And Group Viii (iron Group Or Platinum Group) Containing Patents (Class 502/74)
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Publication number: 20110111313Abstract: A method of using a catalyst body able to support gas flow therethrough and having a catalyst for promoting a catalytic reaction of a component of a first gas and being able to be regenerated by a second gas, comprising: providing at least the first gas and the second gas; and repeatedly moving successive parts of the catalyst body into communication with the first gas and then into communication with the second gas; wherein: the part of the catalyst body in communication with the first gas causes the component of the first gas to be reacted as the first gas passes though and exits the part of the catalyst body; and the part of the catalyst body in communication with the second gas has the catalyst of that part regenerated as the second gas passes through and exits the part.Type: ApplicationFiled: January 18, 2011Publication date: May 12, 2011Applicant: FuelCell Energy, Inc.Inventors: SAI P. KATIKANENI, PINAKIN PATEL
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Publication number: 20110105302Abstract: The present invention is directed to a borosilicate ZSM-48 molecular sieve having a mole ratio of between 40 and 400 of silicon oxide to boron oxide, synthesized using novel structure directing agents. Also disclosed are processes using a borosilicate ZSM-48 as a catalyst for the selective hydroconversion of heavy normal paraffins into lighter normal paraffin products, with minimal formation of isoparaffins.Type: ApplicationFiled: November 5, 2009Publication date: May 5, 2011Inventor: Allen W. Burton
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Publication number: 20110105305Abstract: An architecture made of a ceramic or a metallic foam has at least one continuous and/or discontinuous, axial and/or radial porosity gradient ranging from 10 to 90% associated to a pore size range from 2 to 60 ppi, at least one continuous and/or discontinuous, axial and/or radial concentration gradient of catalytic active(s) phase(s) from 0.01 wt % to 100 wt % preferentially from 0.1 wt % to 20 wt %, and a microstructure with a specific area ranging between 0.1 to 30 m2/g, a grain size between 100 nm and 20 microns and a skeleton densification above 95%.Type: ApplicationFiled: June 16, 2009Publication date: May 5, 2011Applicant: L'Air Liquide Societe Anonyme Pour L'Etude Et L'Exploitation Des Procedes Georges ClaudeInventors: Pascal Del-Gallo, Daniel Gary, Thierry Chartier, Mathieu Cornillac, Raphael Faure, Fabrice Rossingnol
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Publication number: 20110105303Abstract: A zeolite structure which has partition walls composed of a zeolite ion-exchanged with a metal ion and forming a plurality of cells extending from one end face of the zeolite structure to its other end face and functioning as a passage of fluid and which has a honeycomb shape, wherein the content per unit zeolite amount of the metal ion in the surface portion of the partition wall is larger than the content per unit zeolite amount of the metal ion in the inner portion of the partition wall and is preferably 1.1 to 5.0 times the content per unit zeolite amount of the metal ion in the inner portion of the partition wall.Type: ApplicationFiled: October 25, 2010Publication date: May 5, 2011Applicant: NGK Insulators, Ltd.Inventors: Akira Takahashi, Shogo Hirose, Eriko Kodama
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Publication number: 20110105304Abstract: Architecture comprising ceramic or metallic foam, characterized in that the foam has a constant axial and radial porosity between 10 to 90% with a pore size between 2 to 60 ppi, and at least one continuous and/or discontinuous, axial and/or radial concentration of catalytic active(s) phase(s) from 0.01 wt % to 100 wt %, preferentially from 0.1 to 20 wt. %, and in that the architecture has a microstructure comprising specific area ranging between 0.1 to 30 m2/g, a grain size between 100 nm and 20 microns and a skeleton densification above 95%.Type: ApplicationFiled: June 15, 2009Publication date: May 5, 2011Applicant: L'Air Liquide Societe Anonyme Pour L'Etude Et L'Ex ploitation Des Procedes Georges ClaudeInventors: Pascal Del-Gallo, Thierry Chartier, Mathieu Cornillac, Raphael Faure, Daniel Gary, Fabrice Rossignol
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Publication number: 20110094380Abstract: A method for producing a crystalline silicoaluminophosphate (SAPO) membrane in which a porous support is contacted with SAPO seed crystals to form a SAPO seeded porous support. The SAPO seeded porous support is filled with an aqueous SAPO synthesis gel including a mixture of sources of aluminum, phosphorus, silicon, oxygen, water, and a templating agent, forming a gel-filled porous structure which is then heated to form a SAPO layer of SAPO crystals on a surface of and/or within pores of the porous support. The SAPO layer is calcined, thereby removing the templating agent and forming a supported porous SAPO membrane layer, which is then subjected to a pore size reduction post-synthesis treatment process, producing a reduced pore size supported porous SAPO membrane layer having an average pore size of less than about 0.38 nm.Type: ApplicationFiled: October 28, 2009Publication date: April 28, 2011Applicant: GAS TECHNOLOGY INSTITUTEInventors: Shiguang Li, Qinbai Fan
