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Космические корабли и станции, автоматические КА и методы их проектирования, бортовые комплексы управления, системы и средства жизнеобеспечения, особенности технологии производства ракетно-космических систем

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Мониторинг СМИ и социальных сетей. Сканирование интернета, новостных сайтов, специализированных контентных площадок на базе мессенджеров. Гибкие настройки фильтров и первоначальных источников.

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27-08-2009 дата публикации

АППАРАТ ДЛЯ ПОЛУЧЕНИЯ КАТАЛИЗАТОРА

Номер: RU0000086116U1
Автор: Меленевская Елена Юрьевна, Надеждина Лидия Борисовна, Шаманин Валерий Владимирович
Принадлежит: Учреждение Российской академии наук Институт высокомолекулярных соединений РАН

1. Аппарат для получения катализатора, содержащий реакционную камеру, емкость с теплообменной жидкостью, нагревательный элемент, измеритель температуры и контейнеры с исходными компонентами, отличающийся тем, что он снабжен дополнительной реакционной камерой, камерой-смесителем, соединенной с дополнительной реакционной камерой с фильтром, и с емкостью, заполненной дистиллированной водой, сообщенной с сушильной вакуум-камерой, при этом указанные дополнительные камеры оснащены контейнерами с дополнительными исходными компонентами. 2. Аппарат по п.1, отличающийся тем, что в качестве исходных компонентов, заполняющих контейнеры, используют концентрированные соляную, азотную кислоты; порошкообразную платину; 0,5N HCl; углеродное нановолокно; карбонат натрия; гидразин гидрат; дистиллированную воду. РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (13) 86 116 U1 (51) МПК B01J 23/00 B01J 27/00 (2006.01) (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ, ПАТЕНТАМ И ТОВАРНЫМ ЗНАКАМ (12) ОПИСАНИЕ ПОЛЕЗНОЙ МОДЕЛИ К ПАТЕНТУ (21), (22) Заявка: 2009104216/22, 09.02.2009 (24) Дата начала отсчета срока действия патента: 09.02.2009 (45) Опубликовано: 27.08.2009 (73) Патентообладатель(и): Учреждение Российской академии наук Институт высокомолекулярных соединений РАН (RU) U 1 8 6 1 1 6 R U Ñòðàíèöà: 1 ru CL U 1 Формула полезной модели 1. Аппарат для получения катализатора, содержащий реакционную камеру, емкость с теплообменной жидкостью, нагревательный элемент, измеритель температуры и контейнеры с исходными компонентами, отличающийся тем, что он снабжен дополнительной реакционной камерой, камерой-смесителем, соединенной с дополнительной реакционной камерой с фильтром, и с емкостью, заполненной дистиллированной водой, сообщенной с сушильной вакуум-камерой, при этом указанные дополнительные камеры оснащены контейнерами с дополнительными исходными компонентами. 2. Аппарат по п.1, отличающийся тем, что в качестве исходных компонентов, заполняющих контейнеры, используют концентрированные ...

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Номер записи: 1
12-01-2012 дата публикации

Olefin production process

Номер: US20120010453A1
Автор: Kenji Fujiwara, Masayasu Ishibashi, Terunori Fujita, Tsuneyuki Ohkubo
Принадлежит: Mitsui Chemicals Inc

A novel olefin production process is provided which can be established as an industrial and practical process capable of producing olefins by directly reacting a ketone and hydrogen in a single reaction step. In particular, a novel olefin production process is provided in which propylene is obtained with high selectivity by directly reacting acetone and hydrogen. The olefin production process according to the present invention includes reacting a ketone and hydrogen in the presence of at least one dehydration catalyst and a silver-containing catalyst, and the at least one dehydration catalyst is selected from metal oxide catalysts containing a Group 6 element, zeolites, aluminas and heteropoly acid salts in which part or all the protons in heteropoly acids are exchanged with metal cations.

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Номер записи: 2
19-01-2012 дата публикации

Nanoparticular metal oxide/anatase catalysts

Номер: US20120014854A1
Автор: Anders Riisager, Andreas Jonas Kunov-Kruse, Rasmus Fehrmann, Soren Birk Rasmussen, Steffen Buss Kristensen
Принадлежит: Danmarks Tekniskie Universitet

The present invention concerns a method of preparation of nanoparticular metal oxide catalysts having a narrow particle size distribution. In particular, the invention concerns preparation of nanoparticular metal oxide catalyst precursors comprising combustible crystallization seeds upon which the catalyst metai oxide is co-precipitated with the carrier metal oxide, which crystallization seeds are removed by combustion in a final calcining step. The present invention also concerns processes wherein the nanoparticular metal oxide catalysts of the invention are used, such as SCR (deNOx) reactions of nitrogen oxides with ammonia or urea as reductant, oxidations of alcohols or aldehydes with dioxygen or air to provide aldehydes, ketones or carboxylic acids, and photocatalytic oxidation of volatile organic compounds (VOCs).

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Номер записи: 3
15-03-2012 дата публикации

Process For Producing Catalyst For Methacrylic Acid Production And Process For Producing Methacrylic Acid

Номер: US20120065427A1
Автор: Atsushi Sudo, Fumio Sakai, Hideki Sugi, Hiroyoshi Nowatari, Kazuo Shiraishi, Tatsuhiko Kurakami, Tomoaki Kobayashi
Принадлежит: Nippon Kayaku Co Ltd

An object of the present invention is to provide a process for stably producing a catalyst for methacrylic acid production exhibiting high activity and high performance. The process for producing a catalyst for methacrylic acid production of the invention is characterized in that the water content of the catalyst ingredient powder for use in molding, temperature and humidity of a molding step, humidity and temperature of a baking step are individually controlled in the case where molding is performed by a coating method using an Mo—V—P—Cu-based hetero polyacid as an active ingredient and water or an alcohol and/or an aqueous solution of an alcohol as a binder.

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Номер записи: 4
15-03-2012 дата публикации

Process for producing 2,3,3,3-tetrafluoropropene

Номер: US20120065437A1
Автор: Daniel C. Merkel, Haiyou Wang, Hsueh S. Tung, Konstantin A. Pokrovski
Принадлежит: Honeywell International Inc

The instant invention relates to a process and method for manufacturing 2,3,3,3-tetrafluoropropene by dehydrohalogenating a reactant stream of 2-chloro-1,1,1,2-tetrafluoropropane that is substantially free from impurities, particularly halogenated propanes, propenes, and propynes.

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Номер записи: 5
22-03-2012 дата публикации

Catalyst and method for partially oxidizing hydrocarbons

Номер: US20120071671A1
Автор: Andrey Karpov, Christine Deißler, Cornelia Katharina Dobner, Frank Rosowski, Hartmut Hibst, Nadine Brem, Stephan Schunk
Принадлежит: BASF SE

The invention relates to a catalyst for partially oxidizing hydrocarbons in the gas phase, containing a multi-metal oxide of the general formula (I), AgaMObVcMdOe.f H2O (I), wherein M stands for at least one element selected from among Li, Na, K, Rb, Cs, Be, Mg, Ca, Sr, Ba, B, Al, Ga, In, Si, Sn, Pb, P, Sb, Bi, Y, Ti, Zr, Hf, V, Nb, Ta, Cr, W, Mn, Re, Fe, Ru, Os, Co, Rh, Ir, Ni, Pd, Pt, Cu, Au, Zn, Cd, La, Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, Lu, and U, a has a value of 0.5 to 1.5, b has a value of 0.5 to 1.5, c has a value of 0.5 to 1.5, a+b+c has the value 3, d has a value of less than 1, e means a number that is determined by the valence and frequency of the elements other than oxygen in the formula (I), f has a value of 0 to 20, which multi-metal oxide exists in a crystal structure, the X-ray powder diffractogram of which is characterized by diffraction reflections at a minimum of 5 lattice distances selected from among d=4.53, 3.38, 3.32, 3.23, 2.88, 2.57, 2.39, 2.26, 1.83, 1.77 AA (+−0.04 AA).

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Номер записи: 6
10-05-2012 дата публикации

Method for producing carbon materials having nitrogen modification starting from carbon nanotubes

Номер: US20120111737A1
Автор: Benno Ulfik, Egbert Figgemeier, Elisabeth Zillner
Принадлежит: BAYER TECHNOLOGY SERVICES GMBH

The invention relates to a novel process for producing carbon materials which are modified at least on their surface with pyridinic, pyrrolic and/or quaternary nitrogen groups starting out from carbon nanotubes.

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Номер записи: 7
10-05-2012 дата публикации

Process for producing fuel cell catalyst, fuel cell catalyst obtained by production process, and uses thereof

Номер: US20120115064A1
Автор: Kenichiro Ota, Ryuji Monden, Takuya Imai, Toshikazu Shishikura, Yasuaki Wakizaka
Принадлежит: Showa Denko KK

It is an object of the present invention to provide a production process which can produce a fuel cell catalyst having excellent durability and high oxygen reducing activity. The process for producing a fuel cell catalyst including a metal-containing oxycarbonitride of the present invention includes a grinding step for grinding the oxycarbonitride using a ball mill, wherein the metal-containing oxycarbonitride is represented by a specific compositional formula; balls in the ball mill have a diameter of 0.1 to 1.0 mm; the grinding time using the ball mill is 1 to 45 minutes; the rotating centrifugal acceleration in grinding using the ball mill is 2 to 20 G; the grinding using the ball mill is carried out in such a state that the metal-containing oxycarbonitride is mixed with a solvent containing no oxygen atom in the molecule; and when the ball mill is a planetary ball mill, the orbital centrifugal acceleration mill is 5 to 50 G.

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Номер записи: 8
07-06-2012 дата публикации

Removal of light fluoroalkanes from hydrocarbon streams

Номер: US20120142792A1
Автор: Kenneth A. BOATENG, Marc-Andre Poirier
Принадлежит: ExxonMobil Research and Engineering Co

The removal of fluoroalkanes from fluoroalkane-containing hydrocarbon streams, preferably C 3 to C 5 hydrocarbon streams. The fluoroalkane-containing hydrocarbon stream is contacted with an adsorbent containing a strong acid function, preferably a silica gel or a strong cation ion-exchange resin having sulfonic acid functionality.

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Номер записи: 9
28-06-2012 дата публикации

Conversion of ethanol to a reaction product comprising 1-butanol using hydroxyapatite catalysts

Номер: US20120165577A1
Автор: Paul Joseph Fagan, Ronald James Davis, Ronnie Ozer, Thomas G. Calvarese
Принадлежит: EI Du Pont de Nemours and Co

Catalytic processes to produce a reaction product comprising 1-butanol by contacting a reactant comprising ethanol with a catalyst composition under suitable reaction conditions are provided. The catalyst composition may comprise a hydroxyapatite of the Formula (M w M′ x M″ y M′″ z ) 5 (PO 4 ) 3 (OH), wherein M is Mg; M′ is Ca; M″ is Sr; M′″ is Ba; w is any number between 0 and 1 inclusive; x is any number from 0 to less than 0.5; y is any number between 0 and 1 inclusive; z is any number between 0 and 1 inclusive; and w+x+y+z=1. Base-treated catalyst compositions may be used. Also provided are processes for contacting an initial catalyst composition comprising the hydroxyapatite with a base to produce a base-treated catalyst composition, and the base-treated catalyst compositions so obtained.

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Номер записи: 10
28-06-2012 дата публикации

Compositions comprising 1,1,1,2,3-pentafluoropropane or 2,3,3,3- tetrafluoropropene

Номер: US20120165578A1
Автор: Barry Asher Mahler, Jeffrey P. Knapp, Mario Joseph Nappa
Принадлежит: EI Du Pont de Nemours and Co

Disclosed are compositions comprising HFC-245 eb and at least one additional compound selected from the group consisting of HFO-1234 ze , HFC-245 fa , HFC-236 cb , HFC-236 ea , HFC-236 fa , HFC-227 ea , HFC-227 ca , HFO-1225 yc , HFO-1225 zc , HFO-1225 ye , methane, ethane, propane, HFC-23, HFC-143 a , HFC-134, HFC-134 a , FC-1216, HFO-1234 yf , HFC-254 eb , HFO-1243 zf , and HFC-254 fb . Compositions comprising HFC-245 eb are useful in processes to make HFO-1234 yf . Also disclosed are compositions comprising HFO-1234 yf and at least one additional compound selected from the group consisting of HFO-1234 ze , HFC-254 eb , HFC-254 fb , HFO-1243 zf , HFCHFC-245 eb , HFC-245 fa , HFC-245 cb , HFC-236 cb , HFC-236 ea , HFC-236 fa , HFC-227 ea , HFC-227 ca , HFO-1225 yc , HFO-1225 zc , HFO-1225 ye , methane, ethane, propane, HFC-23, HFC-134, HFC-134 a , HFO-1132 a and FC-1216. Compositions comprising HFO-1234 yf are useful as heat transfer compositions for use in refrigeration, air-conditioning and heat pump systems.

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Номер записи: 11
05-07-2012 дата публикации

Hydroprocessing catalysts and methods for making thereof

Номер: US20120172199A1
Автор: Bruce Edward Reynolds, Joseph V. Nguyen, Julie Chabot, Ling Jiao, Shuwu Yang
Принадлежит: Chevron USA Inc

An improved process to make a slurry catalyst for the upgrade of heavy oil feedstock is provided. In the process, at least a metal precursor feedstock is portioned and fed in any of the stages: the promotion stage; the sulfidation stage; or the transformation stage of a water-based catalyst precursor to a slurry catalyst. In one embodiment, the promoter metal precursor feedstock is split into portions, the first portion is for the sulfiding step, the second portion is for the promotion step; and optionally the third portion is to be added to the transformation step in the mixing of the sulfided promoted catalyst precursor with a hydrocarbon diluent to form the slurry catalyst. In another embodiment, the Primary metal precursor feedstock is split into portions.

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Номер записи: 12
12-07-2012 дата публикации

Method for preparing a multi-metal catalyst having an optimized site proximity

Номер: US20120178979A1
Автор: Herve Cauffriez, Priscilla Avenier, Sylvie Lacombe
Принадлежит: IFP Energies Nouvelles IFPEN

The invention concerns a process for preparing a catalyst comprising at least one metal M from the platinum group, tin, a phosphorus promoter, a halogenated compound, a porous support and at least one promoter X1 selected from the group constituted by gallium, indium, thallium, arsenic, antimony and bismuth. The promoter or promoters X1 and the phosphorus are introduced during one or more sub-steps a1) or a2), the sub-step a1) corresponding to synthesis of the precursor of the main oxide and sub-step a2) corresponding to shaping the support. The tin is introduced during at least one of sub-steps a1) and a2). The product is dried and calcined before depositing at least one metal M from the platinum group. The ensemble is then dried in a stream of neutral gas or a stream of gas containing oxygen, and then is dried. The invention also concerns the use of a catalyst obtained by said process in catalytic reforming or aromatics production reactions.

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Номер записи: 13
02-08-2012 дата публикации

Oxidation catalyst, reduction catalyst, and catalyst for purging exhaust gas

Номер: US20120196743A1
Автор: Hideo Kameyama, Seizo Miyata, Yu Guo
Принадлежит: Nisshinbo Holdings Inc

An oxidation catalyst containing a carbon material prepared by calcining a transition metal compound and a nitrogen-containing organic substance, or a transition metal compound, a nitrogen-containing organic substance, and a carbon compound not containing nitrogen, the oxidation catalyst oxidizing CO and/or a hydrocarbon.

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Номер записи: 14
16-08-2012 дата публикации

Hydroprocessing Catalyst Prepared with Waste Catalyst Fines and Its Use

Номер: US20120205290A1
Автор: Alexei Grigorievich Gabrielov, Ed Ganja, Salvatore Philip Torrisi
Принадлежит: Shell Oil Co

A hydroprocessing catalyst composition that comprises a shaped support that is formed from a mixture of inorganic oxide powder and catalyst fines and wherein the shaped support has incorporated therein at least one metal component, a chelating agent and a polar additive. The hydroprocessing catalyst composition is prepared by incorporating into the shaped support a metal component, a chelating agent and a polar additive. The hydroprocessing catalyst composition has particular application in the catalytic hydroprocessing of petroleum derived feedstocks.

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Номер записи: 15
16-08-2012 дата публикации

Method and System For the Selective Oxidative Decarboxylation of Fatty Acids

Номер: US20120209049A1
Автор: Alexander Wurthmann, Bryan J. Holmes
Принадлежит: University of Vermont and State Agricultural College

Selective, radically initiated oxidative decarboxylation may produce low viscosity renewable fuels from biologically derived fats and oils. Fatty acids and triglycerides may be decarboxylated using oxidants at a water/oil interface. The oxidants may be produced using photo-Fenton reagents. The reaction advantageously can be carried out at room temperature and pressure and has fewer unwanted byproducts than traditional decarboxylation techniques.

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Номер записи: 16
20-09-2012 дата публикации

Method for recovering polyoxoanion compound

Номер: US20120237427A1
Автор: Junichi Nishimoto, Masayoshi Murakami
Принадлежит: Sumitomo Chemical Co Ltd

A method for recovering a polyoxoanion compound from an aqueous solution containing the polyoxoanion compound which comprises the following steps: Step (1): a step of mixing an organic solvent capable of forming a complex with the above-mentioned polyoxoanion compound with the above-mentioned aqueous solution followed by separating to a first phase containing the above-mentioned polyoxoanion compound and the above-mentioned organic solvent, and a second phase, Step (2): a step of mixing a hydrophobic organic solvent with the above-mentioned first phase followed by separating to an organic phase containing the above-mentioned organic solvent and the above-mentioned hydrophobic organic solvent, and an aqueous phase containing the above-mentioned polyoxoanion compound.

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Номер записи: 17
27-09-2012 дата публикации

Hydrated Niobium Oxide Nanoparticle Containing Catalysts for Olefin Hydration

Номер: US20120245397A1
Автор: Abdennour Bourane, Stephan Ralf Vogel, Wei Xu
Принадлежит: Saudi Arabian Oil Co

An olefin hydration catalyst and method for producing same is provided. The olefin hydration catalyst can be prepared by contacting a niobium containing compound with a strong Bronsted acid, such as sulfuric or phosphoric acid, to produce niobium oxo sulfate or niobium oxo phosphate nanoparticles. The nanoparticles can be separated, dried and utilized in a reactor for the hydration of olefins to their corresponding alcohols.

