from paper or cardboard material.9. Packaging material according to any of or claim 7 , comprising at least two layers of cardboard material and/or paper.10. Packaging material according to claim 7 , wherein at least one of the layers comprises at least one adsorbent as defined in any of to and at least one layer comprising recycled paper or cardboard material.11. Container comprising the packaging material as defined in any of to .12 ...

Filter Media For Respiratory Protection

A filter media composition includes a ferrihydrite material having an average pore size (BJH) in a range from 1 to 3 nm and a surface area (BET) of at least 200 m/g or at least 250 m/g or at least 300 m/g. 1. A composition comprising:{'sup': 2', '2', '2, 'a doped ferrihydrite material having an average pore size (BJH method) in a range from 1 to 3 nm and a surface area (BET) of at least 200 m/g or at least 250 m/g or at least 300 m/g.'}2. The composition according to claim 1 , wherein the doped ferrihydrite material has a molar ratio of iron:dopant in a range from 95:5 to 75:25 or from 90:10 to 80:20.3. The composition according to claim 1 , wherein the doped ferrihydrite material includes dopant material comprising a metal such as Cu claim 1 , Zn claim 1 , Ca claim 1 , Ti claim 1 , Mg claim 1 , Zr claim 1 , Mn claim 1 , Al claim 1 , Si claim 1 , Mo claim 1 , Ag or mixtures thereof.4. The composition according to claim 1 , wherein the doped ferrihydrite material includes dopant material being Cu or Zn.5. The composition according to claim 1 , wherein the doped ferrihydrite material are granules having a mesh size in a range from 12 to 50 or from 20 to 40 U.S. standard sieve series.6. The composition according to claim 1 , wherein the doped ferrihydrite material are in a form of compression derived granules.7. The composition according to claim 1 , wherein the doped ferrihydrite material defines aggregate particles having a median largest lateral dimension in a range from 1 to 100 micrometers or from 15 to 45 micrometers or from 20 to 40 micrometers or about 30 micrometers.8. The composition according to claim 1 , wherein the doped ferrihydrite material has a moisture content of less than 10% by wt or less than 5% by wt.9. A respiratory protection filter comprising: 'free-standing granular doped ferrihydrite material.', 'a housing having an air stream inlet and an air stream outlet and containing an amount of filtration media in fluid connection and between the air ...

Composition, particulate materials and methods for making particulate materials

Particulate material comprising rough mesoporous hollow nanoparticles. The rough mesoporous hollow nanoparticles may comprise a mesoporous shell, the external surface of which has projections thereon, the projections having smaller sizes than the particle size. The particulate material may be used to deliver active agents, such as insecticides and pesticides. The active agents can enter into the hollow core of the particles and be protected from degradation by sunlight. The rough surface of the particles retains the particles on plant leaves or animal hair. Methods for forming the particles are also described. Carbon particles and methods for forming carbon particles are also described.

Salt Coated With Nanoparticles

A particle comprises an inner part and an outer coating, wherein the inner part comprises MgO and the outer coating comprises hydrophobic nanoparticles, wherein the nanoparticles have an average size of from 1-50 nm and/or the nanoparticles are fused together and form aggregates of 100-1,000 nm of a size less than 1 μm, wherein the particle has an average size of from 1 to 1000 μm. A device adapted to perform an absorption process comprises at least one such particle. An absorption process comprises contacting such a particle with a liquid or gas. 1. A particle comprising an inner part and an outer coating , wherein said inner part comprises MgO and said outer coating comprises hydrophobic nanoparticles , wherein the nanoparticles have an average size of from 1-50 nm and/or the nanoparticles are fused together and form aggregates of 100-1 ,000 nm of a size less than 1 μm , wherein the particle has an average size of from 1 to 1000 μm.2. The particle according to claim 1 , wherein said nanoparticles comprise at least one material selected from the group consisting of hydrophobically-modified SiO2 particles and carbon materials.3. The particle according to claim 1 , wherein said hydrophobic nanoparticles comprise SiO2 nanoparticles claim 1 , and the SiO2 nanoparticles are modified by covalently bound hydrophobic compounds.4. The particle according to claim 1 , wherein said particle further comprises at least one liquid.5. The particle according to claim 1 , wherein said particle further comprises water.6. The particle according to claim 1 , wherein said particle has an average size of from 5 to 500 μm.7. The particle according to claim 1 , wherein said particle has an average size of from 20 to 100 μm.8. The particle according to claim 1 , wherein said nanoparticles have an average size of from 1 to 50 nm.9. A device adapted to perform an absorption process claim 1 , said device comprising at least one particle claim 1 , wherein said particle comprises an inner part ...

NETWORKED POLYMERIC NANOFIBERS, PROCESS FOR PRODUCING SAME, GAS ADSORBENT, AND GAS SEPARATION MATERIAL

The invention provides networked polymeric nanofibers having a structure in which amorphous polymeric fibers are branched at multiple sites and having a diameter of from 1 nanometer to 100 nanometers. 115-. (canceled)16. A process for producing a polymeric nanofiber network , the process comprising the steps of:(a) dissolving an amorphous polymer in a good solvent thereof to obtain a polymer solution;(b) rapidly freezing the amorphous polymer solution to form a nanoscale phase-separation structure of the polymer and solidified solvent molecules; and(c) removing the good solvent from the frozen amorphous polymer solution to achieve the polymeric nanofiber network.17. The process according to claim 16 , wherein the step of removing the good solvent includes a step of displacing the good solvent with a poor solvent of the amorphous polymer.18. The process according to claim 17 , wherein the poor solvent is methanol.19. The process according to claim 17 , wherein the solvent displacing step includes a step of increasing temperature in a stepwise manner.20. The process according to claim 17 , wherein the step of removing the good solvent further includes a step of performing solvent exchange.21. The process according to claim 20 , wherein the solvent exchange is performed by using the poor solvent or butanol.22. The process according to claim 16 , wherein the step of removing the good solvent includes a step of performing freeze drying claim 16 , or vacuum drying at a temperature no greater than the glass transition point of the amorphous polymer.23. The process according to claim 16 , wherein the amorphous polymer is selected from the group consisting of polystyrene claim 16 , polycarbonate claim 16 , poly(2 claim 16 ,6-dimethyl-p-phenyleneoxide) claim 16 , polysulfone claim 16 , poly(p-phenylene ether-sulfone) claim 16 , polyacrylonitrile claim 16 , polyetherimide claim 16 , polyvinyl chloride claim 16 , and a mixture thereof.24. The process according to claim 16 , ...

Process for purifying lpc-dha and/or lpc-epa using a chromatographic stationary phase and compositions thereof

Embodiments of a method of purifying a lysophosphatidylcholine (e.g., LPC-DHA and/or LPC-EPA) from a composition containing the lysophosphatidylcholine and at least one impurity, e.g., from phospholipids, free fatty acids, triacylglycerols (TAGs), diacylglycerols (DAGs), monoacylglycerols (MAGs), glycerol, sterols, tocopherols, vitamin A, flavonoids, and minerals can use a continuous simulated moving bed process, a batch column chromatography method, or a single column to provide a purified composition of the lysophosphatidylcholine. The purified lysophosphatidylcholine (e.g., LPC-DHA and/or LPC-EPA) products can be used in various pharmaceutical and nutraceutical applications, e.g., for treating and/or preventing a neurological disease or disorder.

MULTI-LAYERED MEMBRANE FOR OIL/WATER SEPARATION

The multi-layered membrane () for separating oil and water includes a porous top layer (), a porous bottom layer (), and a particulate middle layer () positioned between the top layer () and the bottom layer (), the middle layer () being hydrophobic and adapted for adsorbing oil, such as trace amounts of oil, that may pass through the top layer (). The top layer () and the bottom layer () are hydrophilic and oleophobic. While the membrane () does not require any external pressure other than the gravitational forces exerted on the oil/water mixture W to drive the filtration of the oil/water mixture W through the membrane (), the filtration can be driven by a vacuum or other type of external pressure. 1. A multi-layered membrane for oil and water separation , the membrane comprising:a top layer having a plurality of pores, the top layer being hydrophilic and oleophobic;a bottom layer having a plurality of pores, the bottom layer being hydrophilic and oleophobic; anda middle particulate layer between the top layer and the bottom layer, the middle layer being hydrophobic and adapted for adsorbing oil.2. The multi-layered membrane for oil and water separation according to claim 1 , wherein at least one of the top layer and the bottom layer include a woven fabric.3. The multi-layered membrane for oil and water separation according to claim 1 , wherein at least one of the top layer and the bottom layer include a non-woven fabric.4. The multi-layered membrane for oil and water separation according to claim 1 , wherein the middle layer comprises a solid powder.5. The multi-layered membrane for oil and water separation according to claim 4 , wherein the solid powder comprises granular activated carbon.6. The multi-layered membrane for oil and water separation according to claim 4 , wherein the solid powder has a particle size less than 100 microns in size.7. The multi-layered membrane for oil and water separation according to claim 4 , wherein the solid powder comprises a ...