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Publication number: 20110092356Abstract: Catalytic structures include a catalytic material disposed within a zeolite material. The catalytic material may be capable of catalyzing a formation of methanol from carbon monoxide and/or carbon dioxide, and the zeolite material may be capable of catalyzing a formation of hydrocarbon molecules from methanol. The catalytic material may include copper and zinc oxide. The zeolite material may include a first plurality of pores substantially defined by a crystal structure of the zeolite material and a second plurality of pores dispersed throughout the zeolite material. Systems for synthesizing hydrocarbon molecules also include catalytic structures. Methods for synthesizing hydrocarbon molecules include contacting hydrogen and at least one of carbon monoxide and carbon dioxide with such catalytic structures.Type: ApplicationFiled: December 16, 2010Publication date: April 21, 2011Applicant: BATTELLE ENERGY ALLIANCE, LLCInventors: Harry W. Rollins, Lucia Petkovic, Daniel M. Ginosar
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Publication number: 20110086755Abstract: A catalyst for hydrocracking of heavy oil which comprises a support comprising crystalline aluminosilicate and a porous inorganic oxide excluding the crystalline aluminosilicate and an active metal supported on the support, wherein (a) the support comprises the crystalline aluminosilicate in an amount of 18% by mass or greater and smaller than 45% by mass and the porous inorganic oxide in an amount exceeding 55% by mass and of 82% by mass or smaller based on a sum of the amount of the crystalline aluminosilicate and the amount of the porous inorganic aluminosilicate, (b) the active metal is at least one metal selected from molybdenum, tungsten and nickel, and (c) the distribution of pores in the catalyst for hydrocracking of heavy oil is such that a volume of pores having a diameter of 500 to 10,000 ? is 10% or smaller and a volume of pores having a diameter of 100 to 200 ? is 60% or greater based on a volume of entire pores having a diameter of 50 to 10,000 ?.Type: ApplicationFiled: March 17, 2009Publication date: April 14, 2011Inventors: Akira Iino, Kazuhiro Inamura
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Publication number: 20110085940Abstract: A honeycomb filter includes a honeycomb structure and a zeolite. The honeycomb structure has cell walls to define cells between the cell walls. The zeolite is supported on the cell walls. An amount of the zeolite is from about 80 g/L to about 150 g/L. The cells include a large volume cell and a small volume cell. A porosity of the cell walls is from about 55% to about 65%. A proportion of a sum of a pore volume A and a pore volume B relative to a total pore volume C is about 20% or less. The pore volume A indicates a pore volume of pores having a pore diameter of one half or less of the average pore diameter. The pore volume B indicates a pore volume of pores having a pore diameter of twice or more the average pore diameter.Type: ApplicationFiled: April 9, 2010Publication date: April 14, 2011Applicant: IBIDEN CO., LTD.Inventors: Kazutake Ogyu, Toyoki Ogasawara
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Patent number: 7923396Abstract: A catalyst comprising at least one metal selected from the group consisting of Group 8 metals, Group 9 metals, Group 10 metals and combinations thereof, an organic compound, and a solid acid and a method of making said catalyst is disclosed. The catalyst can be used in a hydrocarbon conversion process.Type: GrantFiled: June 12, 2004Date of Patent: April 12, 2011Assignee: ConocoPhillips CompanyInventors: Ingrid Boehmer, M. Bruce Welch, Roland Schmidt, Bruce B. Randolph, Helmut G. Alt
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Patent number: 7923399Abstract: A catalyst for converting hydrocarbons includes, based on the weight of the catalyst, 1-60% by weight of a zeolite, 0.1-10% by weight of an assistant catalytic component, 5-98% by weight of a thermotolerant inorganic oxide, and 0-70% by weight of a clay in terms of the oxide. The zeolite is a MFI-structured zeolite-containing phosphor and transition metal(s) or a mixture of the zeolite and a macroporous zeolite, which comprises, based on the weight of the mixture, 75-100% by weight of said MFI-structured zeolite containing phosphor and transition metal(s) and 0-25% by weight of the macroporous zeolite. In terms of the mass of the oxide, the MFI-structured zeolite containing phosphor and transition metal(s) has the following anhydrous chemical formula: (0-0.3)Na2O.(0.3-5.5)Al2O3.(1.0-10)P2O5.(0.7-15)M1xOy.(0.01-5)M2mOn(0-10)RE2O3.(70-97)SiO2??I or (0-0.3)Na2O.(0.3-5)Al2O3.(1.0-10)P2O5.(0.7-15)MpOq.(0-10)RE2O3.Type: GrantFiled: March 31, 2005Date of Patent: April 12, 2011Assignees: China Petroleum & Chemical Corporation, Research Institute of Petroleum Processing SinopecInventors: Jun Long, Zhijian Da, Huiping Tian, Zhenyu Chen, Weilin Zhang, Xingtian Shu, Jiushun Zhang, Yuxia Zhu, Yujian Liu