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Номер записи: 18
04-10-2012 дата публикации

Dispersed metal sulfide-based catalysts

Номер: US20120252660A1
Автор: Bruno Solari, Carmen Elena López de Rivas, Francisco Granadillo, Guaicaipuro Rivas, Jose Cordova, Luis Zacarias, Roger Marzin
Принадлежит: Intevep SA

The invention provides a catalyst composition, which includes an emulsion of an aqueous phase in an oil phase, wherein the aqueous phase comprises an aqueous solution containing a group 6 metal and a group 8, 9 or 10 metal. The metals can be provided in two separate emulsions, and these emulsions are well suited for treating hydrocarbon feedstocks.

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Номер записи: 19
04-10-2012 дата публикации

Conditioning of double metal cyanide catalysts

Номер: US20120253005A1
Автор: Achim Loeffler, Igor Shishkov, Ronald Adelmann, Sirus Zarbakhsh, Wolfgang Rohde
Принадлежит: BASF SE

The invention relates to a method for conditioning double metal catalysts which are used in the production of polyether polyols. The conditioning enhances the performance of the catalyst, so that lower concentrations of the DMC catalyst can be used in polyether polyol production.

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Номер записи: 20
11-10-2012 дата публикации

Production of lower olefins from synthesis gas

Номер: US20120259026A1
Автор: Hirsa Maria Torres Galvis, Johannes Hendrik Bitter, Krijn Pieter De Jong
Принадлежит: NEDERLANDSE ORGANISATIE VOOR WETENSCHAPPELIJK ONDERZOEK (NWO), Netherlands Organisation for Scientific Research (Advanced Chemical Technologies for Sustainability)

Disclosed is a process for the production of lower olefins by the conversion of a feed stream comprising carbon monoxide and hydrogen, and catalysts as used therein, such as a Fischer-Tropsch process. By virtue of the invention, lower olefins can be formed from synthesis gas, with high selectivity, and low production of methane. The catalysts used herein comprise an α-alumina support, and a catalytically active component that comprises iron-containing particles dispersed onto the support in at least 1 wt. %. The majority of the iron-containing particles is in direct contact with the α-alumina and is well-distributed thereon. Preferably, the iron-containing particles have an average particle size below 30 nm, and most preferably below 10 nm. The supported catalysts not only show a high selectivity, but also a high catalyst activity and chemical and mechanical stability.

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Номер записи: 21
25-10-2012 дата публикации

In situ radio frequency catalytic upgrading

Номер: US20120267095A1
Автор: Francis E. Parsche, Joe D. Allison, Lisa Jean PATTON, Victor Hernandez, Wayne Reid DREHER
Принадлежит: ConocoPhillips Co, HARRIS CORP

The present invention relates to a method and system for enhancing in situ upgrading of hydrocarbon by implementing an array of radio frequency antennas that can uniformly heat the hydrocarbons within a producer well pipe, so that the optimal temperatures for different hydroprocessing reactions can be achieved.

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Номер записи: 22
01-11-2012 дата публикации

Emulsion process for improved large spherical polypropylene catalysts

Номер: US20120277090A1
Автор: Michael Donald Spencer, Neil O'Reilly
Принадлежит: BASF Corp

Disclosed are spherical magnesium-based catalyst supports and methods of using the same in a Ziegler-Natta catalyst system for the polymerization of an olefin. The spherical magnesium-based catalyst supports are made by reacting a magnesium halide, a haloalkylepoxide, and a phosphate acid ester in an organic solvent that does not have to contain substantial amounts of toluene.

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Номер записи: 23
22-11-2012 дата публикации

Oil and polar additive impregnated composition useful in the catalytic hydroprocessing of hydrocarbons, a method of making such catalyst, and a process of using such catalyst

Номер: US20120295786A1
Автор: Alexei Grigorievich Gabrielov, John Anthony Smegal
Принадлежит: Shell Oil Co

A composition that comprises a support material having incorporated therein a metal component and impregnated with both hydrocarbon oil and a polar additive. The composition that is impregnated with both hydrocarbon oil and polar additive is useful in the hydrotreating of hydrocarbon feedstocks, and it is especially useful in applications involving delayed feed introduction whereby the composition is first treated with hot hydrogen, and, optionally, with a sulfur compound, prior to contacting it with a hydrocarbon feedstock under hydrodesulfurization process conditions.

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Номер записи: 24
29-11-2012 дата публикации

Process for preparing an alkene

Номер: US20120302810A1
Автор: Stephen Roy Partington
Принадлежит: Individual

A process for the preparation of an alkene from an oxygenate comprising contacting a reactant feedstream comprising at least one oxygenate reactant and water with a supported heteropolyacid catalyst at a temperature of at least 170° C., wherein the process is initiated using a start-up procedure comprising the following steps: (i) heating the supported heteropolyacid catalyst to a temperature of at least 220° C.; (ii) maintaining the heat-treated supported heteropolyacid catalyst of step (i) at a temperature of at least 220° C. for a time sufficient to remove bound water from the heteropolyacid component of the supported heteropolyacid catalyst; and (iii) whilst maintaining the supported heteropolyacid catalyst of step (ii) at a temperature of at least 220° C., contacting the supported heteropolyacid catalyst with the reactant feedstream having a temperature of at least 220° C.

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Номер записи: 25
20-12-2012 дата публикации

Hydrothermal hydrocatalytic treatment of biomass

Номер: US20120317873A1
Автор: Glenn Charles Komplin, John Anthony Smegal, Joseph Broun Powell, Kimberly Ann Johnson
Принадлежит: Shell Oil Co

A method of hydrothermal hydrocatalytic treating biomass is provided. Lignocellulosic biomass is treated with a digestive solvent to form a pretreated biomass containing soluble carbohydrates. The pretreated biomass is contacted, with hydrogen at a temperature in the range of 150° C. to less than 300° C. in the presence of a pH buffering agent and a supported hydrogenolysis catalyst containing (a) sulfur, (b) Mo or W, and (c) Co, Ni or mixture thereof, incorporated into a suitable support, to form a plurality of oxygenated hydrocarbons.

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Номер записи: 26
27-12-2012 дата публикации

Method for preparing acrolein from glycerol or glycerine

Номер: US20120330049A1
Автор: Benjamin Katryniok, Franck Dumeignil, Mickael Capron, Sebastien Paul
Принадлежит: Adisseo France SAS, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE CNRS, Universite De Lille 1 Sciences Et Technologies

The invention relates to a method for preparing acrolein from glycerol or glycerin, according to which dehydration of glycerol or glycerin is carried out in the presence of a catalyst which consists in at least one silica modified with zirconium dioxide, titanium dioxide or tungsten trioxide or any combination of these oxides, and a heteropolyacid. This method may be used for making 3-(methylthio)propionic aldehyde (MMP), 2-hydroxy-4-methylthiobutyronitrile (HMBTN), methionine or its analogs, from acrolein.

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Номер записи: 27
10-01-2013 дата публикации

Cathode Catalyst Layer, Manufacturing Method Thereof and Membrane Electrode Assembly

Номер: US20130011764A1
Автор: Haruna Kurata, Hiroyuki Morioka, Kenichiro Oota, Saori Okada
Принадлежит: Toppan Printing Co Ltd

According to the present invention, it is possible to improve the use ratio of active sites in a catalyst having oxygen reduction activity so as to provide a cathode catalyst layer and MEA for a fuel cell with high a level of power generation performance. The present invention includes a process of introducing a functional group into a surface of the catalyst 13 which has oxygen reduction activity and a process of blending the catalyst 13 with the functional group on the surface together with an electron conductive material and a proton conductive polymer electrolyte to prepare a catalyst ink for forming the cathode catalyst layer for the fuel cell.

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Номер записи: 28
17-01-2013 дата публикации

Reforming catalyst and process

Номер: US20130015103A1
Автор: Mark Paul Lapinski, Paul Barger
Принадлежит: UOP LLC

One exemplary embodiment can be a catalyst for catalytic reforming of naphtha. The catalyst can have a noble metal including one or more of platinum, palladium, rhodium, ruthenium, osmium, and iridium, a lanthanide-series metal including one or more elements of atomic numbers 57-71 of the periodic table, and a support. Generally, an average bulk density of the catalyst is about 0.300-about 0.620 gram per cubic centimeter, and an atomic ratio of the lanthanide-series metal:noble metal is less than about 1.3:1. Moreover, the lanthanide-series metal can be distributed at a concentration of the lanthanide-series metal in a 100 micron surface layer of the catalyst less than about two times a concentration of the lanthanide-series metal at a central core of the catalyst.

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Номер записи: 29
17-01-2013 дата публикации

Catalyst for glycerin dehydration, and process for producing acrolein, process for producing acrylic acid, and process for producing hydrophilic resin each using the catalyst

Номер: US20130018161A1
Автор: Masaki Okada, Takayuki Ezawa, Yoshitaka Arita
Принадлежит: NIPPON SHOKUBAI CO LTD

A catalyst for glycerin dehydration of the present invention comprises boron phosphate or a rare-earth metal phosphate, wherein a molar ratio P/B of phosphorus (P) to boron (B) or a molar ratio P/R of phosphorus (P) to a rare-earth metal (R) is more than 1.0 and 2.0 or less. An another catalyst for glycerin dehydration of the present invention comprises a combination of boron phosphate and a metal element or a combination of a rare-earth metal phosphate and a metal element other than a rare-earth metal, wherein a molar ratio M/(P+B) of a metal element (M) to phosphorus (P) and boron (B) or a molar ratio M/(P+R) of a metal element (M) to phosphorus (P) and a rare-earth metal (R) is more than 0.00005 and 0.5 or less.

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Номер записи: 30
17-01-2013 дата публикации

Frustrated Lewis Pair Compositions

Номер: US20130018207A1
Автор: Douglas W. Stephan, Gregory C. Welch, Preston A. Chase
Принадлежит: Stephan Consulting Corp

A compound having the formula (I) where each of R 1 , R 2 , R 3 and R 4 is independently C 6 -C 18 aryl-, C 5 -C 8 cycloalkyl-, C 6 -C 18 aryl having at least one C 1 -C 20 alkyl substituent, C 5 -C 8 cycloalkyl having at least one C 1 -C 20 alkyl sυbstituent, C 4 -C 20 branched alkyl-, C 16 -C 20 linear alkyl-, RO—, —NRR′, —PRR′, —SR, fluoro substituted forms thereof, and perfluoro forms thereof: and R 5 is C 6 -C 18 aryl-, C 5 -C 8 cycloalkyl-, C 6 -C 18 aryl having at least one C 1 -C 20 alkyl substituent, C 5 -C 8 cycloalkyl having at least one C 1 -C 20 alkyl substituent, C 3 -C 20 branched alkyl-, C 2 -C 30 linear alkyl-, fluoro substituted forms thereof, and perfluoro forms thereof; where R and R′ are each independently C 6 -C 18 aryl-, C 5 -C 8 cycloalkyl-, C 6 -C 18 aryl having at least one C 1 -C 20 alkyl substituent, C 5 -C 8 cycloalkyl having at least one C 1 -C 20 alkyl substituent, C 4 -C 20 branched alkyl-, C 2 -C 30 linear alkyl-, fluoro substituted forms thereof, and perfluoro forms thereof; A is N, P, S, or O with the proviso that when A is S, R 2 is a nullity; and M is B, Al, Ga or In.

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Номер записи: 31
28-02-2013 дата публикации

Semi continuous process for the synthesis of a catalyst for use in the manufacture of polyolefins

Номер: US20130053521A1
Автор: Kamlesh Singala, Saurabh Singh, Virendrakumar Gupta
Принадлежит: Reliance Industries Ltd

A semi-continuous process and system thereof, for the synthesis of a narrow particle size distribution Zeigler Natta procatalyst for use in the manufacture of polyolefins. The process comprises: (a) mixing a reaction mixture containing a titanium compound; (b) charging a first reactor with said reaction mixture; (c) removing excess reactants from said first reactor as a filtrate; (d) feeding said filtrate to at least one further reactor; and continuously removing excess reactants from said at least further reactor.

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Номер записи: 32
07-03-2013 дата публикации

Dehydrofluorination of pentafluoroalkanes to form tetrafluoroolefins

Номер: US20130060069A1
Автор: Benjamin Bin Chen, Maher Y. Elsheikh, Olga C.N. Keeley, Philippe Bonnet
Принадлежит: Arkema Inc

A method for producing a tetrafluoroolefin, such as 2,3,3,3-tetrafluoropropene (HFO-123434), comprises dehydrofluorinating a pentafluoroalkane in a gas phase in the presence of a catalyst comprising chromium oxyfluoride. In a preferred embodiment, 2,3,3,3-tetrafluoropropene (HFO-1234yf) is produced by forming a catalyst comprising chromium oxyfluoride by calcining CrF3?xH2O, where x is 1-10, in the presence of a flowing gas comprising nitrogen to form a calcined chromium oxyfluoride, and dehydrofluorinating 1,1,1,2,2-pentafluoropropane (HFC-245cb) in a gas phase in the presence of the catalyst to form the 2,3,3,3-tetrafluoropropene (HFO-1234yf).

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Номер записи: 33
14-03-2013 дата публикации

Pre-carburized molybdenum-modified zeolite catalyst and use thereof for the aromatization of lower alkanes

Номер: US20130066126A1
Автор: Suman Kumar Jana
Принадлежит: Saudi Basic Industries Corp

The present invention relates to a method for producing a zeolite catalyst useful for aromatization of a lower alkane, a zeolite catalyst useful for aromatization of a lower alkane obtainable by said method and a process for aromatization of a lower alkane using the zeolite catalyst of the present invention.

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Номер записи: 34
21-03-2013 дата публикации

AMORPHOUS TRANSITION METAL SULPHIDE FILMS OR SOLIDS AS EFFICIENT ELECTROCATALYSTS FOR HYDROGEN PRODUCTION FROM WATER OR AQUEOUS SOLUTIONS

Номер: US20130068613A1
Автор: HU Xile, Merki Daniel, Vrubel Heron
Принадлежит: ECOLE POLYTECHNIQUE FEDERALE DE LAUSANNE (EPFL)

The present invention relates to amorphous transition metal sulphides as electrocatalysts for hydrogen production from water or aqueous solutions and use thereof in electrodes and electrolysers. 1. Use of amorphous transition metal sulphide films or solids as electrocatalysts for the reduction of proton to form H.2. The use of amorphous transition metal sulphide films or solids of claim 1 , wherein the transition metal sulphide is of formula MS claim 1 , where M is the transition metal and x is in the range 1.5 to 3.5.3. The use of amorphous transition metal sulphide films or solids of claim 1 , wherein the transition metal is selected from the group comprising Mo claim 1 , W claim 1 , Fe claim 1 , Cr claim 1 , Cu claim 1 , Ni.4. The use of amorphous transition metal sulphide films or solids of claim 1 , wherein the transition metal sulphide is MoS claim 1 , MoS claim 1 , WSor WS.5. The use of amorphous transition metal sulphide films or solids of claim 1 , wherein the amorphous transition metal sulphide films or solids are further doped with at least one metal selected from the group comprising Ni claim 1 , Co claim 1 , Mn claim 1 , Cu claim 1 , Fe.6. The use of amorphous transition metal sulphide films or solids of claim 5 , wherein the amorphous transition metal sulphide films or solids are further doped with Ni.7. The use of amorphous transition metal sulphide films or solids of claim 1 , wherein His originated from water or aqueous solutions.8. An electrode for use in the production of hydrogen gas from water or aqueous solutions comprising an electrode substrate claim 1 , wherein the amorphous transition metal sulphide films or solids of are deposited on said electrode substrate.9. The electrode of claim 8 , wherein the amorphous transition metal sulphide films or solids are selected from the group comprising amorphous MoSfilm or solid claim 8 , amorphous MoSfilm or solid claim 8 , amorphous WSfilm or solid claim 8 , and amorphous WSfilm or solid.10. The ...

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Номер записи: 35
21-03-2013 дата публикации

FUEL REFORMER, SELECTIVE CO METHANATION METHOD, SELECTIVE CO METHANATION CATALYST, AND PROCESS FOR PRODUCING THE SAME

Номер: US20130071318A1
Автор: Chen Aihua, Higashiyama Kazutoshi, Miyao Toshihiro, Watanabe Masahiro, YAGI Kiyoshi, Yamashita Hisao
Принадлежит: UNIVERSITY OF YAMANASHI

Provided is a catalyst for fuel reformation that causes carbon monoxide contained in hydrogen gas, which is produced from a variety of hydrocarbon fuels, to react with hydrogen and thereby to be transformed into methane, while inhibiting methanation of carbon dioxide contained in the hydrogen gas. The selective CO methanation catalyst includes at least one of a halogen, an inorganic acid, and a metal oxo-acid adsorbed or bonded as a carbon dioxide reaction inhibitor to a carbon monoxide methanation active component. 1. A fuel reformer for producing hydrogen gas from a hydrocarbon fuel for supply to a fuel cell , comprising a selective CO methanation reactor for selectively transforming carbon monoxide in hydrogen gas under reformation containing carbon monoxide and carbon dioxide into methane , wherein;the selective CO methanation reactor includes a catalyst for selectively transforming carbon monoxide into methane, and wherein;the catalyst includes an oxide support with at least one of a noble metal and a transition metal supported thereon as an active component, and at least one of a halogen (excluding chlorine from chloride of the active metal), an inorganic acid (excluding hydrochloric acid, sulfuric acid, and nitric acid from inorganic acid salt of the active metal), and a metal oxo-acid (excluding molybdic acid, tungstic acid, perrhenic acid, and platinic acid), and a precursor, a reactant, and a decomposition product thereof adsorbed or bonded thereto as a carbon dioxide methanation reaction inhibitor.2. A fuel reformer for producing hydrogen gas from a hydrocarbon fuel for supply to a fuel cell , comprising a selective CO methanation reactor for selectively transforming carbon monoxide in hydrogen gas under reformation containing carbon monoxide and carbon dioxide into methane , wherein;the selective CO methanation reactor includes a catalyst for selectively transforming carbon monoxide into methane, and wherein;the catalyst includes an oxide support with at ...