Method for preparing porous organic-inorganic hybrid materials

The present invention relates to a method for preparing a porous organic-inorganic hybrid, which comprises gelling a reaction mixture containing a metal precursor, a water-soluble additive and water or water-containing organic solvent at a gelling temperature of 30° C.˜100° C. to obtain an organogel-containing solution having a viscosity of 2 to 50,000 (cps), subsequently ageing the solution at said gelling temperature under stirring; and subsequently heating the organogel-containing solution at a temperature between said gelling temperature and 250° C. to crystallize the solution. According to the method for preparation of the present invention, it is possible to commercially practice the present invention since the reaction can be carried out in water or a water-containing organic solvent at an ambient pressure or a slightly raised pressure under a reflux condition, as well as it is possible to mass-produce a porous organic-inorganic hybrid having a high crystallinity and a large surface even in a high mol ratio of 1:1˜1:30 of solvent to metal.

FILTRATION MEDIUM COMPRISING NITROGEN AND SULFUR

Described herein is a filtration medium and method for treating a chloramine-containing liquid. The active chloramine removal material comprises carbon, nitrogen, and sulfur, and the sum of the sulfur and nitrogen in the active chloramine removal material is at least 4.0 mass %. 110.-. (canceled)11. A method for removing chloramine from aqueous solutions comprising: providing an aqueous solution comprising chloramine and contacting the aqueous solution with an active chloramine removal material , wherein the active chloramine removal material comprises carbon , nitrogen , and greater than 1.2 mass % sulfur , and the sum of the sulfur and nitrogen in the active chloramine removal material is at least 4.0 mass %.12. The method of claim 11 , wherein the active chloramine removal material comprises a thermal reaction product of (i) the surface of a carbonaceous solid and (ii) a nitrogen containing chemical species and a sulfur containing chemical species.1314.-. (canceled)15. The method of wherein during the removal of the chloramine claim 11 , at least 0.2% by mass of the sulfur is in an oxidation state higher than 0 based on the total mass of the active chloramine removal material.1620.-. (canceled)211. The method of claim claim 11 , wherein the active chloramine removal material comprises greater than 2.0 mass % sulfur.221. The method of claim claim 11 , wherein the active chloramine removal material comprises greater than 4.0 mass % sulfur.231. The method of claim claim 11 , wherein the active chloramine removal material comprises greater than 6.0 mass % sulfur.241. The method of claim claim 11 , wherein the active chloramine removal material comprises greater than 0.5 mass % nitrogen.251. The method of claim claim 11 , wherein the active chloramine removal material comprises greater than 1.0 mass % nitrogen.261. The method of claim claim 11 , wherein the sum of the sulfur and nitrogen in the active chloramine removal material is at least 10.0 mass %.271. The method ...

POWDER, METHOD OF PRODUCING POWDER AND ADSORPTION APPARATUS

The present invention provides that powder is mainly constituted from secondary particles of hydroxyapatite. The secondary particles are obtained by drying a slurry containing primary particles of hydroxyapatite and aggregates thereof and granulating the primary particles and the aggregates. A bulk density of the powder is 0.65 g/mL or more and a specific surface area of the secondary particles is 70 m/g or more. The powder of the present invention has high strength and is capable of exhibiting superior adsorption capability when it is used for an adsorbent an adsorption apparatus has. 1. A powder comprising mainly hydroxyapatite ,wherein the powder is obtained by drying a slurry containing primary particles of the hydroxyapatite, granulating the dried slurry to obtain granulated particles and sintering the granulated particles, and{'sup': 2', '2, 'wherein the powder has a bulk density of 0.65 g/mL or more and a specific surface area of 25 m/g to 52 m/g.'}2. The powder as claimed in claim 1 , wherein the powder has a sphericity of about 0.91 to about 1.00.3. The powder as claimed in claim 1 , wherein the powder is classified so as to have an average particle size of 40±4 μm claim 1 , wherein when a repose angle of the classified powder is measured claim 1 , the classified powder has the repose angle of about 22° to about 24°.4. The powder as claimed in claim 1 , wherein the powder is formed by sintering the granulated particles at a temperature of 700° C. to obtain sintered powder claim 1 , and then classifying the sintered powder so as to have an average particle size of 40±4 μm claim 1 , wherein the classified sintered powder has a compressive particle strength of about 7.3 MPa to about 9.4 MPa.5. The powder as claimed in claim 1 , wherein the powder is formed by sintering the granulated particles at a temperature of 700° C. to obtain sintered powder including particles each having a surface and micropores formed on the surface claim 1 , wherein the micropores ...

Adsorbents comprising organic-inorganic hybrid nanoporous materials for sorption of water or alcohol and use thereof

Provided are a water and/or alcohol adsorbent including organic-inorganic hybrid nanoporous materials, and use thereof, and more particularly, a water and/or alcohol adsorbent having a high adsorption amount at a low relative humidity or partial pressure, of which desorption/regeneration is possible at a low temperature, the water and/or alcohol adsorbent including organic-inorganic hybrid nanoporous materials having 0.5 to 3 mol of a hydroxyl group (OH) or a hydroxide anion group (OH − ) per 1 mol of a central metal ion, and use thereof.

NOVEL CROSSLINKED POLYMERIC SUBSTRATES METHODS OF PREPARATION AND END USE APPLICATIONS OF THE SUBSTRATES

A composition of matter wherein the composition comprises a siliceous substrate having silanols on the surface and a polymer selected from the group consisting essentially of a water soluble polymer, a water soluble copolymer, an alcohol soluble polymer, an alcohol soluble copolymer, and combinations of such polymers, wherein the polymer is chemically bonded to the siliceous substrate by a silane linking material having the general formula 133.-. (canceled)34. A process for preparing a crosslinked polymer that is chemically bonded to the surface of a siliceous substrate , said process consisting essentially of:(I) heating a predetermined amount of alcohol in a reaction vessel with stirring, wherein the alcohol has from 1 to 9 carbon atoms;(II) adding a predetermined amount of a hydrolysis catalyst selected from organic acids having from 1 to 7 carbon atoms:(III) adding a predetermined amount of a silanol condensation catalyst;(IV) adding a predetermined amount of siliceous substrate containing reactive silanols; [{'br': None, 'sub': '3', '(RO)SiQX'}, 'wherein R is a hydrocarbon group having from 1 to 6 carbon atoms, Q is a hydrocarbon group having from 0 to 6 carbon atoms, X is a functional group selected from the group consisting of epoxy, halogen, methacrylate, vinyl, amine, allyl, phosphonate, styrlamine, and sulfide;, '(V) adding a predetermined amount of silane coupling agent, said silane being an alkoxy-functional silane having the general formula'} (i) a water soluble polymer,', '(ii) a water soluble copolymer,', '(iii) an alcohol soluble polymer,', '(iv) an alcohol soluble copolymer, and', '(v) combinations of (i) to (iv),, '(VI) adding a predetermined amount of polymer, said polymer being selected from the group consisting of'}(VII) stirring the combination of (I) to (VI) for a period of time of 12 hours or less at a temperature of 75° C. or less; wherein the ratio of polymer to siliceous substrate is in the range of P:S wherein P is 0.1 to 50 and S is 99.9 ...

Particulate water-absorbing agent and method for producing the same

It is an object to provide a particulate water-absorbing agent having a high fluid retention capacity under pressure and reduced moisture absorption blocking properties, and a method for producing the same. A particulate water-absorbing agent including a water-insoluble metal phosphate including an anion of a phosphoric acid compound and a divalent or trivalent metal cation, the water-insoluble metal phosphate having a crystallite size of less than 0.15 mm, wherein the particulate water-absorbing agent has a fluid retention capacity under pressure of 2.06 kpa of 20 g/g or more.

Titanium oxide fine particles and method for producing same

Provided are: titanium oxide fine particles having small primary particle diameters and small agglomerated particle diameters; and a method for producing titanium oxide fine particles. The BET diameters of the titanium oxide fine particles are 1-50 nm; the agglomerated particle diameters thereof are 1-200 nm; and the (agglomerated particle diameter)/(BET diameter) ratio is 1-40. Titanium (oxy)chloride is hydrolyzed in an aqueous solvent, while controlling the pH range and the temperature range. Preferably, titanium (oxy)chloride is subjected to a primary hydrolysis in an aqueous solvent, and a secondary hydrolysis is subsequently carried out, while adding titanium (oxy)chloride thereto.

