Поиск патентов

Настройки

Глубина выборки

Укажите год

Небесная энциклопедия

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

Подробнее

Мониторинг СМИ

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

Подробнее

Форма поиска

Ключевые слова. Может быть несколько по одной на строку

Поддерживает ввод нескольких поисковых фраз (по одной на строку). При поиске обеспечивает поддержку морфологии русского и английского языка

Автор

Ведите корректный номера.

Владелец

Ведите корректный номера.

Классы IPC

Ведите корректный номера.

Классы CPC

Ведите корректный номера.

Начиная с года

Укажите год

Заканчивая годом

Укажите год

Применить Всего найдено 4798. Отображено 100.

05-01-2012 дата публикации

Process for producing alkylated aromatic compounds and process for producing phenols

Номер: US20120004471A1

Автор: Kenji Fujiwara, Masao Imai, Masayasu Ishibashi, Shinobu Aoki, Terunori Fujita, Tsuneyuki Ohkubo

Принадлежит: Mitsui Chemicals Inc

According to a process of the invention, a ketone, an aromatic compound and hydrogen as starting materials are reacted together in a single reaction step to produce an alkylaromatic compound in high yield. A process for producing phenols in the invention includes a step of performing the above alkylation process and does not increase the number of steps compared to the conventional cumene process. The process for producing alkylated aromatic compounds includes reacting an aromatic compound such as benzene, a ketone such as acetone and hydrogen in the presence of a solid acid substance, preferably a zeolite, and a silver-containing catalyst.

Подробнее

Номер записи: 1

26-01-2012 дата публикации

Process for preparing aromatics from methane

Номер: US20120022310A1

Автор: Annebart Engbert Wentink, Christian Schneider, Joana Coelho Tsou, Kati Bachmann, Sebastian Ahrens, Thomas Heidemann

Принадлежит: BASF SE

The present invention relates to a process for carrying out endothermic, heterogeneously catalyzed reactions in which the reaction of the starting materials is carried out in the presence of a mixture of inert heat transfer particles and catalyst particles, where the catalyst particles are regenerated in a nonoxidative atmosphere at regular intervals and the heat of reaction required is introduced by separating off the inert heat transfer particles, heating the heat transfer particles in a heating zone and recirculating the heated heat transfer particles to the reaction zone. The process of the invention is particularly suitable for the nonoxidative dehydroaromatization of C 1 -C 4 -aliphatics in the presence of zeolite-comprising catalysts.

Подробнее

Номер записи: 2

01-03-2012 дата публикации

Process for selectively making olefins from energy dense alcohols

Номер: US20120053384A1

Автор: Douglas A. Behrens, Ivan C. Lee

Принадлежит: US Department of Army

A process to perform selective catalytic oxidation of four-carbon alcohols to produce four-carbon olefins with yields greater than 90%. The process includes providing a supply of oxygen gas and a butanol fuel, atomizing and evaporating the fuel to produce a vapor, mixing the vapor with the oxygen to form a fuel mixture, reacting the fuel mixture in the presence of a heated solid Rh/Al 2 O 3 or Al 2 O 3 catalysts.

Подробнее

Номер записи: 3

08-03-2012 дата публикации

Zeolite-palladium complex, method for producing the same, catalyst containing the complex, and method for producing a coupling compound by using the catalyst

Номер: US20120059191A1

Автор: Hirosuke Matsui, Kazu Okumura, Miki Niwa, Shizuyo Okuda, Takuya Tomiyama, Yoshinori Enmi

Принадлежит: Individual

There is provided a substance having much higher catalytic activity for a Suzuki-Miyaura coupling reaction than conventional heterogenous catalysts. The present invention provides a zeolite-palladium complex including USY-zeolite and Pd supported on the USY-zeolite, the Pd having a Pd—Pd coordination number of 4 or less and an oxidation number of 0.5 or less.

Подробнее

Номер записи: 4

29-03-2012 дата публикации

Removal of Hydrogen From Dehydrogenation Processes

Номер: US20120078024A1

Автор: James N. Waguespack, James R. Butler, Jason Clark

Принадлежит: Fina Technology Inc

A process and system for dehydrogenating certain hydrocarbons is disclosed. The process includes contacting a dehydrogenatable hydrocarbon with steam in the presence of a dehydrogenation catalyst to form hydrogen and a dehydrogenated hydrocarbon. Some of the hydrogen is then removed and some of the remaining dehydrogenatable hydrocarbon is dehydrogenated.

Подробнее

Номер записи: 5

10-05-2012 дата публикации

Multiple zeolite catalyst

Номер: US20120116139A1

Автор: Katsuhiko Ishikawa, Khalid Al-Nawad, Masayuki Inui, Minoru Hatayama, Mohammad A. Ali, Muhammad A. Al-Saleh, Syed A. Ali, Tomoyuki Inui, Tsutomo Okamoto

Принадлежит: Japan Cooperation Center Petroleum (JCCP), KING FAHD UNIVERSITY OF PETROLEUM AND MINERALS

The multiple zeolite catalyst is a catalytic composition used to convert C 9+ alkylaromatic hydrocarbons to BTX, particularly commercially valuable xylenes. The catalyst is formed by mixing at least two zeolites selected from mordenite, beta zeolite, ZSM-5, ZSM-11, ZSM-12, ZSM-22, ZSM-23, MFI topology zeolite, NES topology zeolite, EU-1, MAPO-36, SAPO-5, SAPO-11, SAPO-34, and SAPO-41, and adding at least one metal component selected from Group VIB and Group VIII of the Periodic Table of the Elements. The two zeolites should have different physical and chemical characteristics, such as pore size and acidity. An exemplary catalyst includes mordenite, ZSM-5, and 3 wt. % molybdenum. The transalkylation reaction may be conducted in one or more reactors with a fixed bed, moving bed, or radial flow reactor at 200-540° C., a pressure of 1.0-5.0 MPa, and liquid hourly space velocity of 1.0-5.0 per hour.

Подробнее

Номер записи: 6

17-05-2012 дата публикации

Methane aromatization catalyst, method of making and method of using the catalyst

Номер: US20120123176A1

Автор: Armin Lange De Oliveira, Peter Tanev Tanev

Принадлежит: Shell Oil Co

A catalyst for converting methane to aromatic hydrocarbons is described herein. The catalyst comprises an active metal or a compound thereof, and an inorganic oxide support wherein the active metal is added to the support in the form of metal oxalate. The metal oxalate-derived catalyst exhibits superior performance in the conversion of methane-rich feed to aromatics products relative to catalysts prepared from non-oxalate metal precursors. A method of making the catalyst and a method of using the catalyst are also described.

Подробнее

Номер записи: 7

12-07-2012 дата публикации

Process For Producing Cyclohexylbenzene

Номер: US20120178969A1

Автор: Jane C. Cheng, Prasenjeet Ghosh, Tan-Jen Chen

Принадлежит: ExxonMobil Chemical Patents Inc

In a process for producing cyclohexylbenzene, benzene and hydrogen are contacted under hydroalkylation conditions with a catalyst system comprising a MCM-22 family molecular sieve and at least one hydrogenation metal. The conditions comprise a temperature of about 140° C. to about 175° C., a pressure of about 135 psig to about 175 psig (931 kPag to 1207 kPag), a hydrogen to benzene molar ratio of about 0.30 to about 0.65 and a weight hourly space velocity of benzene of about 0.26 to about 1.05 hr −1 .

Подробнее

Номер записи: 8

27-09-2012 дата публикации

Method for producing n-propyl acetate

Номер: US20120245376A1

Автор: Katsuyuki Tsuji, Shigeru Hatanaka

Принадлежит: Showa Denko KK

One object of the present invention is to provide a method for producing n-propyl acetate by the hydrogenation reaction with a hydrogenation catalyst, using an allyl acetate containing solution as a raw material, wherein the method can prevent the conversion rate of the substrate (allyl acetate) from decreasing with time and the product quality from deteriorating, and the present invention provides a method for producing n-propyl acetate including a first hydrogenation step in which a raw material solution containing allyl acetate and a hydrogen containing gas are reacted under a pressure P 1 of 1.0 MPa G (gage pressure) or more in the presence of a hydrogenation catalyst, to hydrogenate the allyl acetate to produce a hydrogenation reaction product containing n-propyl acetate: a gas-liquid separation step in which the hydrogenation reaction product is gas-liquid separated into to produce a crude n-propyl acetate solution containing n-propyl acetate: and a second hydrogenation step in which non-reacted allyl acetate contained in the crude n-propyl acetate solution is hydrogenated using hydrogen dissolved in the crude n-propyl acetate solution in the presence of a hydrogenation catalyst.

Подробнее

Номер записи: 9

08-11-2012 дата публикации

Dehydrogenation Process

Номер: US20120283494A1

Автор: Charles M. Smith, Tan-Jen Chen, Teng Xu, Terry E. Helton

Принадлежит: ExxonMobil Chemical Patents Inc

In a dehydrogenation process a hydrocarbon stream comprising at least one non-aromatic six-membered ring compound and at least one five-membered ring compound is contacted with a first catalyst comprising at least one metal component and at least one support and a second catalyst. The first catalyst is utilized to convert at least a portion of the at least one non-aromatic six-membered ring compound in the hydrocarbon stream to at least one aromatic compound and the second catalyst is utilized to convert at least a portion of the at least one five-membered ring compound in the hydrocarbon stream to at least one paraffin.

Подробнее

Номер записи: 10

22-11-2012 дата публикации

Catalyst and process for hydrogenating aromatics

Номер: US20120296111A1

Автор: Daniela Mirk, Jutta Bickelhaupt, Lucia KÖNIGSMANN, Mario Emmeluth, Martin Bock, Michael Hesse, Thomas Heidemann

Принадлежит: BASF SE

The present invention relates to an eggshell catalyst comprising an active metal selected from the group consisting of ruthenium, rhodium, palladium, platinum and mixtures thereof, applied to a support material comprising silicon dioxide, wherein the pore volume of the support material is 0.6 to 1.0 ml/g, determined by Hg porosimetry, the BET surface area is 280 to 500 m 2 /g, and at least 90% of the pores present have a diameter of 6 to 12 nm, to a process for preparing this eggshell catalyst, to a process for hydrogenating an organic compound which comprises at least one hydrogenatable group using the eggshell catalyst, and to the use of the eggshell catalyst for hydrogenating an organic compound.

Подробнее

Номер записи: 11

14-03-2013 дата публикации

Hydroisomerization and selective hydrogenation of feedstock in ionic liquid-catalyzed alkylation

Номер: US20130066121A1

Автор: Bi-Zeng Zhan, Howard Steven Lacheen, Hye-Kyung Cho Timken

Принадлежит: Chevron USA Inc

A process for producing alkylate comprising contacting a first hydrocarbon stream comprising at least one olefin having from 2 to 6 carbon atoms which contains 1,3-butadiene and 1-butene with a hydroisomerization catalyst in the presence of hydrogen under conditions favoring the simultaneous selective hydrogenation of 1,3-butadiene to butenes and the isomerization of 1-butene to 2-butene and contacting the resulting stream and a second hydrocarbon stream comprising at least one isoparaffin having from 3 to 6 carbon atoms with an acidic ionic liquid catalyst under alkylation conditions to produce an alkylate is disclosed.

Подробнее

Номер записи: 12

23-05-2013 дата публикации

Production of renewable aromatic compounds

Номер: US20130130345A1

Автор: David A. Sikkenga, Wendy Thai, Will SCHROEDER

Принадлежит: JNF BIOCHEMICALS LLC

The invention provides a process for producing a variety renewable aromatic compounds such as benzene, toluene, xylenes, and cumene, as well as compounds derived from these including, for example, aniline, benzoic acid, cresol, cyclohexane, cyclohexanone, phenol and bisphenol A, toluene di-isocyanate, isophthalic acid, phthalic anhydride, terephthalic acid and dimethyl terephthalate. The invention also provides for renewable forms of these aromatic compounds.

Подробнее

Номер записи: 13

15-08-2013 дата публикации

Fischer-tropsch catalyst regeneration

Номер: US20130210939A1

Автор: Erling Rytter, Oyvind Borg, Sigrid Eri, Torild Hulsund Skagseth

Принадлежит: GTL F1 AG

A process for the regeneration of deactivated catalyst from a Fischer-Tropsch synthesis reactor, the catalyst being a supported cobalt catalyst. The process comprises the following steps: a withdrawal step, in which a portion of deactivated catalyst together with liquid hydrocarbon is withdrawn from the reactor; a concentration step, in which the concentration of the catalyst in the liquid hydrocarbon is increased; a calcination step, in which the deactivated catalyst composition is subjected to an oxidising gas to oxidise carbonaceous material contained in the deactivated catalyst in to gaseous oxides of the components of the carbonaceous material; and a reactivation step, in which the deactivated catalyst composition is reactivated to produced a regenerated catalyst.

Подробнее

Номер записи: 14

12-09-2013 дата публикации

Method for tiered production of biobased chemicals and biofuels from lignin

Номер: US20130232852A1

Автор: Benjamin M.T. Scott, John R. Peterson, Vladimir Romakh

Принадлежит: Thesis Chemistry LLC

The present invention is directed generally to a method of production of value-added, biobased chemicals from lignin sources, including waste lignin. A method of using a depolymerization of lignin to create a tiered production of biobased aromatic chemicals and biofuels is also described herein. The method described herein may also allow for the selective production of the biobased aromatic chemicals and biofuels. Additionally, a reduction of waste products may also be provided from the present method.

Подробнее

Номер записи: 15

31-10-2013 дата публикации

Method of carrying out cc-coupling reactions

Номер: US20130289321A1

Автор: Damien Hauwaert, Eric Gaigneaux, Marc Jacquemin

Принадлежит: Universite Catholique de Louvain UCL

The present invention is directed to a method of carrying out Suzuki-Miyaura CC-coupling reactions, including reacting an aryl halide with an aryl boronic acid in an organic solvent in the presence of a carbon supported palladium catalyst and a base, wherein the reactions are carried out at constant pH. The invention is also directed to a palladium on carbon catalyst suitable for catalyzing Suzuki-Miyaura CC-coupling reactions.

Подробнее

Номер записи: 16

26-12-2013 дата публикации

Reduction of c-0 bonds by catalytic transfer hydrogenolysis

Номер: US20130345445A1

Автор: Anna Lundstedt, Joseph Samec, Supaporn SAWADJOON

Принадлежит: KAT2BIZ AB

The present invention relates to a method of reducing a C—O bond to the corresponding C—H bond in a substrate which could be a benzylic alcohol, allylic alcohol, ester, or ether or an ether bond beta to a hydroxyl group or alpha to a carbonyl group.

Подробнее

Номер записи: 17

13-02-2014 дата публикации

Isomerization of light alpha-olefins to light internal olefins

Номер: US20140046110A1

Автор: Michael Hesse, Piotr Makarczyk, Stefan Iselborn

Принадлежит: BASF SE

The present invention relates to a process for isomerizing linear alpha-olefins having from 4 to 8 carbon atoms over a heterogeneous catalyst, wherein the catalyst comprises a hydrogenation metal and a selectivity promoter selected from among selenium and tellurium on a support, and also a process for preparing 1-olefins by a metathesis reaction of 2-olefins with ethene, wherein the 2-olefins are prepared by the above mentioned isomerization process.

Подробнее

Номер записи: 18

27-02-2014 дата публикации

3,3',4,4'-tetraalkyl cyclohexylbenzene and method for producing same

Номер: US20140058143A1

Автор: Hikaru Yatabe, Yasushi Yamamoto

Принадлежит: UBE Industries Ltd

The present invention relates to a 3,3′,4,4′-tetraalkyl cyclohexylbenzene represented by the general formula (1): wherein R represents an alkyl group having 1 to 4 carbon atoms, which may be easily converted into a 3,3′,4,4′-biphenyltetracarboxylic acid and a 3,3′,4,4′-biphenyltetracarboxylic dianhydride thereof, which are a starting material for a polyimide, via a 3,3′,4,4′-tetraalkylbiphenyl; and a method for producing the same.

Подробнее

Номер записи: 19

07-01-2016 дата публикации

Process for Making Alkylated Aromatic Compound

Номер: US20160001276A1

Автор: Gabor Kiss, Tan-Jen Chen, Terry E. Helton, Thomas E. Green, William A. Lamberti, William C. Horn

Принадлежит: ExxonMobil Chemical Patents Inc

A process for producing an alkylated aromatic compound comprises contacting an aromatic starting material and hydrogen with a plurality of catalyst particles under hydroalkylation conditions to produce an effluent comprising the alkylated aromatic compound, the catalyst comprising a composite of a solid acid, an inorganic oxide different from the solid acid and a hydrogenation metal, wherein the distribution of the hydrogenation metal in at least 60 wt % of the catalyst particles is such that the average concentration of the hydrogenation metal in the rim portion of a given catalyst particle is Crim, the average concentration of the hydrogenation metal in the center portion of the given catalyst particle is Ccenter, where 0.2≦Crim/Ccenter<2.0. Also disclosed are hydroalkylation catalyst and process for making phenol and/or cyclohexanone using the catalyst.

Подробнее

Номер записи: 20

02-01-2020 дата публикации

Membrane process for olefin separation

Номер: US20200001242A1

Автор: Chunqing Liu, J. Mark Houdek, Stanley J. Frey, Trung Pham

Принадлежит: UOP LLC

A process is provided to separate a hydrocarbon stream comprising a mixture of light olefins and light paraffins, the process comprising sending the hydrocarbon stream through a pretreatment unit to remove impurities selected from the group consisting of sulfur compounds, arsine, phosphine, methyl acetylene, propadiene, and acetylene to produce a treated hydrocarbon stream; vaporizing the treated hydrocarbon stream to produce a gaseous treated hydrocarbon stream; adding liquid or vapor water to the gaseous treated hydrocarbon stream; then contacting the gaseous treated hydrocarbon stream to a membrane in a membrane system comprising one or more membrane units to produce a permeate stream comprising about 96 to 99.9 wt % light olefins and a retentate stream comprising light paraffins.

Подробнее

Номер записи: 21

02-01-2020 дата публикации

Palladium Catalysts Supported on Carbon for Hydrogenation of Aromatic Hydrocarbons

Номер: US20200001274A1

Автор: Chen Tao, Cherkauskas, JR. John P., Podkolzin Simon G., TADEPALLI Sunitha Rao, TAMPY Geatesh Karunakaran, Yang Muye, Zheng Yiteng

Принадлежит:

Provided is a process for preparing partially or fully hydrogenated hydrocarbons through hydrogenation of aromatic hydrocarbons in the presence of a hydrogenation catalyst. The hydrogenation catalyst comprises palladium deposited on carbon with optional acid wash and calcination treatments and with optional additions of silver and/or alkali metals. 1. A chemical catalyst , comprising an acid-washed carbon base and palladium deposited on said carbon base.2. The chemical catalyst of claim 1 , wherein said carbon base is an activated carbon base.3. The chemical catalyst of claim 1 , wherein said carbon base is calcinated before said palladium is deposited thereon.4. The chemical catalyst of claim 1 , wherein said catalyst comprises from about 0.1 to about 5 weight percentage of palladium.5. The chemical catalyst of claim 1 , further comprising a metal additive deposited on said carbon base with said palladium.6. The chemical catalyst of claim 5 , wherein the molar ratio of said palladium to said metal additive is in a range of from 1:1 to 12:1.7. The chemical catalyst of claim 5 , wherein said metal additive comprises a metal selected from the group consisting of alkali metals and silver.8. A method of making a chemical catalyst claim 5 , comprising the steps of:(i) dissolving a first precursor in deionized water to form a solution;(ii) depositing said solution onto an acid-washed carbon base; and(iii) drying said carbon base in the presence of static air.9. The method of claim 8 , wherein step (ii) is conducted according to the incipient wetness method.10. The method of claim 8 , wherein said carbon base is an activated carbon base.11. The method of claim 8 , further comprising the step of calcining said carbon base prior to the performance of step (ii).12. The method of claim 11 , wherein no calcination treatment is applied to said carbon base following the performance of step (ii).13. The method of claim 11 , wherein said calcining step involves subjecting said ...