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Номер записи: 36
21-03-2013 дата публикации

CATALYST CONTAINING OXYGEN TRANSPORT MEMBRANE

Номер: US20130072374A1
Автор: CHRISTIE GERVASE MAXWELL, Lane Jonathan A., WILSON Jamie R.
Принадлежит:

A composite oxygen transport membrane having a dense layer, a porous support layer and an intermediate porous layer located between the dense layer and the porous support layer. Both the dense layer and the intermediate porous layer are formed from an ionic conductive material to conduct oxygen ions and an electrically conductive material to conduct electrons. The porous support layer has a high permeability, high porosity, and a microstructure exhibiting substantially uniform pore size distribution as a result of using PMMA pore forming materials or a bi-modal particle size distribution of the porous support layer materials. Catalyst particles selected to promote oxidation of a combustible substance are located in the intermediate porous layer and in the porous support adjacent to the intermediate porous layer. The catalyst particles can be formed by wicking a solution of catalyst precursors through the porous support toward the intermediate porous layer. 1. A composite oxygen transport membrane , said composite oxygen transport membrane comprising:{'b': '20', 'a porous support layer comprised of an fluorite structured ionic conducting material having a porosity of greater than percent and a microstructure exhibiting substantially uniform pore size distribution throughout the porous support layer;'}an intermediate porous layer capable of conducting oxygen ions and electrons to separate oxygen from an oxygen containing feed, the intermediate porous layer applied adjacent to the porous support layer and comprising a mixture of a fluorite structured ionic conductive material and electrically conductive materials to conduct the oxygen ions and electrons, respectively;a dense layer capable of conducting oxygen ions and electrons to separate oxygen from an oxygen containing feed, the dense layer applied adjacent to the intermediate porous layer and also comprising a mixture of a fluorite structured ionic conductive material and electrically conductive materials to ...

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Номер записи: 37
04-04-2013 дата публикации

PHOTOCATALYST COMPOSITION OF MATTER

Номер: US20130082009A1
Автор: "OKeefe William", Sasges Michael
Принадлежит: TROJAN TECHNOLOGIES

There is described a photocatalyst composition of matter comprising a support material. A surface of the support material configured to comprise: (i) a first catalytic material for catalyzing the conversion of HO to Hand O, and (ii) a second catalytic material catalyzing reaction of hydrogen with a target compound. The photocatalyst composition of matter can be used to treat an aqueous fluid containing a target chemical compound, for example, by a process comprising the steps of: (i) contacting the aqueous fluid with the above-mentioned photocatalyst composition of matter; (ii) contacting the aqueous fluid with radiation during Step (i); (iii) catalyzing the conversion of water in the aqueous fluid to Hand Owith the first catalytic material; and (iv) catalyzing reaction of the target chemical compound in the aqueous fluid with hydrogen from Step (iii) in the presence of the second catalytic material to produce a modified chemical compound. 1. A photocatalyst composition of matter comprising a support material , a surface of the support material configured to comprise: (i) a first catalytic material for catalyzing the conversion of HO to Hand O , and (ii) a second catalytic material catalyzing reaction of hydrogen with a target compound.2. The photocatalyst composition of matter defined in claim 1 , wherein the second catalytic material catalyzes reaction of hydrogen with a target organic compound.37-. (canceled)8. The photocatalyst composition of matter defined in claim 1 , wherein the support material comprises a particulate support material.9. (canceled)10. The photocatalyst composition of matter defined in claim 1 , wherein the support material comprises a transition metal oxide having a band gap in the range of from about 1.23 to about 6.7 eV.1112-. (canceled)13. The photocatalyst composition of matter defined in claim 1 , wherein the support material comprises a non-photocatalytically active material.1418-. (canceled)19. The photocatalyst composition of matter ...

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Номер записи: 38
04-04-2013 дата публикации

Porous polymer supported polyoxometalates

Номер: US20130085191A1
Автор: Matthew Laskoski
Принадлежит: US Department of Navy

A composition for the destruction of chemical warfare agents and toxic industrial chemicals having a polyoxometalate (POM) attached to an amine, carboxylic acid, or ammonium substituted porous polymer. Also disclosed is a method for attaching a POM to an amine, carboxylic acid, or ammonium substituted porous polymer by (1) dissolving the POM in water or an organic solvent, adding the functionalized porous polymer, whereby the POM ionically attaches to the amine, carboxylic acid or ammonium group, or (2) heating the POM and functionalized polymer in the presence of a dehydrating agent whereby an imide bond is produced between the POM and the functionality on the porous polymer.

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Номер записи: 39
11-04-2013 дата публикации

Method for producing aromatic diphosphates

Номер: US20130090490A1
Автор: Hiroki Sato, Hiroshi Tsuji, Katsuichi Ohtsuki, Kiyoharu Hirao
Принадлежит: Daihachi Chemical Industry Co Ltd

A method for producing an aromatic diphosphate comprising: Step 1 which is a step where a specific aromatic monohydroxy compound having a steric hindrance group at ortho-positions is made to react with phosphorus oxyhalide in the presence of a Lewis acid catalyst and then the unreacted phosphorus oxyhalide is removed under a reduced pressure to give a specific; and Step 2 which is a step where the reaction product obtained in the above step is made to react with a specific aromatic dihydroxy compound in an amount of 0.5 mol to 1 mol of halogen contained in the reaction product in the presence of a Lewis acid catalyst to give a specific aromatic diphosphate.

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Номер записи: 40
25-04-2013 дата публикации

Catalyst for n-butane oxidation to maleic anhydride

Номер: US20130102455A1
Автор: Muin S. Haddad, Robert A. Gustaferro
Принадлежит: INEOS USA LLC

A process for the preparation of a promoted VPO catalyst, wherein the catalyst comprises the mixed oxides of vanadium and phosphorus and wherein the catalyst is promoted with at least one of niobium, cobalt, iron, zinc, molybdenum or titanium, said process comprising the steps of (i) preparing a VPO catalyst comprising vanadyl pyrophosphate as the major component and containing less than 5 wt % of vanadyl phosphate, (ii) contacting the VPO catalyst with a solution comprising a metal source compound of at least one metal selected from the group consisting of niobium, cobalt, iron, zinc, molybdenum or titanium to form a metal impregnated VPO catalyst, and (iii) drying the metal impregnated VPO catalyst to form the promoted VPO catalyst. In one embodiment, a niobium promoted VPO catalyst is prepared.

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Номер записи: 41
02-05-2013 дата публикации

Self-activating hydroprocessing catalyst and process for treating heavy hydrocarbon feedstocks

Номер: US20130105357A1
Автор: Opinder K. BHAN
Принадлежит: Shell Oil Co

A self activating catalyst for treating heavy hydrocarbon feedstocks that comprises a calcined particle comprising a co-mulled mixture made by co-mulling inorganic oxide powder, molybdenum trioxide powder, and a nickel compound and then forming the co-mulled mixture into a particle that is calcined to thereby provide the calcined particle. The self activating catalyst may be activated when it is contacted under suitable process conditions with a heavy residue feedstock having high nickel, vanadium and sulfur concentrations.

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Номер записи: 42
09-05-2013 дата публикации

DOPED MATERIAL

Номер: US20130115308A1
Автор: "OKEEFFE Cormac", Gannon Paul
Принадлежит:

A doped material comprises TiOand three non-metal dopants. The first non-metal dopant comprises sulfur, the second non-metal dopant comprises fluorine, and the third non-metal dopant comprises carbon. The sulfur dopant comprises a cationic dopant, the carbon dopant comprises a cationic dopant, and the fluorine dopant comprises an anionic dopant. The molar ratio of the TiOto the sulfur is approximately 99.75:0.25. The molar ratio of the TiOto the fluorine is approximately 99.1:0.9. The molar ratio of the TiOto the carbon is approximately 98.7:1.3. The material has a transparent, lateral growth crystalline atomic structure. The crystallite particle size is approximately 1 nm. The material is soluble to facilitate dissolving of the material in a solvent without requiring any dispersants to form a true solution. 1146-. (canceled)147. A photocatalytic doped material having a crystalline atomic structure comprising{'sub': '2', 'TiO;'}and two or more dopants;at least one of the dopants being a non-metal,the material being soluble to facilitate dissolving of the material in a polar solvent to form a true solution without any dispersants.148. A material as claimed in wherein substantially all of the TiOis in rutile phase.149. A material as claimed in wherein substantially all of the TiOis in anatase phase.150. A material as claimed in wherein the non-metal dopant is selected from the group comprising sulfur claim 147 , carbon claim 147 , nitrogen claim 147 , phosphorus claim 147 , fluorine claim 147 , chlorine claim 147 , bromine claim 147 , iodine claim 147 , selenium claim 147 , and astatine.151. A material as claimed in wherein the non-metal dopant comprises an anionic or cationic dopant.152. A material as claimed in wherein the material comprises at least two non-metal dopants preferably the material comprises at least three non-metal dopants.153. A material as claimed in wherein the first non-metal dopant comprises sulfur claim 152 , the second non-metal dopant ...

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Номер записи: 43
09-05-2013 дата публикации

METHOD FOR PRODUCING FUEL CELL CATALYST, FUEL CELL CATALYST, AND USES THEREOF

Номер: US20130115542A1
Автор: IMAI Takuya, Ota Kenichiro, Wakizaka Yasuaki
Принадлежит: SHOWA DENKO K.K.

A method for producing a fuel cell catalyst containing a metal oxycarbonitride, the method including: a step of producing a metal oxycarbonitride by heating a metal carbonitride in an inert gas containing oxygen gas; and a step of bringing the metal oxycarbonitride into contact with an acidic solution. 1. A method for producing a fuel cell catalyst containing a metal oxycarbonitride , the method comprising: a step of producing a metal oxycarbonitride by heating a metal carbonitride in an inert gas containing oxygen gas; anda step of bringing the metal oxycarbonitride into contact with an acidic solution.2. The method according to claim 1 , wherein the acidic solution is an aqueous solution of at least one type of acid selected from the group consisting of hydrogen chloride claim 1 , sulfuric acid claim 1 , citric acid claim 1 , and acetic acid.3. The method according to claim 1 , wherein the contacting step is performed under the following conditions:Temperature: 15 to 100° C.Time: 0.1 to 500 hoursAcid concentration: 0.01 to 15 N.4. A fuel cell catalyst produced via the production method according to claim 1 , wherein the metal oxycarbonitride at least comprises niobium or titanium.5. The fuel cell catalyst according to claim 4 , having not more than 15% by mass of dissolved metal content as defined by the following formula:{'br': None, 'Dissolved metal content=(mass of metal dissolved when immersing the fuel cell catalyst in a 1N sulfuric acid aqueous solution at 60° C. for 150 hours)/(mass of fuel cell catalyst before immersing)×100.'}6. A fuel cell catalyst layer comprising the fuel cell catalyst according to .7. The fuel cell catalyst layer according to claim 6 , further comprising electron conductive particles.8. An electrode comprising a fuel cell catalyst layer and a porous support layer claim 6 , wherein the fuel cell catalyst layer is the fuel cell catalyst layer according to .9. A membrane electrode assembly comprising a cathode claim 8 , an anode and an ...

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Номер записи: 44
09-05-2013 дата публикации

LOW TEMPERATURE SULFUR TOLERANT TAR REMOVAL WITH CONCOMITANT SYNTHESIS GAS CONDITIONING

Номер: US20130116345A1
Автор: Allison Joe D., Lusk Steven E., Pansare Sourabh S., Tsang Albert C.
Принадлежит: Phillips 66 Company

A catalyst comprising NiO, a metal mixture comprising at least one of MoO3 or WO3, a mixture comprising at least one of SiOand AlO, and PO. In this embodiment the metal sites on the catalyst are sulfided and the catalyst is capable of removing tar from a synthesis gas while performing methanation and water gas shift reactions at a temperature range from 300° C. to 600° C. 1. A catalyst comprising of:(a) NiO;{'sub': 3', '3, '(b) a metal mixture comprising of at least one of MoOor WO;'}{'sub': 2', '2', '3, '(c) a mixture comprising at least one of: SiOand AlO; and'}{'sub': 2', '5, '(d) PO,'}wherein the metal sites on the catalyst are sulfided and the catalyst is capable of removing tar from a synthesis gas while performing methanation and water gas shift reactions at a temperature range from 300° C. to 600° C.2. The catalyst of claim 1 , wherein the NiO is present from 1 to 10 wt %.3. The catalyst of claim 1 , wherein the metal mixture is present from 10 to 20 wt %.4. The catalyst of claim 1 , wherein the POis present from 0.001 to 1 wt %.5. The catalyst of claim 1 , wherein the synthesis gas is not heated prior to contacting with the catalyst.6. The catalyst of claim 1 , wherein the removal of tar is greater than 65% conversion at 350° C.7. The catalyst of claim 1 , wherein the removal of tar is greater than 70% conversion at 400° C.8. The catalyst of claim 1 , wherein the methanation produces from 150 to 800 μmol/g cat/s of CH.9. The catalyst of claim 1 , wherein the water gas shift produces from 30 to 50% CO conversion.10. A catalyst comprising of:(a) NiO present from 1 to 10 wt %;{'sub': '3', '(b) a metal mixture comprising of MoOfrom 10 to 20 wt %;'}{'sub': 2', '2', '3, '(c) a mixture comprising at least one of: SiOand AlO; and'}{'sub': 2', '5, '(d) POfrom 0.001 to 1 wt %,'}{'sub': '4', 'wherein the metal sites on the catalyst are sulfided and the catalyst is capable of removing tar, with greater than 65% conversion at 350° C., from an unheated synthesis gas ...

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Номер записи: 45
09-05-2013 дата публикации

CATALYST COMPOSITIONS FOR CONVERSION OF VEGETABLE OILS TO HYDROCARBON PRODUCTS IN THE DIESEL BOILING RANGE AND PROCESS OF PREPARATION THEREOF

Номер: US20130116488A1
Автор: GOKAK Dattatraya Tammannashastri, JOSE N., RAI Pragya, THOTA Chiranjeevi, Viswanathan Poyyamani Swaminathan
Принадлежит: BHARAT PETROLEUM CORPORATION LIMITED

The present invention relates to a catalyst composition for conversion of vegetable oils to hydrocarbon products in the diesel boiling range, comprising a porous support; Group III A or VA element in the range of 1-10 wt %; Group VI B elements in the range of 1 to 20 wt %; Group VIII B elements in range of 0.01 to 10 wt %. The present invention further provides the process for preparing the catalyst composition for conversion of vegetable oils to hydrocarbon products in the diesel boiling range. The present invention also provides the process for conversion of vegetable oils to hydrocarbon products in the diesel boiling range using the catalyst composition or discarded refinery spent hydro-treating catalyst. 1. A catalyst composition for conversion of vegetable oils to hydrocarbon products in the diesel boiling range comprising:(i) a porous support 85-95 wt %(ii) Group III A or VA elements in the range of about 1 to 10 wt %(iii) Group VI B elements in the range of about 1 to 20 wt %(iv) Group VIII B elements in range of about 0.01 to 10 wt %.2. The catalyst composition as claimed in claim 1 , wherein said porous support comprises at least 25% of aluminium oxide.3. The catalyst composition as claimed in claim 2 , wherein said porous support has unimodel pore size distribution in the range of about 20 to 250 Å; surface area in the range of about 200-250 m/g; bulk density in the range of about 0.80 to 0.85 g/cc; and pore volume in the range of about 0.5 to 0.8 cc/g.4. The catalyst composition as claimed in claim 1 , wherein said Group IIIA element is Boron in the range of about 1 to 10 wt % preferably about 1 to 5 wt %.5. The catalyst composition as claimed in claim 1 , wherein said Group VA element is Phosphorus about 1 to 10 wt % preferably 1 to 5 wt %.6. The catalyst composition as claimed in claim 1 , wherein said Group VIB element is Molybdenum in the range of about 10 to 15 wt % claim 1 , more preferably in the range of about 12 to 14 wt % or Tungsten preferably ...

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Номер записи: 46
16-05-2013 дата публикации

Silver vanadium phosphates

Номер: US20130123517A1
Автор: Andrey Karpov, Cornelia Katharina Dobner, Frank Rosowski, Gerhard Cox, Patrick HUBACH, Robert Glaum, Stephan Schunk
Принадлежит: BASF SE

The invention relates to novel silver vanadium phosphates, catalysts based on these silver vanadium phosphates and the use of these catalysts for carrying out organic reactions in the gas phase.

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Номер записи: 47
23-05-2013 дата публикации

EXHAUST GAS PURIFYING CATALYST

Номер: US20130129590A1
Автор: IMADA NAOMI, KAI KEIICHIRO, Kato Yasuyoshi
Принадлежит: BABCOCK-HITACHI KABUSHIKI KAISHA

To overcome the problem of a conventional catalyst and to provide an exhaust gas purifying catalyst that meets the requirement concerning Hg oxidation activity and SOoxidation activity; i.e., an exhaust gas purifying catalyst which specifically reduces percent SOoxidation, while maintaining percent Hg oxidation at a high level. 1. (canceled)2. An exhaust gas purifying method comprising exposing an exhaust gas containing a nitrogen oxide (NO) and metallic mercury (Hg) to a catalyst in the presence of ammonia as a reducing agent , to thereby perform reduction of NOcontained in the exhaust gas and oxidation of metallic mercury (Hg) contained in the exhaust gas;wherein the catalyst comprises a composition containing oxides of (i) titanium (Ti), (ii) molybdenum (Mo) and/or tungsten (W), (iii) vanadium (V), and (iv) phosphorus (P); and wherein the catalyst contains Ti, Mo and/or W, and V in atomic proportions of 85 to 97.5:2 to 10:0.5 to 10, and has an atomic ratio of P/(sum of V and Mo and/or W) of 0.5 to 1.5.3. (canceled)4. (canceled)5. (canceled)6. The method of claim 2 , wherein component (ii) consists of molybdenum (Mo).7. The method of claim 2 , wherein component (ii) consists of tungsten (W).8. The method of claim 2 , wherein component (ii) consists of molybdenum (Mo) and tungsten (W).9. The method of claim 2 , wherein the atomic ratio of P/(sum of V and Mo and/or W) of 0.7 to 1.2.10. The method of claim 2 , wherein the atomic ratio of P/(sum of V and Mo and/or W) of about 1.11. An exhaust gas purifying method comprising exposing an exhaust gas containing a nitrogen oxide (NO) and metallic mercury (Hg) to a catalyst in the presence of ammonia as a reducing agent claim 2 , to thereby perform reduction of NOcontained in the exhaust gas and oxidation of metallic mercury (Hg) contained in the exhaust gas;wherein the catalyst comprises a composition consisting of oxides of (i) titanium (Ti), (ii) molybdenum (Mo) and/or tungsten (W), (iii) vanadium (V), and (iv) ...