Carbon dioxide separating material, and method for separation or recovery of carbon dioxide

Disclosed are a carbon dioxide separating material comprising a polyamine carrier in which a polyamine having at least two isopropyl groups on one or more of the nitrogen atoms is loaded on a support, and a method for separating or recovering carbon dioxide using the carbon dioxide separating material.

Aluminum Metal Organic Framework Materials

The invention relates to monocrystalline single crystals of metal-organic framework materials comprising at least one aluminium metal ion, processes for preparing the same, methods for employing the same, and the use thereof. The invention also relates to monocrystalline aluminium metal-organic frameworks. 1. A single crystal metal-organic framework comprising one or more metal-ligand clusters , each metal-ligand cluster comprising (i) a metal cluster having an AlO cornerstone , and (ii) one or more ligands having two or more carboxylate groups;{'sup': 3', '3, 'wherein the single crystal has a size greater than or equal to 10 μm; the metal-organic framework comprises cavities having a free diameter of about 4 Å to about 40 Å; and the metal-organic framework comprising pores having a pore volume from about 0.1 cm/g to about 4 cm/g.'}2. The single crystal metal-organic framework according to claim 1 , wherein the crystal is monocrystalline.3. The single crystal metal-organic framework according to claim 1 , having a BET specific surface area of at least 200 m/g claim 1 , at least 300 m/g claim 1 , at least 600 m/g claim 1 , or at least 800 m/g.4. The single crystal metal-organic framework according to claim 1 , having a surface area of less than or equal to 8000 m/g claim 1 , less than or equal to 6000 m/g claim 1 , or less than or equal to 4000 m/g.5. The single crystal metal-organic framework according to claim 1 , the metal-organic framework comprising cavities having a free diameter of from about 5 Å to about 25 Å claim 1 , or from about 5 Å to about 15 Å.6. The single crystal metal-organic framework according to claim 1 , the metal-organic framework comprising pores having a pore volume from about 0.2 cm/g to about 3 cm/g.7. The single crystal metal-organic framework according to claim 1 , having a size greater than or equal to 20 μm claim 1 , 30 μm claim 1 , or 50 μm.8. The single crystal metal-organic framework according to claim 1 , having a crystal size from ...

NEW USES OF MAGNESIUM PHOSPHATE CONTAINING MINERALS

Processes for making magnesium-containing layered double hydroxides from a magnesium phosphate-containing mineral are disclosed, as well as a magnesium-containing layered double hydroxides and their uses. 1. A process for the preparation of a magnesium-containing layered double hydroxide , the process comprising the step of:{'sup': '2+', 'a) using a magnesium phosphate-containing mineral as a source of Mg ions in a process of preparing a layered double hydroxide.'}2. The process of claim 1 , wherein the magnesium phosphate-containing mineral is struvite or a magnesium phosphate-containing mineral derived from struvite (e.g. bobierrite).3. The process of or claim 1 , wherein Mg ions are generated in step a) by contacting the magnesium phosphate-containing mineral with an aqueous solution (e.g. water).4. The process of claim 3 , wherein the temperature of the aqueous solution is 5-120° C. claim 3 , preferably 30-95° C.5. The process of claim 1 , wherein the magnesium phosphate-containing mineral is struvite or a magnesium phosphate-containing mineral derived from struvite claim 1 , and the Mg ions are generated in step a) by contacting the magnesium phosphate-containing mineral with an aqueous solution for 30-75 minutes at a temperature of 55-90° C. claim 1 , and wherein the process of step a) is a coprecipitation process.6. The process of any preceding claim claim 1 , wherein step a) comprises mixing the Mg ions with:M′, wherein M′ is one or more trivalent or tetravalent cations,X, wherein X one or more anions, and{'sup': '2+', 'optionally M, wherein M is a monovalent or divalent cation other than Mg, in an aqueous reaction medium (e.g. water) at a pH sufficient to form a layered double hydroxide.'}7. The process of claim 6 , wherein the pH of the aqueous reaction medium is 9.5-13.0.8. The process of or claim 6 , wherein the temperature of the aqueous reaction medium is 5-80° C.9. The process of any one of to claim 6 , wherein the formed layered double hydroxide is ...

Decontaminant, carbon/polymer composite, decontamination sheet member and filter medium

A filter medium of the present invention includes a porous carbon material having a value of a specific surface area by a nitrogen BET method of 1×10 2 m 2 /g or more, a volume of fine pores by a BJH method of 0.3 cm 3 /g or more, and a particle size of 75 μm or more, alternatively, a porous carbon material having a value of a specific surface area by a nitrogen BET method of 1×10 2 m 2 /g or more, a total of volumes of fine pores having a diameter of from 1×10 −9 m to 5×10 −7 m, obtained by a non-localized density functional theory method, of 1.0 cm 3 /g or more, and a particle size of 75 μm or more.

COMPOSITION

The present invention provides a nitric-oxide containing composite in the form of microparticles, wherein said microparticles comprise: 1. A nitric-oxide containing composite in the form of microparticles , wherein said microparticles comprise:(i) a core which comprises silica;(ii) a layer on said core which comprises a metal-organic framework; and(iii) nitric oxide;wherein said metal-organic framework comprises organic ligands comprising at least one amine group, said metal-organic framework is uniformly distributed on the surface of said silica core, and preferably completely covers the surface of said core, and said nitric oxide is chemisorbed within said metal-organic framework.2. A composite as claimed in claim 1 , wherein said metal-organic framework is in the form of nanocrystals having an average diameter of 1-200 nm.3. A composite as claimed in claim 1 , wherein said layer which comprises a metal-organic framework has a thickness of 5-100 nm.4. A composite as claimed in claim 1 , wherein said layer claim 1 , which comprises a metal-organic framework claim 1 , is a monolayer.5. A composite as claimed in claim 1 , wherein said core consists of silica.6. A composite as claimed in claim 1 , wherein said core has an average diameter of 1-200 μm.8. A composite as claimed in claim 7 , wherein each of Xand Xare independently selected from COOH claim 7 , OH and NH.9. A composite as claimed in claim 7 , wherein each of Xand Xare COOH.11. A composite as claimed in claim 7 , wherein said metal-organic framework further comprises a metal-containing secondary building unit comprising a metal selected from Zr claim 7 , Hf claim 7 , Ti claim 7 , Zn claim 7 , Cr claim 7 , In claim 7 , Ga claim 7 , Cu claim 7 , Fe claim 7 , Mo claim 7 , Cr claim 7 , Co claim 7 , Ru claim 7 , Na claim 7 , Mg claim 7 , Mn claim 7 , Ni claim 7 , W claim 7 , Al and V.12. A composite as claimed in claim 11 , wherein said metal is Zr.13. A composite as claimed in claim 11 , wherein said metal- ...

HYDRATED LIME PRODUCT

A hydrated lime product exhibiting superior reactivity towards HCl and SOin air pollution control applications. Also disclosed is a method of providing highly reactive hydrated lime and the resultant lime hydrate where an initial lime feed comprising calcium and impurities is first ground to a particle-size distribution with relatively course particles. Smaller particles are then removed from this ground lime and the smaller particles are hydrated and flash dried to form a hydrated lime, which is then milled to a significantly smaller particle size than that of the relatively course particles. The resultant lime hydrate product has available CaOH of greater than 92%, a citric acid reactivity of less than 20 seconds, a BET surface area greater than 18, a D90 less than 10 μm, a D50 less than 4 μm, a D90/D50 less than 3, and a large pore volume of greater than 0.2 BJH. 1. A hydrated lime particulate comprising:a D50 particle size of less than 4 μm;a D90 particle size of less than 10 μm;a BET surface area greater than 18; anda D90/D50 particle size ratio of less than 3.2. A particulate of wherein the D50 particle size is less than 3 μm.3. A particulate of wherein the D90 particle size is less than 8 μm.4. A particulate of wherein the D50 particle is less than 3 μm and the D90 size is less than 8 μm.5. A particulate of further comprising of a BJH pore size of greater than 180.6. A particulate of further comprising of a BJH pore volume of greater than 0.2. This disclosure is related to the field of quicklime products, specifically to compositions comprising calcium hydroxide—more commonly called hydrated lime or lime hydrate—which exhibit superior acid gas removal characteristics in air pollution control applications.Many efforts have been made to develop materials for improved capability of cleaning or “scrubbing” flue gas or combustion exhaust. Most of the interest in such scrubbing of flue gas is to eliminate particular compositions, specifically acid gases, that ...

Porous polymer material

The present disclosure relates to a polymer material comprising mesopores extending between melamine-formaldehyde co-polymer nano-particles and wherein micropores extend within the co-polymer nano-particles, methods of producing the same and uses thereof.