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Patent number: 7923398Abstract: A preparation process is described for a porous composite material formed from an amorphous core based on at least one silicon oxide on which crystals of EU-1 zeolite are dispersed, said process comprising 1) the impregnation of a solid comprising a silicon oxide and an aluminum oxide with an aqueous solution comprising a hexamethonium cation, 2) the hydrothermal treatment, implemented in an autoclave of volume V (ml) under steam and at a temperature T comprised between 120 and 220° C., of said solid from stage 1), the quantity of water introduced beforehand into said autoclave being strictly greater than a volumetric quantity equal to V*[23.48*10?10*T3?48*10?8*T2+5*10?5*T?0.002] and less than or equal to 0.25*V, and is such that said solid is not in direct contact with it, 3) the drying then calcination of the solid from stage 2). The preparation a catalyst from said material for its use in the isomerization of C8 aromatics is also described.Type: GrantFiled: September 3, 2008Date of Patent: April 12, 2011Assignee: IFP Energies NouvellesInventors: Joël Patarin, Emmanuelle Guillon, Loic Rouleau, Simone Goergen
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Novel process and catalyst system for improving dewaxing catalyst stability and lubricant oil yield.
Publication number: 20110079540Abstract: The invention provides for a process for dewaxing a waxy hydrocarbon feedstock to form a lubricant oil. The invention is also directed to a catalyst system comprising a hydrotreating catalyst upstream of a dewaxing catalyst, used in the dewaxing of a waxy hydrocarbon feedstock to form a lubricant oil. In particular, the invention is directed to a process and catalyst system designed to maintain yield of lubricant oil product. Specifically, the yield of lubricant oil does not decrease more than 2%, at a target pour point, over a dewaxing temperature range. The hydrotreating catalyst helps prevent aging of the dewaxing catalyst and maintains lubricant oil product yield at a target pour point over a wide temperature range. The hydrotreating catalyst comprises platinum, palladium, or combinations thereof on a low acidity inorganic oxide support where acidity is measured by a decalin conversion of less than 10% at 700° F.Type: ApplicationFiled: October 6, 2009Publication date: April 7, 2011Inventors: Kamala R. Krishna, James N. Ziemer, Andrew Rainis, Joseph A. Biscardi, Thomas V. Harris -
Patent number: 7918991Abstract: Compositions for reduction of NOx generated during a catalytic cracking process, preferably, a fluid catalytic cracking process, are disclosed. The compositions comprise a fluid catalytic cracking catalyst composition, preferably containing a Y-type zeolite, and a NOx reducing zeolite having a pore size ranging from about 2 to about 7.2 Angstroms and a SiO2 to Al2O3 molar ratio of less than about 500 and being stabilized with a metal or metal ion selected from the group consisting of zinc, iron and mixtures thereof. Preferably, the NOx reducing zeolite particles are bound with an inorganic binder to form a particulate composition. In the alternative, the NOx reducing zeolite particles are incorporated into the cracking catalyst as an integral component of the catalyst.Type: GrantFiled: March 24, 2006Date of Patent: April 5, 2011Assignee: W. R. Grace & Co.-Conn.Inventors: Michael Scott Ziebarth, M. Sundaram Krishnamoorthy, Roger Jean Lussier
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Publication number: 20110077441Abstract: A catalyst for the conversion of methane to higher hydrocarbons including aromatic hydrocarbons comprises particles of a porous refractory material, crystals of a zeolite material grown within the pores of the refractory material, and at least one catalytically active metal or metal compound associated with the zeolite crystals.Type: ApplicationFiled: September 22, 2010Publication date: March 31, 2011Inventor: Larry L. Iaccino
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Publication number: 20110077438Abstract: This disclosure relates to a process for manufacturing a mono-cycloalkyl-substituted aromatic compound, said process comprising contacting a feedstock comprising an aromatic compound and hydrogen under hydroalkylation reaction conditions with a catalyst system comprising a molecular sieve, wherein said molecular sieve comprises a framework of tetrahedral atoms bridged by oxygen atoms, the tetrahedral atom framework being defined by a unit cell with atomic coordinates in nanometers shown in Table 2.Type: ApplicationFiled: July 15, 2009Publication date: March 31, 2011Inventors: Wieslaw J. Roth, Terry E. Helton, Jane C. Cheng, Michael J. Brennan