Подробнее

Номер записи: 22

05-01-2017 дата публикации

Catalyst composite and preparation thereof for isomerization of paraffins

Номер: US20170001924A1

Автор: Peddy Venkatachallapathy Rao, Raman Ravishankar, Safinaz Saif, Sriganesh Gandham, Venkateswarlu Choudary Nettem

Принадлежит: Hindustan Petroleum Corp Ltd

A catalyst composition is provided for isomerization of paraffins comprising of at least one heteropoly acid and reduced graphene oxide. Further provided are a process for preparation of the catalyst composition and a process for isomerization of paraffins using the catalytic composition.

Подробнее

Номер записи: 23

04-01-2018 дата публикации

CATALYTIC PROCESS FOR DIENE DIMERIZATION

Номер: US20180002251A1

Автор: RIOS NEYRA Cesar, SZETO Kai Chung, Taoufik Mostafa

Принадлежит:

The disclosure relates to a selective head-to-head dimerization of conjugated diene compounds by a catalytic process in a reaction medium without solvent or with solvent comprising hydrocarbons, in the presence of a specific additive of the phenol type. 1. A process for the head-to-head dimerization of conjugated diene compounds comprising contacting , in a reaction medium the conjugated diene compounds with a catalyst in the presence of a phenol compound.2. The process according to claim 1 , wherein the reaction medium comprises a solvent comprising hydrocarbons.3. The process according to claim 1 , wherein the reaction medium is solvent free.4. The process according to claim 1 , wherein the conjugated diene compounds are terminal conjugated diene compounds.5. The process according to claim 1 , wherein the conjugated diene compounds are asymmetric conjugated diene compounds.8. The process according to claim 1 , wherein the conjugated diene compounds are selected from myrcene or farnesene.9. The process according to claim 1 , wherein the catalyst is a homogeneous catalyst.10. The process according to claim 1 , wherein the catalyst is a heterogeneous catalyst.11. The process according to claim 2 , wherein the solvent comprises at least 50% by weight of hydrocarbons.12. The process according to claim 2 , wherein the hydrocarbons comprised in the solvent are chosen from pentane claim 2 , heptane claim 2 , hexane claim 2 , cyclohexane claim 2 , toluene and xylene.13. The process according to claim 1 , wherein the phenol compound is selected from phenol claim 1 , dimethylphenol claim 1 , diethylphenol claim 1 , mesitylphenol claim 1 , 2 claim 1 ,4 claim 1 ,6-trimethylphenol claim 1 , 2 claim 1 ,6-di-tert-butyl-4-methylphenol claim 1 , dichlorophenol claim 1 , 2-hydroxybenzotrifluoride claim 1 , o-methoxyphenol claim 1 , diphenylphenol claim 1 , o-cresol claim 1 , hydroquinone claim 1 , diisopropylphenol claim 1 , or diterbutylphenol.14. The process according to claim 1 , ...

Подробнее

Номер записи: 24

02-01-2020 дата публикации

Process for Converting Butanol into Propylene

Номер: US20200002244A1

Автор: Dath Jean-Pierre, Minoux Delphine, Nesterenko Nikolai, Vermeiren Walter

Принадлежит:

Process for selective the conversion of primary C4 alcohol into propylene comprising: contacting a stream () containing essentially a primary C4 alcohol with at least one catalyst at a temperature ranging from 150° C. to 500° C. and at pressure ranging from 0.01 MPa to 10 MPa conditions effective to transform said primary C4 alcohol into an effluent stream () containing essentially propylene, carbon monoxide and di-hydrogen, said transformation of primary C4 alcohol comprising at least a reaction of decarbonylation and optionally a decarboxylation reaction, said at least one catalyst comprising a support being a non-acidic i.e. having a TPD NH3 of less than 50 preferably less than 40 μmol/g and optionally a non-basic catalyst i.e. having a TPD CO2 of less than 100 preferably less than 50 μmol/g. 115.-. (canceled)16. A process for the conversion of primary C4 alcohol into propylene comprising:{'b': 1', '2', '5, 'contacting a stream () containing a primary C4 alcohol with at least one catalyst at a temperature ranging from 150° C. to 500° C. and at pressure ranging from 0.01 MPa to 10 MPa to transform the primary C4 alcohol into an effluent stream (, ) containing propylene, carbon monoxide and di-hydrogen, the transformation of primary C4 alcohol comprising at least a reaction of decarbonylation and optionally a decarboxylation reaction, the at least one catalyst comprising support which is non-acidic, having a TPD NH3 of less than 50 μmol/g and which is also a non-basic, having a TPD CO2 of less than 100 μmol/g.'}17125. The process according to wherein stream () is contacted with the at least one catalyst to produce an effluent stream ( claim 16 , ) wherein at least 1 wt % of primary C4 alcohol is converted into propylene claim 16 , carbon monoxide and di-hydrogen.181121. The process according to claim 16 , wherein the step of contacting the primary C4 alcohol stream () with the at least one catalyst is performed in a single reaction zone (A) and the at least one ...

Подробнее

Номер записи: 25

02-01-2020 дата публикации

INTEGRATION OF AN ORGANIC CHLORIDE DECOMPOSITION REACTOR ON THE ISOMERIZATION/DEISOBUTANIZER C5 DRAG STREAM

Номер: US20200002248A1

Автор: Krupa Steven L., Shecterle David J.

Принадлежит:

A process for producing an isomerized product comprises sending a feed stream comprising butanes, hydrogen and an organic chloride to a butane isomerization reactor containing an isomerization catalyst to convert a portion of normal butanes in said feed stream to iso-butanes in an isomerized stream. The isomerized stream to a stabilizer column to produce a butane stream containing normal, iso-butanes and C5 hydrocarbons; the butane stream is sent to a column to produce an isomerized upper stream and a bottoms stream comprising a mixture of butanes, C5 hydrocarbons and organic chloride. The bottoms stream is sent to an organic chloride decomposition reactor to produce a mixture of HCl, hydrogen and hydrocarbons. 1. A process for producing i-butane comprising:sending a feed stream comprising butanes, hydrogen and an organic chloride to a butane isomerization reactor containing an isomerization catalyst to convert a portion of normal butanes in said feed stream to iso-butanes in an isomerized stream;sending said isomerized stream to a stabilizer column to produce a butane stream containing normal, iso-butanes and C5 hydrocarbons; andsending said butane stream to a deisobutanizer column to produce an isomerized upper stream, an NC4 rich side draw stream, and a bottoms stream comprising a mixture of butanes, C5 hydrocarbons and said organic chloride; andsending said bottoms stream to an organic chloride decomposition reactor to produce an organic chloride decomposition stream comprising hydrogen and HCl.2. The process of wherein said organic chloride is perchloroethylene.3. The process of further comprising sending said organic chloride decomposition stream through a chloride guard bed to remove HCl.4. The process of further comprising sending said organic chloride decomposition stream through a flash drum to recycle hydrogen and HCl.5. The process of wherein said mixture of butanes claim 1 , C5 hydrocarbons and organic chloride comprises 20-100 wppm perchloroethylene.6. ...

Подробнее

Номер записи: 26

02-01-2020 дата публикации

METHOD FOR PRODUCING UNSATURATED HYDROCARBON

Номер: US20200002249A1

Автор: ICHIJO Tatsuya, KIMURA Nobuhiro, KUROKAWA Hideki

Принадлежит:

A method for producing an unsaturated hydrocarbon, comprising: a step of contacting a raw material gas containing an alkane with a dehydrogenation catalyst to obtain a product gas containing at least one unsaturated hydrocarbon selected from a group consisting of olefins and conjugated dienes, wherein the dehydrogenation catalyst contains at least one additive element selected from the group consisting of Na, K, and Ca, Al, Mg, a group 14 metal element, and Pt, and a content of the additive element is 0.05% by mass or more and 0.70% by mass or less based on a total mass of the dehydrogenation catalyst. 1. A method for producing an unsaturated hydrocarbon , comprising:a step of contacting a raw material gas containing an alkane with a dehydrogenation catalyst to obtain a product gas containing at least one unsaturated hydrocarbon selected from a group consisting of olefins and conjugated dienes, whereinthe dehydrogenation catalyst contains at least one additive element selected from a group consisting of Na, K, and Ca, Al, Mg, a group 14 metal element, and Pt, anda content of the additive element is 0.05% by mass or more and 0.70% by mass or less based on a total mass of the dehydrogenation catalyst.2. The method according to claim 1 , wherein the content of the additive element is 0.08% by mass or more and 0.35% by mass or less claim 1 , based on the total mass of the dehydrogenation catalyst.3. The method according to claim 1 , wherein a molar ratio of the Mg to the Al is 0.30 or more and 0.60 or less.4. The method according to claim 1 , wherein a molar ratio of the group 14 metal element to the Pt is 10 or less.5. The method according to claim 1 , wherein the group 14 metal element includes Sn.6. The method according to claim 1 , wherein the alkane is an alkane having 4 to 10 carbon atoms.7. The method according to claim 1 , wherein the alkane is butane claim 1 , the olefin is butene claim 1 , and the conjugated diene is butadiene. The present invention relates to ...

Подробнее

Номер записи: 27

03-01-2019 дата публикации

Photocatalytic Conversion of Carbon Dioxide and Water Into Substituted or Unsubstituted Hydrocarbon(s)

Номер: US20190002364A1

Автор: ANDERSSON Gunther, GOLOVKO Vladimir, METHA Gregory F, NANN Thomas

Принадлежит:

A method for the production of hydrocarbon(s), such as methane, substituted hydrocarbons, such as methanol, or the production of hydrogen, the method comprising the steps of contacting a first catalyst with water in order to photocatalyse the splitting of at least some of the water into hydrogen and oxygen; and contacting a second catalyst with a gas stream comprising carbon dioxide and at least some of the hydrogen produced from step (a) in order to photocatalyse the reaction between the hydrogen and carbon dioxide to produce hydrocarbon(s), such as methane, and/or substituted hydrocarbons, such as methanol. In an embodiment, the catalyst comprises gold and or ruthenium nanoclusters supported on a substrate. 1. A method for the production of hydrocarbon(s) , such as methane , or substituted hydrocarbons , such as methanol , the method comprising the steps of:contacting a catalyst with water and carbon dioxide in the presence of light in order to photocatalyse:(i) the splitting of at least some of the water into hydrogen and oxygen; and(ii) the reaction between hydrogen and carbon dioxide to produce at least one of a hydrocarbon and/or substituted hydrocarbons;wherein the catalyst comprises at least gold and ruthenium, in the form of at least one nanocluster supported by a substrate.2. The method according to claim 1 , wherein support substrate is selected from the group comprising graphene claim 1 , graphite claim 1 , carbon black claim 1 , nanotubes claim 1 , fullerenes claim 1 , zeolites claim 1 , carbon nitrides claim 1 , metal nitrides and or oxides including zinc oxide or titanium oxide.3. The method according to claim 1 , wherein the gold and ruthenium nanocluster has at least one Au—Ru bond having a distance in the range of from about 2.5 to 3.0 Å.4. The method according to claim 1 , wherein the gold and ruthenium nanocluster comprise an average cluster size less than about 2 nm.5. A method for the production of hydrocarbon(s) claim 1 , such as methane claim ...

Подробнее

Номер записи: 28

03-01-2019 дата публикации

NATURAL GAS LIQUID UPGRADING BY IONIC LIQUID CATALYZED ALKYLATION

Номер: US20190002368A1

Автор: Chang Bong-Kyu, Peinado Kenneth John, Timken Hye-Kyung Cho

Принадлежит:

We provide a process, comprising: 1. A process for making one or more middle distillate alkylate products , comprising:a. dehydrogenating a natural gas feedstock comprising saturated hydrocarbons in a dehydrogenation reactor to produce a mixture comprising one or more olefins and one or more unconverted paraffins;b. without further purification or modification other than mixing with an isoparaffin, sending the mixture to a single alkylation reactor that is not thermally coupled with the dehydrogenation reactor;c. alkylating the one or more olefins with the isoparaffin in the single alkylation reactor, using an ionic liquid catalyst, to produce the one or more alkylate products; andd. distilling the one or more alkylate products and collecting a bottoms distillation fraction that is a middle distillate blending component having a sulfur level of 50 wppm or less and a Bromine number less than 1.2. The process of claim 1 , wherein the natural gas feedstock comprises paraffins in the range of from C2 to C6 paraffins.3. The process of claim 1 , wherein the natural gas feedstock is one of a C2 claim 1 , a C3 claim 1 , a C4 claim 1 , a C5 claim 1 , or a C6 paraffin.4. The process of claim 1 , wherein the mixture comprises from 30 to 80 wt % of the one or more unconverted paraffins.5. The process of claim 1 , wherein the one or more alkylate products are selected from the group consisting of an alkylate gasoline claim 1 , an alkylate jet fuel claim 1 , an alkylate diesel fuel claim 1 , and mixtures thereof.6. The process of claim 1 , wherein the isoparaffin is isobutane claim 1 , isopentane claim 1 , an isohexane claim 1 , or a combination thereof.7. The process of claim 1 , wherein a molar ratio of the isoparaffin to the one or more olefins in the single alkylation reactor is from 4:1 to 12:1.8. The process of claim 1 , wherein a molar ratio of the isoparaffin to the one or more olefins in the single alkylation reactor is adjusted to change a boiling range of the one or ...

Подробнее

Номер записи: 29

03-01-2019 дата публикации

CATALYST AND HYDROCARBON CONVERSION PROCESS UTILIZING THE CATALYST

Номер: US20190002372A1

Автор: JANTHARASUK Amnart, JAREEWATCHARA Wuttithep, SURIYE Kongkiat

Принадлежит: SMH Co., Ltd

The present invention relates to a hydrocarbon conversion catalyst comprising i) a catalyst, in oxidic form, metals M1, M2, M3 and M4, wherein: M1 is selected from Si, Al, Zr, and mixtures thereof; M2 is selected from Pt, Cr, and mixtures thereof; M3 is selected from W, Mo, Re and mixtures thereof; M4 is selected from Sn, K, Y, Yb and mixtures thereof; and ii) a hydrogen scavenger selected from at least one alkali and/or alkaline earth metal derivative, preferably in metallic, hydride, salt, complex or alloy form; as well as a hydrocarbon conversion process utilizing this catalyst. 1. Hydrocarbon conversion catalyst comprising , M1 is selected from Si, Al, Zr, and mixtures thereof;', 'M2 is selected from Pt, Cr, and mixtures thereof;', 'M3 is selected from W, Mo, Re and mixtures thereof;', 'M4 is selected from Sn, K, Y, Yb, and mixtures thereof; wherein', 'the mass fraction of M1 is in the range of 0.1 to 0.8;', 'the mass fraction of M2 is in the range of 0.001 to 0.2;', 'the mass fraction of M3 is in the range of 0.001 to 0.2;', 'the mass fraction of M4 is in the range of 0.0001 to 0.2; and', 'the mass fraction of oxygen is in the range of 0.1 to 0.8;', 'and, 'i) a catalyst in oxidic form, comprising metals M1, M2, M3 and M4, whereinii) a hydrogen scavenger selected from at least one alkali and/or alkaline earth metal derivative.2. Hydrocarbon conversion catalyst according to claim 1 , wherein the at least one alkali and/or alkaline earth metal is selected from Li claim 1 , Na claim 1 , K claim 1 , Mg claim 1 , Ca claim 1 , and mixtures thereof.3. Hydrocarbon conversion catalyst according to claim 1 , wherein weight ratio of catalyst i) and hydrogen scavenger ii) is from 1-99 to 99-1.4. Hydrocarbon conversion catalyst according to claim 1 , wherein M2 is Pt and M3 is W.5. Process for conversion of a hydrocarbon feed comprising saturated hydrocarbon compounds to olefin products comprising contacting a hydrocarbon feed stream with the hydrocarbon conversion catalyst ...

Подробнее

Номер записи: 30

03-01-2019 дата публикации

HYDROGENATION OF OXYGENATED MOLECULES FROM BIOMASS REFINING

Номер: US20190002381A1

Автор: HALLAC Bassem, Jansen Robert, LAPIDOT Noa, LAWSON James Alan, Madsen Lee, MATIS Neta, Travisano Philip, ZVIELY Michael

Принадлежит:

The present disclosure relates to methods, processes, and systems for utilizing the dehydrogenation of 2-butanol for hydrogen consuming reactions of biomass or biomass-derived molecules. 1103-. (canceled)104. A method for producing 2-butanone and a conversion product , the method comprising:dehydrogenating 2-butanol to yield 2-butanone, thereby releasing hydrogen;using hydrogen released from the dehydrogenating in a conversion reaction, wherein the conversion reaction converts a biomass-derived molecule to a conversion product; andrecovering 2-butanone and the conversion product.105. The method of claim 104 , wherein the biomass-derived molecule is derived from lignocellulosic biomass.106. The method of claim 105 , wherein the biomass-derived molecule is selected from a saccharide claim 105 , a dehydrated saccharide claim 105 , a halodehydrated saccharide claim 105 , a dehydrated and partially-hydrogenated saccharide claim 105 , and a hydrogenated saccharide claim 105 , or a combination thereof.107. The method of claim 104 , wherein the biomass-derived molecule is selected from a monosaccharide claim 104 , an oligosaccharide claim 104 , furfural claim 104 , halofurfural claim 104 , methyl furfural claim 104 , furfuryl alcohol claim 104 , methyl furfuryl alcohol claim 104 , (methoxymethyl)-methyl furfural claim 104 , hydroxymethylfurfural claim 104 , 2-methylfuran claim 104 , dimethylfuran claim 104 , 2 claim 104 ,5-bis(hydroxymethyl)furan claim 104 , 5-hydroxymethyl-2-[(1-methylethoxy)methyl] furan claim 104 , 2-methyl-5[(1-methylmethoxy)methyl] furan claim 104 , bis(1-methoxyethoxy)-methyl furan claim 104 , tetrahydrofuran claim 104 , levoglucosenone claim 104 , 1 claim 104 ,2 claim 104 ,6-hexanetriol claim 104 , 1 claim 104 ,2 claim 104 ,5-pentanetriol claim 104 , 1 claim 104 ,2 claim 104 ,4-butanetriol claim 104 , 2 claim 104 ,4-dihydroxy butanoic acid claim 104 , 2 claim 104 ,4-hydroxybutanoic acid claim 104 , succinic acid claim 104 , malic acid claim 104 , ...