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Номер записи: 48
06-06-2013 дата публикации

EXHAUST GAS PURIFICATION CATALYST AND PRODUCTION METHOD THEREFOR, AND METHOD FOR PURIFYING NITROGEN OXIDE IN EXHAUST GAS

Номер: US20130142719A1
Автор: IMADA NAOMI, KAI KEIICHIRO, Kato Yasuyoshi
Принадлежит: BABCOCK-HITACHI KABUSHIKI KAISHA

An exhaust gas purification catalyst is made as a composition comprising titanium oxide (TiO), aluminum sulfate (Al(SO)), an oxide of vanadium (V), and an oxide of molybdenum (Mo) and/or tungsten (W), wherein on titanium oxide having sulfate ions and aluminum ions adsorbed thereon obtained by making contact with aluminum sulfate at more than 1 wt % and not more than 6 wt % relative to titanium oxide in the presence of water, an oxo acid salt of vanadium or a vanadyl salt and an oxo acid or an oxo acid salt of molybdenum and/or tungsten are supported in a proportion of more than 0 atom % and not more than 3 atom %, respectively. By this, the degradation of catalyst performance can be suppressed even with exhaust gas containing potassium compounds at a high concentration in combustion ash. 1. An exhaust gas purification catalyst having a composition comprising:{'sub': '2', 'titanium oxide (TiO);'}{'sub': 2', '4', '3, 'aluminum sulfate (Al(SO));'}an oxide of vanadium (V); andan oxide of molybdenum (Mo) and/or tungsten (W), whereinon titanium oxide having sulfate ions and aluminum ions adsorbed thereon obtained by making contact with aluminum sulfate at more than 1 wt % and not more than 6 wt % relative to titanium oxide in the presence of water, an oxo acid salt of vanadium or a vanadyl salt and an oxo acid or an oxo acid salt of molybdenum and/or tungsten are supported in a proportion of more than 0 atom % and not more than 3 atom %, respectively.2. A production method for an exhaust gas purification catalyst comprising titanium oxide (TiO) , aluminum sulfate (Al(SO)) , an oxide of vanadium (V) , and an oxide of molybdenum (Mo) and/or tungsten (W) , comprisingsupporting an oxo acid salt of vanadium or a vanadyl salt and an oxo acid or an oxo acid salt of molybdenum and/or tungsten in a proportion of more than 0 atom % and not more than 3 atom %, respectively, onto titanium oxide having sulfate ions and aluminum ions adsorbed thereon obtained by making contact with ...

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Номер записи: 49
06-06-2013 дата публикации

SUPPORTED NOBLE METAL CATALYST AND PROCESS FOR PREPARING THE SAME IN SITU

Номер: US20130143731A1
Автор: Feng Junting, Li Dianqing, Ma Xiaoyan
Принадлежит: Beijing University of Chemical Technology

A supported noble metal catalyst and a process for preparing the same in situ are provided. Hexamethylenetetramine, a soluble divalent metal salt solution, a AlOcarrier and a soluble noble metal salt solution, are mixed and crystallized, in which the hexamethylenetetramine acts as both a precipitating agent for producing hydrotalcite and a reducing agent for the noble metal precursor, and a supported catalyst Me-LDHs-AlOcontaining an elementary substance of a noble metal is prepared by a one-step reaction. During the growth of the hydrotalcite, Al on the surface layer of the AlOcarrier is directly used as the trivalent metal ion to form the slab structure of the hydrotalcite, and the hydrotalcite is grown in situ on the surface of the alumina carrier. The noble metal element particle in the catalyst has a particle size of 10 to 60 nm, and has an even and stable dispersion on or between slabs of the hydrotalcite. The calcination and reduction processes in the traditional production method are no longer required, and the reduced noble metal catalyst is obtained by a single step of a crystallization process, while the utilization ratio of the noble metal is high. 1. A supported noble metal catalyst , having a composition represented by the general formula:{'br': None, 'sub': 2', '3, 'Me-LDHs-AlO\u2003\u2003(I)'}wherein Me is a noble metal as the active component of the catalyst, and is Ru, Rh, Pd or Pt; the noble metal element particle in the catalyst has a particle size of 10 to 60 nm, with an even and stable dispersion on or between slabs of hydrotalcite (LDHs); and the hydrotalcite is grown in situ on the surface of an alumina carrier by taking advantage of the Al element in the alumina.2. The supported noble metal catalyst according to claim 1 , wherein the hydrotalcite (LDHs) has a chemical composition formula of [MAl(OH)](A).mHO claim 1 , wherein M is a divalent metal ion positioned on the main slabs claim 1 , and M is one or more of Mg claim 1 , Zn claim 1 , Ni ...

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Номер записи: 50
06-06-2013 дата публикации

PROCESS FOR PRODUCING OLEFIN OXIDE

Номер: US20130144074A1
Автор: Ohishi Yoshihiko, Senkan Selim, Seubsai Anusorn
Принадлежит: Sumitomo Chemical Company, Limited

A process for producing an olefin oxide which comprises reacting an olefin with oxygen in the presence of a catalyst comprising (a) ruthenium metal or a ruthenium oxide, (b) manganese oxide and (c) alkaline metal component or alkaline earth metal component. 1. A process for producing an olefin oxide which comprises reacting an olefin with oxygen in the presence of a catalyst comprising (a) ruthenium metal or a ruthenium oxide , (b) manganese oxide and (c) alkaline metal component or alkaline earth metal component.2. The process according to claim 1 , wherein the catalyst comprises (d) halogen component.3. The process according to or claim 1 , wherein the catalyst comprises (e) composite oxide.4. The process according to claim 1 , wherein (a) ruthenium metal or a ruthenium oxide claim 1 , (b) manganese oxide and (c) alkaline metal component or alkaline earth metal component are supported on a porous support.5. The process according to claim 2 , wherein (a) ruthenium metal or a ruthenium oxide claim 2 , (b) manganese oxide claim 2 , (c) alkaline metal component or alkaline earth metal component and (d) halogen component are supported on a porous support.6. The process according to or claim 2 , wherein the porous support comprises AlO claim 2 , SiO claim 2 , TiOor ZrO.7. The process according to or claim 2 , wherein the porous support comprises SiO.8. The process according to or claim 2 , wherein the total amount of (a) ruthenium metal or a ruthenium oxide claim 2 , (b) manganese oxide and (c) alkaline metal component or alkaline earth metal component is 0.01 to 80% by weight of the amount of the catalyst.9. The process according to or claim 2 , wherein the ruthenium/manganese metal molar ratio in the catalyst is 1/99 to 99/1.10. The process according to or claim 2 , wherein the ruthenium/(c) component molar ratio in the catalyst is 1/99 to 99/1.11. The process according to or claim 2 , wherein (a) copper oxide is CuO.12. The process according to or claim 2 , wherein ( ...

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Номер записи: 51
20-06-2013 дата публикации

Hydrodesulfurization catalyst for hydrocarbon oil, process of producing same and method for hydrorefining

Номер: US20130153467A1
Автор: Hiroyuki Seki, Masanori Yoshida, Shogo Tagawa, Tomoyasu Kagawa
Принадлежит: JGC Catalysts and Chemicals Ltd, JX Nippon Oil and Energy Corp

A hydrodesulfurization catalyst is produced by pre-sulfurizing a hydrodesulfurization catalyst Y including a support containing silica, alumina and titania and at least one metal component supported thereon and selected from VIA and VIII groups of the periodic table (comprising at least Mo), in which the total area of the diffraction peak area indicating the crystal structure of anatase titania (101) planes and the diffraction peak area indicating the crystal structure of rutile titania (110) planes in the support, measured by X-ray diffraction analysis being ¼ or less of the alumina diffraction peak area assigned to γ-alumina (400) planes. The molybdenum is formed into molybdenum disulfide crystal disposed in layers on the support by the pre-sulfurization, and having an average length of longer than 3.5 nm and 7 nm or shorter in the plane direction and an average number of laminated layers of more than 1.0 and 1.9 or fewer.

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Номер записи: 52
20-06-2013 дата публикации

DOPED-CARBON COMPOSITES, SYNTHESIZING METHODS AND APPLICATIONS OF THE SAME

Номер: US20130157838A1
Автор: Viswanathan Tito
Принадлежит: BOARD OF TRUSTEES OF THE UNIVERSITY OF ARKANSAS

A method of synthesizing a doped carbon composite includes preparing a solution having a carbon source material and a heteroatom containing additive, evaporating the solution to yield a plurality of powders, and subjecting the plurality of powders to a heat treatment for a duration of time effective to produce the doped carbon composite. 1. A method of synthesizing a doped carbon composite , comprising the steps of:(a) preparing a solution having a material containing tannin and an additive containing a doping chemical element;(b) evaporating the solution to yield a plurality of powders; and(c) subjecting the plurality of powders to a heat treatment for a duration of time effective to produce the doped carbon composite.2. The method of claim 1 , wherein the material containing the tannin is tannin sulfonate claim 1 , lignin claim 1 , lignosulfonate claim 1 , or a mixture thereof.3. The method of claim 1 , wherein the additive containing the doping chemical element is one containing oxygen (O) claim 1 , nitrogen (N) claim 1 , phosphorus (P) claim 1 , boron (B) claim 1 , sulfur (S) claim 1 , iodine (I) claim 1 , fluorine (F) claim 1 , silicon (Si) claim 1 , selenium (Se) claim 1 , germanium (Ge) claim 1 , or a mixture thereof.4. The method of claim 1 , wherein the heat treatment is performed at a temperature in a range of about 700° C. to about 1800° C.5. The method of claim 4 , wherein the duration of time effective is in a range of about 10 minutes to about 2 hours.6. The method of claim 1 , wherein the heat treatment is performed by subjecting the plurality of powders to a microwave radiation with a frequency of 2.45 GHz.7. The method of claim 1 , wherein the heat treatment is performed by a heat source other than a microwave radiation source.8. The method of claim 1 , further comprising the step of adding polyphosphoric acid to the plurality of powders prior to the subjecting step.9. An article of manufacture by the method of .10. A composite synthesized by ...

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Номер записи: 53
20-06-2013 дата публикации

NITRIDED MIXED OXIDE CATALYST SYSTEM AND A PROCESS FOR THE PRODUCTION OF ETHYLENICALLY UNSATURATED CARBOXYLIC ACIDS OR ESTERS

Номер: US20130158287A1
Автор: York Ian Andrew, Ziemian Sabina
Принадлежит: LUCITE INTERNATIONAL UK LIMITED

The invention relates to a method of producing an ethylenically unsaturated carboxylic acid or ester, preferably an α, β ethylenically unsaturated carboxylic acid or ester. The method includes contacting formaldehyde or a suitable source thereof with a carboxylic acid or ester in the presence of a catalyst and optionally in the presence of an alcohol. The catalyst comprises a nitrided metal oxide having at least two types of metal cations, Mand M, wherein Mis selected from the metals of group 2, 3, 4, 13 (called also IIIA) or 14 (called also IVA) of the periodic table and M2 is selected from the metals of groups 5 or 15 (called also VA) of the periodic table. The invention extends to a catalyst system. 1. A method of producing an ethylenically unsaturated carboxylic acid or ester , such as an α , β ethylenically unsaturated carboxylic acid or ester , comprising the steps of contacting formaldehyde or a suitable source thereof with a carboxylic acid or ester in the presence of a catalyst , wherein the catalyst comprises a nitrided metal oxide having at least two types of metal cations , Mand M , wherein Mis selected from the metals of group 2 , 3 , 4 , 13 (called also IIIA) or 14 (called also IVA) of the periodic table and Mis selected from the metals of groups 5 or 15 (called also VA) of the periodic table.2. A method according to claim 1 , wherein the nitrided metal oxide consists of two to four metal cations claim 1 , and oxygen and nitrogen anions.3. A method according to claim 1 , wherein the Mtype of metal is selected from one or more metals in the group consisting of:—Be claim 1 , Mg claim 1 , Ca claim 1 , Sr claim 1 , Ba claim 1 , Ra claim 1 , B claim 1 , Al claim 1 , Ga claim 1 , In claim 1 , Tl claim 1 , Sc claim 1 , Y claim 1 , La claim 1 , Ac claim 1 , Si claim 1 , Ge claim 1 , Sn claim 1 , Pb claim 1 , Ti claim 1 , Zr claim 1 , Hf and Rf.4. A method according to claim 1 , wherein the Mtype of metal is selected from one or more metals in the group ...

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Номер записи: 54
20-06-2013 дата публикации

MIXED MANGANESE FERRITE COATED CATALYST, METHOD OF PREPARING THE SAME, AND METHOD OF PREPARING 1,3-BUTADIENE USING THE SAME

Номер: US20130158325A1
Автор: Chung Young Min, Kim Ok Youn, Kim Tae Jin, Kwon Yong Tak, Oh Seung Hoon
Принадлежит: SK INNOVATION CO., LTD.

This invention relates to a method of preparing a mixed manganese ferrite coated catalyst, and a method of preparing 1,3-butadiene using the same, and more particularly, to a method of preparing a catalyst by coating a support with mixed manganese ferrite obtained by co-precipitation at 10˜40° C. using a binder and to a method of preparing 1,3-butadiene using oxidative dehydrogenation of a crude C4 mixture containing n-butene and n-butane in the presence of the prepared catalyst. This mixed manganese ferrite coated catalyst has a simple synthetic process, and facilitates control of the generation of heat upon oxidative dehydrogenation and is very highly active in the dehydrogenation of n-butene. 1. A method of preparing a mixed manganese ferrite coated catalyst for use in preparing 1 ,3-butadiene , comprising:a) co-precipitating a precursor aqueous solution comprising a manganese precursor and an iron precursor while being mixed in a basic solution, thus forming a co-precipitated solution;b) washing and filtering the co-precipitated solution, thus obtaining a solid sample which is then dried;c) mixing the dried solid sample, a binder and distilled water and an acid at a weight ratio of 1:0.5˜2:6˜12:0.3˜0.8 at room temperature, thus obtaining a mixture; andd) adding a support to the mixture obtained in c) and then performing blending and drying.2. The method of claim 1 , wherein amounts of the manganese precursor and the iron precursor are adjusted so that an atom ratio of iron/manganese is 2.0˜2.5.3. The method of claim 1 , wherein the precursor aqueous solution is co-precipitated while being mixed in a 1.5˜4.0 M basic solution at 10˜40° C.4. The method of claim 1 , wherein the drying in b) is performed at 70˜200° C.5. The method of claim 1 , wherein the drying in d) is performed at 50˜80° C.6. The method of claim 1 , further comprising heat treating the solid catalyst dried in d) at 350˜800° C.7. The method of claim 1 , wherein the dried solid sample claim 1 , the ...

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Номер записи: 55
27-06-2013 дата публикации

HETEROPOLY ACID PROMOTED CATALYST FOR SCR OF NOx WITH AMMONIA

Номер: US20130164205A1
Автор: Anders Riisager, Rasmus Fehrmann, Sankar Reddy Putluru Siva
Принадлежит: Danmarks Tekniskie Universitet

The present invention concerns the selective removal of nitrogen oxides (NOx) from gases. In particular, the invention concerns a process, a highly alkali metal resistant heteropoly acid promoted catalyst and the use of said catalyst for removal of NOx from exhaust or flue gases, said gases comprising alkali or earth alkali metals. Such gases comprise for example flue gases arising from the burning of biomass, combined biomass and fossil fuel, and from waste incineration units. The process comprises the selective catalytic reduction (SCR) of NOx, such as nitrogen dioxide (NO 2 ) and nitrogen oxide (NO) with ammonia (NH 3 ) or a nitrogen containing compound selected from ammonium salts, urea or a urea derivative or a solution thereof as reductant.

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Номер записи: 56
27-06-2013 дата публикации

OXIDATION CATALYST FOR MALEIC ANHYDRIDE PRODUCTION

Номер: US20130165671A1
Автор: SHAN Zhiping
Принадлежит: HUNTSMAN PETROCHEMICAL CORPORATION

A process for preparing a catalyst by selecting an active catalyst and contacting the active catalyst with one or more fluids containing an organic solvent or mixture of organic solvents. In one embodiment, each organic solvent has a dielectric constant within a range of about 5 to about 55 when measured at a temperature of 20° C. to 25° C. The catalyst thus prepared may be used in a process for preparing maleic anhydride. 1. A process for preparing a VPO catalyst comprising the steps of:{'sub': 2', '2', '7, '(i) selecting an active VPO catalyst comprising at least 90% by weight (VO)PObased on the weight of the catalyst; and'}(ii) contacting the active VPO catalyst with one or more fluids comprising an organic solvent.2. The process according to wherein the organic solvent has a dielectric constant within a range of about 5 to about 55 when measured at a temperature of 20° C. to 25° C.3. The process according to wherein the organic solvent has a dielectric constant within a range of about 10 to about 50 when measured at a temperature of 20° C. to 25° C.4. The process according to wherein the organic solvent is selected from the group consisting of methanol claim 1 , ethanol claim 1 , n-propanol claim 1 , n-butanol claim 1 , isopropanol claim 1 , isobutanol claim 1 , acetonitrile claim 1 , acetone claim 1 , methyl ethyl ketone claim 1 , DMF claim 1 , dimethyly sulfoxide claim 1 , tetrafuran claim 1 , ethylene glycol claim 1 , propylene glycol claim 1 , diethylene glycol claim 1 , dipropylene glycol claim 1 , 1 claim 1 ,4-butanediol claim 1 , glycerin and a mixture thereof.5. The process according to wherein contacting the active VPO catalyst with one or more fluids comprising an organic solvent comprises diffusing the organic solvent into the active VPO catalyst.6. The process according to wherein the active VPO catalyst further comprises a promoter.7. The process according to wherein contacting is carried out at a temperature within a range from room temperature to ...

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Номер записи: 57
04-07-2013 дата публикации

Photoactive Material Comprising Nanoparticles of at Least Two Photoactive Constituents

Номер: US20130168228A1
Автор: Ozin Geoffrey A., Redel Engelbert
Принадлежит:

A photoactive material including nanoparticles of photoactive first and second constituents. The first and second constituents have respective conduction band energies, valence band energies and electronic band gap energies to enable photon-driven generation and separation of charge carriers in each of the first and second constituents by absorption of light in the solar spectrum. The first and second constituents are provided in an alternating layered arrangement of respective first and second layers or are mixed together in a single layer. The nanoparticles have diameters smaller than wavelengths of light in the solar spectrum, to provide optical transparency for absorption of light. The charge carriers, upon photoactivation, are able to participate in redox reactions occurring in the photoactive material. The photoactive material may enable redox reactions of carbon dioxide with at least one of hydrogen and water to produce a fuel. 1. A photoactive material comprising:nanoparticles of at least one first photoactive constituent; andnanoparticles of at least one second photoactive constituent;the at least one first and second constituents each being selected to have respective conduction band energies, valence band energies and electronic band gap energies, to enable photon-driven generation and separation of charge carriers in each of the at least one first and second constituents by absorption of light in the solar spectrum;the nanoparticles of each of the at least one first and second constituents being mixed together to form a layer;the nanoparticles of each of the at least one first and second constituents having diameters smaller than wavelengths of light in the solar spectrum, to provide optical transparency for absorption of light; andwherein the charge carriers, upon photoactivation, are able to participate in redox reactions occurring in the photoactive material.2. A photoactive material comprising:nanoparticles of at least one first photoactive ...