SORBENT COMPOSITIONS FOR THE REMOVAL OF BORON FROM AQUEOUS MEDIUMS

Sorbent compositions that includes a base sorbent material having a high porosity and surface area and a boron-selective agent are particularly useful for the sequestration of boron from waste materials such as coal combustion residual leachate (CCRs). By using a boron-selective agent in conjunction with a high surface area base sorbent material such as activated carbon or biochar, a sorbent composition with a high capacity for sequestering boron at relatively low cost is provided. 145.-. (canceled)46. A method of treating an aqueous medium , comprising contacting an aqueous medium comprising a boron contaminate with a base sorbent material in the presence of a boron selective agent , wherein the base sorbent material captures at least a portion of the boron contaminate.47. The method recited in claim 46 , wherein the boron-selective agent comprises a compound selected from the group of compounds comprising 1 claim 46 ,2 hydroxyl groups claim 46 , 1 claim 46 ,2 carboxyl groups claim 46 , 1 claim 46 ,2 carbonyl groups claim 46 , 1 claim 46 ,3 hydroxyl groups claim 46 , 1 claim 46 ,3 carboxyl groups claim 46 , 1 claim 46 ,3 carbonyl groups claim 46 , and combinations thereof.48. The method recited in claim 47 , wherein the compound also has a functional group selected from the group consisting of an imino group claim 47 , an amino group claim 47 , and combinations thereof.49. The method recited in claim 46 , wherein the boron-selective agent comprises a compound selected from the group consisting of sorbitol claim 46 , mannitol claim 46 , polyvinyl alcohol (PVA) claim 46 , 1 claim 46 ,2 ethanediol claim 46 , 1 claim 46 ,2 propanediol claim 46 , catechol claim 46 , tannic acid claim 46 , glucose claim 46 , mannose claim 46 , glycerol claim 46 , ribose claim 46 , cellulose claim 46 , curcumin claim 46 , citric acid claim 46 , tartaric acid claim 46 , malic acid claim 46 , salicyl alcohol claim 46 , 1 claim 46 ,3 propanediol claim 46 , bis(hydroxymethyl)phenol claim 46 , ...

Organosilica materials and uses thereof

Methods of preparing organosilica materials, which are a polymer comprising of at least one independent cyclic polyurea monomer of Formula wherein each R 1 is a Z 1 OZ 2 Z 3 SiZ 4 group, wherein each Z 1 represents a hydrogen atom, a C 1 -C 4 alkyl group, or a bond to a silicon atom of another monomer unit; each Z 2 and Z 3 independently represent a hydroxyl group, a C 1 -C 4 alkyl group, a C 1 -C 4 alkoxy group or an oxygen atom bonded to a silicon atom of another monomer unit; and each Z 4 represents a C 1 -C 8 alkylene group bonded to a nitrogen atom of the cyclic polyurea are provided herein. Methods of preparing and processes of using the organosilica materials, e.g., for gas separation, color removal, etc., are also provided herein.

POROUS CARBON MATERIAL COMPOSITES AND THEIR PRODUCTION PROCESS, ADSORBENTS, COSMETICS, PURIFICATION AGENTS, AND COMPOSITE PHOTOCATALYST MATERIALS

A porous carbon material composite formed of a porous carbon material and a functional material and equipped with high functionality. The porous carbon material composite is formed of (A) a porous carbon material obtainable from a plant-derived material having a silicon (Si) content of 5 wt % or higher as a raw material; and (B) a functional material adhered on the porous carbon material, and has a specific surface area of 10 m/g or greater as determined by the nitrogen BET method and a pore volume of 0.1 cm/g or greater as determined by the BJH method and MP method. 111.-. (canceled)12. A porous carbon material composite comprising:{'sup': 2', '3, '(A) a porous carbon material obtainable from a plant-derived material having a silicon content of 5 wt % or higher as a raw material, the porous carbon material composite having a specific surface area of 10 m/g or greater as determined by the nitrogen BET method and a pore volume of 0.1 cm/g or greater as determined by the BJH method and MP method; and'}(B) a functional material adhered on the porous carbon material, the functional material comprising an oxide semiconductor or a compound semiconductor.13. The porous carbon material composite according to claim 12 , wherein the functional material has a photocatalytic property.14. The porous carbon material composite according to claim 12 , wherein the functional material is titanium oxide or zinc oxide.159. The porous carbon material composite according to claim claim 12 , wherein the functional material is cadmium sulfide claim 12 , lead sulfide claim 12 , cadmium selenide claim 12 , lead selenide claim 12 , zinc selenide claim 12 , indium arsenide claim 12 , gallium arsenide claim 12 , indium phosphide claim 12 , gallium phosphide claim 12 , gallium antimonide claim 12 , indium antimonide claim 12 , or lanthanide oxide.16. The porous carbon material composite according to claim 12 , wherein the porous carbon material composite has a specific surface area of 50 m/g or ...

ADSORBENT PARTICLES, BASE PARTICLE, PACKED COLUMN, AND METHOD FOR RECOVERING RARE-EARTH ELEMENT

Adsorbent particles each containing: a carrier particle containing an organic polymer containing a monomer unit derived from a styrene-based monomer; a hydrophilic organic compound adhered to a surface of the carrier particle; and a diglycolic acid residue bonded to the hydrophilic organic compound. When a BET specific surface of the adsorbent particles as determined by adsorption of nitrogen gas is Xand a BET specific surface area of the adsorbent particles as determined by adsorption of water vapor is X, X/Xis 0.10 to 1.0. 1. Adsorbent particles , each comprising:a carrier particle comprising an organic polymer comprising a monomer unit derived from a styrene-based monomer;a hydrophilic organic compound adhered to a surface of the carrier particle; anda diglycolic acid residue bonded to the hydrophilic organic compound,{'sub': 0', '1', '1', '0, 'wherein when a BET specific surface area of the adsorbent particles as determined by adsorption of nitrogen gas is Xand a BET specific surface area of the adsorbent particles as determined by adsorption of water vapor is X, X/Xis 0.10 to 1.0.'}2. The adsorbent particles according to claim 1 , wherein the carrier particle is a porous polymer particle.3. The adsorbent particles according to claim 1 , wherein the hydrophilic organic compound is an amino group-containing polymer comprising a constituent unit having an amino group claim 1 , and the glycolic acid residue is bonded to the amino group.4. The adsorbent particles according to claim 3 , wherein a quantity of the amino group in the adsorbent particles is 0.1 to 100 mmol per 1 g of the adsorbent particles.5. The adsorbent particles according to claim 1 , wherein the adsorbent particles are configured to recover a rare earth element.6. Base material particles claim 1 , each comprising:a carrier particle comprising an organic polymer comprising a monomer unit derived from a styrene-based monomer; anda hydrophilic organic compound adhered to a surface of the carrier ...

FILTER MEDIA FOR RESPIRATORY PROTECTION

A filter media composition includes a ferrihydrite material having an average pore size (BJH) in a range from 1 to 3 nm and a surface area (BET) of at least 200 m/g or at least 250 m/g or at least 300 m/g. 1. A composition comprising:{'sup': '2', 'a Cu doped ferrihydrite material having an average pore size (BJH method) in a range from 1 to 3 nm and a surface area (BET) of at least 300 m/g.'}2. The composition according to claim 1 , wherein the doped ferrihydrite material has a molar ratio of iron:dopant in a range from 90:10 to 80:20.3. The composition according to claim 1 , wherein the doped ferrihydrite material includes dopant material comprising a metal such as Zn claim 1 , Ca claim 1 , Ti claim 1 , Mg claim 1 , Zr claim 1 , Mn claim 1 , Al claim 1 , Si claim 1 , Mo claim 1 , Ag or mixtures thereof.4. The composition according to claim 1 , wherein the doped ferrihydrite material includes dopant material being Zn.5. The composition according to claim 1 , wherein the doped ferrihydrite material are granules having a mesh size in a range from 12 to 50 U.S. standard sieve series.6. The composition according to claim 1 , wherein the doped ferrihydrite material are in a form of compression derived granules.7. The composition according to claim 1 , wherein the doped ferrihydrite material defines aggregate particles having a median largest lateral dimension in a range from 1 to 100 micrometers.8. The composition according to claim 1 , wherein the doped ferrihydrite material has a moisture content of less than 10% by wt.9. A method claim 1 , comprising:combining a hydrated iron (III) salt with a metal dopant salt comprising Cu to form a mixture;blending a bicarbonate material with the mixture to form a wet doped ferrihydrite material and salt co-product;drying the wet doped ferrihydrite material and salt co-product to a moisture content of less than 10% by wt or less than 5% by wt to form a dried doped ferrihydrite material and salt co-product;washing away the salt co- ...