Подробнее

Номер записи: 31

01-01-2015 дата публикации

PROCESS FOR THE PRODUCTION OF 1,3-BUTADIENE

Номер: US20150005532A1

Автор: Assandri Fabio, Del Seppia Alessandro, Ghirardo Elena, Vella Carmelo

Принадлежит: Versalis S.p.A.

The present invention relates to a process for the production of 1,3-butadiene which comprises the following phases: a) extracting, by means of extractive distillation, in an extraction section, an end-product containing 1,3-butadiene and a raffinate product, starting from mixtures of saturated and unsaturated compounds having from 2 to 10 carbon atoms in the chain; b) sending the raffinate product to a dehydrogenation section; c) dehydrogenating the raffinate product in the dehydrogenation section in the presence of a dehydrogenation catalyst and an inert product so as to form a reaction effluent containing 1,3-butadiene; d) recirculating the reaction effluent containing 1,3-butadiene directly to the extraction section after separating the incondensable compounds. 1. A process for the production of 1 ,3-butadiene , the process comprising:a) extracting, by a method of extractive distillation, in an extraction section, an end-product comprising 1,3-butadiene and a raffinate product, starting from mixtures of saturated and unsaturated compounds having from 2 to 10 carbon atoms in the chain;b) sending the raffinate product to a dehydrogenation section;c) dehydrogenating the raffinate product in the dehydrogenation section in the presence of a dehydrogenation catalyst and an inert product to form a reaction effluent containing 1,3-butadiene;d) recirculating the reaction effluent comprising 1,3-butadiene directly to the extraction section after separating the incondensable compounds.2. The process of claim 1 , wherein claim 1 , after separating the incondensable compounds claim 1 , the reaction effluent is separated into a stream enriched in 1 claim 1 ,3-butadiene and a stream which comprises the non-reacted saturated and unsaturated compounds having from 2 to 10 carbon atoms in the chain.3. The process of claim 2 , wherein the stream enriched in 1 claim 2 ,3-butadiene is recirculated to the extraction section.4. The process of claim 2 , wherein the stream comprising the ...

Подробнее

Номер записи: 32

14-01-2016 дата публикации

PROCESS FOR MAKING LINEAR LONG-CHAIN ALKANES FROM RENEWABLE FEEDSTOCKS USING CATALYSTS COMPRISING HETEROPOLYACIDS

Номер: US20160009610A1

Автор: Hargis Annalisa, Kelkar Manish S., Manning Kenneth Chad, Ritter Joachim C., Sengupta Sourav Kumar

Принадлежит:

A hydrodeoxygenation process for producing a linear alkane from a feedstock comprising a saturated or unsaturated Coxygenate that comprises an ester group, carboxylic acid group, carbonyl group and/or alcohol group is disclosed. This process comprises contacting the feedstock with (i) a catalyst comprising about 0.1% to about 10% by weight of a metal selected from Group IB, VIB, or VIII of the Periodic Table, and (ii) a heteropolyacid or heteropolyacid salt, at a temperature between about 150° C. to about 250° C. and a hydrogen gas pressure of at least about 300 psig. By contacting the feedstock with the catalyst and heteropolyacid or heteropolyacid salt under these temperature and pressure conditions, the Coxygenate is hydrodeoxygenated to a linear alkane that has the same carbon chain length as the Coxygenate. 1. A hydrodeoxygenation process for producing a linear alkane from a feedstock comprising a saturated or unsaturated Coxygenate comprising a moiety selected from the group consisting of an ester group , carboxylic acid group , carbonyl group , and alcohol group , wherein the process comprises:{'sub': 10-18', '10-18, 'a) contacting said feedstock with (i) a catalyst comprising about 0.1% to about 10% by weight of a metal selected from Group IB, VIB, or VIII of the Periodic Table, and (ii) a heteropolyacid or heteropolyacid salt, at a temperature between about 150° C. to about 250° C. and a hydrogen gas pressure of at least about 300 psig, wherein the Coxygenate is hydrodeoxygenated to a linear alkane, and wherein the linear alkane has the same carbon chain length as the Coxygenate; and'}b) optionally, recovering the linear alkane produced in step (a).2. The hydrodeoxygenation process of claim 1 , wherein said Coxygenate is a fatty acid or a triglyceride.3. The hydrodeoxygenation process of claim 1 , wherein said feedstock comprises a plant oil or a fatty acid distillate thereof.4. The hydrodeoxygenation process of claim 3 , wherein said feedstock comprises(i) ...

Подробнее

Номер записи: 33

08-01-2015 дата публикации

High Density Cyclic Fuels Derived From Linear Sesquiterpenes

Номер: US20150011810A1

Автор: Benjamin G Harvey

Принадлежит: US Department of Navy

A method to generate cyclic hydrocarbons from farnesene to increase both the density and net heat of combustion of the product fuels. The high density hydrocarbons produced by this method have applications for missile, UAV, jet, and diesel propulsion.

Подробнее

Номер записи: 34

03-02-2022 дата публикации

METHODS OF BUTANE HYDROGENOLYSIS UNDER HYDROGEN-LEAN CONDITIONS

Номер: US20220033325A1

Автор: BAEK Byeongjin, BROEKHUIS Robert R., FICKEL Dustin, LENGYEL Istvan, SHOU Heng, VAN KIMMENADE Emiel

Принадлежит:

Processes for the hydrogenolysis of butane are described. A process can include (a) introducing a butane feed and hydrogen to a first hydrogenolysis reactor comprising a hydrogenolysis catalyst, and (b) contacting the butane feed and hydrogen with the hydrogenolysis catalyst at conditions sufficient to produce a first hydrogenolysis product stream. The introduction of the butane feed stream and hydrogen to the first hydrogenolysis reactor can be controlled to maintain a hydrogen to butane molar ratio in the reactor inlet of 0.3:1 to 0.8:1. 1. A process for the hydrogenolysis of butane , the process comprising:(a) introducing a butane feed and hydrogen to a first hydrogenolysis reactor comprising a hydrogenolysis catalyst; and(b) contacting the butane feed and hydrogen with the hydrogenolysis catalyst at conditions sufficient to produce a first hydrogenolysis product stream,wherein the introduction of the butane feed stream and hydrogen to the first hydrogenolysis reactor is controlled to effect a hydrogen to butane molar ratio in the reactor inlet of 0.3:1 to 0.8:1.2. The process of claim 1 , wherein the hydrogen to butane molar ratio in the reactor inlet is 0.5:1 to 0.8:1.3. The process of claim 1 , wherein the butane feed stream comprises n-butane and iso-butane and n-butane is present in the butane feed stream in an amount of equal to or greater than about 50 mol.4. The process of claim 1 , wherein the conditions comprise a temperature of 245° C. to about 330° C. claim 1 , a pressure of from about 101 kPa (0 psig) to about 2100 kPa (300 psig) claim 1 , and a butane-based weight hourly space velocity (WHSV) of 1 hto about 100 h claim 1 , or combinations thereof.5. The process of claim 1 , wherein the hydrogenolysis catalyst comprises:(a) a bimetallic supported catalyst comprising a support, a first catalytic metal, a second catalytic metal, and optionally binder, wherein the first and second catalytic metals are different,(b) a monometallic supported catalyst, the ...

Подробнее

Номер записи: 35

15-01-2015 дата публикации

Method for Production of Hydrocarbons by Increasing Hydrocarbon Chain Length

Номер: US20150018588A1

Автор: Aalto Pekka, MYLLYOJA Jukka, Piilola Rami

Принадлежит: NESTE OIL OYJ

The present invention provides a method for increasing hydrocarbon chain length. The method comprises providing a feedstock comprising fatty acids and/or fatty acid esters with hydrocarbon chain length below C into a reaction zone in which ketonisation is conducted in the presence of a hydrotreatment catalyst under hydrogen pressure. The obtained ketones have a hydrocarbon chain length of from C to C The present invention further provides a method for simultaneous production of base oil components and fuel components. 1. A method for increasing hydrocarbon chain length , comprising the steps of:(i) providing a feedstock comprising fatty acids and/or fatty acid esters with hydrocarbon chain length below C23, and(ii) introducing said feedstock into a reaction zone in which ketonisation of said fatty acids and/or fatty acid esters is conducted in the presence of a hydrotreatment catalyst under hydrogen pressure, and(iii) obtaining from said reaction zone ketones with hydrocarbon chain length of from C24 to C43.2. The method according to wherein the obtained ketones are further hydrodeoxygenated in a final hydrodeoxygenation step to form linear hydrocarbons.3. The method according to claim 1 , wherein the ketonization and final hydrodeoxygenation step are performed in the same reaction zone.4. The method according to claim 2 , wherein the final hydrodeoxygenation step is performed in a separate reaction zone subsequent to the ketonization reaction.5. The method according to claim 1 , wherein the pressure in the ketonisation reaction zone is less than 2 MPa.6. The method according to claim 1 , wherein the temperature in the ketonisation reaction zone is from 350 to 450° C.7. The method according to claim 1 , wherein the ratio of hydrogen to feedstock is from 100 to 600 Nl/l in the ketonisation reaction zone.8. The method according to claim 1 , wherein said hydrotreatment catalyst is a metal catalyst wherein the metal is selected from the group consisting of Fe claim 1 , ...

Подробнее

Номер записи: 36

21-01-2016 дата публикации

METHODS AND SYSTEMS FOR ENERGY CONVERSION AND GENERATION

Номер: US20160017800A1

Автор: Simpson Robert

Принадлежит:

The invention relates to methods and systems of converting electrical energy to chemical energy and optionally reconverting it to produce electricity as required. In preferred embodiments the source of electrical energy is at least partially from renewable source. The present invention allows for convenient energy conversion and generation without the atmospheric release of CO2. One method for producing methane comprises electrolysis of water to form hydrogen and oxygen, and using the hydrogen to hydrogenate carbon dioxide to form methane. It preferred to use the heat produced in the hydrogenation reaction to heat the water prior to electrolysis. The preferred electrical energy source for the electrolysis is a renewable energy source such as solar, wind, tidal, wave, hydro or geothermal energy. The method allows to store the energy gained at times of low demand in the form of methane which can be stored and used to generate more energy during times of high energy demand. A system comprising an electrolysis apparatus and a hydrogenation apparatus, and a pipeline for the transportation of two fluids, is also described.

Подробнее

Номер записи: 37

16-01-2020 дата публикации

METHODS FOR FORMING LIGHT OLEFINS BY CRACKING

Номер: US20200017426A1

Автор: Liu Yu, Pretz Matthew T.

Принадлежит: Dow Global Technologies LLC

According to one or more embodiments presently disclosed, light olefins may be formed by a method that may comprise introducing a feed stream into a reactor, reacting the feed stream with a cracking catalyst in the reactor to form a product stream, and processing the cracking catalyst. The reactor may comprise an upstream reactor section and a downstream reactor section. The upstream reactor section may be positioned below the downstream reactor section. The upstream reactor section may have an average cross-sectional area that is at least 150% of the average cross-sectional area of the downstream reactor section. 1. A method for forming light olefins , the method comprising:introducing a feed stream into a reactor, the reactor comprising an upstream reactor section and a downstream reactor section, the upstream reactor section positioned below the downstream reactor section, and the upstream reactor section having an average cross-sectional area that is at least 150% of the average cross-sectional area of the downstream reactor section;reacting the feed stream with a cracking catalyst in the reactor to from a product stream; and passing the catalyst from the reactor to a combustor;', 'burning a supplemental fuel source in the combustor to heat the catalyst; and', 'passing the heated catalyst from the combustor to the reactor., 'processing the cracking catalyst, the processing of the cracking catalyst comprising2. The method of claim 1 , wherein the feed stream comprises one or more of naphtha or butane.3. The method of claim 1 , wherein the product stream comprises one or more of ethylene claim 1 , propylene claim 1 , or butene.4. The method of claim 1 , wherein the upstream reactor section operates as a fast fluidized claim 1 , turbulent claim 1 , or bubbling bed upflow reactor.5. The method of claim 1 , wherein the downstream reactor section operates as a dilute phase riser reactor.6. The method of claim 1 , wherein weight hour space velocity in the reactor is ...

Подробнее

Номер записи: 38

16-01-2020 дата публикации

METHODS FOR MAKING LIGHT OLEFINS FROM DIFFERENT FEED STREAMS

Номер: US20200017427A1

Автор: Pretz Matthew T.

Принадлежит: Dow Global Technologies LLC

According to one or more embodiments of the present disclosure, chemical streams may be processed by a method which may comprise operating a first chemical process, stopping the first chemical process and removing the first catalyst from the reactor, and operating a second chemical process. The reaction of the first chemical process may be a dehydrogenation reaction, a cracking reaction, a dehydration reaction, or a methanol-to-olefin reaction. The reaction of the second chemical process may be a dehydrogenation reaction, a cracking reaction, a dehydration reaction, or a methanol-to-olefin reaction. The first reaction and the second reaction may be different types of reactions. 2. The method of claim 1 , wherein the first product stream and the second product stream comprise one or more of ethylene claim 1 , propylene claim 1 , or butene.3. The method of claim 1 , wherein the first reaction or the second reaction is a dehydrogenation reaction claim 1 , and the first catalyst or the second catalyst comprises gallium claim 1 , platinum claim 1 , or both.4. The method of claim 1 , wherein:the first reaction or the second reaction is a dehydrogenation reaction; andthe first feed stream or the second feed stream comprises one or more of ethane, propane, n-butane, and i-butane.5. The method of claim 1 , wherein the first reaction or the second reaction is a cracking reaction claim 1 , and the first catalyst or the second catalyst comprises one or more zeolites.6. The method of claim 1 , wherein:the first reaction or the second reaction is a cracking reaction; andthe first feed stream or the second feed stream comprises one or more of naphtha, n-butane, or i-butane.7. The method of claim 1 , wherein the first reaction or the second reaction is a dehydration reaction claim 1 , and the first catalyst or second catalyst comprises one or more acid catalysts.8. The method of claim 1 , wherein:the first reaction or the second reaction is a dehydration reaction;the first feed ...

Подробнее

Номер записи: 39

21-01-2021 дата публикации

Transalkylation Processes for Converting Aromatic Hydrocarbons Comprising Alkyl-Demethylation

Номер: US20210017103A1

Автор: Doron Levin, Hari Nair, Meha Rungta, Michael Salciccioli, Michel Molinier, Scott J. WEIGEL

Принадлежит: ExxonMobil Chemical Patents Inc

Alkyl-demethylation of C2+-hydrocarbyl substituted aromatic hydrocarbons can be utilized to treat one or more of a heavy naphtha reformate stream, a hydrotreated SCN stream, a C8 aromatic hydrocarbon isomerization feed stream, a C9+ aromatic hydrocarbon transalkylation feed stream, and similar hydrocarbon streams to produce additional quantity of xylene products.

Подробнее

Номер записи: 40

26-01-2017 дата публикации

PROCESS

Номер: US20170022121A1

Автор: Abbott Peter Edward James

Принадлежит:

A process for producing a methane-containing gas mixture includes the steps of: 112-. (canceled)13. A process for producing a methane-containing gas mixture comprising the steps of:(i) passing a first feed gas mixture comprising hydrogen and carbon dioxide through a bed of methanation catalyst to react a portion of the hydrogen with at least a portion of the carbon dioxide and form a methane-containing gas mixture containing residual hydrogen,(ii) adding an oxygen-containing gas to the methane-containing gas mixture containing residual hydrogen to form a second feed gas mixture, and(iii) passing the second feed gas mixture through a bed of a selective oxidation catalyst at an inlet temperature in the range 150 to 350° C. to selectively react the residual hydrogen and oxygen to form a hydrogen depleted methane-containing gas mixture.14. The process according to claim 13 , wherein the hydrogen concentration in the first feed gas mixture is ≦20% by volume.15. The process according to claim 13 , wherein the first feed gas mixture is a synthesis gas comprising hydrogen claim 13 , carbon dioxide and carbon monoxide.16. The process according to claim 13 , wherein the first feed gas mixture is a prepared by mixing a hydrogen-containing gas mixture with a carbon dioxide-containing gas mixture.17. The process according to claim 16 , wherein the hydrogen-containing gas mixture is a methane-containing gas mixture.18. The process according to claim 16 , wherein the first feed gas mixture or hydrogen-containing gas mixture and/or the carbon dioxide-containing gas mixture are subjected to a desulphurisation step prior to the methanation step.19. The process according to claim 13 , wherein the methanation catalyst is a ruthenium- or nickel-containing methanation catalyst.20. The process according to claim 13 , wherein the methanation catalyst is operated at an inlet temperature in the range 200 to 350° C.21. The process according to claim 13 , wherein the temperature of the methane ...

Подробнее

Номер записи: 41

26-01-2017 дата публикации

CONVERSION OF OLIGOMERIC STARCH, CELLULOSE, HYDROLYSATES OR SUGARS TO HYDROCARBONS

Номер: US20170022122A1

Автор: Gordon John Cameron, Kim Jin Kyung, Kimball David B., Silks Louis A., Sutton Andrew, Wu Ruilian

Принадлежит:

Embodiments of the present invention are directed to the conversion of a source material (e.g., a depolymerized oligosaccharide mixture, a monomeric sugar, a hydrolysate, or a mixture of monomeric sugars) to intermediate molecules containing 7 to 26 contiguous carbon atoms. These intermediates may also be converted to saturated hydrocarbons. Such saturated hydrocarbons are useful as, for example, fuels. 1. A process of preparing a saturated hydrocarbon comprising:combining a source material with a dicarbonyl under conditions suitable to form an intermediate mixture, the source material comprising a depolymerized oligosaccharide mixture, a monomeric sugar, a hydrolysate, or a mixture of monomeric sugars; andadding hydrogen and a hydrogenation catalyst to the intermediate mixture under conditions suitable to form the saturated hydrocarbon.2. The process of claim 1 , wherein the dicarbonyl is methyl acetoacetate claim 1 , ethyl acetoacetate claim 1 , i-propyl acetoacetate claim 1 , 2 claim 1 ,4-pentanedione claim 1 , n-propyl acetoacetate claim 1 , malonate esters claim 1 , cyanoacetates claim 1 , or a mixture thereof.3. The process of claim 2 , wherein the dicarbonyl is 2 claim 2 ,4-pentanedione.4. The process of claim 1 , wherein the saturated hydrocarbon is 3-ethylnonane.5. The process of claim 1 , wherein the hydrogenation catalyst is palladium/carbon or nickel.6. The process of claim 1 , wherein the source material comprises a depolymerized oligosaccharide mixture claim 1 , and the depolymerized oligosaccharide mixture is prepared by heating an oligosaccharide for a time sufficient to form the depolymerized oligosaccharide mixture.7. The process of claim 6 , wherein the heating is achieved using microwave radiation.8. The process of claim 6 , wherein the heating of the oligosaccharide to form the depolymerized oligosaccharide mixture is under acidic conditions.9. The process of claim 8 , wherein the acidic conditions are achieved using hydrochloric acid claim 8 , ...