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Publication number: 20110071264Abstract: The invention covers a process for obtaining an alkaline earth or rare earth metal-P-modified molecular sieve (M-P-modified molecular sieve) comprising the following steps: a). selecting at least one molecular sieve selected from one of: a P-modified molecular sieve which contains at least 0.3 wt % of P obtained by dealuminating a molecular sieve in a steaming step, followed by a leaching step using an acid solution containing a source of P a molecular sieve which is modified with P during step b) by dealuminating the molecular sieve in a steaming step, followed by a leaching step using an acid solution containing a source of P thereby introducing at least 0.3 wt % of P b). contacting said molecular sieve with an alkaline earth or rare earth metal-containing compound (M-containing compound) to introduce at least 0.05 wt % of the alkaline earth or rare earth metal to the molecular sieve. The invention also covers a catalyst composite comprising: a).Type: ApplicationFiled: January 23, 2009Publication date: March 24, 2011Applicant: TOTAL PETROCHEMICALS RESEARCH FELUYInventors: Nikolai Nesterenko, Walter Vermeiren, Sander Van Donk, Delphine Minoux
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Publication number: 20110071329Abstract: This disclosure relates to a process for manufacturing a mono-cycloalkyl-substituted aromatic compound, said process comprising contacting a feedstock comprising an aromatic compound and hydrogen under hydroalkylation reaction conditions with a catalyst system comprising a molecular sieve and at least one metal with hydrogenation activity, wherein said molecular sieve has, in its as-synthesized form and in calcined form, an X-ray diffraction pattern including peaks having a d-spacing maximum in the range of 14.17 to 12.57 Angstroms, a d-spacing maximum in the range of 12.1 to 12.56 Angstroms.Type: ApplicationFiled: July 15, 2009Publication date: March 24, 2011Inventors: Wieslaw J. Roth, Terry E. Helton, Jane C. Cheng, Michael J. Brennan
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Patent number: 7910511Abstract: The invention relates to a method of preparing metallic nanoparticles and to the materials thus obtained. More specifically, the invention relates to a method of preparing metallic nanoparticles consisting in: selecting a precursor from the salts, hydroxides and oxides of metallic elements that can be reduced at temperatures below the clay silicate network destruction temperature; and depositing said precursor on a support selected from pseudolaminar phyllosilicate clays. According to the invention the method comprises: (i) a deposition step in which the precursor is deposited on the support: (ii) when the precursor is selected from among salts and hydroxides, a thermal decomposition step in a controlled atmosphere, in which the precursor is subjected to a decomposition process and is transformed into an oxide of the metallic element: and (iii) a reduction step in which the oxide of the metallic element is subjected to a reduction process in a controlled atmosphere.Type: GrantFiled: June 17, 2010Date of Patent: March 22, 2011Assignee: Tolsa, S.A.Inventors: Julio Santarén Romé, Francisco Javier Limpo Orozco, Eduardo Aguilar Díez, Antonio Álvarez Berenguer, José Moya Corral, Carlos Pecharroman Garcia
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Patent number: 7910773Abstract: A method for adsorbing volatile organic compounds (VOCs) derived from organic matter comprises adsorbing the VOCs onto palladium doped ZSM-5, optionally at ambient temperature. The organic matter can be perishable organic goods such as food, including fruit and/or vegetables, horticultural produce, including plants and/or cut flowers, or refuse. The palladium doped ZSM-5 has a Si:Al ratio of less than or equal to 100:1 and preferably has a palladium content of from 0.1 wt % to 10.0 wt % based on the total weight of the doped ZSM-5.Type: GrantFiled: October 26, 2006Date of Patent: March 22, 2011Assignee: Johnson Matthey Public Limited CompanyInventors: Thomas Ilkenhans, Stephen Poulston, Andrew William John Smith
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Patent number: 7910518Abstract: A geometrically shaped solid carrier is provided that improves the performance and effectiveness of an olefin epoxidation catalyst for epoxidizing an olefin to an olefin oxide. In particular, improved performance and effectiveness of an olefin epoxidation catalyst is achieved by utilizing a geometrically shaped refractory solid carrier in which at least one wall thickness of said carrier is less than 2.5 mm.Type: GrantFiled: March 10, 2008Date of Patent: March 22, 2011Assignee: SD Lizenzverwertungsgesellschaft mbH & Co. KGInventors: Serguei Pak, Andrzej Rokicki, Howard Sachs