SORBENT COMPOSITIONS FOR THE REMOVAL OF BORON FROM AQUEOUS MEDIUMS

A sorbent composition for the removal of boron and/or borates from a fluid such as an aqueous medium. The sorbent composition includes a base sorbent material having a high porosity and surface area, and a boron-selective agent. By using a boron-selective agent in conjunction with a high surface area base sorbent material such as activated carbon or biochar, a sorbent composition with a high capacity for sequestering boron and a relatively low cost is provided. The sorbent compositions are particularly useful for the sequestration of boron from waste materials such as coal combustion residual leachate (CCRs). 1. A sorbent composition comprising a base sorbent material and a boron-selective agent that is combined with the base sorbent material , where the boron-selective agent increases the removal of boron from an aqueous medium as compared to the untreated base sorbent material.2. The sorbent composition recited in claim 1 , wherein the base sorbent material has a total pore volume of at least about 0.10 cc/g.3. The sorbent composition recited in claim 1 , wherein the base sorbent material has a surface area of at least about 50 mg4. The sorbent composition recited in claim 1 , wherein the base sorbent material is selected from the group consisting of activated carbon claim 1 , biochar claim 1 , alumina claim 1 , silica claim 1 , clays claim 1 , and zeolites.5. The sorbent composition recited in claim 1 , wherein the base sorbent material comprises activated carbon.6. The sorbent composition recited in claim 1 , wherein the base sorbent material comprises biochar.7. The sorbent composition recited in claim 1 , wherein the boron-selective agent comprises a compound selected from the group of compounds comprising 1 claim 1 ,2 hydroxyl groups claim 1 , 1 claim 1 ,2 carboxyl groups claim 1 , 1 claim 1 ,2 carbonyl groups or combinations thereof.8. The sorbent composition recited in claim 7 , wherein the boron-selective agent comprises a compound selected from the group ...

Gas trapping member and vacuum heat insulation equipment

There is provided a gas trapping material and vacuum heat insulation equipment where the gas trapping material can be activated in a sealing step of the vacuum heat insulation equipment, and production efficiency can be enhanced by maintaining a high gas trapping characteristic even when a gas is released in a baking step or in a sealing step under an air atmosphere. The gas trapping material contains porous metal oxide and silver particles having an average particle size of 0.5 nm to 100 nm inclusive.

HYDRATED LIME PRODUCT

A hydrated lime product exhibiting superior reactivity towards HCl and SOin air pollution control applications. Also disclosed is a method of providing highly reactive hydrated lime and the resultant lime hydrate where an initial lime feed comprising calcium and impurities is first ground to a particle-size distribution with relatively course particles. Smaller particles are then removed from this ground lime and the smaller particles are hydrated and flash dried to form a hydrated lime, which is then milled to a significantly smaller particle size than that of the relatively course particles. The resultant lime hydrate product has available CaOH of greater than 92%, a citric acid reactivity of less than 20 seconds, a BET surface area greater than 18, a D90 less than 10 μm, a D50 less than 4 μm, a D90/D50 less than 3, and a large pore volume of greater than 0.2 BJH. 1. A method for producing hydrated lime , the method comprising:providing a calcium oxide; andhydrating said calcium oxide with water including an additive to produce a calcium hydroxide composition; a D50 particle size of less than 4 μm;', 'a D90 particle size of less than 10 μm;', {'sup': '2', 'a BET surface area greater than 18 m/g; and'}, 'a D90/D50 particle size ratio of less than 3., 'wherein said calcium hydroxide composition comprises at least 92% calcium hydroxide and said calcium hydroxide has2. The method of wherein said additive comprises an accelerator.3. The method of wherein said additive comprises an retarder.4. The method of wherein said additive comprises an alkaline-earth chloride.5. The method of wherein said additive includes at least one of: barium chloride claim 1 , calcium chloride claim 1 , sodium chloride claim 1 , potassium chloride claim 1 , or aluminum chloride.6. The method of wherein said additive comprises a salt.7. The method of wherein said additive includes at least one of: aluminum nitrate claim 1 , sodium carbonate claim 1 , sodium borate claim 1 , potassium ...

POLYMERIC SORBENTS FOR CARBON DIOXIDE

Polymeric sorbents for carbon dioxide are provided. More particularly, the polymeric sorbents are a reaction product of a divinylbenzene/maleic anhydride precursor polymeric material with a nitrogen-containing compound. The nitrogen-containing compound is covalently attached to the polymeric sorbents. Additionally, methods of sorbing carbon dioxide on the polymeric sorbents and compositions resulting from sorbing carbon dioxide on the polymeric sorbents are provided. The polymeric sorbents typically are porous and can selectively remove carbon dioxide from other gases such as methane or hydrogen. 1. A polymeric sorbent comprising a reaction product of (1) 8 to 40 weight percent maleic anhydride based on a total weight of monomers in the polymerizable composition;', '(2) 48 to 75 weight percent divinylbenzene based on the total weight of monomers in the polymerizable composition; and', '(3) 0 to 20 weight percent of a styrene-type monomer based on the total weight of monomers in the polymerizable composition, wherein the styrene-type monomer is styrene, an alkyl-substituted styrene, or a combination thereof; and, '(a) a precursor polymeric material comprising a polymerized product of a polymerizable composition comprising'}{'sub': '2', '(b) a nitrogen-containing compound that is selected from ammonia, a compound having a single primary amino group (—NH), or a compound having at least two amino groups of formula'}—NHR where R is hydrogen or alkyl,wherein the polymeric sorbent has a covalently attached nitrogen-containing group.2. The polymeric sorbent of claim 1 , wherein the polymeric sorbent has a BET specific surface area equal to at least 250 m/gram.3. The polymeric sorbent of claim 1 , wherein the polymerizable composition comprises 10 to 40 weight percent maleic anhydride claim 1 , 50 to 75 weight percent divinylbenzene claim 1 , and 1 to 20 weight percent styrene-type monomers.4. The polymeric sorbent of claim 1 , wherein the polymerizable composition comprises ...

POROUS POLYURETHANE NETWORKS AND METHODS OF PREPARATION

Nanoporous three-dimensional networks of polyurethane particles, e.g., polyurethane aerogels, and methods of preparation are presented herein. Such nanoporous networks may include polyurethane particles made up of linked polyisocyanate and polyol monomers. In some cases, greater than about 95% of the linkages between the polyisocyanate monomers and the polyol monomers are urethane linkages. To prepare such networks, a mixture including polyisocyanate monomers (e.g., diisocyanates, triisocyanates), polyol monomers (diols, triols), and a solvent is provided. The polyisocyanate and polyol monomers may be aliphatic or aromatic. A polyurethane catalyst is added to the mixture causing formation of linkages between the polyisocyanate monomers and the polyol monomers. Phase separation of particles from the reaction medium can be controlled to enable formation of polyurethane networks with desirable nanomorphologies, specific surface area, and mechanical properties. Various properties of such networks of polyurethane particles (e.g., strength, stiffness, flexibility, thermal conductivity) may be tailored depending on which monomers are provided in the reaction. 129-. (canceled)30. A method of making a carbon network , comprising:combining a polyisocyanate, a polyol, a solvent, and a catalyst to form a gel;drying the gel to form a polyurethane network, said polyurethane network exhibiting a fibrous morphology; andpyrolyzing the polyurethane network to form the carbon network.31. The method of claim 30 , wherein the drying comprises subcritical drying.32. The method of claim 30 , wherein the drying comprises supercritical drying.33. The method of claim 30 , wherein the polyurethane network comprises an aromatic polymer comprising at least two aromatic rings with no more than one carbon between the aromatic rings.34. The method of claim 30 , wherein the polyisocyanate comprises at least two aromatic rings with no more than one carbon between the aromatic rings.35. The method of ...

Porous films comprising metal-organic framework materials

The present invention relates to porous films comprising (A) from 51 wt.-% to 99.9 wt.-% based on the total weight of the film of at least one porous metal-organic framework material, the material comprising at least one at least bidentate organic compound coordinated to at least one metal ion; (B) from 0.1 wt.-% to 49 wt.-% based on the total weight of the film of at least one fibrillated fluoropolymer, and (C) 0 wt.-% to 48.9 wt.-% based on the total weight of the film of an additive component. The invention further relates to a composition for preparing such a film and its use.