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Номер записи: 58
04-07-2013 дата публикации

PHOTOCATALYST POWDER AND PRODUCTION METHOD THEREOF

Номер: US20130172175A1
Автор: KIM Jee Yong, PARK Rae Eun
Принадлежит: SAMSUNG ELECTRONICS CO., LTD.

Disclosed herein are photocatalyst powder and a production method thereof, and by having photocatalyst particles corn binded without reduction of a specific surface area, the reduction of the specific surface area is nearly none while the pores are developed, as well as the absorption rate with respect to light is superior, the method of producing photocatalyst powder includes forming initial photocatalyst powder by molding nanoparticles of photocatalyst substance into a certain shape through extrusion, and splitting the initial photocatalyst powder into a plurality of photocatalyst powder by injecting the initial photocatalyst powder into a predetermined splitting solution, the initial photocatalyst powder being split into the plurality of photocatalyst powder by the predetermined spliting solution. 1. A method of producing photocatalyst powder , comprising:forming an initial photocatalyst powder by molding nanoparticles of photocatalyst substance into a certain shape through extrusion; andsplitting the initial photocatalyst powder into a plurality of photocatalyst powder by injecting the initial photocatalyst powder into a predetermined splitting solution, the initial photocatalyst powder being split into the plurality of photocatalyst powder by the predetermined splitting solution.2. The method of claim 1 , further comprising:calcining the split photocatalyst powder at a predetermined temperature and at a predetermined pressure; andsintering the calcinated photocatalyst powder at a predetermined temperature and at a predetermined pressure.3. The method of claim 1 , wherein:the predetermined splitting solution is at least one selected from the group comprising amorphous solution, colloidal solution, distilled water and solution having visible ray inducing substance being at least one selected from the group comprising K, Mn and Na.4. The method of claim 1 , wherein:the predetermined splitting solution comprises amorphous solution having same substance as the ...

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Номер записи: 59
04-07-2013 дата публикации

Catalyst for producing unsaturated aldehyde and/or unsaturated carboxylic acid, and process for producing unsaturated aldehyde and/or unsaturated carboxylic acid using the catalyst

Номер: US20130172615A1
Автор: Naohiro Fukumoto, Tomoatsu Kawano, Yutaka Takahashi
Принадлежит: NIPPON SHOKUBAI CO LTD

Provided is a catalyst for production of unsaturated aldehyde and/or unsaturated carboxylic acid, which shows excellent mechanical strength and low attrition loss and is capable of producing the object product(s) at a high yield. The catalyst comprises a catalytically active component containing molybdenum, bismuth and iron as the essential ingredients, and inorganic fibers, and is characterized in that the inorganic fibers contain at least an inorganic fiber having an average diameter of at least 8 μm and another inorganic fiber having an average diameter not more than 6 μm.

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Номер записи: 60
04-07-2013 дата публикации

PROCESS FOR THE HYDROCONVERSION OF A LOW QUALITY HYDROCARBONACEOUS FEEDSTOCK

Номер: US20130172638A1
Автор: Borremans Didier, Dath Jean-Pierre, Hortmann Kai
Принадлежит: TOTAL RAFFINAGE MARKETING

The invention concerns a process for upgrading lower quality carbonaceous feedstock using a slurry catalyst composition. The use of particular organometallic compounds as precursors for the dispersed active catalyst allows for reduced coke formation. 2. Process according to , wherein each of Cor Cis a C5-C8 monocyclic polyene ligand comprising from 0 to 5 substituents R , each substituent R being the same of different , R being defined as in .3. Process according to , wherein each of Cand Cis a cyclopentadienyl ligand comprising from 0 to 5 substituents R , each substituent R being the same or different , R being defined as in .5. Process according to claim 1 , wherein -L is selected from Hydride (-L=—H) claim 1 , Halide (-L=—F claim 1 , —Cl claim 1 , —Br claim 1 , —I) claim 1 , cyanide (-L=—CN) claim 1 , Alkoxide (-L=—OR) claim 1 , Thiolate (-L=—SR) claim 1 , Amide (-L=—NR) claim 1 , Phosphide (-L=—PR) claim 1 , Alkyl (-L=—CHR or other) claim 1 , Alkenyl (-L=—CHCHR) claim 1 , Alkynyl (-L=—CCR) claim 1 , Acyl (-L=—COR) claim 1 , Isocyanide (-L=—CNR) claim 1 , Nitrosyl (-L=—NO) claim 1 , Diazenide (-L=—NNR) claim 1 , Imide (-L=═NR) claim 1 , L=-ERor -EX(with E=Si claim 1 , Ge claim 1 , Sn) claim 1 , -L=—PR claim 1 , —PX claim 1 , —AsR claim 1 , —SbR claim 1 , amines claim 1 , L=ER(with E=O claim 1 , S claim 1 , Se claim 1 , Te) claim 1 , where X is an halogen atom claim 1 , R is a C1-C8 claim 1 , preferably a C1-C6 claim 1 , linear or branched claim 1 , alkyl claim 1 , alkenyl Group or a C3-C8 alicyclic or aromatic group.6. Process according to claim 1 , wherein M is selected from Group IIA claim 1 , IIB claim 1 , IIIB claim 1 , IVB claim 1 , VB claim 1 , VIIB claim 1 , VIIB or VIII of the periodic table of the elements.7. Process according to claim 1 , wherein M is selected from Fe claim 1 , V or Mo.8. Process according to claim 1 , wherein said precursor composition furthermore comprises at least one surfactant and/or a least one promoter.9. Process according to ...

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Номер записи: 61
04-07-2013 дата публикации

PALLADIUM-MODIFIED HYDROTALCITES AND THEIR USE AS CATALYST PRECURSORS

Номер: US20130172642A1
Автор: Armbruster Marc, Behrens Malte, Grin Juri, Ota Antje, Schlögl Robert
Принадлежит: MAX-PLANCK-GESELLSCHAFT ZUR FORDERUNG DER WISSENSCHAFTEN E.V.

The present invention relates to hydrotalcite-like compounds, wherein Pd occupies at least part of the octahedral sites in the brucite-like layers. According to another aspect, the invention is concerned with methods of converting these hydrotalcite-like compounds into materials comprising particles, in particular nanoparticles, of an ordered intermetallic compound of palladium and at least one constituent metal of the palladium-modified hydrotalcites. Moreover, the invention pertains to the material obtainable by the conversion method, the use of the material as a catalyst, and a process for the selective hydrogenation of alkyne(s) to the corresponding alkene(s) using the material as a hydrogenation catalyst. 1. A hydrotalcite-like compound , wherein Pd occupies at least part of the octahedral sites in the brucite-like layers.2. The hydrotalcite-like compound according to claim 1 , wherein 0.01 to 5% of the octahedral sites in the brucite-like layers are occupied by Pd.3. The hydrotalcite-like compound according to claim 1 , which is a Pd-hydrotalcite represented by the following formula:{'br': None, 'sup': 2+', 'x+', 'n−, 'sub': 1-x', 'x', '2', 'x/n', '2, 'i': 'm', '[(Pd,M2)M3(OH)](A).HO'}wherein{'sup': 2+', '2+', '2+', '2+', '2+', '2+', '2+, 'M2 is at least one divalent metal cation selected from the group consisting of Mg, Ni, Co, Zn, Fe, Cu and Mn;'}{'sup': 3+', '3+', '3+', '3+', '3+', '3+', '3+, 'M3 is at least one trivalent metal cation selected from Al, Ga, Ni, Co, Fe, Mn and Cr;'}A is an n-valent anion, preferably carbonate;x is 0.1-0.5, preferably 0.2≦x≦0.33; andm is 0.1-1.0.4. The hydrotalcite-like compound according to claim 3 , wherein{'sup': 2+', '3+, 'M2 is Mg and M3 is Ga; or'}{'sup': 2+', '3+, 'M2 is Zn and M3 is Al.'}5. The hydrotalcite-like compound according to claim 3 , wherein M3 is Ga.6. A method of preparing a hydrotalcite-like compound claim 3 , represented by the following formula:{'br': None, 'sup': 2+', 'x+', 'n−, 'sub': 1-x', 'x', '2', ' ...

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Номер записи: 62
11-07-2013 дата публикации

CATALYST AND METHOD FOR THE PRODUCTION OF CHLORINE BY GAS PHASE OXIDATION

Номер: US20130177494A1
Автор: Mleczko Leslaw, Schlüter Oliver Felix-Karl, Wolf Aurel
Принадлежит: Bayer Intellectual Property GmbH

The present invention relates to a catalyst for preparation of chlorine by catalytic gas phase oxidation of hydrogen chloride with oxygen, in which the catalyst comprises at least tin dioxide as a support material and at least one ruthenium-containing compound as a catalytically active material, and comprises, as an additional secondary constituent, a compound of an element or an element selected from the group of: Nb, V, Ta, Cr, Mo, Au, In, Sc, Y and lanthanoids, especially La and Ce. 116-. (canceled)17. A catalyst composition comprising at least tin dioxide as a support material and at least one ruthenium-containing compound as a catalytically active material , wherein the support material comprises , as an additional secondary constituent , a compound of an element or an element selected from the group consisting of: Nb , V , Ta , Cr , Mo , Au , In , Sc , Y and lanthanoids.18. The composition as claimed in claim 17 , wherein the additional secondary constituent is niobium or a niobium compound.19. The composition as claimed in claim 18 , wherein the additional secondary constituent is niobium oxide.20. The composition as claimed in claim 17 , wherein the additional secondary constituent is La or Ce.21. The composition as claimed in claim 17 , wherein the ruthenium compound is a halogen- and/or oxygen-containing ruthenium compound.22. The composition as claimed in claim 21 , wherein the halogen in the ruthenium compound is selected from the group consisting of: chlorine claim 21 , bromine and iodine.23. The composition as claimed in claim 17 , wherein the catalytically active ruthenium compound is selected from the group consisting of: ruthenium chloride claim 17 , ruthenium oxychloride and a mixture of ruthenium chloride and ruthenium oxide.24. The composition as claimed in claim 23 , wherein the catalytically active ruthenium compound is a mixed compound corresponding to the general formula RuClOin which x is a number from 0.8 to 1.5 and y is a number from 0.7 ...

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Номер записи: 63
11-07-2013 дата публикации

Catalytic conversion of cellulose to fuels and chemicals using boronic acids

Номер: US20130178617A1
Автор: Benjamin CAES, Michael Palte, Ronald Raines
Принадлежит: Individual

Methods and catalyst compositions for formation of furans from carbohydrates. A carbohydrate substrate is heating in the presence of a 2-substituted phenylboronic acid (or salt or hydrate thereof) and optionally a magnesium or calcium halide salt. The reaction is carried out in a polar aprotic solvent other than an ionic liquid, an ionic liquid or a mixture thereof. Additional of a selected amount of water to the reaction can enhance the yield of furans.

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Номер записи: 64
18-07-2013 дата публикации

Transparent Photocatalyst Coating

Номер: US20130180932A1
Автор: Fukumura Takuya, Mukherjee Rajesh, Sambandan Eka
Принадлежит: NITTO DENKO CORPORATION

Photocatalyst compositions and elements exhibiting desired photocatalytic activity levels and transparency. 1. A photocatalytic composition comprising a photocatalyst and a co-catalyst.2. The photocatalytic composition of claim 1 , wherein the co-catalyst improves the catalytic performance of the photocatalyst by at least about 1.2 claim 1 , as measured by the rate of photocatalytic decomposition of acetaldehyde.3. The photocatalytic composition of claim 1 , wherein the photocatalyst has a band gap of about 1.5 eV to about 3.5 eV.4. The photocatalytic composition of claim 1 , wherein the photocatalyst comprises tungsten or titanium.5. The photocatalytic composition of claim 1 , where the photocatalyst is doped with a naturally occurring element.6. The photocatalyst composition of claim 1 , where the photocatalyst is loaded with a transition metal claim 1 , a transition metal oxide claim 1 , or a transition metal hydroxide.7. The photocatalyst of claim 1 , wherein the photocatalyst comprises WO claim 1 , TiO claim 1 , or Ti(O claim 1 ,C claim 1 ,N):Sn.8. The photocatalytic composition of claim 1 , wherein the co-catalyst is a metal oxide capable of being reduced by electron transfer from the conduction band of the photocatalyst.9. The photocatalytic composition of claim 1 , wherein the co-catalyst is a metal oxide capable of reducing Oby electron transfer.10. The photocatalytic composition of claim 1 , wherein the co-catalyst is capable of converting atmospheric Oto superoxide radical ion.11. The photocatalytic composition of claim 10 , wherein the co-catalyst is capable of converting atmospheric Oto superoxide radical ion under ambient conditions.12. The photocatalytic composition of claim 1 , wherein the co-catalyst comprises anatase TiO claim 1 , SrTiO claim 1 , KTaO claim 1 , or KNbO.13. The photocatalytic composition of claim 1 , wherein the co-catalyst comprises InO claim 1 , TaO claim 1 , anatase TiO claim 1 , rutile TiO claim 1 , a combination of anatase and ...

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Номер записи: 65
18-07-2013 дата публикации

Preparation of catalyst for selective hydrogenation of hydrogenatable precursors

Номер: US20130184499A1
Автор: Balaraju Miryala, James F. White, Leo E. Manzer, Ramesh D. Bhagat, Robert L. Augustine, Setrak K. Tanielyan
Принадлежит: Bioamber International SARL

A reduced metallic catalyst or pre-activated catalyst is formed by contacting a precursor catalyst or a reduced metallic catalyst with a modifier solution in the presence of a source of hydrogen and heat treating the precursor catalyst or the reduced metallic catalyst at super-atmospheric pressure to obtain the reduced metallic catalyst from the precursor catalyst or the pre-activated catalyst from the reduced metallic catalyst. A method of hydrogenating a hydrogenatable precursor includes providing a reduced metallic catalyst or the pre-activated catalyst prepared with modifier buffer and contacting the reduced metallic catalyst or pre-activated catalyst with the hydrogenatable precursor in the presence of hydrogen and, optionally, in the presence of a modifier solution.

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Номер записи: 66
25-07-2013 дата публикации

Process for hydrotreating a hydrocarbon cut with a boiling point of more than 250°c in the presence of a sulphide catalyst prepared using a cyclic oligosaccharide

Номер: US20130186806A1
Автор: Bertrand Guichard, Elodie Devers, Fabrice Diehl, Karin Marchand
Принадлежит: IFP Energies Nouvelles IFPEN

Preparation of a catalyst having at least one metal from group VIII, at least one metal from group VIB and at least one support; in succession: i) one of i1) contacting a pre-catalyst with metal from group VIII, metal from group VIB and support with a cyclic oligosaccharide naming at least 6 α-(1,4)-bonded glucopyranose subunits; i2) contacting support with a solution containing a precursor of metal from group VIII, a precursor of said metal from group VIB and a cyclic oligosaccharide composed of at least 6 α-(1,4)-bonded glucopyranose subunits; or i3) contacting support with a cyclic oligosaccharide composed of at least 6 α-(1,4)-bonded glucopyranose subunits followed by contacting solid derived therefrom with a precursor of metal from group VIII and a precursor of metal from group VIB.

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Номер записи: 67
25-07-2013 дата публикации

SYNTHESIZING AND UTILIZING SOLAR LIGHT ACTIVATED NANO-PARTICLE PHOTOCATALYST

Номер: US20130186840A1
Автор: ALAMOODI MOHAMED SAEED, ALAMRY KHALID AHMAD, ASIRI ABDULLAH MOHAMED, KHAN SHER BAHADAR, RAHMAN MOHAMMED M.
Принадлежит: KING ABDULAZIZ UNIVERSITY

Toxic organic materials contaminate water resources and one need to find an easy and energy efficient way to decontaminate water resources. The current invention discloses a photocatalyst Fe doped ZnO nano-particle photocatalyst that enables the decontamination process by degrading toxic organic material such as brilliant cresyl blue, indigo carmine and gentian blue by using solar light. In the current disclosure many examples of characterization of the photocatalyst, optimal working conditions and efficient use of solar light has been described. The process described to use the photocatalyst to degrade toxic organic material using the solar light to activate the photocatalyst is cost efficient and cheap to clean our water resources. 1. A method of making the photocatalyst , comprising:mixing a solid iron nitrate and zinc nitrate in a ratio of 1:3;dissolving the solid nitrate and zinc nitrate using a distilled water into a solution at a specific temperature;adjusting a pH of the solution to a specific pH by adding a sodium hydroxide solution to obtain a pH adjusted homogeneous solution;heating and constant stirring the pH adjusted homogeneous solution at a specific temperature overnight;cooling the stirred pH adjusted homogeneous solution to obtain a Fe doped ZnO photocatalyst as a Fe doped ZnO photocatalyst precipitate; andwashing the Fe doped ZnO photocatalyst precipitate with ethanol three times to obtain a washed Fe doped ZnO photocatalyst precipitate.2. The method of claim 1 , further comprising;drying the washed Fe doped ZnO photocatalyst precipitate using step 1 and step 2,wherein step 1 is using an ambient temperature and step 2 using an oven at 60° C. grinding the dried Fe doped ZnO photocatalyst precipitate to a specific size to obtain a Fe doped ZnO nano-particle photocatalyst.3. The method of claim 1 , wherein the specific temperature is 25° C.4. The method of claim 1 , wherein the specific pH is 10.5. The method of claim 2 , wherein the specific size is ...