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Publication number: 20110064633Abstract: According to one aspect of the present invention, there is provided a multi-functional catalyst block for reducing waste materials in the exhaust from a combustion engine. In one embodiment, the multi-functional catalyst block includes a substrate, a urea-hydrolyzing catalyst supported on the substrate, and a selective catalytic reduction (SCR) catalyst supported on the substrate. In another embodiment, the substrate is a wall-flow monolith configured as a particulate filter. In yet another embodiment, the substrate is a flow-through monolith.Type: ApplicationFiled: September 14, 2009Publication date: March 17, 2011Applicant: FORD GLOBAL TECHNOLOGIES, LLCInventors: Yinyan Huang, Christine Kay Lambert
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Patent number: 7906449Abstract: The present invention is a selective catalytic reduction type catalyst for purifying nitrogen oxides in exhaust gas exhausted from lean combustion engines using ammonia or urea as a reducing agent, it is provided with a selective catalytic reduction type catalyst The catalyst comprises a lower-layer catalyst layer (A) having an oxidative function for nitrogen monoxide (NO) in exhaust gas and an upper-layer catalyst layer (B) having an adsorbing function for ammonia on the surface of a monolithic structure type carrier (C), and that the lower-layer catalyst layer (A) comprises a noble metal component (i), an inorganic base material constituent (ii) and zeolite (iii), and the upper-layer catalyst layer (B) comprises substantially none of component (i) but the component (iii).Type: GrantFiled: May 5, 2008Date of Patent: March 15, 2011Assignee: N.E. Chemcat CorporationInventors: Ryuji Ando, Takashi Hihara, Yasuharu Kanno, Makoto Nagata
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Patent number: 7906091Abstract: A method and device for removal of N2O in nitric acid production are disclosed. The device is arranged after a heat exchanger, post ammonia burning, before the absorption tower and contains a catalyst, which essentially comprises one or several iron loaded zeolites.Type: GrantFiled: January 9, 2001Date of Patent: March 15, 2011Assignee: Uhde GmbHInventors: Meinhard Schwefer, Rainer Maurer, Thomas Turek
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Patent number: 7902104Abstract: This invention relates to a solid divided composition comprising grains whose mean size is greater than 25 ?m and less than 2.5 mm, wherein each grain is provided with a solid porous core and a homogeneous continuous metal layer consisting of at least one type of transition non-oxidised metal and extending along a gangue coating the core in such a way that pores are inaccessible. A method for the production of said composition and for the use thereof in the form of a solid catalyst is also disclosed.Type: GrantFiled: June 21, 2005Date of Patent: March 8, 2011Assignees: Arkema France, Institut National Polytechnique de ToulouseInventors: Philippe Kalck, Philippe Serp, Massimiliano Corrias
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Patent number: 7902107Abstract: Provided is an emission treatment system and method for simultaneously remediating the nitrogen oxides (NOx), particulate matter, and gaseous hydrocarbons present in diesel engine exhaust streams. The emission treatment system has an oxidation catalyst upstream of a soot filter coated with a material effective in the Selective Catalytic Reduction (SCR) of NOx by a reductant, e.g., ammonia. Also provided is a method for disposing an SCR catalyst composition on a wall flow monolith that provides adequate catalyst loading, but does not result in unsuitable back pressures in the exhaust.Type: GrantFiled: February 8, 2008Date of Patent: March 8, 2011Assignee: BASF CorporationInventors: Joseph A. Patchett, Joseph C. Dettling, Elizabeth A. Przybylski
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Publication number: 20110047995Abstract: A catalyst system comprising a first catalytic composition comprising, (i) a first component comprising a zeolite, and (ii) a second component comprising a homogeneous solid mixture containing at least one catalytic metal and at least one metal inorganic network; wherein the pores of the solid mixture have an average diameter in a range of about 1 nanometer to about 15 nanometers; wherein the first component and the second component form an intimate mixture. The catalyst system may further comprise a second catalytic composition and a third catalytic composition. The catalyst system may further comprise a delivery system configured to deliver a reductant and optionally a co-reductant. An exhaust system comprising the catalyst systems described herein is also provided.Type: ApplicationFiled: August 31, 2009Publication date: March 3, 2011Applicant: GENERAL ELECTRIC COMPANYInventors: Larry Neil Lewis, Donald Wayne Whisenhunt, Jr., Dan Hancu, Ashish Balkrishna Mhadeshwar, Benjamin Hale Winkler, Daniel George Norton, Oltea Puica Siclovan