TRACE AND LOW CONCENTRATION CO2 REMOVAL METHODS AND APPARATUS UTILIZING METAL ORGANIC FRAMEWORKS

Embodiments of the present disclosure describe a device for removing COcomprising a gas flow inlet, a housing including a SIFSIX-3-Cu metal-organic framework (MOF) composition for sorbing and/or desorbing CO, and a gas flow outlet. Embodiments of the present disclosure describe an anesthetic system comprising one or more regeneratable cartridges for sorbing and/or desorbing CO, wherein each of the one or more regeneratable cartridge includes a metal-organic framework composition, wherein at least one of the regeneratable cartridges includes a SIFSIX-3-Cu MOF. Embodiments of the present disclosure describe an alkaline fuel cell comprising a catalyst layer including a SIFSIX-3-Cu MOF composition for sorbing and/or desorbing CO. 1. A device for removing CO , comprising:a gas flow inlet;{'sub': '2', 'a housing including a SIFSIX-3-Cu metal-organic framework (MOF) composition for sorbing and/or desorbing CO; and'}a gas flow outlet.2. The device of claim 1 , wherein the housing further includes one or more SIFSIX-n-M MOF compositions claim 1 , wherein n is at least 2 and M is a metal.3. The device of claim 2 , wherein the metal is selected from Cu claim 2 , Zn claim 2 , Co claim 2 , Mn claim 2 , Mo claim 2 , Cr claim 2 , Fe claim 2 , Ca claim 2 , Ba claim 2 , Cs claim 2 , Pb claim 2 , Pt claim 2 , Pd claim 2 , Ru claim 2 , Rh claim 2 , and Cd.4. The device of claim 2 , wherein n is 3.5. The device of claim 2 , wherein at least one of the SIFSIX-n-M MOF compositions includes a bidentate organic ligand.6. The device of claim 2 , where at least one of the SIFSIX-n-M MOF compositions includes a bidentate N-donor organic ligand.7. The device of claim 6 , wherein the bidentate N-donor organic ligand includes a cyclic moiety.8. The device of claim 2 , wherein at least one of the SIFSIX-n-M MOF compositions includes a pyrazine or dipryidilacetylene ligand.9. The device of claim 2 , wherein at least one of the SIFSIX-n-M MOF compositions is a SIFSIX-3-Zn MOF.10. An anesthetic ...

Functionalized Porous Organic Polymers for Olefin/Paraffin Separations

Compositions containing a porous organic polymer and a monovalent metal cation are provided for separation/purification of olefins and paraffins. The compositions can be stable and recyclable. The compositions can contain acidic functional group having monovalent metal cations associated therein. The monovalent metal cations can include Ag(I) and Cu(I), capable of strong cation-pi binding to ethylene and other olefins. The compositions can have a large surface area greater than about 20 m2/g. The compositions can be used to separate/purify mixtures of ethylene and ethane. The compositions can have an ethylene/ethane adsorption selectivity of about 20 to 500 at 296 K. Methods of making the compositions are provided. Methods can include synthesizing the porous organic polymer, grafting acidic functional groups onto the polymer, and cation exchange with a salt or acid of a monovalent metal cation. Methods of olefin/paraffin separation are provided capable of achieving purities over 99%. 1. A composition for olefin separation comprising a porous organic polymer (POP) having incorporated therein a plurality of monovalent metal cations.2. The composition of claim 1 , wherein the composition has an ethylene uptake capacity of 70 cmgto 200 cmgat 1 atm and 296 K.3. The composition of claim 1 , wherein the composition has an ethylene/ethane adsorption selectivity of 20 to 500 at 296 K.4. The composition of claim 1 , wherein the composition has an ethylene uptake capacity that is stable and recyclable.5. The composition of claim 1 , wherein the porous organic polymer is stable under basic conditions.6. The composition of claim 1 , wherein the porous organic polymer has a surface area from 20 m/g to 8 claim 1 ,000 m/g.7. The composition of claim 1 , wherein the porous organic polymer has a pore size from 5 angstroms to 500 angstroms.8. The composition of claim 1 , wherein the porous organic polymer comprises a monomer unit comprising an aryl moiety.9. The composition of claim 8 ...

Systems and methods for gas treatment

A system and process for the recovery of at least one halogenated hydrocarbon from a gas stream. The recovery includes adsorption by exposing the gas stream to an adsorbent with a lattice structure having pore diameters with an average pore opening of between about 5 and about 50 angstroms. The adsorbent is then regenerated by exposing the adsorbent to a purge gas under conditions which efficiently desorb the at least one adsorbed halogenated hydrocarbon from the adsorbent. The at least one halogenated hydrocarbon (and impurities or reaction products) can be condensed from the purge gas and subjected to fractional distillation to provide a recovered halogenated hydrocarbon.

High permeability composite magnesium silicate filter aids

A composite filter aid may include a silicate substrate and a precipitated magnesium silicate having a mole ratio of SiO 2 :MgO greater than about 1.0:1. A method for making a composite filter aid may include providing a silicate substrate, precipitating a magnesium silicate onto the silicate substrate to form a composite filter aid, wherein the mole ratio of SiO 2 :MgO of the magnesium silicate is greater than about 1.0:1. A method for filtering a non-aqueous liquid may include providing a non-aqueous liquid for filtering and filtering the non-aqueous liquid through a composite filter aid.

POROUS MATERIALS FOR SOLID PHASE EXTRACTION AND CHROMATOGRAPHY AND PROCESSES FOR PREPARATION AND USE THEREOF

The present invention provides porous materials for use in solid phase extractions and chromatography. In particular, the materials exhibit superior properties in the SPE analysis of biological materials. In certain aspects, the porous materials comprise a copolymer of a least one hydrophobic monomer and at least one hydrophilic monomer, wherein more than 10% of the BJH surface area of the porous material is contributed by pores that have a diameter greater than or equal to 200 Å, wherein said material has a median pore diameter of about 100 Å to about 1000 Å, or both. In some embodiments, the at least one hydrophilic monomer has a log P value of less than 0.5. In some embodiments, the at least one hydrophilic monomer is selected from 4-acryloymorphine, N-(3-methoxypropyl)acrylamide, N,N′-methylenebis(acrylamide), acrylonitrile, ethylene glycol dimethacrylate, methyl acrylate, 4-acetoxystyrene, 4-vinyl pyridine, or a boronic-acid-containing monomer, among others. 1. A porous material comprising a copolymer of a least one hydrophobic monomer and at least one hydrophilic monomer selected from 4-acryloymorphine , N-(3-methoxypropyl)acrylamide , N ,N′-methylenebis(acrylamide) , acrylonitrile , ethylene glycol dimethacrylate , methyl acrylate , 4-acetoxystyrene , 4-vinyl pyridine , or a boronic-acid-containing monomer , wherein more than 10% of the BJH surface area of the porous material is contributed by pores that have a diameter greater than or equal to 200 Å , wherein said material has a median pore diameter of about 100 Å to about 1000 Å , or both.2. A porous material comprising a copolymer of a least one hydrophobic monomer and at least one hydrophilic monomer having a log P value of less than 0.5 , wherein more than 10% of the BJH surface area of the porous material is contributed by pores that have a diameter greater than or equal to 200 Å , wherein said material has a median pore diameter of about 100 Å to about 1000 Å , or both.3. The porous material of claim 1 ...

SORBENT ARTICLE

A sorbent article formed from a resin bonded sorbent composition and having a first volume of the resin bonded sorbent composition used to form the sorbent article and a first surface area equal to a first total area of exposed surfaces of the first volume, the sorbent article including a base having an exposed surface area including only flat surfaces, convex surfaces or combinations thereof, at least one of: a protrusion extending from the exposed surface area of the base; and/or, a partial bore extending into the exposed surface area of the base, a capacity ratio of the first volume to a second volume greater than or equal to 0.5 and an uptake rate ratio greater than or equal to 2.0, wherein the uptake rate ratio is calculated according to the equation: 2. The sorbent article of claim 1 , wherein the second volume is a three dimensional shape selected from the group consisting of: a convex regular polyhedron claim 1 , a prism claim 1 , a cylinder claim 1 , a sphere claim 1 , an ellipsoid claim 1 , a cone claim 1 , and a pyramid.3. The sorbent article of further comprising a cylindrical base and at least one protrusion extending from the cylindrical base.4. The sorbent article of further comprising a sidewall extending generally perpendicularly from a circumferential edge of the cylindrical base.5. The sorbent article of wherein the at least one protrusion tapers from a first end to a second end proximate the cylindrical base.6. The sorbent article of further comprising a cylindrical base and at least one partial bore extending into the exposed surface area of the base.7. The sorbent article of wherein the at least one partial bore comprises a cross sectional shape selected from the group consisting of: a circle claim 6 , a polygon claim 6 , and a star claim 6 , and the at least one partial bore tapers from a first end to a second end.8. The sorbent article of wherein the uptake rate ratio is greater than or equal to 3.0.9. The sorbent article of wherein the ...