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Номер записи: 68
25-07-2013 дата публикации

ANDERSON-TYPE HETEROPOLY COMPOUND-BASED CATALYST COMPOSITIONS AND THEIR USE CONVERSION OF SYNTHESIS GAS TO OXYGENATES

Номер: US20130190411A1
Автор: Barton David G., Manikandan Palanichamy, Millar Dean M.
Принадлежит: Dow Global Technologies LLC

Use a transition metal-containing, Anderson-type heteropoly compound catalyst to convert synthesis gas to an oxygenate, especially an alcohol that contains from one carbon atom to six carbon atoms. 1. A process for converting synthesis gas to an oxygenate , which process comprises contacting a mixture of hydrogen and carbon monoxide with a transition metal-containing , Anderson-type heteropoly compound catalyst under conditions of temperature , pressure and gas hourly space velocity sufficient to convert said mixture to at least one alcohol wherein the alcohol contains from one carbon atom to six carbon atoms , the catalyst having a structure represented by general formula (A)[MMoW]M , wherein A is H , an ammonium ion , or an alkali metal ion , Mis at least one of aluminum , zinc or a transition metal selected from iron , ruthenium , chromium , rhodium , copper , cobalt , nickel , palladium and iridium , Mis an optional modifier that is at least one metal selected from an alkali metal , an alkaline earth metal and a transition metal selected from a group consisting of rhenium , chromium , palladium , nickel , iridium and cobalt , x is an integer within a range of from 3 to 4 and y is an integer within a range of from 0 to 6.2. The process of claim 1 , wherein the catalyst comprises a mixture of at least two Anderson-type heteropoly compound catalysts claim 1 , a first wherein Mis rhodium and a second wherein Mis selected from cobalt claim 1 , iridium claim 1 , copper claim 1 , nickel claim 1 , palladium claim 1 , zinc claim 1 , aluminum claim 1 , iron claim 1 , chromium claim 1 , and ruthenium.3. The process of claim 1 , wherein the catalyst further comprises at least one catalyst support selected from silicas claim 1 , aluminas claim 1 , titanias claim 1 , tungsten oxides claim 1 , zirconias claim 1 , magnesias claim 1 , zinc oxides or mixtures thereof claim 1 , and modified supports selected from zirconia-modified silicas and aluminas claim 1 , magnesium ...

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Номер записи: 69
25-07-2013 дата публикации

Hydrothiolation of Unactivated Alkenes

Номер: US20130190505A1
Автор: Jimmy Wu, Markku A. Savolainen
Принадлежит: Dartmouth College

The present invention is a method for promoting hydrothiolation of an unactivated alkenes with a thiol using gallium triflate.

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Номер записи: 70
25-07-2013 дата публикации

HETEROGENEOUS CATALYSTS

Номер: US20130190537A1
Автор: Bollapragada Phani Kiran, Manikandan Palanichamy, Rao Sreenivasa
Принадлежит: Dow Global Technologies LLC

Convert a mixture of synthesis gas and ethylene to a product stream that contains at least one C3 oxygenate using a supported, heterogeneous catalyst represented by formula RhAgSnXYO. In the formula, X is at least one transition element other than rhodium or silver, and Y is at least one element selected from alkali metals and alkaline earth metals. 1. A process for converting a feedstream comprising syngas and ethylene to a product stream that comprises at least one three carbon oxygenate , which process comprises placing the feedstream in contact with a heterogeneous catalyst under conditions sufficient to effect conversion of the feedstream to the product stream , the catalyst comprising a combination of metals on a catalyst support , the combination of metals being represented by general formula RhAgSnXYOwherein X is at least one transition element other than rhodium or silver , Y is at least one element selected from alkali metals and alkaline earth metals , a is a real number within a range of from 0.1 millimole/hectogram to 50 millimole/hectogram , b is a real number within a range of from 0 1 millimole/hectogram to 50 millimole/hectogram , c is a real number within a range of from 0 1 millimole/hectogram to 50 millimole/hectogram , d is a real number within a range of from 0 millimole/hectogram to 250 millimole/hectogram , e is a real number within a range of from 0 millimole/hectogram to 1500 millimole/hectogram , and x is a real number greater than zero needed to balance the total charges of Rh , Ag , Sn , X and Y elements , the catalyst support being at least one of silica , alumina , titania , magnesia , magnesium aluminate , and zinc aluminate.2. The process of claim 1 , wherein X is at least one element selected from a group consisting of zinc claim 1 , iron claim 1 , manganese claim 1 , chromium claim 1 , cobalt and iridium.3. The process of claim 1 , wherein the conditions include at least one of a temperature within a range of from 100° C. TO 450° C ...

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Номер записи: 71
01-08-2013 дата публикации

TITANIA PHOTOCATALYTIC COMPOUNDS AND METHODS OF MAKING THE SAME

Номер: US20130192976A1
Автор: Fukumura Takuya, Mukherjee Rajesh, Sambandan Ekambaram
Принадлежит: NITTO DENKO CORPORATION

Disclosed herein are titania photocatalysts, titania photocatalytic compositions, and methods of making the same. The photocatalysts may, for example, be represented by the formula of (TiM)(OCN), where M, r, x, are y defined in the specification. The photocatalysts may, in some embodiments, provide superior photocatalytic activity relative to titania. Also disclosed are methods making the photocatalysts. The method may provide economical techniques for obtaining the titania photocatalysts. 1. A titanium-oxide based photocatalyst represented by the formula of (TiM)(OCN) , wherein:M is selected from the group consisting of Sn, Ni, Sr, Ba, Fe, Bi, V, Mo, W, Zn, Cu, and combinations thereof;r is in the range of about 0.0001 to about 0.25;x is in the range of about 0.001 to about 0.1; andy is in the range of about 0.001 to about 0.1.2. The photocatalyst of claim 1 , wherein r is no more than about 0.05.3. The photocatalyst of claim 1 , wherein M is selected from the group consisting of Sn claim 1 , Ni claim 1 , Sr claim 1 , Ba claim 1 , Fe claim 1 , Bi claim 1 , and combinations thereof.4. The photocatalyst of claim 3 , wherein r is in the range of about 0.0001 to about 0.15.5. The photocatalyst of claim 1 , wherein M is selected from the group consisting of Mo claim 1 , W claim 1 , and combinations thereof.6. The photocatalyst of claim 5 , wherein r is in the range of about 0.0001 to about 0.10.7. The photocatalyst of claim 1 , wherein M is V.8. The photocatalyst of claim 7 , wherein r is in the range of about 0.0001 to about 0.05.9. The photocatalyst of claim 1 , wherein M is Sn.10. The photocatalyst of claim 1 , wherein x is in the range of about 0.001 to about 0.07.11. The photocatalyst of claim 1 , wherein y is in the range of about 0.001 to about 0.05.12. The photocatalyst of claim 1 , wherein the photocatalyst is selected from the group consisting of (TiSn)(OCN) claim 1 , (TiSn)(OCN) claim 1 , (TiSn)(OCN) claim 1 , (TiSn)(OCN) claim 1 , (TiSn)(OCN) claim 1 , (TiNi ...

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Номер записи: 72
08-08-2013 дата публикации

CATALYST FOR PREPARING VINYL CHLORIDE, METHODS OF PREPARATION AND APPLICATION THEREOF

Номер: US20130204052A1
Автор: Jiang Biao, Zhong Jinguang
Принадлежит:

The present invention discloses a catalyst used in preparing vinyl chloride, its method of preparation, and its applications. Said catalyst used in making vinyl chloride comprises activated carbon as a support, a barium compound and a phosphorus compound supported thereon. The barium compound accounts for 0.2% to 20% of the total mass of the catalyst and the phosphorus compound accounts for 0% to 10% of the total mass of the catalyst based on the mass percentage. A water-soluble barium compound, a water-soluble phosphorus compound, an aqueous polymer monomer, and water are mixed to form a solution or emulsion A. The activated carbon is added into the solution or emulsion A. The activated carbon is removed from water after impregnation, spin-dried, and then the monomers are polymerized. The activated carbon, after polymerization step, is heated to remove water and to decompose and carbonize the polymer. The catalyst after carbonization was activated to obtain a catalyst used in making vinyl chloride. 1. A catalyst for the preparation of vinyl chloride , characterized in that:said catalyst comprises activated carbon as a carrier, a barium compound and a phosphorus compound supported on the carrier, wherein said barium compound has a mass percentage of 0.2% to 20% and said phosphorous compound has a mass percentage of 0% to 10% based on the total mass of the catalyst.2. The catalyst of claim 1 , wherein said barium compound is barium chloride and said phosphorus compound is phosphoric acid.3. A method for preparing a catalyst of used in preparing vinyl chloride claim 1 , characterized in that said method comprising the steps of:(1) mixing a water-soluble barium compound, a water-soluble phosphorus compound, an aqueous polymer monomer, and water to obtain a solution A or an emulsion A;(2) impregnating the activated carbon in the solution A or the emulsion A;(3) polymerizing the aqueous polymeric monomer on the activated carbon after spin-drying;(4) heating the activated ...

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Номер записи: 73
15-08-2013 дата публикации

Method for Activating Catalyst Using Photothermal Nanomaterials

Номер: US20130210115A1
Автор: Kim Min Gon, Li Taihua, Shin Yong Beom
Принадлежит: Korea Research Institute of Bioscience and Biotechnology

Disclosed is a method for activating a catalyst using the photothermal effects of photothermal nanomaterials, and more particularly to a method of activating a catalyst at a temperature, at which the catalyst has low or no activity, by irradiating a catalyst-photothermal nanomaterial composite with light. The method can activate the catalyst by increasing only the temperature around the nanomaterials without substantially changing the temperature of the reaction medium. A catalyst that generally has high activity at room temperature can be activated even at low temperature. Catalysts having high activity only under mild conditions are immobilized on photothermal nanomaterials so that they have activity even under low temperature and extreme conditions. The invention is useful when a catalyst substrate unstable at room temperature is used or a catalytic product unstable at room temperature is produced. 1. A method for activating a catalyst , comprising:adding the catalyst and photothermal nanomaterials to a reaction medium having a temperature lower than the optimum activation temperature of the catalyst and increasing the temperature of the photothermal nanomaterials to the optimum activation temperature of the catalyst by light irradiation.2. A method for activating a catalyst , comprising:adding a catalyst-photothermal nanomaterial composite to a reaction medium having a temperature lower than the optimum activation temperature of the catalyst and increasing the temperature of the photothermal nanomaterials to the optimum activation temperature of the catalyst by light irradiation.3. The method of or , wherein the catalyst is a biocatalyst or a chemical catalyst.4. The method of or , wherein the catalyst is an enzyme.5. The method of claim 4 , wherein the enzyme is a thermostable enzyme.6. The method of or claim 4 , wherein the photothermal nanomaterials are photothermal metal nanoparticles claim 4 , carbon nanotubes (CNTs) claim 4 , graphene claim 4 , or graphene ...

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Номер записи: 74
15-08-2013 дата публикации

Method of preparing precious metal nitride nanoparticle compositions

Номер: US20130210610A1
Автор: Gabriel M. VEITH, Nancy J. Dudney
Принадлежит: UT Battelle LLC

A method of preparing a precious metal nitride nanoparticle composition, includes the step of ionizing nitrogen in the gas phase to create an active nitrogen species as a plasma. An atomic metal species of the precious metal is provided in the gas phase. The active nitrogen species in the gas phase is contacted with the atomic metal species of the precious metal in the gas phase to form a precious metal nitride. The precious metal nitride is deposited on the support. Precious metal nanoparticle compositions are also disclosed.

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Номер записи: 75
15-08-2013 дата публикации

LIQUID COMBUSTION CATALYST COMPOSITION COMPRISING AN IONIZED METAL COMPOUND

Номер: US20130210616A1
Автор: Oh Mi Hye, Ryu Hwan Woo, Ryu Na Hyeon, Ryu Yeon Seok
Принадлежит:

Provided is a liquid combustion catalyst composition comprising an ionized metal compound, and more particularly, to a liquid combustion catalyst composition comprising an ionized metal compound, in which the ionic metal compound is added to fuel burning in a combustion engine to quickly achieve a chemical thermal equilibrium condition required for the combustion of fuel such as hydrocarbon fuel, fossil fuel and biomass, and to optimize the amount of air which contains oxygen required for the equilibrium condition in terms of chemical equivalence, thereby improving thermal efficiency and the efficiency of the combustion engine so that fuel consumption for a heat source can be reduced, and optimizing the combustion performed by the combustion device by controlling the generation of sludge, clinker and fouling which may be generated due to an inorganic substance so that a combustion rate per unit area and the productivity of the combustion device can be improved. Provided is a liquid combustion catalyst composition comprising an ionized metal compound or a complex ionic combustion catalyst composition which comprises an ionized metal compound and which has a hydrate form dried at 100° C. or less, wherein the composition is characterized in that one or more metal compounds selected from Mg, Ca, Mn, and Zn are dissolved in nitric acid or ammonia water to form one or more metal ions selected from Mg, Ca, Mn, and Zn. 1. A liquid combustion catalyst composition comprising an ionized metal compound , wherein the composition is characterized in that one or more metal compounds selected from Mg , Ca , Mn and Zn are dissolved in a soluble liquid to form one or more metal ions selected from Mg , Ca , Mn and Zn.2. The composition of claim 1 , wherein the liquid in which the metal compounds are dissolved is nitric acid or ammonia water.3. The composition of claim 1 , further comprising a boron compound.4. The composition of claim 3 , wherein the boron compound is selected from ...

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Номер записи: 76
15-08-2013 дата публикации

CATALYTICALLY ACTIVE BODY FOR THE SYNTHESIS OF DIMETHYL ETHER FROM SYNTHESIS GAS

Номер: US20130210940A1
Автор: Madon Rostam, Schäfer Alexander, von Fehren Thorsten
Принадлежит: BASF SE

The invention relates to a catalytically active body for the synthesis of dimethyl ether from synthesis gas. In particular, the invention relates to an improved catalytically active body for the synthesis of dimethyl ether, whereby the components of the active body comprise a defined particle size distribution. Furthermore, the present invention concerns a method for the preparation of a catalytically active body, the use of the catalytically active body and a method for preparation of dimethyl ether from synthesis gas. 1. Catalytically active body for the synthesis of dimethyl ether from synthesis gas , comprising a mixture of:(A) 70-90% by weight of a methanol-active component, selected from the group consisting of copper oxide, aluminium oxide, zinc oxide, amorphous aluminium oxide, ternary oxide or mixtures thereof,(B) 10-30% by weight of an acid component, selected from the group consisting of aluminium hydroxide, aluminium oxide hydroxide and/or γ-aluminiumoxide with 0.1-20% by weight of Niobium, Tantalum, Phosphorus or Boron, related to component (B), or mixtures thereof,(C) 0-10 Gew.-% by weight of at least one additive, whereby the sum of the components (A), (B) and (C) is in total 100% by weight.2. Catalytically active body according to claim 1 , whereby the component (A) has a particle size distribution characterized by a D-10 value of 5-140 μm claim 1 , a D-50 value of 40-300 μm claim 1 , and a D-90 value of 180-800 μm claim 1 , whereby the component (B) has a particle size distribution characterized by a D-10 value of 5-140 μm claim 1 , a D-50 value of 40-300 μm claim 1 , and a D-90 value of 180-800 μm and the particle size distribution of components (A) and (B) being maintained in the catalytically active body.3. Catalytically active body according to claim 1 , wherein component (B) is aluminium oxide hydroxide and γ-aluminiumoxide in a ratio of 3:7 to 6:4.4. Catalytically active body according to claim 1 , characterized in that component (A) comprises ...

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Номер записи: 77
15-08-2013 дата публикации

Catalyst And Method For The Direct Synthesis Of Dimethyl Ether From Synthesis Gas

Номер: US20130211148A1
Автор: Alexander Schäfer, Klaus Kaiser, Rostam Jal Madon, Thorsten von Fehren
Принадлежит: BASF Corp

Catalysts and methods for their manufacture and use for the synthesis of dimethyl ether from syngas are disclosed. The catalysts comprise ZnO, CuO, ZrO 2 , alumina and one or more of boron oxide, tantalum oxide, phosphorus oxide and niobium oxide. The catalysts may also comprise ceria. The catalysts described herein are able to synthesize dimethyl ether directly from synthesis gas, including synthesis gas that is rich in carbon monoxide.

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Номер записи: 78
22-08-2013 дата публикации

METHOD FOR PROCESSING A SULFUR-CONTAINING GAS AND A HYDROGENATION CATALYST USED THEREFOR

Номер: US20130216462A1
Автор: LIU Aihua, Liu Jianli, TAO Weidong, Xu Jinshan, Xu Xingzhong, ZHANG Yiling
Принадлежит: CHINA PETROLEUM & CHEMICAL CORPORATION

The present invention relates to a method for processing a sulfur-containing gas and a hydrogenation catalyst used therefor. Said method comprises introducing the sulfur-containing gas into the tail gas hydrogenation unit of a sulfur recovery device, processing it with the hydrogenation catalyst of the present invention, absorbing the hydrogenated tail gas with a solvent and then regenerating, the regenerated hydrogen sulfide being recycled to the Claus unit to recover sulfur, the clean tail gas being incinerated in an incinerator to be discharged after reaching the standards. Said sulfur-containing gas comprises from 0 to 6 vol. % of sulfur dioxide and from 0 to 3 vol. % of oxygen, and has a temperature of from 100 to 200° C. The hydrogenation catalyst of the present invention comprises from 0.5 to 3 wt. % of an active component nickel oxide, from 1 to 4 wt. % of an active component cobalt oxide, from 8 to 20 wt. % of an active component molybdenum oxide or tungsten oxide, from 1 to 5 wt. % of a deoxidation auxiliary agent, from 10 to 40 wt. % of TiO2, the balance being γ-Al2O3, based on the weight of the catalyst. 1. A hydrogenation catalyst , characterized in that the catalyst comprises from 0.5 to 3 wt. % of an active component nickel oxide; from 1 to 4 wt. % of an active component cobalt oxide; from 8 to 20 wt. % of an active component molybdenum oxide or tungsten oxide; from 1 to 5 wt. % of a deoxidation auxiliary agent selected from one or more of ferrous sulfate , ferric nitrate and ferric sulfate; from 10 to 40 wt. % of TiO , the balance being γ-AlO , based on the weight of the catalyst , wherein TiOand γ-AlOare added in the form of titanium-aluminum compound dry colloid.2. The hydrogenation catalyst according to claim 1 , characterized in that the deoxidation auxiliary agent is ferrous sulfate.3. The hydrogenation catalyst according to claim 1 , characterized in that the catalyst comprises from 1.0 to 1.5 wt. % of an active component nickel oxide claim 1 , ...

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Номер записи: 79
22-08-2013 дата публикации

Silicon carbide ceramic and honeycomb structure

Номер: US20130216768A1
Автор: Atsushi Kaneda, Takayuki Inoue, Tsuyoshi Watanabe
Принадлежит: NGK Insulators Ltd

Provided is a silicon carbide ceramic having a small amount of resistivity change due to temperature change and being capable of generating heat by current application; and containing silicon carbide crystals having 0.1 to 25 mass % of 4H—SiC silicon carbide crystals and 50 to 99.9 mass % of 6H—SiC silicon carbide crystals, preferably having a nitrogen content of 0.01 mass % or less, more preferably containing two or more kinds of silicon carbide particles containing silicon carbide crystals and silicon for binding these silicon carbide particles to each other and having a silicon content of from 10 to 40 mass %.