Подробнее

Номер записи: 42

22-01-2015 дата публикации

METHOD FOR MANUFACTURING HYDROCARBON

Номер: US20150025159A1

Автор: Mizuno Hisashi, Nakagawa Hiroyuki, TAKI Seitaro

Принадлежит:

The present invention provides a method for manufacturing a hydrocarbon, the method including bringing metal Mg into contact with water and carbon dioxide and reducing the carbon dioxide. In the method, one or more elements selected from the group consisting of Group 8 elements, Group 9 elements, B, C, S, Ca, V, Mn, Ni, Ge, Zr, Nb, Pd, Ag, Sn, Pt, Au, and Ce are used as combination element(s), and the contact is effected under presence of one or more of simple substance(s) of the combination element(s), water-soluble compound(s) of the combination element(s), and ion(s) of the combination element(s). 1. A method for manufacturing a hydrocarbon , the method comprising:bringing metal Mg into contact with water and carbon dioxide; andreducing the carbon dioxide, whereinone or more elements selected from the group consisting of Group 8 elements, Group 9 elements, B, C, S, Ca, V, Mn, Ni, Ge, Zr, Nb, Pd, Ag, Sn, Pt, Au, and Ce are used as combination element(s), andthe contact is effected under presence of one or more of simple substance(s) of the combination element(s), water-soluble compound(s) of the combination element(s), and ion(s) of the combination element(s).2. The method for manufacturing a hydrocarbon according to claim 1 , whereinthe combination element(s) are one or more elements selected from Fe, Co, and Ru.3. The method for manufacturing a hydrocarbon according to claim 2 , whereinthe combination element is Fe.4. The method for manufacturing a hydrocarbon according to claim 1 , wherein{'sup': 2', '2, 'a specific surface area of the metal Mg is 55 cm/g to 70 cm/g.'}5. The method for manufacturing a hydrocarbon according to claim 1 , whereinthe metal Mg, the water, the carbon dioxide, and the combination element(s) that are thus brought into contact are stirred with a hard bead. The present invention relates to a method for manufacturing a hydrocarbon by reducing carbon dioxide.Conventional methods for obtaining a hydrocarbon such as methane by reducing ...

Подробнее

Номер записи: 43

22-01-2015 дата публикации

METHOD FOR PRODUCING HYDROGEN OR HEAVY HYDROGENS, METHOD FOR PRODUCING HYDROGENATED (PROTIATED, DEUTERATED OR TRITIATED) ORGANIC COMPOUND, METHOD FOR HYDROGENATING (PROTIATING, DEUTERATING OR TRITIATING) ORGANIC COMPOUND, METHOD FOR DEHALOGENATING ORGANIC COMPOUND HAVING HALOGEN, AND BALL FOR USE IN MECHANOCHEMICAL REACTION

Номер: US20150025264A1

Автор: KONDO Shinichi, Monguchi Yasunari, Sajiki Hironao, Sasai Yasushi, SAWAMA Yoshinari

Принадлежит: Shiono Chemical Co., Ltd.

Objects are to provide efficient methods for producing hydrogen or heavy hydrogens and for hydrogenating (protiating, deuterating or tritiating) an organic compound, and to provide an equipment and the like used therefor. A method for producing hydrogen or heavy hydrogens, containing subjecting water or heavy water to mechanochemical reaction in the presence of a catalyst metal, in which an energy density of a rotational acceleration of 75 G or more is applied to water or heavy water for 25 minutes or more, a method for producing a hydrogenated (protiated, deuterated or tritiated) organic compound, a method for hydrogenating (protiating, deuterating or tritiating) an organic compound, a method for dehalogenating an organic compound having halogen, and a ball for mechanochemical reaction are provided. 1. A method for producing hydrogen or heavy hydrogens , comprising subjecting water or heavy water to mechanochemical reaction in the presence of a catalyst metal , wherein an energy density of a rotational acceleration of 75 G or more is applied to the water or heavy water for 25 minutes or more.2. The method according to claim 1 , wherein the mechanochemical reaction is performed with a planetary ball mill.3. The method according to claim 1 , wherein the catalyst metal comprises a transition metal.4. The method according to claim 1 , wherein a conversion rate of water or heavy water to hydrogen or heavy hydrogens is 60% or more.5. A ball claim 1 , comprising a catalyst metal on at least a part of a surface of the ball claim 1 ,wherein the ball is suitable for use in a mechanochemical reaction.6. The ball according to claim 5 , wherein the ball comprises a material selected from the group consisting of stainless steel claim 5 , agate claim 5 , alumina claim 5 , tungsten carbide claim 5 , chrome steel claim 5 , zirconia and silicon nitride.7. The ball according to claim 5 , wherein the catalyst metal comprises at least one transition metal selected from the group ...

Подробнее

Номер записи: 44

02-02-2017 дата публикации

Synthesis of fuels and feedstocks

Номер: US20170029351A1

Автор: Andrew D. Sutton, Cameron Moore, Orion Staples, Rhodri Jenkins, Ty Brooks

Принадлежит: Los Alamos National Security LLC

Disclosed herein are embodiments of a method for making fuels and feedstocks from readily available alcohol starting materials. In some embodiments, the method concerns converting alcohols to carbonyl-containing compounds and then condensing such carbonyl-containing compounds together to form oligomerized species. These oligomerized species can then be reduced using by-products from the conversion of the alcohol. In some embodiments, the method further comprises converting saturated, oligomerized, carbonyl-containing compounds to aliphatic fuels.

Подробнее

Номер записи: 45

31-01-2019 дата публикации

A Process for Preparing Perhydrofluorene or Alkyl-Substituted Perhydrofluorene

Номер: US20190031576A1

Автор: Jijun Zou, LI Wang, Lun PAN, Qingfa WANG, Xiangwen ZHANG

Принадлежит: TIANJIN UNIVERSITY

The present invention discloses a process for preparing perhydrofluorene or alkyl-substituted perhydrofluorene, comprising the steps of: (1) reacting a phenolic compound or an aromatic hydrocarbon compound or an aromatic ketone compound or an aromatic ether compound with a benzyl compound to carry out an alkylation reaction in the presence of a first catalyst, thereby to produce substituted or unsubstituted diphenyl methane, wherein the first catalyst is an acidic catalyst; and (2) reacting the substituted or unsubstituted diphenyl methane with hydrogen gas to carry out an hydrogenation reaction or a hydrodeoxygenation reaction, thereby to produce perhydrofluorene or alkyl-substituted perhydrofluorene, wherein the second catalyst is a physical mixture of a metal catalyst and an acidic catalyst or a metal catalyst loaded on an acidic catalyst.

Подробнее

Номер записи: 46

05-02-2015 дата публикации

Efficient Continuous Process for Manufacturing of 4-Aminodiphenylamine From Aniline and Nitrobenzene

Номер: US20150038743A1

Автор: Gangal Narendra, Ketkar Vinay, Nandi Chinmoy, Purohit Pramod, Rao Prahlad

Принадлежит: NOCIL LIMITED

An efficient continuous manufacturing process for 4-aminodiphenylamine by coupling aniline with nitrobenzene in the presence of tetramethylammonium hydroxide (TMAH) as a base, using flow reactors wherein base decomposition is considerably reduced by optimizing base quantity, process conditions and process equipment. 1. A process comprising the step of:reacting aniline and nitrobenzene in the presence of TMAH as base and water in a continuous manner employing a series of continuous flow reactors under conditions suitable to produce at the flow reactors outlet a coupling reaction product including one or more TMA-salts of 4-NODPA and 4-NDPA along with one or more by-products including at least azobenzene, wherein a water to free TMAH molar ratio in the reaction product is at least about 3:1 and a water to total base ratio in the reaction product is less than 0.6:1.2. The process according to further comprising the step of adding water to the reaction product and then hydrogenating the reaction product with the added water in the presence of suitable hydrogenation catalyst to produce a 4-ADPA-containing reaction product;3. The process according to claim 2 , further comprising the steps of:separating the hydrogenation catalyst from the reaction mixture to obtain an aqueous phase containing base catalyst and an organic phase containing at least 4-ADPA, azobenzene and phenazine;purifying the organic phase under suitable conditions to obtain 4ADPA and recover excess aniline which is recycled as a reactant to the coupling step of the process; andpurifying the aqueous phase to regenerate TMAH base for recycle to the coupling step of the process.4. The process according to claim 1 , wherein a molar ratio of water to total TMAH is up to 10:1 at the start of the coupling reaction of aniline with nitrobenzene.5. The process according to claim 1 , wherein in the coupling step claim 1 , an initial molar ratio of aniline to nitrobenzene is from 6:1 to 15:1.6. The process according ...

Подробнее

Номер записи: 47

08-02-2018 дата публикации

CATALYST COMPRISING DISPERSED GOLD AND PALLADIUM, AND ITS USE IN SELECTIVE HYDROGENATION

Номер: US20180036717A1

Автор: Cabiac Amandine, Hugon Antoine

Принадлежит: IFP ENERGIES NOUVELLES

A catalyst comprising gold, palladium, and a porous support, in the form of at least one grain, in which: 1. A catalyst comprising gold , palladium , and a porous support , in the form of at least one grain , in which:the gold content in the catalyst is in the range 0.5% to 3% by weight with respect to the total weight of catalyst;the mean particle size of the gold, estimated by transmission electron microscopy (TEM), is in the range 0.5 nm to 5 nm;the gold is distributed homogeneously in said porous support;at least 80% by weight of the palladium is distributed in an eggshell at the periphery of said porous support;the gold/palladium molar ratio is more than 2.2. The catalyst as claimed in claim 1 , characterized in that the mean particle size of the gold claim 1 , estimated by transmission electron microscopy claim 1 , is in the range 0.5 nm to 3 nm.3. The catalyst as claimed in claim 1 , characterized in that the metallic dispersion D of the gold is in the range 30% to 100%.4. The catalyst as claimed in claim 1 , characterized in that the palladium content is in the range 0.01% to 0.6% by weight with respect to the total weight of catalyst.5. The catalyst as claimed in claim 1 , characterized in that the thickness of said eggshell at the periphery of the porous support is less than 300 μm.6. A process for the preparation of a catalyst as claimed in claim 1 , comprising gold claim 1 , palladium claim 1 , and a porous support claim 1 , in the form of at least one grain claim 1 , said process comprising the following steps:a step termed step 1, in which the palladium is introduced onto the support, comprising the following steps:1a) preparing an aqueous solution of palladium oxide or palladium hydroxide;1b) impregnating said solution onto at least one grain of porous support;1c) maturing the impregnated porous support obtained in step 1b) in order to obtain a catalyst precursor;1d) drying the catalyst precursor obtained in step 1c) at a temperature in the range 50° ...

Подробнее

Номер записи: 48

24-02-2022 дата публикации

BIOFUEL AND METHOD FOR PREPARATION BY ISOMERIZING METATHESIS

Номер: US20220056358A1

Автор: BAADER Sabrina, Goossen Lukas, PFISTER Kai F.

Принадлежит:

Subject of the invention is a process for producing a biofuel from fatty acid methyl esters (FAMEs) obtained by transesterification of vegetable oils, comprising the steps of 124.-. (canceled)25. A process for producing a biofuel from fatty acid methyl esters (FAMEs) obtained by transesterification of vegetable oils , comprising the steps of(a) ethenolysis of the fatty acid methyl esters in the presence of ethylene and an ethenolysis catalyst, and(b) isomerizing metathesis in the presence of an isomerization catalyst and a metathesis catalyst, wherein ethenolysis (a) and isomerizing metathesis (b) are carried out simultaneously and wherein the process is carried out without an additional solvent.26. The process according to claim 25 , wherein the vegetable oil and/or fatty acid methyl esters comprise more than 80 mol-% unsaturated fatty acids claim 25 , based on the total amount of fatty acids in esterified and free form claim 25 , wherein the vegetable oil is preferably rapeseed oil claim 25 , soy bean oil claim 25 , jatropha oil or tall oil.27. The process according to at least claim 25 , wherein the isomerization catalyst is an organometallic palladium catalyst.28. The process according to at least claim 25 , wherein the isomerization catalyst is an organometallic palladium containing palladium in oxidation states selected from the group consisting of Pd(0) claim 25 , Pd(I) claim 25 , Pd(II) and combinations thereof.29. The process according to at least claim 25 , wherein the isomerization catalyst is an organometallic palladium catalyst containing at least one structural element Pd—P(RRR) claim 25 , wherein the Rto Rradicals each independently have 2 to 10 carbon atoms claim 25 , each of which may be aliphatic claim 25 , alicyclic claim 25 , aromatic or heterocyclic claim 25 , with the proviso that at least one of the Rto Rradicals contains a beta-hydrogen.31. The process according to claim 30 , wherein groups Yand Yare the same.32. The process according to ...

Подробнее

Номер записи: 49

06-02-2020 дата публикации

UNSATURATED HYDROCARBON PRODUCTION METHOD AND DEHYDROGENATION CATALYST REGENERATION METHOD

Номер: US20200038852A1

Автор: ICHIJO Tatsuya, KIMURA Nobuhiro, SEGAWA Atsushi

Принадлежит: JXTG NIPPON OIL & ENERGY CORPORATION

A method for producing an unsaturated hydrocarbon comprising: a dehydrogenation step of contacting a raw material gas containing at least one hydrocarbon selected from a group consisting of alkanes and olefins with a dehydrogenation catalyst containing a group 14 metal element and Pt to obtain a product gas containing at least one unsaturated hydrocarbon selected from the group consisting of olefins and conjugated dienes, and a regeneration step of contacting the dehydrogenation catalyst subjected to the dehydrogenation step with a regenerating gas containing molecular oxygen under a temperature condition of 310 to 450° C. 1. A method for producing an unsaturated hydrocarbon comprising:a dehydrogenation step of contacting a raw material gas containing at least one hydrocarbon selected from a group consisting of alkanes and olefins with a dehydrogenation catalyst containing a group 14 metal element and Pt to obtain a product gas containing at least one unsaturated hydrocarbon selected from a group consisting of olefins and conjugated dienes, anda regeneration step of contacting the dehydrogenation catalyst subjected to the dehydrogenation step with a regenerating gas containing molecular oxygen under a temperature condition of 310 to 450° C.2. The method according to claim 1 , wherein the group 14 metal element includes Sn.3. The method according to claim 1 , wherein the dehydrogenation catalyst is a catalyst in which a group 14 metal element and Pt are supported on a carrier using a metal source containing no chlorine atom.4. The method according to claim 1 , wherein the raw material gas contains an alkane having 2 to 10 carbon atoms.5. The method according to claim 1 , wherein the raw material gas contains an olefin having 4 to 10 carbon atoms.6. A method of regenerating a dehydrogenation catalyst containing a group 14 metal element and Pt that has been used for a dehydrogenation reaction of a hydrocarbon claim 1 , the method comprising:a regeneration step of ...

Подробнее

Номер записи: 50

15-02-2018 дата публикации

Catalytic composition and process for the dehydrogenation of butenes or mixtures of butanes and butenes to give 1,3-butadiene

Номер: US20180043338A1

Автор: Alessandro Del Seppia, Giulio Manzini, Paolo Pollesel, Rodolfo Iezzi

Принадлежит: Versalis Spa

The present invention relates to a dehydrogenation process starting from reagents selected from single butenes, or mixtures thereof, or mixtures of butenes with butanes, to give 1-3 butadiene using catalytic composition of microspheroidal alumina and an active component containing a mixture comprising Gallium and/or Gallium oxides, Tin and/or Tin oxides, a quantity ranging from 1 ppm to 500 ppm with respect to the total weight of the catalytic composition of platinum and/or platinum oxides, and oxides of alkaline and/or alkaline earth metals.

Подробнее

Номер записи: 51

22-02-2018 дата публикации

Diene production method

Номер: US20180050970A1

Автор: Junji Wakabayashi, Nobuhiro Kimura, Sosuke HIGUCHI

Принадлежит: JXTG Nippon Oil and Energy Corp

A method for producing diene comprises a step 1 of obtaining a straight chain internal olefin by removing a branched olefin from a raw material including at least the branched olefin and a straight chain olefin; and a step 2 of producing diene from the internal olefin by oxidative dehydrogenation using a first catalyst and a second catalyst, and the first catalyst has a complex oxide including bismuth, molybdenum and oxygen, and the second catalyst includes at least one selected from the group consisting of silica and alumina.

Подробнее

Номер записи: 52

01-03-2018 дата публикации

ALKYLATE BASE OIL OF BIOLOGICAL ORIGIN

Номер: US20180057421A1

Автор: Hommeltoft Sven Ivar

Принадлежит:

An alkylate base oil of a biological origin having a kinematic viscosity at 100° C. from 3 mm/s to 20 mm/s, and characterized by having a total integral of a C NMR spectrum wherein 25-60% of the total integral of the C NMR spectrum falls within C NMR resonances in ranges for linear long chain alkyl groups given by: C1(13.9-14.2 ppm), C2(22.6-22.8 ppm), C3(31.9-32.05 ppm), C4(29.35-29.45 ppm), and C5+(29.6-29.8 ppm). 1. An alkylate base oil of a biological origin having a kinematic viscosity at 100° C. from 3 mm/s to 20 mm/s , and characterized by having a total integral of a C NMR spectrum wherein 25-60% of the total integral of the C NMR spectrum falls within C NMR resonances in ranges for linear long chain alkyl groups given by: C1(13.9-14.2 ppm) , C2(22.6-22.8 ppm) , C3(31.9-32.05 ppm) , C4(29.35-29.45 ppm) , and C5+(29.6-29.8 ppm).2. The alkylate base oil of claim 1 , additionally having a viscosity index of 50 to 140.3. The alkylate base oil of claim 1 , additionally having a viscosity index of 80 or greater.4. The alkylate base oil of claim 1 , wherein the alkylate base oil is saturated.5. The alkylate base oil of claim 1 , additionally having a bromine index less than 500 mg Br/100 g.6. The alkylate base oil of claim 5 , wherein the bromine index is less than 100 mg Br/100 g.7. The alkylate base oil of claim 1 , additionally having a long straight backbone with two long chain alkyl ends.8. The alkylate base oil of claim 1 , additionally having a pour point less than −15° C.9. The alkylate base oil of claim 1 , additionally having a cloud point less than −20° C.10. The alkylate base oil of claim 1 , wherein the biological origin is at least 95%.11. The alkylate base oil of claim 1 , wherein the alkylate base oil of the biological origin is an alkylation product of a farnesane that was made from a biologically derived feedstock.12. A finished lubricant claim 1 , comprising: the alkylate base oil of and at least one additive selected from the group consisting of ...

Подробнее

Номер записи: 53

01-03-2018 дата публикации

REACTIVATING PROPANE DEHYDROGENATION CATALYST

Номер: US20180057422A1

Автор: Capone Guido, Clark Howard W., Coffey Duncan P., Domke Susan, JR. Albert E., Luo Lin, Malek Andrzej M., Mbaraka Isa K., Pierce Richard A., Pretz Matthew, Schweizer, Stears Brien A., Stewart Mark W.