POROUS INORGANIC/ORGANIC HYBRID PARTICLES HAVING HIGH ORGANIC CONTENT AND ENHANCED PORE GEOMETRY FOR CHROMATOGRAPHIC SEPARATIONS

Novel particles and materials for chromatographic separations, processes for preparation and separations devices containing the chromatographic particles and materials are provided by the instant invention. In particular, the invention provides a porous inorganic/organic hybrid particle, wherein the inorganic portion of the hybrid particle is present in an amount ranging from about 0 molar % to not more than about 49 molar %, wherein the pores of the particle are substantially disordered. The invention also provides a porous inorganic/organic hybrid particle, wherein the inorganic portion of the hybrid particle is present in an amount ranging from about 25 molar % to not more than about 50 molar %, wherein the pores of the particle are substantially disordered and wherein the particle has a chromatographically enhancing pore geometry (CEPG). Methods for producing the hybrid particles, separations devices comprising the hybrid particles and kits are also provided. 13-. (canceled)4. A porous inorganic/organic hybrid particle , comprising SiOin an amount ranging from about 0 molar to not more than about 25 molar % , wherein die pores of the particle are substantially disordered.59-. (canceled)10. The porous inorganic/organic hybrid particle of claim 4 , wherein the porous inorganic/organic hybrid particle has formula IV:{'br': None, 'sub': x', 'y', 'z, '(A)(B)(C)\u2003\u2003(IV),'}wherein the order of repeat units A, B, and C may be random, block, or a combination of random and block;A is an organic repeat unit which is covalently bonded to one or more repeat units A or B via an organic bond;B is an organosiloxane repeat unit which is bonded to one or more repeat units B or C via an inorganic siloxane bond and which may be further bonded to one or more repeat units A or B via an organic bond;C is an inorganic repeat unit which is bonded to one or more repeat units B or C via an inorganic bond; andx and y are positive numbers and z is a non negative number, wherein when ...

Superficially porous materials comprising a substantially nonporous core having narrow particle size distribution; process for the preparation thereof; and use thereof for chromatographic separations

Novel chromatographic materials for chromatographic separations, columns, kits, and methods for preparation and separations with a superficially porous material comprising a substantially nonporous core and one or more layers of a porous shell material surrounding the core. The material of the invention is comprised of superficially porous particles and a narrow particle size distrution. The material of the invention is comprised of a superficially porous monolith, the substantially nonporous core material is silica; silica coated with an inorganic/organic hybrid surrounding materia; a magnetic core material; a magnetic core material coated with silica; a high thermal conductivity core material; a high thermal conductivity core material coated with silica; a composite material; an inorganic/organic hybrid surrounding material; a composite material coated with silica; a magnetic core material coated with an inorganic/organic hybrid surrounding material; or a high thermal conductivity core material coated with an inorganic/organic hybrid surrounding material.

SOLID NANOCOMPOSITE MATERIAL BASED ON HEXA- OR OCTACYANOMETALLATES OF ALKALI METALS, METHOD FOR PREPARING SAME, AND METHOD FOR EXTRACTING METAL CATIONS

Solid nanocomposite material comprising nanoparticles of a hexacyanometallate or octacyanometallate of an alkali metal and of a transition metal, of formula [Alk]M[M′(CN)] in which Alk is an alkali metal, x is 1 or 2, M is a transition metal, n is 2 or 3, M′ is a transition metal, m is 6 or 8, z is 3 or 4, attached to at least one surface of a porous inorganic solid support, in which the nanoparticles are attached by adsorption to the at least one surface of the solid support, and in which the surface is a basic surface. Method for preparing this material. Method for extracting at least one metal cation from a liquid medium containing it, wherein the liquid medium is brought into contact with the material. 1. Solid nanocomposite material comprising nanoparticles of a hexacyanometallate or octacyanometallate of an alkali metal , and of a transition metal , having formula [Alk]M[M′(CN)] where Alk is an alkali metal , x is 1 or 2 , M is a transition metal , n is 2 or 3 , M′ is a transition metal , m is 6 or 8 , z is 3 or 4 , attached to at least one surface of a solid inorganic porous support , wherein the nanoparticles are attached by adsorption to said at least one surface of the solid support , and wherein said surface is a basic surface.2. The material according to claim 1 , wherein the material has a nanoparticles content of 1 mass % to 20 mass % claim 1 , preferably 10 mass % relative to the mass of the solid support.3. The material according to claim 1 , wherein Mis Fe claim 1 , Ni claim 1 , Fe claim 1 , Co claim 1 , Cuor Zn.4. The material according to claim 1 , wherein M′ is Fe or Feor Co claim 1 , and m is 6; or else M′ is Mo claim 1 , and m is 8.5. The material according to claim 1 , wherein Alk is Li claim 1 , Na or K claim 1 , preferably Alk is K.6. The material according to claim 1 , wherein [M′(CN)] is [Fe(CN)] claim 1 , [Fe(CN)] claim 1 , [Co(CN)] or [Mo(CN)].7. The material according to claim 1 , wherein the Mcations are Ni claim 1 , Cu claim 1 , Fe or ...

Zeolite adsorbent based on mesoporous zeolite

The present invention relates to a zeolite adsorbent having an external surface area of between 20 m 2 ·g −1 and 70 m 2 ·g −1 , a mesopore volume (V meso ) of less than or equal to 0.20 cm 3 ·g −1 , and a content of non-zeolite phase (NZP) of less than or equal to 6%, and in which at least one of its dimensions is greater than or equal to 30 μm. The invention also relates to the process for preparing said zeolite materials in agglomerated form and to the uses thereof for gas-phase or liquid-phase separation operations.

Metal-organic frameworks

The present invention relates to compounds capable of forming metal-organic frameworks (MOFs), particularly f-block metal MOFs which selectively sorb one component (e.g. para-xylene) from a mixture of components (e.g. m-/p-xylene mixture). The invention also relates to methods of producing and using said compounds.

Organosilica materials and uses thereof

Organosilica materials, which are a polymer of at least one independent monomer of Formula [Z 1 OZ 2 OSiCH 2 ] 3 (I), wherein each Z 1 and Z 2 independently represent a hydrogen atom, a C 1 -C 4 alkyl group or a bond to a silicon atom of another monomer and at least one other trivalent metal oxide monomer are provided herein. Methods of preparing and processes of using the organosilica materials, e.g., for catalysis etc., are also provided herein.

CHROMATOGRAPHIC MATERIALS

In one aspect, the present invention provides a chromatographic stationary phase material for various different modes of chromatography represented by Formula 1: [X](W)(Q)(T)(Formula 1). X can be a high purity chromatographic core composition having a surface comprising a silica core material, metal oxide core material, an inorganic-organic hybrid material or a group of block copolymers thereof. W can be absent and/or can include hydrogen and/or can include a hydroxyl on the surface of X. Q can be a functional group that minimizes retention variation over time (drift) under chromatographic conditions utilizing low water concentrations. T can include one or more hydrophilic, polar, ionizable, and/or charged functional groups that chromatographically interact with the analyte. Additionally, b and c can be positive numbers, with the ratio 0.05≤(b/c)≤100, and a≥0. 262-. (canceled)63. The chromatographic stationary phase material of claim 1 , wherein the chromatographic stationary phase material is in the form of a plurality of particles.64. The chromatographic stationary phase material of claim 1 , wherein the chromatographic stationary phase material is in the form of a monolith.65. The chromatographic stationary phase material of claim 1 , wherein the chromatographic stationary phase material is in the form of a superficially porous material.66. The chromatographic stationary phase material of claim 1 , wherein the chromatographic stationary phase material has chromatographically enhancing pore geometry.67. The chromatographic stationary phase material of claim 63 , wherein the plurality of particles have sizes between about 1.5 and 5 microns.68. The chromatographic stationary phase material of claim 1 , wherein the chromatographic stationary phase material has a surface area of about 25 to 1100 m/g.69. The chromatographic stationary phase material of claim 1 , wherein the chromatographic stationary phase material has a pore volume of about 0.2 to 2.0 cm/g.70. The ...

Biochar

The invention provides for methods, devices, and systems for pyrolyzing biomass. A pyrolysis unit can be used for the pyrolysis of biomass to form gas, liquid, and solid products. The biomass materials can be selected such that an enhanced biochar is formed after pyrolysis. The biomass can be pyrolyzed under specified conditions such that a selected biochar core is formed. The pyrolysis process can form a stable biochar core that is inert and/or resistant to degradation. The biochar or biochar core can be functionalized to form a functionalized biochar or functionalized biochar core. Functionalization can include post-pyrolysis treatments such as supplementation with microbes or physical transformations including annealing and/or activation.