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Publication number: 20110042267Abstract: A hydroisomerization catalyst of the present invention is obtained by calcining a catalyst composition containing an ion-exchanged molecular sieve or a calcined product thereof, and at least one metal selected from the group consisting of metals of Groups 8 to 10 in Periodic Table of the elements, molybdenum and tungsten, carried on the ion-exchanged molecular sieve or the calcined product thereof, wherein the ion-exchanged molecular sieve is obtained by ion-exchanging a molecular sieve, which includes nanocrystals having a pore structure of ten-membered rings or eight-membered rings and having a ratio of the pore volume to the external surface area ([pore volume]/[external surface area]) of 2.0×10?4 mL/m2 to 8.0×10?4 mL/m2 and contains an organic template, in a solution containing a cationic species.Type: ApplicationFiled: February 4, 2009Publication date: February 24, 2011Applicant: JX NIPPON OIL & ENERGY CORPORATIONInventor: Kazuaki Hayasaka
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Publication number: 20110039689Abstract: The present invention relates to a shaped catalyst body comprising a core and a first catalytically active layer arranged on sections of the core, characterized in that the total density of the core is greater than the total density of the catalytically active layer. The invention further relates to the use of said shaped catalyst body as an oxidation catalyst in the cleaning of exhaust gases or for reducing and decomposing nitrogen oxides and nitrous oxide.Type: ApplicationFiled: April 21, 2008Publication date: February 17, 2011Inventors: Arno Tissler, Hans-Christoph Schwarzer, Roderik Althoff
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Publication number: 20110034320Abstract: This invention relates to a new family of crystalline microporous zeolite designated the UZM-29 family. These zeolites are represented by the empirical formula: Mmn+R+rAl1-xExSiyOz UZM-29 has the PHI structure type topology but is thermally stable up to a temperature of at least 350° C. The UZM-29 family of zeolite can be used in various hydrocarbon conversion processes such as, isomerization of butane.Type: ApplicationFiled: August 4, 2009Publication date: February 10, 2011Applicant: UOP LLCInventors: Susan C. Koster, Jaime G. Moscoso
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Publication number: 20110028307Abstract: A catalyst for producing a liquefied petroleum gas according to the present invention comprises a Pd- and/or Pt-based catalyst component and a USY-type zeolite. By using the catalyst, a hydrocarbon containing propane or butane as a main component, i.e. a liquefied petroleum gas, can be produced with high activity, high selectivity and high yield from at least one of methanol and dimethyl ether.Type: ApplicationFiled: October 12, 2010Publication date: February 3, 2011Applicant: JAPAN GAS SYNTHESIZE, LTD.Inventors: Kaoru FUJIMOTO, Kenji ASAMI, Xiaohong LI, Qianwen ZHANG
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Publication number: 20110020204Abstract: Disclosed are zeolite catalysts having the CHA crystal structure with a low silica to alumina ratio, as well as articles and systems incorporating the catalysts and methods for their preparation and use. The catalysts can be used to reduce NOx from exhaust gas streams, particularly those emanating from gasoline or diesel engines.Type: ApplicationFiled: November 4, 2009Publication date: January 27, 2011Applicant: BASF Catalysts LLCInventors: Ivor Bull, Ahmad Moini, Mukta Rai
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Publication number: 20110015057Abstract: The present invention provides modified molecular sieve membranes with improved CO2/CH4 separation selectivity and methods for making such membranes. The molecular sieve membranes are modified by adsorption of a modifying agent, such as ammonia, within and/or on the membrane.Type: ApplicationFiled: September 30, 2010Publication date: January 20, 2011Applicant: The Regents of the University of Colorado, a body corporateInventors: Shiguang LI, Sara A. ARVIDSON, John L. FALCONER, Richard D. NOBLE
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Publication number: 20110011068Abstract: An emission treatment system for a vehicle having an internal combustion engine is disclosed. The emission treatment system has an HC-SCR catalyst including a non-Pt group metal dispersed in a ceramic matrix configured to receive an exhaust gas flow from an engine. The system also has an oxidation catalyst comprising a Pt group metal configured to receive the exhaust gas flow from the HC-SCR catalyst. The system also has a U-SCR catalyst and a diesel particulate filter, one of the U-SCR catalyst or the DPF configured to receive the exhaust gas flow from the oxidation catalyst and the other one of the U-SCR catalyst or the diesel particulate filter configured to receive the exhaust gas flow from the respective one.Type: ApplicationFiled: July 14, 2009Publication date: January 20, 2011Applicant: GM GLOBAL TECHNOLOGY OPERATIONS, INC.Inventors: Shouxian Ren, Michael Christopher Luckham, David B. Brown