Принадлежит:

Increase propane dehydrogenation activity of a partially deactivated dehydrogenation catalyst by heating the partially deactivated catalyst to a temperature of at least 660° C., conditioning the heated catalyst in an oxygen-containing atmosphere and, optionally, stripping molecular oxygen from the conditioned catalyst. 1. A process for dehydrogenating an alkane , the process comprising:a. placing an alkane in operative contact with a heated alkane dehydrogenation catalyst in a reactor, the alkane dehydrogenation catalyst comprising a Group VIII noble metal and a Group IIIA metal;b. removing from the reactor a partially deactivated catalyst, wherein at least a portion of the partially deactivated catalyst has coke deposited thereon; (1) heating at least a portion of the partially deactivated catalyst in a regenerator to a temperature of at least 660 degrees Celsius using heat at least partially generated by combusting a fuel source, wherein the fuel source is not the coke, said heating yielding a heated, further deactivated dehydrogenation catalyst which has an alkane dehydrogenation activity that is less than that of the partially deactivated catalyst; and', '(2) subjecting at least a portion of the heated, further deactivated catalyst to a conditioning step which comprises maintaining at least a portion of the heated, further deactivated dehydrogenation catalyst at a temperature of at least 660 degrees Celsius while exposing at least a portion of the heated, further deactivated dehydrogenation catalyst to a flow of an oxygen-containing gas for a period of time greater than two minutes to yield an oxygen-containing reactivated dehydrogenation catalyst that has an activity for dehydrogenating alkane that is greater than that of either the partially deactivated catalyst or the heated, further deactivated catalyst., 'c. rejuvenating at least a portion of the partially deactivated catalyst, yielding a rejuvenated dehydrogenation catalyst, by2. The process of claim 1 , ...

Подробнее

Номер записи: 54

01-03-2018 дата публикации

DIENE PRODUCTION METHOD

Номер: US20180057423A1

Автор: HIGUCHI Sosuke, KIMURA Nobuhiro, WAKABAYASHI Junji

Принадлежит: JXTG NIPPON OIL & ENERGY CORPORATION

A method for producing diene in which diene can be produced in a high yield by using a raw material including a branched olefin and a straight chain olefin is provided. The method for producing diene comprises: a step 1 of obtaining an internal olefin by removing a branched olefin from a raw material including at least the branched olefin and a straight chain olefin; a step 2 of isomerizing the internal olefin to a terminal olefin by using an isomerization catalyst; and a step 3 of producing diene from the terminal olefin obtained in the step 2 by oxidative dehydrogenation using a dehydrogenation catalyst. 1. A method for producing diene , comprising:a step 1 of obtaining an internal olefin by removing a branched olefin from a raw material including at least the branched olefin and a straight chain olefin;a step 2 of isomerizing the internal olefin to a terminal olefin by using an isomerization catalyst; anda step 3 of producing diene from the terminal olefin obtained in the step 2 by oxidative dehydrogenation using a dehydrogenation catalyst.2. The method for producing diene according to claim 1 ,wherein at least a part of the straight chain olefin is a terminal olefin, andwherein in the step 1, the branched olefin is removed from the raw material and the terminal olefin is isomerized to the internal olefin by reactive distillation.3. The method for producing diene according to claim 1 ,wherein the isomerization catalyst includes at least one selected from the group consisting of silica and alumina.4. The method for producing diene according to claim 1 ,wherein the dehydrogenation catalyst has a complex oxide including bismuth, molybdenum and oxygen.5. The method for producing diene according to claim 1 ,wherein in the step 2, the internal olefin is isomerized to the terminal olefin to obtain a first fraction including the terminal olefin and a second fraction including an unreacted portion of the internal olefin by reactive distillation.6. The method for producing ...

Подробнее

Номер записи: 55

02-03-2017 дата публикации

SYSTEM AND METHOD FOR HYDROGENATING AROMATIC COMPOUND

Номер: US20170057890A1

Автор: IMAGAWA Kenichi, Ishiyama Tatsuo, KAWAI Hironori, Shiraga Masato

Принадлежит:

In a system for hydrogenation of an aromatic compound, an excessive temperature rise in the hydrogenation reaction unit is prevented, and the amount of the dilution gas to be circulated is minimized. The hydrogenation system () comprises a hydrogenation reaction unit () for producing a hydrogenated aromatic compound by adding hydrogen to an aromatic compound via a hydrogenation reaction, a separation unit () for separating the hydrogenated aromatic compound from a product of the hydrogenation reaction unit, and a transportation unit () for circulating at least a part of a residual component remaining in the separation unit after separating the hydrogenated aromatic compound therefrom to the hydrogenation reaction unit. The hydrogen supplied to the hydrogenation reaction unit consists of diluted hydrogen (L) diluted by a dilution compound having a higher molar specific heat than nitrogen, and the dilution compound includes a component circulated to the hydrogenation reaction unit as the residual component. 1. A system for hydrogenating an aromatic compound , comprising:a hydrogenation reaction unit for producing a hydrogenated aromatic compound by adding hydrogen to an aromatic compound via a hydrogenation reaction;a separation unit for separating the hydrogenated aromatic compound from a product of the hydrogenation reaction unit; anda transportation unit for circulating at least a part of a residual component remaining in the separation unit after separating the hydrogenated aromatic compound therefrom to the hydrogenation reaction unit;wherein the hydrogen supplied to the hydrogenation reaction unit consists of diluted hydrogen diluted by a dilution compound having a higher molar specific heat than nitrogen, and the dilution compound includes a component circulated to the hydrogenation reaction unit as the residual component.2. The system for hydrogenating an aromatic compound according to claim 1 , wherein the dilution compound in the diluted hydrogen is in a ...

Подробнее

Номер записи: 56

05-03-2015 дата публикации

Hydrogenation Process

Номер: US20150065754A1

Автор: Chen Tan-Jen, Dakka Jihad M., Helton Terry E., Kuechler Keith H., Reine Travis A.

Принадлежит:

The present invention relates to hydrogenation processes including: contacting a first composition with hydrogen under hydrogenation conditions, in the presence of an eggshell hydrogenation catalyst, wherein the first composition has: (i) greater than about 50 wt % of cyclohexylbenzene, the wt % based upon the total weight of the first composition; and (ii) greater than about 0.3 wt % of cyclohexenylbenzene, the wt % based upon the total weight of the first composition; and thereby obtaining a second composition having less cyclohexenylbenzene than the first composition. Other hydrogenation processes are also described. 1. A hydrogenation process comprising:(I) contacting a first composition with hydrogen in the presence of an eggshell hydrogenation catalyst, (i) greater than about 25 wt % of cyclohexylbenzene, the wt % based upon the total weight of the first composition; and', '(ii) greater than about 0.05 wt % in total of at least one olefin, the wt % based upon the total weight of the first composition, and, 'wherein the first composition comprisesthereby obtaining a second composition having a lower concentration of the at least one olefin in total than the first composition.2. The process of claim 1 , wherein the at least one olefin comprises cyclohexenylbenzene claim 1 , the cyclohexenylbenzene has a concentration greater than about 0.05 wt % based on the total weight of the first composition.3. The process of claim 2 , wherein in the contacting step (I) claim 2 , at least a portion of the cyclohexenylbenzene is converted into cyclohexylbenzene.4. The process of claim 1 , wherein in the contacting step (I) claim 1 , the selectivity of the conversion of cyclohexenylbenzene to cyclohexylbenzene is SC1 claim 1 , the selectivity of the conversion of cyclohexenylbenzene to bicyclohexane is SC2 claim 1 , and (SC1−SC2)/SC1≧0.50.5. The process of claim 1 , wherein the concentration of bicyclohexane in the second composition claim 1 , expressed in terms of weight ...

Подробнее

Номер записи: 57

22-05-2014 дата публикации

Counter-Current Fluidized Bed Reactor for the Dehydrogenation of Olefins

Номер: US20140140895A1

Автор: Lev Davydov, Paolo Palmas, Wolfgang A. Spieker

Принадлежит: UOP LLC

A process and apparatus for the dehydrogenation of paraffins is presented. The process utilizes a reactor that includes a slower flow of catalyst through the reactor, with a counter current flow of gas through the catalyst bed. The catalyst is regenerated and distributed over the top of the catalyst bed, and travels through the bed with the aid of reactor internals to limit backmixing of the catalyst.

Подробнее

Номер записи: 58

28-02-2019 дата публикации

ALKANE ACTIVATION WITH SINGLE AND BI-METALLIC CATALYSTS

Номер: US20190062235A1

Автор: HOCK Adam S., KRAUSE Theodore R., XU Yunjie, Zhang Guanghui

Принадлежит:

Methods, compositions, and articles of manufacture for alkane activation with single- or bi-metallic catalysts on crystalline mixed oxide supports. 1. A catalytic article of manufacture comprising:{'sub': x', '1-x', 'y', '1-y', '3, 'a support comprising either a perovskite having the composition LaSrCrFeOwhere x is greater than 0 and less than 1, y is 0.3 to 0.7; and'}a metallic catalyst selected from the group consisting of metallic and bi-metallic catalysts.2. The catalytic article of manufacture of claim 1 , wherein the support comprises a perovskite and wherein x is 0.3 to 0.7.3. The catalytic article of manufacture of claim 1 , wherein the support comprises a perovskite and wherein x is 0.75 and y is 0.7.4. The catalytic article of manufacture of claim 1 , wherein the support comprises a perovskite and wherein y is 0.5.5. The catalytic article of manufacture of claim 2 , wherein metallic catalyst is a single metal catalyst.6. The catalytic article of manufacture of claim 3 , wherein the single metal catalyst is selected from the group consisting of Mo claim 3 , Co claim 3 , and Ce.7. The catalytic article of manufacture of claim 1 , wherein the metallic catalyst is Ce and further wherein the metallic catalyst is doped within the perovskite of the support.8. The catalytic article of manufacture of claim 1 , wherein the support comprises a fluorite and wherein z is 0.1.9. The catalytic article of manufacture of wherein the metallic catalyst is a bimetallic catalyst.10. The catalytic article of manufacture of claim 9 , wherein the bimetallic catalyst comprises Pt as a first metal.11. The catalytic article of manufacture of claim 10 , wherein a second metal of the bimetallic catalyst is selected from the group comprising Re claim 10 , Co claim 10 , and Ga.12. A catalytic article of manufacture comprising:{'sub': '2', 'a support comprising amorphous SiO; and'}a bi-metallic catalyst deposited on the support.13. The catalytic article of manufacture of claim 12 , ...

Подробнее

Номер записи: 59

27-02-2020 дата публикации

METHOD AND DEVICE FOR CARRYING OUT ENDOTHERMIC GAS PHASE-SOLID OR GAS-SOLID REACTIONS

Номер: US20200061565A1

Автор: BERNNAT Jens, GLENK Friedrich, KERN Matthias, KOENIG Rene, Kolios Grigorios, WECHSUNG Achim, ZOELS Bernd

Принадлежит: BASF SE

The present invention relates to a process for conducting endothermic gas phase or gas-solid reactions, wherein the endothermic reaction is conducted in a production phase in a first reactor zone, the production zone, which is at least partly filled with solid particles, where the solid particles are in the form of a fixed bed, of a moving bed and in sections/or in the form of a fluidized bed, and the product-containing gas stream is drawn off from the production zone in the region of the highest temperature level plus/minus 200 K and the product-containing gas stream is guided through a second reactor zone, the heat recycling zone, which at least partly comprises a fixed bed, where the heat from the product-containing gas stream is stored in the fixed bed, and, in the subsequent purge step, a purge gas is guided through the production zone and the heat recycling zone in the same flow direction, and, in a heating zone disposed between the production zone and the heat recycling zone, the heat required for the endothermic reaction is introduced into the product-containing gas stream and into the purge stream or into the purge stream, and then, in a regeneration phase, a gas is passed through the two reactor zones in the reverse flow direction and the production zone is heated up; the present invention further relates to a structured reactor comprising three zones, a production zone containing solid particles, a heating zone and a heat recycling zone containing a fixed bed, wherein the solid particles and the fixed bed consist of different materials. 1: A process for conducting endothermic gas phase or gas-solid reactions , the process comprising:conducting an endothermic reaction in a production step in a first reactor zone, a production zone, which is at least partly filled with solid particles, where the solid particles are in the form of a fixed bed, of a moving bed and in sections or in the form of a fluidized bed, anddrawing off a product-containing gas stream ...

Подробнее

Номер записи: 60

10-03-2016 дата публикации

METHODS FOR PRODUCING NORMAL PARAFFIN FROM A RENEWABLE FEEDSTOCK

Номер: US20160068453A1

Автор: Ellig Daniel, Fichtl Geoffrey William

Принадлежит:

Methods are provided for producing normal paraffins. A method includes contacting a feedstock with a deoxygenation catalyst to produce a paraffin stream, where the feedstock includes a natural oil, and where the deoxygenation catalyst is sulfided. The reactions conditions are controlled when the feedstock contacts the deoxygenation catalyst to control a C11 to C12 normal paraffin ratio, by weight to within about 0.4 to about 1.7. 1. A method of producing normal paraffins , the method comprising the steps of:contacting a feedstock with a deoxygenation catalyst to produce a paraffin stream, wherein the feedstock comprises a natural oil, and wherein the deoxygenation catalyst is sulfided; andcontrolling reaction conditions when the feedstock contacts the deoxygenation catalyst to control a C11 to C12 normal paraffin ratio by weight to within about 0.4 to about 1.7.2. The method of wherein contacting the feedstock with the deoxygenation catalyst comprises contacting the feedstock with the deoxygenation catalyst at a temperature of about 400 degrees centigrade or less to minimize cracking of the normal paraffins in the paraffin stream.3. The method of wherein controlling the reaction conditions when the feedstock contacts the deoxygenation catalyst comprises controlling a sulfur injection rate claim 1 , a reaction temperature claim 1 , a reaction pressure claim 1 , a hydrogen to feedstock feed ratio claim 1 , a liquid hourly space velocity claim 1 , or a combination thereof.4. The method of wherein controlling the reaction conditions when the feedstock contacts the deoxygenation catalyst comprises controlling a sulfur injection rate claim 1 , a reaction pressure claim 1 , a liquid hourly space velocity claim 1 , or a combination thereof.5. The method of further comprising:obtaining the feedstock, wherein the feedstock comprises about 5 parts per million by weight elemental nitrogen or less.6. The method of wherein contacting the feedstock with the deoxygenation catalyst ...

Подробнее

Номер записи: 61

10-03-2016 дата публикации

REACTOR AND PROCESS FOR PARAFFIN DEHYDROGENATION TO OLEFINS

Номер: US20160068454A1

Автор: Baksh Faisal, Nawaz Zeeshan

Принадлежит:

Disclosed herein is a method and apparatus for dehydrogenation of a paraffin comprising: providing a dehydrogenation reactor comprising an integrated fluidized bed reactor and a regenerator reactor, wherein the integrated fluidized bed reactor has a first longitudinal axis and comprises an inner surface defining an interior space, wherein the regenerator reactor has a second longitudinal axis and is positioned at least partially within the interior space; activating a deactivated catalyst present in the regenerator reactor by performing a exothermic catalyst regeneration reaction to produce an activated catalyst and heat; transferring the heat to the integrated fluidized bed reactor; and dehydrogenating a paraffm present in the integrated fluidized bed reactor by performing an endothermic reaction with a catalyst, the paraffm, and at least a portion of the transferred heat to forma dehydrogenation product. 1. A method for dehydrogenation of a paraffin comprising:providing a dehydrogenation reactor comprising an integrated fluidized bed reactor and in-situ regenerator, wherein the integrated fluidized bed reactor has a first longitudinal axis and comprises an inner surface defining an interior space, wherein the in-situ regenerator has a second longitudinal axis and is positioned at least partially within the interior space;activating the deactivated catalyst by regeneration with any oxygen containing gas/fluid performing an exothermic reaction and transferring the heat to the integrated fluidized bed reactor for reaction; and dehydrogenation of paraffin present in the integrated fluidized bed reactor by performing an endothermic reaction, and at least a portion of the transferred heat to form a dehydrogenation products.2. (canceled)3. The method of claim 1 , further comprising transferring a deactivated catalyst from the integrated fluidized bed reactor to the in-situ regenerator.4. The method of claim 1 , further comprising transferring the activated catalyst from ...

Подробнее

Номер записи: 62

12-03-2015 дата публикации

METHOD FOR PRODUCING BIOBASED CHEMICALS FROM PLANT LIGNIN

Номер: US20150073131A1

Автор: Peterson John R., Wu Jian, Yost Christopher M.

Принадлежит:

The present invention is directed generally to a method of production of value-added, biobased chemicals from lignin sources, including waste lignin. A method of producing biobased aromatic chemicals, biobased aromatic fuels, and/or lignin residues from lignin is also described herein. 1. A method for biorefining , comprising the steps of:providing lignin biomass;processing said lignin biomass; andproducing at least one product from said lignin biomass.2. The method of claim 1 , wherein said lignin biomass is provided from at least one biomass of plant biomass claim 1 , woody plant biomass claim 1 , agricultural plant biomass claim 1 , and cultivated plant biomass.3. The method of claim 1 , wherein said lignin biomass is provided from at least one biomass of fresh biomass claim 1 , pulp and paper mill biomass claim 1 , and cellulosic ethanol refinery biomass.4. The method of claim 1 , wherein said lignin biomass is provided from kraft lignin.5. The method of claim 1 , wherein said lignin biomass is provided from waste lignin.6. The method of claim 5 , wherein said waste lignin is provided from at least one waste lignin of sulfite mill waste lignin claim 5 , kraft mill waste lignin claim 5 , and sugar cane mill waste lignin.7. The method of claim 1 , wherein said processing of said lignin biomass is provided from at least one process of chemical processing claim 1 , catalytic processing claim 1 , biological processing claim 1 , and pyrolytic processing.8. The method of claim 7 , further comprising the step of providing a lignin pretreatment.9. The method of claim 1 , wherein said at least one product from said lignin biomass comprises at least one chemical of biobased aromatic chemicals claim 1 , biobased aromatic fuels claim 1 , and lignin residues.10. The method of claim 9 , wherein said biobased aromatic chemicals comprise at least one chemical of commodity chemicals claim 9 , fine chemicals claim 9 , and specialty chemicals.11. The method of claim 10 , wherein ...

Подробнее

Номер записи: 63

12-03-2015 дата публикации

HIGH TEMPERATURE CCR PROCESS WITH INTEGRATED REACTOR BYPASSES

Номер: US20150073189A1

Автор: Moser Mark D., Sadler Clayton C.

Принадлежит:

A process is presented for increasing the aromatics content in a reformate process stream. The process modifies existing processes to change the operation without changing the reactors or heating units. The process includes bypasses to utilize heating capacity of upstream heating units, and passes the excess capacity of the upstream heating units to downstream process streams. 1. A process for increasing the aromatic content of a hydrocarbon stream , comprising:passing the hydrocarbon stream through a series of reforming reactors and reactor feed heaters, wherein the reactors feed heaters generate a heated stream and at least one of the heated streams is split into a first portion and a second portion, with the first portion passed to a reforming reactor to generate a reforming reactor effluent stream; andwherein the second portion of the heated stream is combined with a downstream reforming reactor effluent stream and the combined stream is passed to a downstream reactor feed heater, to generate a reactor product stream with increased aromatic content.2. The process of wherein the first reactor is operated at a first temperature claim 1 , and the subsequent reactors are operated at a second temperature and the second temperature is greater than the first temperature.3. The process of further comprising:splitting at least one reactor effluent stream into a first portion and a second portion;passing the first portion of the effluent stream with the second portion of the heated stream to a reactor interheater; andcombining the second portion of the effluent stream with a downstream heated feedstream to a downstream reactor.4. The process of wherein the downstream reactor is the next reactor in the series of reactors.5. The process of wherein the downstream reactor is the reactor after the next reactor in the series of reactors.6. The process of wherein the first reaction temperature is between 400° C. and 500° C.7. The process of wherein there are at least two ...