ADSORBENTS AND METHODS OF MAKING AND USING ADSORBENTS

An adsorbent composition having a bismuth material on a support containing at least one of a metal oxide, a metalloid oxide or an activated carbon and methods of making and using the same. The adsorbent composition is useful for adsorbing arsine from a fluid stream. 1. An adsorbent composition , comprising:a bismuth material on a support, the support comprising at least one of a metal oxide, a metalloid oxide or an activated carbon; andan arsenic material.2. The adsorbent composition of claim 1 , wherein the bismuth material is selected from a group consisting of elemental bismuth and a bismuth compound.3. The adsorbent composition of claim 1 , wherein the bismuth material comprises a bismuth oxide.4. (canceled)5. (canceled)6. The adsorbent composition of claim 3 , wherein the bismuth oxide is bismuth (III) oxide (BiO).7. The adsorbent composition of claim 1 , wherein the support comprises the metal oxide.8. The adsorbent composition of claim 7 , wherein the metal oxide is a high surface area metal oxide.9. The adsorbent composition of claim 7 , wherein the metal oxide is selected from a group consisting of a titanium oxide claim 7 , a cerium oxide claim 7 , an aluminum oxide claim 7 , a silicon oxide claim 7 , zirconium oxide claim 7 , magnesium oxide claim 7 , zeolites claim 7 , activated carbon and mixtures thereof.10. The adsorbent composition of claim 7 , wherein the metal oxide comprises titanium dioxide.11. (canceled)12. The adsorbent composition of claim 7 , further comprising silicon dioxide (SiO).13. The adsorbent composition of claim 1 , wherein the arsenic material is selected from a group consisting of elemental arsenic and an arsenic-containing compound.14. The adsorbent composition of claim 1 , wherein the adsorbent composition comprises a lead content of about 5% by mass or less.15. The adsorbent composition of claim 1 , wherein the adsorbent composition is lead-free.16. The adsorbent composition of claim 1 , comprising about 0.01% to about 20% by ...

CHROMATOGRAPHIC MATERIAL AND METHODS FOR THE SYNTHESIS THEREOF

A particulate material for chromatographic use comprising silica particles is provided having a skeleton structure containing silsesquioxane cage moieties. The material is useful as a chromatographic material, for example in HPLC. The silica particles may be hybrid organo-silica particles wherein the silsesquioxane moieties comprise a cage structure having silicon atoms positioned at corners of the cage wherein one or more silicon atoms positioned at the corners of the cage carry an organic group. A preferred method of preparing the particulate material comprises hydrolysing a silsesquioxane as a co-component of a hydrolysis mixture, especially in a Stöber or modified Stöber process. 1. A liquid chromatography stationary phase comprising:silica particles formed via co-condensation of a Si moiety of an alkoxysilane with a silsesquioxane moiety in a presence of a surfactant, a water, an organic solvent, and a base,in which the silsesquioxane moiety has a cage structure,in which the silica particles include Si-silsesquioxane-Si linkages,in which the silica particles comprise an internal structure and a surface,in which the silsesquioxane moieties are contained in the internal structure of the silica particles via the Si-silsesquioxane-Si linkages, andin which the silica particles are configured to be packed into a chromatography column.2. The liquid chromatography stationary phase of claim 1 , wherein the silica particles are hybrid organo-silica particles claim 1 , wherein the cage structure of the silsesquioxane moieties comprise silicon atoms positioned at corners of the cage structure claim 1 , wherein one or more of the silicon atoms positioned at the corners of the cage structure include an organic group.3. The liquid chromatography stationary phase of claim 2 , wherein the organic group is a hydrocarbon group.4. The liquid chromatography stationary phase of claim 2 , wherein the hybrid organo silica particles have a formula selected from the group consisting of: ...

FUNGICIDE, PHOTO CATALYTIC COMPOSITE MATERIAL, ADSORBENT, AND DEPURATIVE

Disclosed herein is a fungicide, including: a porous carbon material; and a silver member adhered to the porous carbon material, wherein a value of a specific surface area based on a nitrogen BET, namely 1. A photo catalytic composite material comprising:a porous carbon material; anda photo catalytic material adhered to said porous carbon material,{'sup': 2', '3, 'wherein a value of a specific surface area based at least in part on a nitrogen BET method is greater than or equal to 10 m/g, and a volume of a fine pore based at least in part on a BJH method and an MP method is greater than or equal to 0.1 cm/g.'}2. The photo catalytic composite material according to claim 1 , wherein said photo catalytic material absorbs an energy of a light having a wavelength between 200 to 600 nm.3. The photo catalytic composite material according to claim 1 , further comprising a titanium oxide doped either with a cation or with an anion.4. The photo catalytic composite material according to claim 3 , wherein the cation includes at least one of a chromium ion claim 3 , an iron ion claim 3 , a silver ion claim 3 , a platinum ion claim 3 , a copper ion claim 3 , a tungsten ion claim 3 , or claim 3 , a cobalt ion and a nickel ion.5. The photo catalytic composite material according to claim 1 , wherein silicon oxide is removed away from the porous carbon material.6. The photo catalytic composite material according to claim 1 , wherein the porous carbon material has a distribution of fine pores with a peak in a range of 3 to 20 nm.7. The photo catalytic composite material according to claim 1 , wherein the porous carbon material includes silicon.8. A depurative obtained from the photo catalytic composite material according to .9. A depurative claim 1 , comprising:a porous carbon material; andan organic material adhered to said porous carbon material,{'sup': 2', '3, 'wherein a value of a specific surface area based on a nitrogen BET method is equal to or greater than 10 m/g, and a volume ...

Method for storing oxygen absorbing agent

The method for storing an oxygen absorbing agent according to the present invention comprises: providing an oxygen absorbing agent comprising a metal, the metal having been obtained by subjecting an alloy comprising (A) at least one transition metal selected from the group consisting of iron, cobalt, nickel and copper and (B) aluminum to treatment with a basic aqueous solution to elute and remove at least a part of the aluminum (B), the oxygen absorbing agent having a specific surface area of at least 10 m 2 /g as measured by a BET method; and immersing the oxygen absorbing agent in an aqueous solution containing a chelating agent to store the oxygen absorbing agent.

Processes for recovering lithium values from lithium-containing brines

Producing high purity lithium solution from a lithium source containing dissolved Na+, Ca2+, and Mg2+, by: passing the source into and out of a bed of sorbent composed of hydrated alumina intercalated with LiX, preferably LiCl, to extract lithium from the lithium source into the sorbent; washing the bed of sorbent with dilute aqueous LiCl to remove lithium from the sorbent to obtain a lithium eluent of increased Li+ concentration; subjecting this eluent to nanofiltration to produce a lithium permeate from which Ca2+, Mg2+, and other nanofilterable components are concurrently removed, yielding a permeate solution with 25% or less, and a retentate solution with 75% or more Ca2+ and Mg2+, as compared to the eluent from washing; and subjecting the permeate solution to a particular forward osmosis yielding a solution having 13,000-25,000 ppm dissolved lithium. Specified optional steps and new features can be used to increase lithium concentrations and purity.

Monolithic Natural Gas Storage Delivery System Based on Sorbents

The invention provides methods for producing a strong, light, sorbent-based storage/dispenser system for gases and fuels. The system comprises a porous monolithic material with an adherent strong impervious skin that is capable of storing a gas under pressure in a safe and usable manner.

Hybrid ion exchange material and method for making the same

A high capacity hybrid ion exchange material with enhanced ability to selectively remove molecular (organics) and anionic (fluoride ion and oxyanions of phosphorus and arsenic) species from drinking water, industrial streams, and wastes, for applications predominantly in the medical and food industries.

Porous polyurethane networks and methods of preparation

Nanoporous three-dimensional networks of polyurethane particles, e.g., polyurethane aerogels, and methods of preparation are presented herein. Such nanoporous networks may include polyurethane particles made up of linked polyisocyanate and polyol monomers. In some cases, greater than about 95% of the linkages between the polyisocyanate monomers and the polyol monomers are urethane linkages. To prepare such networks, a mixture including polyisocyanate monomers (e.g., diisocyanates, triisocyanates), polyol monomers (diols, triols), and a solvent is provided. The polyisocyanate and polyol monomers may be aliphatic or aromatic. A polyurethane catalyst is added to the mixture causing formation of linkages between the polyisocyanate monomers and the polyol monomers. Phase separation of particles from the reaction medium can be controlled to enable formation of polyurethane networks with desirable nanomorphologies, specific surface area, and mechanical properties. Various properties of such networks of polyurethane particles (e.g., strength, stiffness, flexibility, thermal conductivity) may be tailored depending on which monomers are provided in the reaction.

Metal oxide coated diatomite aggregate and use thereof as adsorbent and fertilizer

The present invention relates to a calcined diatomite aggregate coated with metal oxides, more specifically to a diatomite aggregate having a diameter larger than 2 mm.