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Номер записи: 80
22-08-2013 дата публикации

OXIDATIVE DEHYDROGENATION OF OLEFINS CATALYST AND METHODS OF MAKING AND USING THE SAME

Номер: US20130217568A1
Автор: Hazin Paulette, Tennyson Reginald
Принадлежит: SAUDI BASIC INDUSTRIES CORPORATION

A method of making a dehydrogenation catalyst can comprise: combining precursors in water to form a mixture; adding base to the mixture to form a slurry having a pH of 7 to 8.5; aging the slurry at a temperature of greater than or equal to 40° C. while agitating; filtering a precipitate from the aged slurry to collect a catalyst precursor; drying and calcining the catalyst precursor to form the catalyst; wherein the catalyst has the formula (I) 1. A method of making a dehydrogenation catalyst , comprising:combining a zinc precursor, an iron precursor, a cobalt precursor, a magnesium precursor, optionally a calcium precursor, and optionally an M precursor, in water to form a mixture, wherein M is selected from cobalt (Co), magnesium (Mg), calcium (Ca), silver (Ag), aluminum (Al), cerium (Ce), cesium (Cs), copper (Cu), potassium (K), lanthanum (La), lithium (Li), manganese (Mn), molybdenum (Mo), sodium (Na), nickel (Ni), phosphorus (P), palladium (Pd), platinum (Pt), ruthenium (Ru), silicon (Si), vanadium (V), tungsten (W), yttrium (Y), as well as combinations comprising at least one of the foregoing, wherein the zinc precursor comprises initial zinc and the iron precursor comprises initial iron;adding base to the mixture to form a slurry having a pH of 7 to 8.5;aging the slurry at a temperature of greater than or equal to 40° C. while agitating;filtering a precipitate from the aged slurry to collect a catalyst precursor; anddrying and calcining the catalyst precursor to form the catalyst; {'br': None, 'sub': a', 'b', 'c', 'd', 'e', 'f', 'x, 'FeZnCoMgCaClMO\u2003\u2003(I)'}, 'wherein the catalyst has the formula (I)'}wherein the amounts are in mole ratios relative to 1 mole of iron, “a” is 0.07 to 0.7 moles; “b” is 0.01 to 0.20 moles; “c” is less than or equal to 0.40 moles; “d” is less than or equal to 0.40 moles; “e” is less than or equal to 0.10 moles; “f” is less than or equal to 0.20 moles; and “x” is a number depending on the relative amount and valence of the ...

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Номер записи: 81
22-08-2013 дата публикации

Gas phase oxidation catalyst with low charge transport activation energy

Номер: US20130217896A1
Автор: Andrey Karpov, Annette Trunschke, Cornelia Katharina Dobner, Frank Rosowski, Mark Eichelbaum, Robert Schloegl
Принадлежит: BASF SE

A catalyst for the gas phase oxidation of organic hydrocarbons comprises a multielement oxide which comprises at least one transition meal such as vanadium, wherein the catalyst has a charge transport activation energy E c at a temperature of 375 to 425° C. of less than 0 kJ/mol. The catalyst serves for preparation of maleic anhydride.

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Номер записи: 82
22-08-2013 дата публикации

VPO CATALYST WITH LOW VANADIUM OXIDATION STATE FOR MALEIC ANDHYDRIDE PRODUCTION (D#81,745)

Номер: US20130217897A1
Автор: Frazee William S., Horrell Bennie A., Mummey Michael J., SHAN Zhiping
Принадлежит: Huntsman Petrochemical LLC

An oxidation catalyst comprising vanadium, phosphorus, and oxygen having average vanadium valence less than about 4.10, and a method of preparing such catalyst, is provided. The catalyst has side crush strength of at least about 5 lbs. and improved yield of maleic anhydride from n-butane between about 1% and about 6% absolute. The catalyst is formed by exposing a conventional active VPO catalyst having average vanadium valence between about 4.10 and about 4.40 to an organic solvent having a dielectric constant between about 5 and about 55 under conditions that facilitate an oxidation-reduction reaction, reducing the valence of the vanadium below 4.10. 1. A catalyst for oxidation of hydrocarbons , the catalyst comprising vanadium and phosphorus , wherein the vanadium has an average valence state less than about 4.10.2. The catalyst of claim 1 , wherein a ratio of phosphorus atoms to vanadium atoms is at least about 1.00.3. The catalyst of claim 1 , wherein the catalyst has a side crush strength greater than 5 pounds.4. The catalyst of claim 1 , further comprising a dopant or promoter.5. The catalyst of claim 1 , wherein the catalyst has a B.E.T. surface area of at least about 20 m/g.6. The catalyst of claim 3 , wherein the catalyst is formed into bodies having a shape selected from the group consisting of a cylinder claim 3 , a cored cylinder claim 3 , a sphere claim 3 , a pellet claim 3 , a trilobe claim 3 , a quadrilobe claim 3 , a bead claim 3 , a ring claim 3 , a tablet claim 3 , a round trilobe claim 3 , an irregular shape claim 3 , or a combination thereof.7. The catalyst of claim 6 , further comprising a dopant or promoter selected from the group consisting of Zr claim 6 , Mo claim 6 , Nb claim 6 , Cr claim 6 , Fe claim 6 , Zn claim 6 , Ti claim 6 , V claim 6 , Mn claim 6 , Co claim 6 , Ni claim 6 , and combinations thereof.8. The catalyst of claim 1 , wherein the vanadium has an average valence state less than about 4.00.9. A method of making a vanadium- ...

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Номер записи: 83
29-08-2013 дата публикации

Semiconductor photocatalyst for the photocatalytic reforming of biomass derivatives for hydrogen generation, and preparation and use thereof

Номер: US20130224105A1
Автор: Chengbo Li, Jiaxin Li, Lizhu Wu, Xubing Li, Zhijun Li
Принадлежит: Technical Institute of Physics and Chemistry of CAS

Disclosed are a semiconductor photocatalyst for the photocatalytic reforming of biomass derivatives for hydrogen generation, and preparation and use thereof. The semiconductor photocatalyst has the atomic composition ratio of M˜N-Ax; wherein M˜N are IIB group elements to VIA group elements, or IIIA group elements to VA group elements, A being one element or more than two elements selected from the group consisting of cobalt, nickel, iron, copper, chromium, palladium, platinum, ruthenium, rhodium, iridium and silver; and 0.02%≦x≦1.0%. The method of in-situ preparation of the highly effective semiconductor photocatalyst and catalytically reforming biomass derivatives for hydrogen generation by driving photoreaction with visible light via quantum dots is simple, fast, highly effective, inexpensive and practical. The in situ reaction can occur in sunlight without the need of harsh conditions such as calcination.

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Номер записи: 84
12-09-2013 дата публикации

HIGH SURFACE AREA PHOTOCATALYST MATERIAL AND METHOD OF MANUFACTURE

Номер: US20130237409A1
Автор: Fukumura Takuya, Mochizuki Amane, Mukherjee Rajesh, Sambandam Ekambaram
Принадлежит: NITTO DENKO CORPORATION

Photocatalytic materials are described herein which include thin nanostructures. For example, the catalytic material can include a nanostructure that has a thin structure of a photocatalytic composition, wherein the thin structure is defined by a first surface and a second surface on opposite sides of the thin structure of the photocatalytic composition. The photocatalytic composition may include an inorganic compound, such as a titanium and/or stannous oxide. The first surface and a second surface may be relatively large as compared to the thickness of the thin structure, or the thickness of the nanostructure. 1. A photocatalytic material comprising:a nanostructure comprising: a thin structure of a photocatalytic composition comprising an inorganic compound, which is defined by a first surface and a second surface on opposite sides of the thin structure of the photocatalytic composition; andwherein the thin structure of the photocatalytic composition has a thickness that is substantially smaller than the square root of the area of the first surface.2. The photocatalytic material of claim 1 , wherein the nanostructure is a nanosheet-shaped claim 1 , nanoflake-shaped claim 1 , pseudoplanar-shaped claim 1 , or ribbon-shaped.3. The photocatalytic material of claim 1 , wherein at least a portion of the nanostructure is wavy.4. The photocatalytic material of claim 1 , wherein the nanostructure comprises a pore that extends from the first surface to the second surface through the thin structure of the photocatalytic composition.5. The photocatalytic material of claim 1 , wherein the nanostructure is free of pores that extend from the first surface to the second surface through the thin structure of the photocatalytic composition.6. The photocatalytic material of claim 1 , having a Brunauer-Emmett-Teller (BET) specific surface area of at least 30 m/g.7. The photocatalytic material of claim 1 , wherein the thickness of the thin structure of the photocatalytic composition is ...

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Номер записи: 85
12-09-2013 дата публикации

PROCESS FOR PREPARING V-Ti-P CATALYSTS FOR SYNTHESIS OF 2,3-UNSATURATED CARBOXYLIC ACIDS

Номер: US20130237724A1
Автор: Boppana Venkata Bharat Ram, Norman David William, Page Melissa Dawn
Принадлежит: EASTMAN CHEMICAL COMPANY

The invention relates to a catalyst composition comprising a mixed oxide of vanadium, titanium, and phosphorus. The titanium component is derived from a water-soluble, redox-active organo-titanium compound. The catalyst composition is highly effective at facilitating the vapor-phase condensation of formaldehyde with acetic acid to generate acrylic acid, particularly using an industrially relevant aqueous liquid feed. Additionally, the catalyst composition is catalytically active towards the formation of acrylic acid from methylene diacetate and methacrylic acid from methylene dipropionate; both reactions are carried out with high space time yields. 2. The process according to claim 1 , wherein the condensation catalyst has the formula VTiPO claim 1 , wherein a is a number from 0.3 to 6.0 claim 1 , b is a number from 2.0 to 13.0 claim 1 , and c is the number of atoms required to satisfy the valences of the components other than oxygen.3. The process according to claim 2 , wherein the titanium component is derived from a water-soluble claim 2 , redox-active organo-titanium compound.4. The process according to claim 3 , wherein R is methyl claim 3 , wherein the methylene dialkanoate is methylene dipropionate.5. The process according to claim 3 , wherein R is hydrogen claim 3 , wherein the methylene dialkanoate is methylene diacetate.6. The process according to claim 3 , wherein the contacting occurs with 1 mol % to 90 mole % diluent gases claim 3 , based on the total moles of the methylene dialkanoate and the diluent gas.7. The process according to claim 3 , wherein the diluent gas comprises from about 0.5 mole % to about 20 mole % oxygen claim 3 , based on the total moles of diluent gas.8. The process according to claim 3 , wherein the space time yield of the 2 claim 3 ,3 unsaturated carboxylic acid is from about 0.1 to about 200 moles of 2 claim 3 ,3 unsaturated carboxylic acid per kg catalyst per hour.10. The process according to claim 9 , wherein the organo- ...

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Номер записи: 86
19-09-2013 дата публикации

Photochemical Processes and Compositions for Methane Reforming Using Transition Metal Chalcogenide Photocatalysts

Номер: US20130239469A1
Автор: Chianelli Russell R., Torres Brenda
Принадлежит: BOARD OF REGENTS, THE UNIVERSITY OF TEXAS SYSTEM

The present invention provides a transition metal chalcogenide photocatalyst, a reactor using the transition metal chalcogenide photocatalyst, and methods of making and using a transition metal chalcogenide photocatalyst for reforming CHwith CO. 1. A photocatalyst for reforming methane with COcomprising:{'sub': 4', '2, 'a transition metal chalcogenide photocatalyst chemically stable in an environment comprising CHand CO, wherein the transition metal chalcogenide photocatalyst comprises Ti, V, Cr, Mn, Fe, Co, Ni, Zr, Nb, Mo, Tc, Ru, Rh, Pt, Hf, Ta, W, Re, Os, Ir, Pt or combinations thereof.'}2. The photocatalyst of claim 1 , wherein the transition metal chalcogenide photocatalyst comprises TiS claim 1 , VS claim 1 , CrS claim 1 , MnS claim 1 , FeS claim 1 , CoS claim 1 , NiS claim 1 , ZrS claim 1 , NbS claim 1 , MoS claim 1 , TcS claim 1 , RuS claim 1 , RhS claim 1 , PtS claim 1 , HfS claim 1 , TaS claim 1 , WS claim 1 , ReS claim 1 , OsS claim 1 , IrS claim 1 , PtSor combinations thereof.3. The photocatalyst of claim 1 , wherein the transition metal chalcogenide photocatalyst comprises CoSand MoS; CoSand WS; NiSand MoS; or NiSand WS.4. The photocatalyst of claim 1 , wherein the transition metal chalcogenide photocatalyst is supported on a conductive inert support optionally consisting of carbon having a surface area exceeding about 120 g/m.5. A gas reforming electrode for reforming CHwith COcomprising:a conductive web; and{'sub': 4', '2, 'a transition metal chalcogenide photocatalyst applied on at least one face of the conductive web and is chemically stable in an environment comprising CHand CO.'}6. The gas reforming electrode of claim 5 , wherein said conductive web is a carbon cloth.7. The gas reforming electrode of claim 5 , wherein said catalyst is mixed with an optionally perfluorinated hydrophobic binder.8. The gas reforming electrode of claim 5 , wherein the transition metal chalcogenide photocatalyst comprises Ti claim 5 , V claim 5 , Cr claim 5 , Mn claim ...

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Номер записи: 87
19-09-2013 дата публикации

COMPOSITE CATALYTIC MEMBRANE APPLIED TO CATALYTIC ESTERIFICATION AND PREPARATION METHOD THEREOF

Номер: US20130244861A1
Автор: Cheng Yu, He Benqiao, Li Jianxin, Shi Wenying
Принадлежит: TIANJIN POLYTECHNIC UNIVERSITY

A composite catalytic membrane applied to catalytic esterification and preparation method thereof are provided. The composite catalytic membrane is porous, and includes nonwoven fabric as base membrane and catalytic coating which is formed on the surface of nonwoven fabric and in the pores and gaps between the nonwoven fabric fibers. The catalytic coating uses solid acid as catalyst and polymer or modified sulfonated polymer as membrane-forming material. The membrane is formed by coating or immersion method, and the composite catalytic membrane is obtained by cross-linking after forming. The greenization and high efficiency of catalytic esterification and preparation of biodiesel can be achieved owing to the microporous structure and huge specific surface area of the composite catalytic membrane. The composite catalytic membrane has high mechanical strength, good reproducibility and stability and easily enables continuous repetitive production of catalytic esterification. The process is simple and easy to control and scale-up. 1. A composite catalytic film for catalyzing esterification , wherein the film comprises a porous structure with nonwoven fabric as a base membrane and with a catalytic coating on a surface of the fabric as well as in gaps between the fibers , and wherein said coating uses a solid acid as a catalyst and a modified sulfonated polymer as a film-forming material.2. The composite catalytic film for catalyzing esterification according to claim 1 , wherein said modified sulfonated polymer is derived from a precursor which is modified by sulfonation wherein a degree of substitution of the sulfonated group is greater than 0 and less than or equal to 50% claim 1 , and wherein said polymer is at least one of polyvinyl alcohol claim 1 , polyethylene-vinyl alcohol claim 1 , polyvinylidene fluoride claim 1 , polyacrylonitrile claim 1 , cellulose acetate claim 1 , polysulfone and polyether sulfone.3. The composite catalytic film for catalyzing ...

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Номер записи: 88
19-09-2013 дата публикации

CATALYST FOR PRODUCING N-SUBSTITUTED CARBAMATES, AND THE PREPARATION AND APPLICATION OF THE SAME

Номер: US20130244867A1
Автор: Kang Maoquing, Klein Stephan, LI Hongchao, Li Qifeng, Wang Xinkui, Wershofen Stefan
Принадлежит:

The present invention relates to a novel catalyst for producing N-substituted carbamates, the preparation of the catalyst and an improved method for producing N-substituted carbamates from these novel catalysts. The active component of the catalyst is a heteropoly acid and the catalyst support comprises a metal oxide or a metalloid oxide. The catalyst can be used to promote the reaction of carbamate and amine, thereby generating N-substituted carbamates with high yield. In the presence of the catalyst, the reaction conditions are relatively mild, the catalytic activity and selectivity of the reaction are high, and the reaction time is relatively short. Furthermore, the catalyst can be conveniently separated from the reaction system and recycled, therefore, the catalyst can be used to facilitate the further scale-up test and commercial application. 112-. (canceled)13. A catalyst for preparing a N-substituted carbamate , wherein the active component of the catalyst comprises a heteropoly acid and the component of the catalyst support comprise a metal oxide or metalloid oxide.14. The catalyst of claim 13 , wherein the heteropoly acid is a Keggin type heteropoly acid.15. The catalyst of claim 14 , wherein the heteropoly acid is selected from the group consisting of HPWO.nHO claim 14 , HPMoO.nHO claim 14 , HSiWO.nHO and HSiMoO.nHO.16. The catalyst of claim 13 , wherein the catalyst support component comprising a metal oxide or a metalloid oxide is selected from the group consisting of zirconium oxide claim 13 , titanium oxide claim 13 , zinc oxide claim 13 , silicon oxide claim 13 , magnesium oxide claim 13 , calcium oxide claim 13 , tin oxide claim 13 , barium oxide claim 13 , cerium oxide claim 13 , lanthanum oxide claim 13 , vanadium pentoxide claim 13 , aluminium oxide and mixtures thereof.17. The catalyst of claim 16 , wherein the metal oxide is selected from the group consisting of a vanadium pentoxide claim 16 , an aluminium oxide and mixtures thereof.18. The ...

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Номер записи: 89
19-09-2013 дата публикации

Catalyst for hydrocarbon steam cracking, method of preparing the same and method of preparing olefin by using the same

Номер: US20130244868A1
Автор: Jonghun Song, Jun-Han Kang, Junseon Choi
Принадлежит: LG Chem Ltd

The present invention relates to a catalyst for hydrocarbon steam cracking, a method of preparing the same, and a method of preparing olefin by the hydrocarbon steam cracking by using the catalyst, and more specifically, to a catalyst for hydrocarbon steam cracking for preparing light olefin including an oxide catalyst (0.5≦j≦120, 1≦k≦50, A is transition metal, and x is a number satisfying conditions according to valence of Cr, Zr, and A and values of j and k) represented by CrZr j A k O x , wherein the composite catalyst is a type that has an outer radius r 2 of 0.5 R to 0.96 R (where R is a radius of a cracking reaction tube), a thickness (t; r 2 −r 1 ) of 2 to 6 mm, and a length h of 0.5 r 2 to 10 r 2 , a method of preparing the same, and a method of preparing light olefin by using the same.