Подробнее

Номер записи: 64

05-06-2014 дата публикации

Catalyst for use in production of saturated hydrocarbons from synthesis gas

Номер: US20140151265A1

Автор: Hengyong Xu, Qingjie Ge, Xiangang MA

Принадлежит: BP PLC, Dalian Institute of Chemical Physics of CAS

A catalyst composition is provided for use in the conversion of carbon oxide(s) to saturated hydrocarbons. The catalyst composition comprises a carbon oxide(s) conversion catalyst; and a dehydration/hydrogenation catalyst comprising a silicoalumino phosphate (SAPO) molecular sieve and a metal M, for example Pd. In one embodiment, the target saturated hydrocarbons include LPG, the SAPO comprises SAPO-5 and/or SAPO-37.

Подробнее

Номер записи: 65

07-03-2019 дата публикации

Biofuel and method for preparation by isomerizing metathesis

Номер: US20190071611A1

Автор: Kai F. Pfister, Lukas Goossen, Sabrina BAADER

Принадлежит: Umicore AG and Co KG

Subject of the invention is a process for producing a biofuel from fatty acid methyl esters (FAMEs) obtained by transesterification of vegetable oils, comprising the steps of: (a) ethenolysis of the fatty acid methyl esters in the presence of ethylene and an ethenolysis catalyst, and (b) isomerizing metathesis in the presence of an isomerization catalyst and a metathesis catalyst. The invention also relates to biofuels obtainable by the inventive process and to uses of ethylene for adjusting and optimizing biofuels.

Подробнее

Номер записи: 66

05-03-2020 дата публикации

HYDROCARBON CONVERSION CATALYST SYSTEM

Номер: US20200070128A1

Автор: JANTHARASUK Amnart, JAREEWATCHARA Wuttithep, SURIYE Kongkiat

Принадлежит: SMH Co., Ltd

The present invention relates to a hydrocarbon conversion catalyst system comprising: a first composition comprising a dehydrogenation active metal on a solid support; and a second composition comprising a transition metal on an inorganic support and a hydrocarbon conversion process utilizing the hydrocarbon conversion catalyst system. 1. A hydrocarbon conversion catalyst system , comprising:a. a first composition comprising a dehydrogenation active metal on a solid support; andb. a second composition comprising a transition metal on an inorganic support.2. The hydrocarbon conversion catalyst system according to claim 1 , wherein the dehydrogenation active metal is selected from the group consisting of platinum claim 1 , palladium claim 1 , iridium claim 1 , chromium claim 1 , and mixtures thereof.3. The hydrocarbon conversion catalyst system according to claim 1 , wherein the dehydrogenation active metal is platinum.4. The hydrocarbon conversion catalyst system according to claim 1 , wherein the solid support is selected from aluminum oxide claim 1 , silicon dioxide claim 1 , zirconium dioxide claim 1 , titanium dioxide claim 1 , magnesium oxide claim 1 , calcium oxide claim 1 , and mixtures thereof.5. The hydrocarbon conversion catalyst system according to claim 4 , wherein the solid support is a mixed of at least two or more metal oxides selected from the group consisting of mixed magnesium-aluminum oxide claim 4 , mixed calcium-aluminum oxide claim 4 , and mixture thereof.6. The hydrocarbon conversion catalyst system according to claim 5 , wherein the mixed of at least two or more metal oxides is derived from a layered double hydroxide.7. The hydrocarbon conversion catalyst system according to claim 1 , wherein the first composition further comprises an additional active metal selected from the group consisting of potassium claim 1 , tin claim 1 , lanthanum claim 1 , indium claim 1 , yttrium claim 1 , ytterbium claim 1 , rhenium claim 1 , and mixtures thereof.8. ...

Подробнее

Номер записи: 67

05-03-2020 дата публикации

Polyoxometalates Comprising Noble Metals and Post-Transition Metals and Metal Clusters Thereof

Номер: US20200070131A1

Автор: Peng Yang, Tian MA, Ulrich Kortz, Wassim W. Ayass, Zhengguo LIN

Принадлежит: ExxonMobil Chemical Patents Inc

The invention relates to polyoxometalates represented by the formula (A n ) m+ [M′M 12 X 8 O y R z H q ] m− or solvates thereof, corresponding supported polyoxometalates, and processes for their preparation, as well as corresponding metal clusters, optionally in the form of a dispersion in a liquid carrier medium or immobilized on a solid support, and processes for their preparation, as well as their use in reductive conversion of organic substrate.

Подробнее

Номер записи: 68

19-03-2015 дата публикации

Production and Use of 3,4' and 4,4'-Dimethylbiphenyl Isomers

Номер: US20150080546A1

Автор: Dakka Jihad M., DeCaul Lorenzo C., Galuska Alan A., Kuechler Keith H., MOHR Gary D., Salciccioli Michael, Sangar Neeraj

Принадлежит:

In a process for producing 3,4′ and/or 4,4′ dimethyl-substituted biphenyl compounds, a feed comprising toluene is contacted with hydrogen in the presence of a hydroalkylation catalyst under conditions effective to produce a hydroalkylation reaction product comprising (methylcyclohexyl)toluenes. At least part of the hydroalkylation reaction product is dehydrogenated in the presence of a dehydrogenation catalyst under conditions effective to produce a dehydrogenation reaction product comprising a mixture of dimethyl-substituted biphenyl isomers. The dehydrogenation reaction product is then separated into at least a first stream containing at least 50% of 3,4′ and 4,4′ dimethylbiphenyl isomers by weight of the first stream and at least one second stream comprising one or more 2,x′ (where x′ is 2′, 3′, or 4′) and 3,3′ dimethylbiphenyl isomers. 1. A process for producing 3 ,4′ and/or 4 ,4′ dimethyl-substituted biphenyl compounds , the process comprising:(a2) contacting a feed comprising benzene with hydrogen in the presence of a hydroalkylation catalyst under conditions effective to produce a hydroalkylation reaction product comprising cyclohexylbenzenes;(b2) dehydrogenating at least part of the hydroalkylation reaction product in the presence of a dehydrogenation catalyst under conditions effective to produce a dehydrogenation reaction product comprising biphenyl;(c2) reacting at least part of the dehydrogenation reaction product with a methylating agent in the presence of an alkylation catalyst under conditions effective to produce a methylation reaction product comprising a mixture of dimethyl-substituted biphenyl isomers; and(d2) separating the methylation reaction product into at least a first stream containing at least 50% of 3,4′ and 4,4′ dimethylbiphenyl isomers by weight of the first stream and at least one second stream comprising one or more 2,X′ (where X′ is 2′, 3′, or 4′) and 3,3′ dimethylbiphenyl isomers.2. The process of claim 1 , wherein the ...

Подробнее

Номер записи: 69

18-03-2021 дата публикации

Processes for conversion of biologically derived mevalonic acid

Номер: US20210078966A1

Автор: Brian Neltner, Deepak DUGAR

Принадлежит: Visolis Inc

A process is provided for converting mevalonic acid into various useful products and derivatives. More particularly, the process comprises reacting mevalonic acid, or a solution comprising mevalonic acid, in the presence of a solid catalyst at an elevated temperature and pressure to thereby form various biobased products. The process may also comprise: (a) providing a microbial organism that expresses a biosynthetic mevalonic acid pathway; (b) growing the microbial organism in fermentation medium comprising suitable carbon substrates, whereby biobased mevalonic acid is produced; and (c) reacting the biobased mevalonic acid in the presence of a solid catalyst at an elevated temperature and pressure to yield various biobased products.

Подробнее

Номер записи: 70

12-03-2020 дата публикации

CATALYST COMPOSITION

Номер: US20200078777A1

Автор: LI Hong-Xin, MAUER Richard Berend, SABATER PUJADAS Gisela

Принадлежит:

A catalyst composition comprising (a) carrier comprising (i) 5 to 95 wt % mordenite type zeolite having a mean crystallite length parallel to the direction of the 12-ring channels of 60 nm or less and a mesopore volume of at least 0.10 cc/gram, (ii) 5 to 95 wt % ZSM-5 type zeolite; and (iii) 10 to 60 wt % inorganic binder; and (b) 0.001 to 10 wt % of one or more catalytically active metals, wherein the inorganic binder comprises titania, its preparation and its use in alkylaromatic conversion. 1. A catalyst composition comprising(a) a carrier comprising (i) mordenite type zeolite having a mean crystallite length parallel to the direction of the 12-ring channels of 60 nm or less and a mesopore volume of at least 0.10 cc/gram in an amount in the range of from 5 to 95 wt %, based on total weight of carrier, (ii) ZSM-5 type zeolite in an amount of from 5 to 95 wt %, based on total weight of carrier; and (iii) an inorganic binder in an amount in the range of from 10 to 60 wt %, based on total weight of carrier; and(b) of from 0.001 to 10 wt % of one or more catalytically active metals, wherein the inorganic binder comprises titania.2. The catalyst composition according to claim 1 , in which the carrier comprises mordenite type zeolite in an amount in the range of from 20 to 90 wt % claim 1 , based on total weight of carrier.3. The catalyst composition according to claim 1 , in which the carrier comprises ZSM-5 type zeolite in an amount of from 10 to 70 wt % claim 1 , based on total weight of carrier.4. The catalyst composition according to claim 1 , wherein the ZSM-5 type zeolite has a silica to alumina molar ratio in the range of from 15 to 40.5. The catalyst composition according to claim 1 , wherein the ZSM-5 type zeolite has a number average crystal size in the range of from 25 to 200 nm claim 1 , as determined by X-ray diffraction.6. The catalyst composition according to claim 1 , wherein the ZSM-5 type zeolite has a number average.7. A crystal size in the range of ...

Подробнее

Номер записи: 71

12-03-2020 дата публикации

A CATALYTIC PROCESS FOR CO-PRODUCTION OF BENZENE, ETHYLENE, AND HYDROGEN

Номер: US20200078778A1

Автор: CHEN Ye-Mon, Lauritzen Ann Marie, LEE Chi Chiang

Принадлежит:

A process for the production of benzene and ethylene from an alkane-containing gas stream. The alkane-containing gas stream may be contacted, in a reaction zone of a reactor under alkane aromatization conditions, with an aromatization catalyst including any combination of fresh, spent, and regenerated catalyst to produce an outlet stream including (i) spent catalyst and (ii) a product mixture including benzene and ethylene. The spent catalyst may be regenerated in a regeneration zone under regeneration conditions to produce the regenerated catalyst. A selected amount of fresh catalyst may be added to the regeneration zone to produce the mixture of fresh catalyst and regenerated catalyst, which may be recycled to the reaction zone. A ratio of benzene to ethylene in the product mixture may be controlled by modifying the alkane aromatization conditions, the regeneration conditions, and/or the selected amount of fresh catalyst added to the regeneration zone. 1. A process for the production of benzene and ethylene from an alkane-containing gas stream , which alkane-containing gas stream contains at least one alkane selected from the group consisting of ethane , propane or butane , comprising:(a) contacting the alkane-containing gas stream, in a reaction zone of a reactor under alkane aromatization conditions, with an aromatization catalyst comprising a mixture of fresh catalyst and regenerated catalyst to produce an outlet stream comprising (i) spent catalyst and (ii) a product mixture comprising benzene and ethylene,(b) separating the spent catalyst from the product mixture in the outlet stream,(c) regenerating the separated spent catalyst in a regeneration zone under regeneration conditions to produce the regenerated catalyst,(d) adding a selected amount of fresh catalyst to the regeneration zone to produce the mixture of fresh catalyst and regenerated catalyst,(e) recycling the mixture of fresh catalyst and regenerated catalyst to the reaction zone, and(f) controlling ...

Подробнее

Номер записи: 72

12-03-2020 дата публикации

Hydrocarbon Oxidation

Номер: US20200079711A1

Автор: Graham HUTCHINGS, Nishtha Agarwal, Simon FREAKLEY, Stuart Taylor

Принадлежит: University College Cardiff Consultants Ltd

A method of direct oxidation of a hydrocarbon to produce an oxygenated reaction product, wherein said method comprises contacting a peroxide and oxygen and the hydrocarbon with a suspension of catalyst particles dispersed in a liquid reaction medium, wherein the catalyst particles are unsupported and comprise at least one transition metal.

Подробнее

Номер записи: 73

29-03-2018 дата публикации

RUTHENIUM-RHENIUM-BASED CATALYST AND A METHOD FOR THE SELECTIVE METHANATION OF CARBON MONOXIDE

Номер: US20180085739A1

Автор: Altwasser Stefan, HOFFMANN Mike, Kotrel Stefan, MILANOV Adrian, SCHWAB Ekkehard

Принадлежит:

The present invention relates to a catalytically active composition for the selective methanation of carbon monoxide in reformate streams comprising hydrogen and carbon dioxide, comprising at least one element selected from the group consisting of ruthenium, rhodium, nickel and cobalt as active component and rhenium as dopant on a support material. The catalyst according to the invention is preferably used for carrying out methanation reactions in a temperature range from 100 to 300° C. for use in the production of hydrogen for fuel cell applications. 112.-. (canceled)13. A catalytically active composition for the selective methanation of carbon monoxide in reformate streams comprising hydrogen and carbon dioxide , comprising at least one element selected from the group consisting of ruthenium , rhodium , nickel and cobalt as active component and rhenium as dopant on a support material.14. The catalytically active composition according to claim 13 , wherein the active component is present in an amount of from 0.1 to 20% by weight and rhenium is present in an amount of from 0.01 to 20% by weight claim 13 , in each case based on the total amount of the catalytically active composition.15. The catalytically active composition according to claim 13 , wherein the composition comprises ruthenium as active component.16. The catalytically active composition according to claim 13 , wherein the composition comprises a lanthanum-cerium-zirconium oxide as support material.17. The catalytically active composition according to claim 16 , wherein the support material comprises lanthanum oxide in an amount of from 0.1 to 15% by weight claim 16 , cerium oxide in an amount of from 0.1 to 20% by weight and zirconium oxide in an amount of from 30 to 99.8% by weight claim 16 , in each case based on the total amount of the support material.18. A process for producing a catalytically active composition according to claim 13 , which comprises the steps of bringing the active component and ...

Подробнее

Номер записи: 74

31-03-2016 дата публикации

CATALYSIS BY METAL NANOPARTICLES DISPERSED WITHIN A HIERARCHICALLY POROUS CARBON MATERIAL

Номер: US20160089657A1

Автор: Bakker Martin G., Sayler Franchessa Maddox, Shaughnessy Kevin

Принадлежит:

Disclosed are hierarchically porous carbon materials with a plurality of discreet nanoparticles dispersed on their carbon phase. The materials possess a continuous network of pores that spans the porous material, permitting the flow of fluids into and through the material. The porous materials can be used as heterogeneous catalysts. 1. A hierarchically porous material comprising:a) a plurality of macropores defined by a wall, wherein the macropores have a diameter of from about 0.1 μm to about 50 μm,wherein the macropores interconnect, forming a continuous network of pores that spans the porous material,wherein the walls of the macropores comprise a plurality of mesopores defined by a wall, wherein the mesopores have a diameter of from about 2 nm to about 50 nm, andwherein the walls of the macropores and mesopores comprise a continuous carbon phase; andb) a plurality of discreet nanoparticles dispersed on the carbon phase of the macropores and mesopores.2. The material of claim 1 , wherein the material is a monolith.3. The material of claim 1 , wherein the material is a particle.4. The material of claim 1 , wherein the macropores have a diameter of from about 0.5 μm to about 30 μm.5. The material of claim 1 , wherein the mesopores having a diameter of from about 2 nm to about 15 nm thereby resulting in a porous material with hierarchical pores.6. The material of claim 1 , wherein the nanoparticles comprise a catalytically active metal claim 1 , metal oxide claim 1 , or combinations thereof.7. The material of claim 6 , wherein the metal claim 6 , metal oxide claim 6 , or combinations thereof comprise a metal selected from the group consisting of Ti claim 6 , V claim 6 , Cr claim 6 , Mn claim 6 , Fe claim 6 , Co claim 6 , Ni claim 6 , Cu claim 6 , Zr claim 6 , Nb claim 6 , Mo claim 6 , Tc claim 6 , Ru claim 6 , Rh claim 6 , Pd claim 6 , Ag claim 6 , Hf claim 6 , Ta claim 6 , W claim 6 , Re claim 6 , Os claim 6 , Ir claim 6 , Pt claim 6 , Au claim 6 , La claim 6 , Ce ...

Подробнее

Номер записи: 75

30-03-2017 дата публикации

PROCESS FOR REMOVING CL FROM OXY-DEHYDRO CATALYST

Номер: US20170087544A1

Автор: Egolf Bryan J., Gattupalli Rajeswar, Sachtler J. W. Adriaan

Принадлежит:

A process for the production of olefins from paraffins is presented. The process converts a paraffin stream through an oxy-dehydrogenation to process stream having olefins. The process includes a continuous catalyst regeneration system, where the catalyst cycles through the reactor and a regenerator. The process includes a treatment step for conditioning the catalyst to remove chloride on the catalyst after regeneration. 1. A process for the regeneration of catalyst for an oxidative dehydrogenation reactor , comprising:passing the catalyst, comprising a noble metal, to a catalyst regenerator to generate a regenerated catalyst stream; andpassing the regenerated catalyst stream to a treatment unit to generate a regenerated stream comprising the catalyst with a chloride (Cl) content less than 1 wt % of the catalyst.2. The process of further comprising passing steam to the treatment unit.3. The process of wherein the treatment unit is operated at a temperature greater than 250° C.4. The process of wherein the Cl content is reduced to less than 0.5 wt % of the catalyst.5. The process of wherein the Cl content is reduced to less than 0.2 wt % of the catalyst.6. The process of further comprising passing the regenerated catalyst stream to an oxidative dehydrogenation reactor claim 1 , wherein the reactor is a moving bed reactor and generates a spent catalyst stream.7. The process of further comprising passing the spent catalyst stream to the catalyst regenerator.8. The process of wherein the catalyst regenerator comprises at least two parts claim 1 , a first combustion section for removing carbon from the catalyst claim 1 , and a second chlorination section for redispersing the noble metal on the catalyst.9. The process of wherein the noble metal is platinum claim 1 , or palladium.10. The process of wherein the catalyst comprises a noble metal claim 1 , and at least one other metal selected from the group consisting of tin (Sn) claim 1 , germanium (Ge) claim 1 , lead (Pb) ...

Подробнее

Номер записи: 76

30-03-2017 дата публикации

HYDROGENATION OF OXYGENATED MOLECULES FROM BIOMASS REFINING

Номер: US20170088498A1

Автор: HALLAC Bassem, Jansen Robert, LAPIDOT Noa, LAWSON James Alan, Madsen Lee, MATIS Neta, ZVIELY Michael

Принадлежит: VIRDIA, INC.