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Publication number: 20100331171Abstract: A process and catalyst for use in the selective hydrogenation of acetylene to ethylene is presented. The catalyst comprises a layered structure, wherein the catalyst has an inner core and an outer layer of active material. The catalyst further includes a metal deposited on the outer layer, and the catalyst is formed such that the catalyst has an accessibility index between 3 and 500.Type: ApplicationFiled: June 29, 2009Publication date: December 30, 2010Inventors: Gregory J. Gajda, Bryan K. Glover, Antoine Negiz, Mark G. Riley, John J. Senetar, Erik M. Holmgreen
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Publication number: 20100319332Abstract: To equip a diesel particle filter with a zeolite-containing coating uniformly over the entire length of the particle filter and with a further zeolite-free coating which is applied, from the entry side of the filter, solely up to a specific length of the filter, it is proposed, first, to apply the zeolite-free coating from the entry side of the filter and only thereafter to apply the zeolite-containing coating over the entire length of the filter from the exit side of the filter. As a result of this sequence of coatings, a better adhesive strength of the coatings than when both coatings are applied from the entry side is ensured.Type: ApplicationFiled: February 17, 2009Publication date: December 23, 2010Inventors: Gerald Jeske, Marcus Pfeifer, Wolfgang Schneider, Franz Dornhaus, Ralf Mueller, Michael Schiffer
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Publication number: 20100317901Abstract: A catalyst composition can include: a support; a ruthenium catalyst (Ru) nanoparticle; and a linker linking the Ru nanoparticle to the support, wherein the linker is stable under hydrogenolysis conditions. In one aspect, the linker can include 3-aminopropyl trimethoxysilane (APTS) or derivatives thereof, such as those with amine functionality. In another aspect, the linker can include phosphotungstic acid (PTA) or other similar solid acid agents. In another aspect, the support can be selected from alumina, carbon, silica, a zeolite, TiO2, ZrO2, or another suitable material. A specific example of a support includes zeolite, such as a NaY zeolite. The Ru nanoparticle can have a size range from about 1 nm to about 25 nm, and can be obtained by reduction of Ru salts.Type: ApplicationFiled: June 9, 2010Publication date: December 16, 2010Inventors: Raghunath V. Chaudhari, Debdut S. Roy, Bala Subramaniam
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Publication number: 20100311570Abstract: A method of producing a Fischer-Tropsch catalyst by preparing a nitrate solution, wherein preparing comprises forming at least one metal slurry and combining the at least one metal slurry with a nitric acid solution; combining the nitrate solution with a basic solution to form a precipitate; promoting the precipitate to form a promoted mixture, wherein promoting comprises combining the precipitate with (a) silicic acid and one or more selected from the group consisting of non-crystalline silicas, crystalline silicas, and sources of kaolin or (b) at least one selected from non-crystalline silicas and sources of kaolin, in the absence of silicic acid; and spray drying the promoted mixture to produce catalyst having a desired particle size. Catalyst produced by the disclosed method is also described.Type: ApplicationFiled: May 28, 2010Publication date: December 9, 2010Applicant: RENTECH, INC.Inventors: Dawid J. Duvenhage, Belma Demirel
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Patent number: 7838456Abstract: A catalyst is described which comprises at least one modified EU-1 zeolite containing silicon atoms and aluminum atoms, at least one matrix and at least one metal from group VIII of the periodic table of the elements, the modified zeolite having a number of hexacoordinated aluminum atoms representing more than 20% by weight of the total number of aluminum atoms present in said modified EU-1 zeolite. Said catalyst is used in a process for the isomerization of an aromatic feed comprising at least one compound containing eight carbon atoms per molecule.Type: GrantFiled: April 22, 2008Date of Patent: November 23, 2010Assignee: IFP Energies NouvellesInventors: Emmanuelle Guillon, Erie Sanchez
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Publication number: 20100290964Abstract: There is described Pd enriched diesel oxidation catalysts and their application as catalysts for the oxidation of CO and HC emissions from a compression ignition/diesel engine. The catalysts are characterised by increased performance and hydrothermal durability these goals being achieved by employing a layered design to eliminate low temperature catalyst quenching by toxic HC species in the exhaust stream.Type: ApplicationFiled: May 18, 2009Publication date: November 18, 2010Inventors: Barry W. L. Southward, John G. Nunan
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Publication number: 20100285948Abstract: A process for the pre-treatment of Mo/ZSM-5 and Mo/MCM-22 catalysts is provided, which process comprises heating the catalyst at 500° C. in the presence of propane. The treated catalyst, when used in the non-oxidative dehydrogenation of methane demonstrates improved benzene yield and catalyst stability as compared to catalysts pre-treated with He, methane or H2.Type: ApplicationFiled: January 16, 2008Publication date: November 11, 2010Applicants: AGENCY FOR SCIENCE, TECHNOLOGY AND RESEARCH, MITSUI CHEMICALS INC.Inventors: Yan Liu, Toru Nishimura