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Номер записи: 90
19-09-2013 дата публикации

IRON-COMPRISING HETEROGENEOUS CATALYST AND PROCESS FOR PREPARING OLEFINS BY REACTION OF CARBON MONOXIDE WITH HYDROGEN

Номер: US20130245138A1
Автор: Bay Kerem, Böhling Ralf, SCHWAB Ekkehard, Steiner Jochen
Принадлежит: BASF SE

A process for preparing olefins by reaction of carbon monoxide with hydrogen in the presence of a an iron-comprising heterogeneous catalyst produced by the following steps: thermal decomposition of gaseous iron pentacarbonyl to give carbonyl iron powder having spherical primary particles; treatment of carbonyl iron powder with hydrogen, resulting in the metallic spherical primary particles at least partially forming agglomerates; contacting the agglomerates with iron pentacarbonyl; and thermal decomposition of the iron pentacarbonyl to give at least predominantly pore-free and void-free secondary particles. 1. A process for preparing olefins by reaction of carbon monoxide with hydrogen in the presence of a catalyst , said process comprising utilizing an iron-comprising heterogeneous catalyst obtained by a process which comprises the following steps:I. thermal decomposition of gaseous iron pentacarbonyl to give carbonyl iron powder having spherical primary particles,II. treatment of carbonyl iron powder obtained in step I with hydrogen, resulting in the metallic spherical primary particles at least partially forming agglomerates,III. contacting agglomerates with iron pentacarbonyl, andIV. thermal decomposition of the iron pentacarbonyl applied in step III to give at least predominantly pore-free and void-free secondary particles.2. The process of claim 1 , wherein the reaction is carried out at a temperature in the range from 200 to 500° C.3. The process of claim 1 , wherein the reaction is carried out at an absolute pressure in the range from 1 to 100 bar.4. A process for preparing C2-C4-olefins claim 1 , said process comprising utilizing the process of .5. The process of claim 1 , wherein carbon monoxide and hydrogen are used in the form of synthesis gas for the reaction.6. The process of claim 1 , wherein carbon monoxide and hydrogen are used in a molar ratio in the range from 2:1 to 1:2.7. The process of claim 5 , wherein the synthesis gas comprises carbon ...

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Номер записи: 91
19-09-2013 дата публикации

Catalyst for Producing Acrylic Acids and Acrylates

Номер: US20130245308A1
Автор: Craig J. Peterson, Dick Nagaki, Elizabeth Bowden, Heiko Weiner, Josefina T. Chapman, Sean Mueller
Принадлежит: Celanese International Corp

In one embodiment, the invention is to a process for producing an acrylate product. The process includes the steps of contacting an alkanoic acid and an alkylenating agent over a catalyst composition under conditions effective to produce the acrylate product. The catalyst composition comprises a metal phosphate matrix containing vanadium and bismuth. Preferably, the catalyst comprises, in an active phase, vanadium to bismuth at a molar ratio of at least 0.02:1. Preferably, the catalyst composition is substantially free of titanium.

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Номер записи: 92
19-09-2013 дата публикации

CATALYST FOR PRODUCING ACRYLIC ACIDS AND ACRYLATES

Номер: US20130245310A1
Автор: Bowden Elizabeth, Chapman Josefina T., Nagaki Dick, Peterson Craig, Weiner Heiko
Принадлежит: Celanese International Corporation

A process for producing an acrylate product comprises the step of contacting an alkanoic acid and an alkylenating agent over a catalyst over conditions effective to produce the acrylate product. The catalyst composition comprises vanadium, titanium and bismuth. Preferably, the catalyst comprises vanadium to bismuth at a molar ratio of greater than 0.2:1, in an active phase. 1. A process for producing an acrylate product , the process comprising the step of:contacting an alkanoic acid and an alkylenating agent over a catalyst under conditions effective to produce the acrylate product, wherein the catalyst comprises a metal phosphate matrix containing vanadium, titanium, and bismuth.2. The process of claim 1 , wherein a molar ratio of alkanoic acid to alkylenating agent is at least 0.50:1.3. A process for producing a catalyst composition claim 1 , the process comprising the steps of:(a) contacting a titanium precursor, a vanadium precursor, and a bismuth precursor to form a catalyst precursor mixture,(b) drying and calcining the catalyst precursor mixture to form a dried catalyst composition comprising titanium, vanadium, and bismuth.4. The process of claim 3 , wherein step (a) comprises:contacting the vanadium precursor and the bismuth precursor with a reductant to form a vanadium/bismuth precursor mixture;contacting the titanium precursor and phosphoric acid to form a titanium precursor mixture; andcontacting the titanium precursor mixture with the vanadium/bismuth precursor mixture to form the catalyst precursor mixture.5. The process of claim 3 , further comprising calcining the dried catalyst in accordance with a temperature profile to form the dried catalyst composition.6. The process of claim 3 , wherein said contacting further comprises contacting one or more of said titanium precursor claim 3 , vanadium precursor claim 3 , bismuth precursor and wet catalyst precursor mixture with an additive selected from the group consisting of molding assistants claim 3 , ...

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Номер записи: 93
19-09-2013 дата публикации

Catalyst for Producing Acrylic Acids and Acrylates

Номер: US20130245312A1
Автор: Bowden Elizabeth, Chapman Josefina T., Mueller Sean, Nagaki Dick, Pan Tianshu, Peterson Craig J.
Принадлежит: Celanese International Corporation

The invention is to a process for producing an acrylate product. The process includes the steps of contacting an alkanoic acid and an alkylenating agent over a catalyst composition under conditions effective to produce the acrylate product. The catalyst composition comprises vanadium, bismuth and titanium. Preferably, the catalyst comprises 0.3 wt % to 30 wt % vanadium, 0.1 wt % to 69 wt % bismuth and 0.1 wt % to 61 wt % tungsten, in an active phase. 1. A process for producing an acrylate product , the process comprising the steps of:contacting an alkanoic acid and an alkylenating agent over a catalyst under conditions effective to produce the acrylate product,wherein the catalyst comprises vanadium, bismuth, and tungsten.2. The process of claim 1 , wherein the alkylenating agent comprises a methylenating agent.3. The process of claim 1 , wherein the alkanoic acid comprises acetic acid.4. The process of claim 1 , wherein the molar ratio of alkanoic acid to alkylenating agent is at least 0.50:1.5. The process of claim 1 , wherein the overall alkanoic acid conversion is at least 15 mol %.6. The process of claim 1 , wherein the acrylic acid selectivity is at least 30%.7. The process of claim 1 , wherein the space time yield of the combination of acrylic acid and acrylates is at least 50 grams per liter of catalyst per hour.8. The process of claim 1 , wherein the yield of acrylic acid based on alkanoic acid conversion is at least 20%.9. A process for producing a catalyst composition claim 1 , the process comprising the steps of:contacting a bismuth salt, a tungsten salt, and a vanadium precursor solution to form a wet catalyst composition; anddrying the catalyst composition to form a dried catalyst composition comprising vanadium, bismuth, and tungsten.10. The process of claim 9 , further comprising the step of:mixing the vanadium precursor and a reductant solution to form the vanadium precursor solution.11. The process of claim 9 , wherein the contacting comprises: ...

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Номер записи: 94
19-09-2013 дата публикации

Ammoximation Process

Номер: US20130245322A1
Автор: Patterson Alexander James, Raja Robert
Принадлежит: University of Southampton

A redox ammoximation process in which a ketone or aldehyde is reacted with ammonia and oxygen in the presence of a catalyst, wherein: the catalyst is an aluminophosphate based redox catalyst having the qualitative general formula (I) MMAlPO-5 (I) in which Mis at least one transition metal atom having redox catalytic capability; Mis at least one metal atom in the (IV) oxidation state; Mand Mare different from each other; and a proportion of the phosphorous atoms in the MMAlPO-5 type structure are replaced by Matoms. 1. A redox ammoximation process in which a ketone or aldehyde is reacted with ammonia and oxygen in the presence of a catalyst , wherein: {'br': None, 'sup': 1', '2, 'MMAlPO-5\u2003\u2003(I)'}, 'the catalyst is an aluminophosphate based redox catalyst having the qualitative general formula (I)'}{'sup': '1', 'wherein Mis at least one transition metal atom having redox catalytic capability;'}{'sup': '2', 'Mis at least one metal atom in the (IV) oxidation state;'}{'sup': 1', '2', '1', '2', '2, 'Mand Mare different from each other; and a proportion of the phosphorous atoms in the MMAlPO-5 type structure are replaced by Matoms.'}2. A process according to wherein Mis at least one transition metal in the (IV) oxidation state.3. A process according to wherein Mis selected from Ge(IV) claim 1 , Sn(IV) claim 1 , Ti(IV) claim 1 , Re(IV) claim 1 , V(IV) and mixtures thereof.4. A process according to when Mis Ti (IV).5. A process according to wherein the catalyst is selected from CoTiAlP-5 claim 4 , MnTiAlPO-5 claim 4 , FeTiAlPO-5 claim 4 , CrTiALPO-5 claim 4 , CuTiALPO-5 claim 4 , VTiAlPO-5 and RuTiALPO-5.6. A process according to wherein the catalyst is selected from CoTiAlPO-5 claim 5 , MnTiAlPO-5 and FeTiAlPO-5.7. A process according to wherein the Mis selected from Co(III) claim 1 , Mn(III) claim 1 , Fe(III) claim 1 , Cr(VI) claim 1 , Cu(III) claim 1 , V(V) and Ru(III).8. A process according to wherein the Mis selected from Co(III) claim 7 , Mn(III) and Fe (III). ...

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Номер записи: 95
19-09-2013 дата публикации

Ammoximation Process

Номер: US20130245323A1
Автор: Raja Robert, THOMAS John Meuring
Принадлежит: University of Southampton

A redox ammoximation process in which a ketone or aldehyde is reacted with ammonia and oxygen in the presence of a catalyst; wherein the catalyst is an aluminophosphate based redox catalyst having at least two different redox catalytic sites comprising different transition metal atoms. 1. A redox ammoximation process comprising reacting a ketone or aldehyde with ammonia and oxygen in the presence of a catalyst; whereinthe catalyst is an aluminophosphate based redox catalyst having at least two different redox catalytic sites comprising different transition metal atoms.3. A process according to wherein Wand Meach represents a different atom selected from Co(III) claim 2 , Mn(III) claim 2 , Fe(III) claim 2 , Ti(IV) claim 2 , Cr(VI) claim 2 , Cu(III) claim 2 , V(V) and Ru(III).4. A process according to wherein Mand Meach represents a different atom selected from Co(III) claim 3 , Mn(III) and Fe(III).5. A process according to wherein the catalyst is of the MMAlPO-5 claim 1 , MMAlPO-18 or MMAlPO-36 type.6. A process according to wherein the catalyst is of the MMAlPO-5 type.7. A process according to wherein the catalyst is CoMnAlPO-5 claim 6 , CoFeAlPO-5 or MnFeAlPO-5.8. A process according to wherein the ammonia is in the form of aqueous ammonium hydroxide.9. A process according to further comprising carrying out the process at a temperature in the range from 50 to 95° C.10. A process according to further comprising carrying out the process at a temperature in the range from 70 to 90° C.11. A process according to where the starting material is a ketone.12. A process according to wherein the reaction product is an oxime.13. A process according to wherein cyclohexanone is converted to cyclohexanone-oxime.14. A process according to wherein the oxime is converted to an ∈—caprolactam. The present invention relates to an ammoximation process using a redox catalyst comprising an aluminophosphate, commonly referred to as an “AlPO” system.AlPO compounds are well known and are ...

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Номер записи: 96
19-09-2013 дата публикации

Catalyst compositions for converting syngas to produce higher alcohols

Номер: US20130245328A1
Автор: Christopher W. Jones, Pradeep K. Agrawal, Tien Thao Nguyen
Принадлежит: Georgia Tech Research Corp

Catalyst compositions for production of higher alcohols comprise a hydrotalcite or hydrotalcite-like support impregnated with molybdenum and an alkali metal. When the compositions are used to convert syngas, selectivity to higher (C2+) alcohols is increased in comparison to conversions accomplished over many other catalyst systems.

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Номер записи: 97
26-09-2013 дата публикации

THERMAL TREATMENT SYSTEM FOR SPENT HYDROPROCESSING CATALYST

Номер: US20130247406A1
Автор: Odueyungbo Oluwaseyi Abiodun
Принадлежит: Chevron U.S.A. INC.

A process to upgrade heavy oil and convert the heavy oil into lower boiling hydrocarbon products is provided. The process employs a catalyst slurry comprising catalyst particles with an average particle size ranging from 1 to 20 microns. In the upgrade process, spent slurry catalyst in heavy oil is generated as an effluent stream, which is subsequently recovered/separated from the heavy oil via membrane filtration. Residual hydrocarbons, i.e., heavy oil and solvent employed in the filtration for the heavy oil extraction are removed from the catalyst particles in a drying zone which employs at least two drying apparatuses to volatize residual hydrocarbons in the catalyst. Valuable metals can be recovered from catalyst particles for subsequent re-use in a catalyst synthesis unit, generating a fresh slurry catalyst. 1. A system for removing hydrocarbons including solvents and heavy oil from catalyst particulate from a composition containing catalyst particles in 50 to 90 wt. % hydrocarbons , the system comprising:a drying zone comprising a first drying apparatus and at least a second drying apparatus with the second drying apparatus being operated at a temperature sufficiently high to volatize at least 90% of hydrocarbons from the catalyst particles; andmeans for collecting and recovering the volatized hydrocarbons.2. The system of claim 1 , wherein the first drying apparatus is selected from the group consisting of an indirect fired kiln claim 1 , an indirect rotary fired kiln claim 1 , an indirect fired dryer claim 1 , an indirect fired rotary dryer claim 1 , an electrically heated kiln claim 1 , an electrically heated rotary kiln claim 1 , a microwave heated kiln claim 1 , a microwave heated rotary kiln claim 1 , a vacuum dryer claim 1 , a flexicoker claim 1 , and a fluid bed dryer.3. The system of claim 1 , wherein the first drying apparatus is an indirect fired rotary kiln.4. The system of claim 1 , wherein the first drying apparatus is an indirect fired rotary ...

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Номер записи: 98
26-09-2013 дата публикации

HIGHLY STABLE HYDROCARBON-SOLUBLE MOLYBDENUM CATALYST PRECURSORS AND METHODS FOR MAKING SAME

Номер: US20130248422A1
Автор: Qiu He, Zhou Bing
Принадлежит: HEADWATERS TECHNOLOGY INNOVATION, LLC

Hydrocarbon-soluble molybdenum catalyst precursors include a plurality of molybdenum cations and a plurality of carboxylate anions having at least 8 carbon atoms. The carboxylate anions are alicyclic, aromatic, or branched, unsaturated and aliphatic, and can derived from carboxylic acids selected from 3-cyclopentylpropionic acid, cyclohexanebutyric acid, biphenyl-2-carboxylic acid, 4-heptylbenzoic acid, 5-phenylvaleric acid, geranic acid, 10-undecenoic acid, dodecanoic acid, and combinations thereof. The molybdenum salts have decomposition temperatures higher than 210° C. The catalyst precursors can form a hydroprocessing molybdenum sulfide catalyst in heavy oil feedstocks. Also disclosed are methods for making catalyst precursors and hydrocracking heavy oil using active catalysts. 1. A molybdenum catalyst precursor composition comprising: a plurality of molybdenum atoms; and', 'a plurality of carboxylate anions coordinated with each molybdenum atom, each of which has at least 8 carbon atoms and is selected from the group of (a) aromatic carboxylate anions, (b) alicyclic carboxylate anions, (c) branched, unsaturated and aliphatic carboxylate anions, and mixtures thereof;', 'wherein the molybdenum catalyst precursor is hydrocarbon soluble and has a first peak decomposition temperature of at least 210° C., 'a molybdenum catalyst precursor composed of2. A molybdenum catalyst precursor composition as in claim 1 , wherein the ratio of carboxylate anions to molybdenum atoms in the molybdenum catalyst precursor is less than 4:1.3. A molybdenum catalyst precursor composition as in claim 1 , wherein the molybdenum atoms in the molybdenum catalyst precursor have a valence in a range of about 4+ to 6+.4. A molybdenum catalyst precursor composition as in claim 1 , wherein the plurality of carboxylate anions are provided by at least one carboxylic acid selected from the group consisting of 3-cyclopentylpropionic acid claim 1 , cyclohexanebutyric acid claim 1 , biphenyl-2- ...

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Номер записи: 99
26-09-2013 дата публикации

EXHAUST GAS PURIFICATION CATALYST SUPPRESSING INFLUENCE OF IRON COMPOUND

Номер: US20130251612A1
Автор: IMADA NAOMI, KAI KEIICHIRO, Kato Yasuyoshi
Принадлежит: BABCOCK-HITACHI KABUSHIKI KAISHA

An exhaust gas purification catalyst contains titanium oxide as a main component and an oxide of one element or two or more elements selected from the group consisting of tungsten (W), molybdenum (Mo), and vanadium (V) as an active component, wherein the exhaust gas purification catalyst contains phosphoric acid or a water soluble phosphoric acid compound so that the atomic ratio of phosphorus (P) to a catalytically active component represented by the following formula is more than 0 and 1.0 or less; P/catalytically active component (atomic ratio)=number of moles of P/(number of moles of W+number of moles of Mo+number of moles of V). 1. A method for purifying an exhaust gas , comprising:contacting the exhaust gas with an exhaust gas purification catalyst;wherein the exhaust gas purification catalyst comprises titanium oxide as a main component and an oxide of one element or two or more elements selected from the group consisting of tungsten (W), molybdenum (Mo), and vanadium (V) as an active component;wherein the active component is reacted with phosphoric acid or a water soluble phosphoric acid compound to form a complex thereof so that the atomic ratio of phosphorus (P) to a catalytically active component represented by the following formula is 0.2 to 1.0:P/catalytically active component (Atomic ratio)=number of moles of P/(number of moles of W+number of moles of Mo+number of moles of V);wherein the exhaust gas contains nitrogen oxide and elemental mercury; andwherein the nitrogen oxide is reduced by ammonia.2. The method of claim 1 , wherein the exhaust gas purification catalyst is supported on a metal substrate.3. The method of claim 1 , wherein the one element or two or more elements consist of tungsten (W).4. The method of claim 1 , wherein the one element or two or more elements consist of molybdenum (Mo).5. The method of claim 1 , wherein the one element or two or more elements consist of vanadium (V).6. The method of claim 1 , wherein the one element or two ...

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Номер записи: 100