The present disclosure relates to methods, processes, and systems for utilizing the dehydrogenation of 2-butanol for hydrogen consuming reactions of biomass or biomass-derived molecules. The present invention relates to methods, processes, and systems for utilizing the dehydrogenation of 2-butanol for hydrogen consuming hydrogenation, hydrogenolysis, or hydrodeoxygenation reactions of biomass or biomass-derived molecules. 1. A method for using 2-butanol as the hydrogen source for a conversion reaction , the method comprising:dehydrogenating 2-butanol to yield 2-butanone; wherein hydrogen removed from the 2-butanol during dehydrogenating is the hydrogen source for the conversion reaction; and wherein the conversion reaction comprises hydrogenation, hydrogenolysis, or hydrodeoxygenation.2. The method of claim 1 , wherein the conversion reaction converts a biomass-derived molecule to form a product.3. The method of claim 2 , wherein the biomass-derived molecule is derived from lignocellulosic biomass claim 2 , and wherein the biomass-derived molecule is selected from a saccharide claim 2 , a dehydrated saccharide claim 2 , a halodehydrated saccharide claim 2 , a dehydrated and partially hydrogenated saccharide claim 2 , or a hydrogenated saccharide claim 2 , or a combination thereof.4. The method of claim 3 , wherein the saccharide or the dehydrated saccharide is selected from monosaccharide claim 3 , oligosaccharide claim 3 , furfural claim 3 , halofurfural claim 3 , methyl furfural claim 3 , furfuryl alcohol claim 3 , methyl furfuryl alcohol claim 3 , (methoxymethyl)-methyl furfural claim 3 , hydroxymethylfurfural claim 3 , 2-methylfuran claim 3 , dimethylfuran claim 3 , 2 claim 3 ,5-bis(hydroxymethyl)furan claim 3 , 5-hydroxymethyl-2-[(1-methylethoxy)methyl] furan claim 3 , and 2-methyl-5[(1-methylmethoxy)methyl] furan claim 3 , bis(1-methoxyethoxy)-methyl furan claim 3 , tetrahydrofuran claim 3 , or levoglucosenone claim 3 , or a combination thereof.5. The method ...

Подробнее

Номер записи: 77

02-04-2015 дата публикации

Hydroalkylating Process

Номер: US20150094494A1

Автор: Kiss Gabor, Kuechler Keith H.

Принадлежит:

An alkylating process such as hydroalkylating process comprising feeding a gas material and a liquid material into the reactor, distributing the liquid material to the upper surface of a bed of a catalyst substantially uniformly. The substantial uniform distribution of the liquid material to the upper surface allows for substantially uniform distribution of liquid reaction medium in the bed, thereby preventing hot spot and undesirable continuous liquid zone, both of which can cause the production of undesired by-products. The invention is particularly useful for the hydroalkylation reaction of benzene in making cyclohexylbenzene, which can be used for making cyclohexanone and phenol. 1. A hydroalkylation process , the process comprising:(I) supplying hydrogen and an aromatic compound into a hydroalkylation reactor;(II) contacting the hydrogen and the aromatic compound with a hydroalkylation catalyst comprising a first hydrogenation metal component and an alkylation component in a first reaction zone in the hydroalkylation reactor to obtain a first reaction mixture comprising hydrogen, an alkylated aromatic compound and an olefin; and(III) contacting the first reaction mixture with a hydrogenation catalyst comprising a second hydrogenation metal component and essentially free of an alkylation component in a second reaction zone in the hydroalkylation reactor to obtain a second reaction mixture.2. The hydroalkylation process of claim 1 , wherein the aromatic compound is selected from benzene claim 1 , toluene claim 1 , o-xylene claim 1 , m-xylene claim 1 , p-xylene claim 1 , ethylbenzene claim 1 , methylethylbenzene claim 1 , and mixtures of at least two thereof.3. The hydroalkylation process of claim 1 , wherein the aromatic compound is benzene claim 1 , the alkylated aromatic compound is cyclohexylbenzene claim 1 , and the olefin is phenylcylohexene.4. The hydroalkylation process of claim 3 , wherein the first reaction mixture has a concentration of ...

Подробнее

Номер записи: 78

05-05-2022 дата публикации

Methods of Preparing an Aromatization Catalyst

Номер: US20220134319A1

Автор: An-Hsiang Wu, Joseph Bergmeister

Принадлежит: Chevron Phillips Chemical Co LP

Catalysts and method of preparing the catalysts are disclosed. One of the catalysts includes a zeolite support, a Group VIII metal on the zeolite support, and at least two halides bound to the zeolite support, to the Group VIII metal, or to both, and can have an average crush strength greater than 11.25 lb based on at least two samples of pellets of the catalyst measured in accordance with ASTM D4179.

Подробнее

Номер записи: 79

05-05-2022 дата публикации

CATALYST FOR HYDROGENATION REACTION AND METHOD FOR PRODUCING SAME

Номер: US20220134323A1

Автор: CHOI Minkee, KO Dong Hyun, Lee Songhyun, SUH Myungji

Принадлежит:

A catalyst for a hydrogenation reaction including: a polymer support; and a catalytic component supported on the polymer support. The polymer support comprises a repeating unit represented by Formula 1.

Подробнее

Номер записи: 80

07-04-2016 дата публикации

METHODS AND APPARATUSES FOR PROCESSING BIO-DERIVED NORMAL NONANE

Номер: US20160096782A1

Автор: Frey Stanley Joseph

Принадлежит:

Methods for forming bio-derived fuel products, upgrading bio-derived feedstocks, and processing bio-derived normal nonane are provided. In an embodiment, a method for forming a bio-derived fuel product includes providing a bio-derived hydrocarbon stream comprising at least about 50 wt % normal nonane and having a research octane number of less than about 10. The method further includes isomerizing the bio-derived hydrocarbon stream over a non-zeolitic, non-sulfated and/or non-halogenated catalyst to form the bio-derived fuel product with a research octane number of greater than about 50. 1. A method for forming a bio-derived fuel product , the method comprising the steps of:providing a bio-derived hydrocarbon stream comprising at least about 50 wt % normal nonane and having a research octane number of less than about 10; andisomerizing the bio-derived hydrocarbon stream over a non-zeolitic, non-sulfated and/or non-halogenated catalyst to form the bio-derived fuel product with a research octane number of greater than about 50.2. The method of wherein providing the bio-derived hydrocarbon stream comprises providing the bio-derived hydrocarbon stream comprising at least about 90 wt % normal nonane and having a research octane number of less than about 5.3. The method of wherein providing the bio-derived hydrocarbon stream comprises providing the bio-derived hydrocarbon stream having a research octane number of less than about 0.4. The method of wherein isomerizing the bio-derived hydrocarbon stream comprises forming the bio-derived fuel product with a research octane number of greater than about 75.5. The method of wherein providing the bio-derived hydrocarbon stream comprises providing the bio-derived hydrocarbon stream having a research octane number of less than about 0.6. The method of wherein isomerizing the bio-derived hydrocarbon stream forms the bio-derived fuel product with a Ccontent of less than about 5 wt %.7. The method of wherein the bio-derived ...

Подробнее

Номер записи: 81

09-04-2015 дата публикации

CONVERSION OF PROPANE TO PROPYLENE

Номер: US20150099911A1

Автор: Gadewar Sagar, Grosso Philip, Julka Vivek, McFarland Eric W., Sherman Jeffrey H., Stoimenov Peter K., Zhang Aihua

Принадлежит:

A process is disclosed that includes brominating a C, C, C, Cor Calkane with elemental bromine to form a bromo-alkane. The bromo-alkane is reacted to form a C, C, C, Cor Calkene and HBr. The HBr is oxidized to form elemental bromine. 1. A process comprising:{'sub': 2', '3', '4', '5', '6, 'brominating an alkane with elemental bromine to form a bromo-alkane and dibromo-alkane, wherein the alkane is a C, C, C, Cor Calkane;'}reacting the bromo-alkane to form a corresponding alkene of the alkane and HBr; andoxidizing the HBr to form elemental bromine.2. The process of claim 1 , wherein the alkane is ethane claim 1 , propane claim 1 , n-butane claim 1 , isobutane claim 1 , a pentane claim 1 , or a hexane.3. The process of claim 2 , wherein the alkane is propane and the alkene is propylene.4. A process comprising:providing a feedstock comprising propane;reacting at least some of the propane with bromine to form bromopropane, dibromopropane, and HBr;dehydrobrominating the bromopropane to form a propylene and HBr mixture;separating the propylene and HBr mixture to form propylene and recycle HBr;oxidizing the recycle HBr to form a bromine and water mixture; andseparating bromine from the bromine and water mixture.5. The process of claim 4 , wherein the step of reacting at least some of the propane with bromine is thermally induced.6. The process of claim 5 , wherein the reaction occurs at a temperature of at least 200° C.7. The process of claim 4 , wherein the dehydrobrominating step takes place in the presence of a catalyst.8. The process of claim 7 , wherein the catalyst is selected from the group consisting of a silica-based catalyst claim 7 , titanium dioxide claim 7 , zirconium dioxide and their mixtures thereof9. The process of claim 7 , wherein in the dehydrobrominating step claim 7 , the bromopropane is heated to between 250° C. and 500° C.10. The process of claim 4 , wherein separating the propylene and HBr mixture is accomplished by distillation.11. The process of ...

Подробнее

Номер записи: 82

26-06-2014 дата публикации

Sabatier process and apparatus for controlling exothermic reaction

Номер: US20140178270A1

Автор: Christian Junaedi, Kyle Hawley, Subir Roychoudhury

Принадлежит: Precision Combustion Inc

A Sabatier process involving contacting carbon dioxide and hydrogen in a first reaction zone with a first catalyst bed at a temperature greater than a first designated temperature; feeding the effluent from the first reaction zone into a second reaction zone, and contacting the effluent with a second catalyst bed at a temperature equal to or less than a second designated temperature, so as to produce a product stream comprising water and methane. The first and second catalyst beds each individually comprise an ultra-short-channel-length metal substrate. An apparatus for controlling temperature in an exothermic reaction, such as the Sabatier reaction, is disclosed.

Подробнее

Номер записи: 83

26-06-2014 дата публикации

Method of olefin metathesis using a catalyst based on a spherical material comprising oxidised metal particles trapped in a mesostructured matrix

Номер: US20140179973A1

Автор: Alexandra Chaumonnot, Clement Sanchez, Damien DEBECKER, Fréderic COLBEAU-JUSTIN, Mikael Berthod

Принадлежит: IFP Energies Nouvelles IFPEN, Universite Catholique de Louvain UCL, Universite Pierre et Marie Curie Paris 6

A process for metathesis of olefins, bringing olefins into contact with a catalyst activated by heating to a temperature in the range 100° C. to 1000° C. in an atmosphere of non-reducing gas, the catalyst containing at least one inorganic material having at least two elementary spherical particles, each of which are metal oxide particles with a size of at most 300 nm and containing at least one of tungsten, molybdenum, rhenium, cobalt, tin, ruthenium, iron or titanium, alone or a mixture, the metal oxide particles being present within a mesostructured matrix of an oxide of at least one element Y: silicon, aluminium, titanium, tungsten, zirconium, gallium, germanium, tin, antimony, lead, vanadium, iron, manganese, hafnium, niobium, tantalum, yttrium, cerium, gadolinium, europium or neodymium or a mixture thereof, the matrix having pore size 1.5 to 50 nm and amorphous walls with thickness 1 to 30 nm and maximum diameter of 200 μm.

Подробнее

Номер записи: 84

26-03-2020 дата публикации

Catalyst for the methanation of syngas and producer gas

Номер: US20200094227A1

Автор: Reinhard Seiser, Robert Cattolica, Tinku Baidya

Принадлежит: UNIVERSITY OF CALIFORNIA

Disclosed herein, inter alia, are novel nickel-ruthenium-magnesium oxide catalyst compositions and methods of making and using the same. The catalysts provide for improved methanation activity of syngas (CO+H2) and producer gas in, for example, a fixed-bed reactor. In this manner, the CO conversion and CH4 yield can be maximized in methanation reactions.

Подробнее

Номер записи: 85

13-04-2017 дата публикации

TRIPHASIC FLOW MILLIREACTORS

Номер: US20170101358A1

Автор: Khan Saif A., Yan Ning, Yap Swee Kun, Yuan Yuan

Принадлежит:

Disclosed is a reactor system that contains multiple millireactors, each including a millitube, a first feed line, a second feed line, and a third feed line. Each of the first and second feed lines has a hydraulic damper disposed therein. Also disclosed is a process for conducting in a millitube a triphasic flow reaction that requires a liquid reactant, a gas reactant, and a catalyst. 2. The reactor system of claim 1 , further comprising:a first liquid container connected to the first end of the first feed line, the first container connected in fluid communication to a first pump;a second liquid container connected to the first end of the second feed line, the second container connected in fluid communication to a second pump;a gas container connected to the first end of the third feed line; andan outflow container connected to the second end of the millitube.3. The reactor system of claim 2 , wherein the first and second pumps are each a peristaltic pump.4. The reactor system of claim 1 , wherein the millitube is a polytetrafluoroethylene tube.5. The reactor system of claim 4 , wherein the millitube has a length of 2-20 m and an inner diameter of 1-5 mm.6. The reactor system of claim 4 , wherein the first and second hydraulic dampers each consist of a first tube claim 4 , a second tube claim 4 , and a third tube in series claim 4 , the second tube having an inner diameter larger than that of the first tube and that of the third tube.7. The reactor system of claim 6 , wherein the first tube has the same length and inner diameter as those of the third tube.8. The reactor system of claim 6 , wherein the second tube in the first hydraulic damper is a silicone tube and the second tube in the second hydraulic damper is a viton tube.9. The reactor system of claim 5 , wherein the first and second hydraulic dampers each consist of a first tube claim 5 , a second tube claim 5 , and a third tube in series claim 5 , the second tube in each of the hydraulic dampers having an ...

Подробнее

Номер записи: 86

02-06-2022 дата публикации

RECONSTITUTED DEHYDROGENATION CATALYST SHOWING SLOWED ACTIVITY LOSS WHEN COMPARED WITH FRESH CATALYST

Номер: US20220168709A1

Автор: Luo Lin, Malek Andrzej M., Rosenfeld Devon C.

Принадлежит: Dow Global Technologies LLC

A process for dehydrogenating alkane or alkylaromatic compounds comprising contacting the given compound and a dehydrogenation catalyst in a fluidized bed. The dehydrogenation catalyst is prepared from an at least partially deactivated platinum/gallium catalyst on an alumina-based support that is reconstituted by impregnating it with a platinum salt solution, then calcining it at a temperature from 400° C. to 1000° C., under conditions such that it has a platinum content ranging from 1 to 500 ppm, based on weight of catalyst; a gallium content ranging from 0.2 to 2.0 wt %; and a platinum to gallium ratio ranging from 1:20,000 to 1:4. It also has a Pt retention that is equal to or greater than that of a fresh catalyst being used in a same or similar catalytic process. 18-. (canceled)9. A process for dehydrogenating alkane or alkylaromatic compounds comprising: (a) obtaining a dehydrogenation catalyst comprising platinum and gallium on an alumina-based support, the dehydrogenation catalyst having been previously fresh but having become at least partially deactivated by the selective removal of platinum from the dehydrogenation catalyst, wherein the at least partially deactivated dehydrogenation catalyst has a ratio of platinum to gallium that is less than a ratio of platinum to gallium of the previously fresh dehydrogenation catalyst;', '(b) impregnating the at least partially deactivated dehydrogenation catalyst with a solution consisting of a platinum salt in water to form an impregnated dehydrogenation catalyst; and', '(c) calcining the impregnated dehydrogenation catalyst at a temperature ranging from 400° C. to 1000° C.;', '(b) and (c) being carried out under conditions suitable to form a reconstituted dehydrogenation catalyst having (i) a platinum content ranging from 1 part per million, based on weight of catalyst, to 500 parts per million, based on weight of catalyst; (ii) a gallium content ranging from 0.2 wt % to 2.0 wt %; and (iii) a ratio of platinum to ...

Подробнее

Номер записи: 87

29-04-2021 дата публикации

PREPARATION METHOD OF NITROGEN-DOPED HIERARCHICAL-POROUS CARBON-LOADED NANOMETER PD CATALYST AND PRODUCT AND APPLICATION THEREOF

Номер: US20210121855A1

Автор: MAO Shanjun, Wang Yong, Wang Zhe

Принадлежит: Zhejiang University

Disclosed are a nitrogen-doped hierarchical-porous carbon-loaded nano-Pd catalyst and a preparation method thereof. The preparation method includes preparing nitrogen-doped hierarchical-porous carbon, mixing the nitrogen-doped hierarchical-porous carbon with water, adjusting a pH value of the mixed solution to be alkaline, mixing the mixed solution with a Pd metal precursor aqueous solution, and then adding a reducing agent to obtain the nitrogen-doped hierarchical-porous carbon-loaded nano-Pd catalyst after reduction. The prepared nitrogen-doped hierarchical-porous carbon-loaded nano-Pd catalyst includes a nitrogen-doped porous carbon material carrier with hierarchical pores and Pd metal nanoparticles loaded in the hierarchical pores of the carrier. The Pd metal nanoparticles have a size of 2˜14 nm and a regular polyhedron shape. The nitrogen-doped hierarchical-porous carbon-loaded nano-Pd catalyst has excellent catalytic performance, especially has ultra-high conversion rate, selectivity and cycle stability in the selective hydrogenation reaction of unsaturated ketones, and is a key to open a new synthetic route of vitamin E. 1. A preparation method of a nitrogen-doped hierarchical-porous carbon-loaded nano-Pd catalyst , comprising:1) preparing nitrogen-doped hierarchical-porous carbon;2) mixing the nitrogen-doped hierarchical-porous carbon prepared in step 1) with water, and adjusting a pH value of the mixed solution to be alkaline; and3) mixing the mixed solution prepared in step 2) with a Pd metal precursor aqueous solution, and then adding a reducing agent to obtain the nitrogen-doped hierarchical-porous carbon-loaded nano-Pd catalyst after reduction.2. The preparation method of the nitrogen-doped hierarchical-porous carbon-loaded nano-Pd catalyst according to claim 1 , wherein in step 2):a mass-volume ratio of the nitrogen-doped hierarchical-porous carbon to water is 1:20˜200 g/mL; andthe pH value of the mixed solution is adjusted to 8˜12.3. The preparation ...

Подробнее

Номер записи: 88

09-04-2020 дата публикации

SITE-SPECIFIC ISOTOPIC LABELING OF 1,4-DIENE SYSTEMS

Номер: US20200109103A1

Автор: Shchepinov Mikhail Sergeevich, Vidovic Dragoslav

Принадлежит:

Methods for preparing isotopically modified 1,4-diene systems from non-isotopically modified 1,4-dienes involve selective oxidation of one or more bis-allylic position(s), or the preparation of isotopically modified 1,4-diene systems via trapping pi-allylic complexes with a source of deuterium or tritium. Such methods are useful for preparing isotopically modified polyunsaturated lipid including polyunsaturated fatty acids and polyunsaturated fatty acid derivatives. 2. The compound of claim 1 , wherein Ris C-Calkyl3. The compound of claim 2 , wherein Ris ethyl.4. The compound of claim 1 , wherein two or more Y is deuterium.5. The compound of claim 4 , wherein the compound has an isotopic load that is in a range from about 5% to about 30%.6. The compound of claim 5 , wherein the isotopic load is in a range from about 10% to about 30%.7. The compound of claim 6 , wherein the isotopic load is in a range from about 20% to about 30%8. A composition comprising a compound of .9. The composition of claim 8 , wherein the composition has an isotopic purity in a range of about 5% to about 99%.10. The composition of claim 9 , wherein the composition has an isotopic purity in a range of about 5% to about 50%.12. The compound of claim 11 , wherein Ris C-Calkyl13. The compound of claim 12 , wherein Ris ethyl.14. The compound of claim 11 , wherein two or more Y is deuterium.15. The compound of claim 14 , wherein the compound has an isotopic load that is in a range from about 5% to about 30%.16. The compound of claim 15 , wherein the isotopic load is in a range from about 10% to about 30%.17. The compound of claim 16 , wherein the isotopic load is in a range from about 20% to about 30%18. A composition comprising a compound of .19. The composition of claim 18 , wherein the composition has an isotopic purity in a range of about 5% to about 99%.20. The composition of claim 19 , wherein the composition has an isotopic purity in a range of about 5% to about 50%. This application is a ...

Подробнее

Номер записи: 89

05-05-2016 дата публикации

Methods for alkane dehydrogenation

Номер: US20160122263A1

Автор: Abdullah Al-Qahtani, Faisal BAKSH, Khaja Aliuddin Sharief, Zeeshan H. Nawaz

Принадлежит: Saudi Basic Industries Corp

Disclosed herein are methods for dehydrogenation of alkanes to olefins by co-injecting the alkane feed with hydrogen. The present methods provide the improved feed conversion, desired product selectivity, total olefins in product stream, and lower catalyst deactivation rate.

Подробнее

Номер записи: 90

16-04-2020 дата публикации

CATALYSTS SYSTEMS THAT INCLUDE METAL CO-CATALYSTS FOR THE PRODUCTION OF PROPYLENE

Номер: US20200115298A1

Автор: Alalouni Mohammed R., Hanna Brian, Khokhar Munir D., Shaikh Sohel K., Sulais Noor A.

Принадлежит: Saudi Arabian Oil Company

Embodiments of methods of synthesizing a metathesis catalyst system, which include impregnating tungsten oxide on silica support in the presence of a precursor to produce a base catalyst; calcining the base catalyst; dispersing a solid metal-based co-catalyst onto the surface of the base catalyst to produce a doped catalyst; and calcining the doped catalyst to produce a metathesis catalyst system. Further embodiments of processes for the production of propylene, which include contacting a hydrocarbon feedstock comprising a mixture of 1-butene and 2-butene with embodiments of the metathesis catalyst system to produce, via metathesis conversion, a product stream comprising propylene. 1. A method of synthesizing a metathesis catalyst system comprising:impregnating a metal oxide on silica support in the presence of a precursor to produce a base catalyst;calcining the base catalyst;dispersing a solid metal-based co-catalyst onto the surface of the base catalyst to produce a doped catalyst; andcalcining the doped catalyst to produce a metathesis catalyst system.2. The method of claim 1 , wherein the large pore silica support comprises large pore silica.3. The method of claim 1 , wherein the co-catalyst is selected from the group consisting of PtO claim 1 , PdCl claim 1 , gamma-AlO claim 1 , or combinations.4. The method of claim 1 , wherein the metal oxide is tungsten oxide.5. The method of claim 1 , wherein the metathesis catalyst system comprises at least 0.5 weight percent (wt. %) co-catalyst.6. The method of claim 1 , wherein the metathesis catalyst system comprises from about 1 wt. % to about 2 wt. % co-catalyst.7. The method of claim 1 , wherein the base catalyst comprises from about 8 wt. % to about 12 wt. % of tungsten oxide.8. The method of claim 1 , wherein the precursor comprises ammonium metatungstate hexahydrate.9. The method of claim 1 , wherein the metathesis catalyst system has a surface area of about 400 m/g to about 800 m/g.10. The method of claim 1 , ...

Подробнее

Номер записи: 91

16-04-2020 дата публикации

Catalyst systems that include metal co-catalysts for the production of propylene

Номер: US20200115300A1

Автор: Brian Hanna, Mohammed R. Alalouni, Munir D. Khokhar, Noor A. Sulais, Sohel K. SHAIKH

Принадлежит: Aramco Services Co, Saudi Arabian Oil Co

Embodiments of methods of synthesizing a metathesis catalyst system, which include impregnating tungsten oxide on silica support in the presence of a precursor to produce a base catalyst; calcining the base catalyst; dispersing a solid metal-based co-catalyst onto the surface of the base catalyst to produce a doped catalyst; and calcining the doped catalyst to produce a metathesis catalyst system. Further embodiments of processes for the production of propylene, which include contacting a hydrocarbon feedstock comprising a mixture of 1-butene and 2-butene with embodiments of the metathesis catalyst system to produce, via metathesis conversion, a product stream comprising propylene.

Подробнее

Номер записи: 92

21-05-2015 дата публикации

Method of converting a coal to chemicals

Номер: US20150137043A1

Автор: James A. Johnson, John Q. Chen, Peter K. Coughlin, Stanley J. Frey, Vasant P. Thakkar

Принадлежит: UOP LLC

A method of processing a coal feed to produce aromatic hydrocarbon compounds includes providing a coal tar stream and converting the coal tar stream to a conversion product comprising at least olefins, paraffins, and aromatics. The process further includes separating the olefins and C 5 − paraffins from the conversion product, and contacting the separated olefins and the C 5 − paraffins with a catalyst to dehydrogenize, oligomerize, and cyclize the olefins and the C 5 − paraffins, to form aromatic hydrocarbon compounds.

Подробнее

Номер записи: 93

02-05-2019 дата публикации

SELECTIVE HYDROGENATION CATALYST COMPRISING AN EXTRUDED SUPPORT

Номер: US20190126246A1

Автор: AVENIER Priscilla, BOUALLEG Malika, PETIT-CLAIR Carine

Принадлежит: IFP ENERGIES NOUVELLES

A catalyst comprising palladium, a porous support comprising at least one refractory oxide selected from the group constituted by silica, alumina and silica-alumina, the palladium content in the catalyst being in the range 0.01% to 2% by weight with respect to the total catalyst weight, at least 80% by weight of the palladium being distributed in a crust at the periphery of said support, the thickness of said crust being in the range 20 to 100 μm, characterized in that said support is in the form of an extrudate and in that said support comprises a specific surface area in the range 165 to 250 m/g. 1. A catalyst comprising palladium , a porous support comprising at least one refractory oxide selected from the group constituted by silica , alumina and silica-alumina , the palladium content in the catalyst being in the range 0.01% to 2% by weight with respect to the total catalyst weight , at least 80% by weight of the palladium being distributed in a crust at the periphery of said support , the thickness of said crust being in the range 20 to 100 μm , characterized in that said support is in the form of an extrudate and comprises a specific surface area in the range 165 to 250 m/g.2. The catalyst as claimed in claim 1 , characterized in that said porous support is in the form of an extrudate comprising a length h in the range 2 to 10 mm.3. The catalyst as claimed in claim 1 , characterized in that said porous support comprises a section comprising at least three lobes.4. The catalyst as claimed in claim 3 , in which the number of lobes of the extrudate claim 3 , n claim 3 , is selected from the group constituted by the integer values 3 claim 3 , 4 claim 3 , 5 claim 3 , 6 claim 3 , 7 claim 3 , 8 claim 3 , 9 and 10.5. The catalyst as claimed in claim 3 , in which the number of lobes claim 3 , n claim 3 , is selected from the group constituted by the integer values 3 and 4.6. The catalyst as claimed in claim 1 , characterized in that the extrudate is in the form of a ...

Подробнее

Номер записи: 94

02-05-2019 дата публикации

CATALYST AND PROCESS FOR THE SELECTIVE CONVERSION OF HYDROCARBONS

Номер: US20190126250A1

Автор: Arnold Ellen, Cole Matthew C., Serban Manuela, Zhu Guanghui

Принадлежит:

A catalyst for a selective conversion of hydrocarbons. The catalyst includes a first component selected from the group consisting of Group VIII noble metals and mixtures thereof, a second component selected from the group consisting of alkali metals or alkaline-earth metals and mixtures thereof, and a third component selected from the group consisting of tin, germanium, lead, indium, gallium, thallium and mixtures thereof. The catalyst is a support formed as a spherical catalyst particle with an average pore diameter between 200 to 350 Angstroms, a porosity of at least 75% and an apparent bulk density between 0.60 and 0.3 g/cc. Also, a process of using such a catalyst for a selective hydrocarbon conversion reaction and a process for regenerating such a catalyst by removing coke from same. 1. A catalyst for a selective conversion of hydrocarbons , the catalyst comprising:a first component selected from the group consisting of Group VIII noble metals and mixtures thereof, a second component selected from the group consisting of alkali metals or alkaline-earth metals and mixtures thereof, and a third component selected from the group consisting of tin, germanium, lead, indium, gallium, thallium and mixtures thereof; anda support forming a catalyst particle comprising a plurality of pores, wherein at least 15% of the pores have an average pore diameter between 200 to 350 Angstroms, and wherein the catalyst particle has an apparent bulk density between 0.60 and 0.3 g/cc.2. The catalyst of wherein the apparent bulk density is between 0.60 and 0.5 g/cc.3. The catalyst of wherein the apparent bulk density is between 0.57 to 0.52 g/cc.4. The catalyst of wherein the wherein the apparent bulk density is 0.57 g/cc.5. The catalyst of wherein the at least 15% of the pores having an average pore diameter between 200 to 350 Angstroms have an average pore diameter between 240 to 280 Angstroms.6. The catalyst of wherein the catalyst has mono-modal porous distribution.7. The catalyst ...

Подробнее

Номер записи: 95

02-05-2019 дата публикации

Processes for regenerating a catalyst for the selective conversion of hydrocarbons

Номер: US20190126251A1

Автор: Ellen Arnold, Guanghui Zhu, Manuela Serban, Matthew C. Cole

Принадлежит: UOP LLC

A catalyst for a selective conversion of hydrocarbons. The catalyst includes a first component selected from the group consisting of Group VIII noble metals and mixtures thereof, a second component selected from the group consisting of alkali metals or alkaline-earth metals and mixtures thereof, and a third component selected from the group consisting of tin, germanium, lead, indium, gallium, thallium and mixtures thereof. The catalyst is a support formed as a spherical catalyst particle with an average pore diameter between 200 to 350 Angstroms, a porosity of at least 75% and an apparent bulk density between 0.60 and 0.3 g/cc. Also, a process of using such a catalyst for a selective hydrocarbon conversion reaction and a process for regenerating such a catalyst by removing coke from same.

Подробнее

Номер записи: 96

23-04-2020 дата публикации

METHOD FOR PREPARING DEHYDROGENATION CATALYST FOR LINEAR CHAIN LIGHT HYDROCARBONS WITH HIGH REGENERATION EFFICIENCY

Номер: US20200122125A1

Автор: Choi Hyun A, Han Hyun-Sik, KIM Ho-dong, Yoo Young-san

Принадлежит:

The present invention relates to a catalyst used in a dehydrogenation reaction of a linear hydrocarbon gas in a range of C3 to C4, and provides a dehydrogenation catalyst which is deposited on a carrier obtained by changing the phase of platinum, an auxiliary metal and an alkali metal, wherein the platinum and the auxiliary metal are present as a single complex within a certain thickness from the outer edges of the catalyst in an alloy form. 1. A dehydrogenation catalyst for use in dehydrogenation of straight-chain hydrocarbon gas in a range of C3 to C4 , the dehydrogenation catalyst comprising:platinum, an auxiliary metal, and an alkali metal which are carried in a phase-changed carrier,wherein the platinum and the auxiliary metal form a single complex and are present in an alloy form within a predetermined thickness from an outer periphery of the catalyst.2. The dehydrogenation catalyst of claim 1 , wherein the predetermined thickness is realized by a rapid heat-treatment process and a rapid drying process of the single complex using an organic acid and an inorganic acid.3. The dehydrogenation catalyst of claim 1 , wherein the catalyst is obtained using a process further including a calcination step and a reduction step claim 1 , and the reduction step is realized by a high-temperature rapid reduction process.4. The dehydrogenation catalyst of claim 1 , wherein the predetermined thickness is 300 to 500 μm thick from the outer periphery of the catalyst.5. The dehydrogenation catalyst of claim 2 , wherein the inorganic acid is a hydrochloric acid claim 2 , a nitric acid claim 2 , or a sulfuric acid.6. The dehydrogenation catalyst of claim 2 , wherein the organic acid further includes one among a formic acid claim 2 , an acetic acid claim 2 , a glycolic acid claim 2 , a glyoxylic acid claim 2 , an oxalic acid claim 2 , a propionic acid claim 2 , and a butyric acid claim 2 , or a mixture including two thereof.7. The dehydrogenation catalyst of claim 1 , wherein the ...

Подробнее

Номер записи: 97

02-05-2019 дата публикации

METHODS FOR PRODUCING CYCLIC AND ACYCLIC KETONES

Номер: US20190127292A1

Автор: ARAB George E., Bell Alexis T., Gokhale Amit A., GUNBAS Gorkem, MADHESAN Balakrishnan, SACIA Eric, SREEKUMAR Sanil, TOSTE F. Dean

Принадлежит:

Provided herein are methods for producing cyclic and acyclic ketones from trimerization and dimerization of alkyl ketones, including for example methyl ketones. Such cyclic and acyclic ketones may be suitable for use as fuel and lubricant precursors, and may be hydrodeoxygenated to form their corresponding cycloalkanes and alkanes. Such cycloalkanes and alkanes may be suitable for use as fuels, including jet fuels, and lubricants. 14-. (canceled)8. The method of claim 5 , wherein the catalyst comprises at least one metal and a basic support.9. The method of claim 8 , wherein at least one metal is a transition metal.10. The method of claim 5 , wherein the catalyst has one or more of the following properties:(i) a pKa between 8 to 16;{'sub': 2', '2', '2, '(ii) a COdesorption of at least 50° C., wherein COdesorption is carried out by adsorbing COto the catalyst at room temperature and heating up to 773 K;'}(iii) at least one basic oxygen atom; and(iv) a proton affinity of at least 700 kJ/mol;(v) is solid;(vi) is acidic; and(vii) is amphoteric.11. The method of claim 5 , wherein the catalyst comprises:a metal oxide;a non-metal oxide;a supported alkali metal ion;an ionic liquid supported metal oxide; oran aluminophosphate,or any combinations thereof.12. The method of claim 5 , wherein the catalyst comprises:an apatite;a sepiolite;a chrysotile;a zeolite;a mesoporous silica;a hydrotalcite; ora synthetic talc,or any combinations thereof.13. The method of claim 5 , wherein the catalyst comprises an alkali oxide claim 5 , an alkaline earth oxide claim 5 , a non-metal oxide claim 5 , a transition metal oxide claim 5 , or a rare metal oxide claim 5 , or any combinations thereof.14. The method of claim 5 , wherein the catalyst comprises Mg claim 5 , Ti claim 5 , Sr claim 5 , Ca claim 5 , Si claim 5 , Al claim 5 , La claim 5 , Zr claim 5 , Na claim 5 , K claim 5 , Pd claim 5 , Cu claim 5 , or Pd—Cu alloy claim 5 , or any combinations thereof.15. The method of claim 5 , wherein ...

Подробнее

Номер записи: 98

23-04-2020 дата публикации

SELECTIVE HYDROGENATION METHODS

Номер: US20200123081A1

Автор: Adams Darren, CLINTON Tina, COOPER Denise, DUERR Uwe, HEASLEY Brian, SUN Mingyong, Xu Ling

Принадлежит:

The present disclosure relates to methods for selectively hydrogenating acetylene, to methods for starting up a selective hydrogenation reactor, and to hydrogenation catalysts useful in such methods. In one aspect, the disclosure provides a variety of methods for starting up reactors for use in methods for selectively hydrogenating acetylene using a catalyst composition comprises a porous support, palladium, and one or more ionic liquids. 1. A method of starting up a selective hydrogenation reactor , the reactor housing one or more catalyst beds each containing a catalyst suitable for selectively hydrogenating acetylene in a process gas comprising at least 10 mol. % ethylene , at least 1 ppm acetylene , and at least 5 mol. % hydrogen , the method comprisingproviding each catalyst bed at no more than a first temperature, the catalyst of the catalyst bed being in contact with a first gas, the first gas being non-reactive in the presence of the catalyst at the first temperature;in the presence of the first gas, heating each catalyst bed to at least a second temperature, the second temperature being at least 20 degrees greater than the first temperature, the first gas being non-reactive in the presence of the catalyst at the second temperature; and thenchanging the composition of the gas in contact with the catalyst from the first gas to a flow of the process gas while the catalyst bed is at least at the second temperature; andallowing the process gas to flow through the catalyst bed until a concentration of acetylene at an outlet of the reactor is less than 1 ppm.2. The method of claim 1 , wherein the catalyst of each catalyst bed has not been contacted in the reactor with carbon monoxide in an amount in excess of 100 ppm claim 1 , and wherein the method includes refraining from adding carbon monoxide to the process gas.3. A method of starting up a selective hydrogenation reactor claim 1 , the reactor housing one or more catalyst beds each containing a catalyst ...

Подробнее

Номер записи: 99

23-04-2020 дата публикации

SELECTIVE HYDROGENATION METHODS

Номер: US20200123082A1

Автор: Adams Darren, CLINTON Tina, COOPER Denise, DUERR Uwe, HEASLEY Brian, SUN Mingyong, Xu Ling

Принадлежит:

The present disclosure relates to methods for selectively hydrogenating acetylene, to methods for starting up a selective hydrogenation reactor, and to hydrogenation catalysts useful in such methods. In one aspect, the disclosure provides a method for selectively hydrogenating acetylene, the method comprising contacting a catalyst composition with a process gas. The catalyst composition comprises a porous support, palladium, and one or more ionic liquids. The process gas includes ethylene, present in the process gas in an amount of at least 20 mol. %; acetylene, present in the process gas in an amount of at least 1 ppm; and 0 to 190 ppm or at least 600 ppm carbon monoxide. At least 90% of the acetylene present in the process gas is hydrogenated, and the selective hydrogenation is conducted without thermal runaway. 2. A method according to claim 1 , wherein carbon monoxide is present in the process gas in an amount up to 150 ppm.3. A method according to claim 1 , wherein carbon monoxide is present in the process gas in an amount up to 85 ppm.5. A method according to claim 4 , wherein carbon monoxide is present in the process gas in an amount within the range of 1000 ppm to 20 claim 4 ,000 ppm.6. A method according to claim 1 , wherein the process gas is contacted with the catalyst at a gas hourly space velocity (GHSV) within the range of 2 claim 1 ,000 hto 40 claim 1 ,000 h.7. A method according to claim 1 , wherein the process gas is contacted with the catalyst at a GHSV within the range of 7 claim 1 ,100 hto 40 claim 1 ,000 h.8. A method according to claim 1 , wherein the selective hydrogenation is conducted at a temperature within the range of 20° C. to 140° C.9. A method according to claim 1 , wherein at least 95% of the acetylene present in the process gas is hydrogenated.10. A method according to claim 1 , wherein the amount of ethane in the product of the selective hydrogenation is no more than 0.5 mol. % greater than the amount of ethane in the process gas.11 ...

Подробнее

Номер записи: 100