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Patent number: 7829493Abstract: The invention relates to a method of preparing metallic nanoparticles and to the materials thus obtained. More specifically, the invention relates to a method of preparing metallic nanoparticles consisting in: selecting a precursor from the salts, hydroxides and oxides of metallic elements that can be reduced at temperatures below the clay silicate network destruction temperature; and depositing said precursor on a support selected from pseudolaminar phyllosilicate clays. According to the invention the method comprises: (i) a deposition step in which the precursor is deposited on the support: (ii) when the precursor is selected from among salts and hydroxides, a thermal decomposition step in a controlled atmosphere, in which the precursor is subjected to a decomposition process and is transformed into an oxide of the metallic element: and (iii) a reduction step in which the oxide of the metallic element is subjected to a reduction process in a controlled atmosphere.Type: GrantFiled: April 12, 2006Date of Patent: November 9, 2010Assignee: Tolsa, S.A.Inventors: Julio Santarén Romé, Francisco Javier Limpo Orozco, Eduardo Aguilar Díez, Antonio Álvarez Berenguer, José Moya Corral, Carlos Pecharroman Garcia
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Patent number: 7824656Abstract: The present invention relates to catalysts for the production of hydrogen using the water gas shift reaction and the carbon dioxide reforming of hydrocarbon-containing fuels. The catalysts nickel and/or copper on a ceria/zirconia support, where the support is prepared using a surfactant templating method. The invention also includes processes for producing hydrogen, reactors and hydrogen production systems utilizing these catalysts.Type: GrantFiled: March 14, 2006Date of Patent: November 2, 2010Assignee: University of ReginaInventors: Raphael Oyom Idem, Prashant Kumar, Yanping Sun
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Patent number: 7820588Abstract: The invention relates to a catalyst for the oxidation of carbon monoxide (CO) at low temperatures, which is a catalytically active composition based on platinum and cobalt. The catalyst can be used in the removal of CO from hydrogen-rich gas for fuel cell technology in order to avoid poisoning the electrodes with CO. Further fields of application relate to the automobile sector, and in particular, to the effective removal of CO during cold starting of a diesel or petrol engine and also to air purification systems for quality control of air in interior spaces, e.g., the removal of CO in a tunnel, an underground railway, multi-story car parks or submarines.Type: GrantFiled: December 1, 2006Date of Patent: October 26, 2010Assignees: Ford Global Technologies, LLC, Fraunhofer-GesellschaftInventors: Albert Chigapov, Brendan Carberry, Alexander Susdorf
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Patent number: 7815792Abstract: A process and catalyst for the selective hydrodesulfurization of a naphtha containing olefins. The process produces a naphtha stream having a reduced concentration of sulfur while maintaining the maximum concentration of olefins.Type: GrantFiled: October 26, 2009Date of Patent: October 19, 2010Assignee: UOP LLCInventors: Lorenz J. Bauer, Suheil F. Abdo, Laura E. Leonard, Peter Kokayeff
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Publication number: 20100257843Abstract: An oxidation catalyst composite, methods and systems for the treatment of exhaust gas emissions from an advanced combustion engine, such as the oxidation of unburned hydrocarbons (HC), and carbon monoxide (CO) and the reduction of nitrogen oxides (NOx) from a diesel engine and an advanced combustion diesel engine are disclosed. More particularly, washcoat compositions are disclosed comprising at least two washcoat layers, a first washcoat comprising a palladium component and a second washcoat containing platinum and at least about 50% of the total platinum is located in the rear of the catalyst.Type: ApplicationFiled: April 6, 2010Publication date: October 14, 2010Applicant: BASF Catalysts LLCInventors: Jeffrey B. Hoke, Joseph C. Dettling
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Publication number: 20100261005Abstract: The invention relates to a method of preparing metallic nanoparticles and to the materials thus obtained. More specifically, the invention relates to a method of preparing metallic nanoparticles consisting in: selecting a precursor from the salts, hydroxides and oxides of metallic elements that can be reduced at temperatures below the clay silicate network destruction temperature; and depositing said precursor on a support selected from pseudolaminar phyllosilicate clays. According to the invention the method comprises: (i) a deposition step in which the precursor is deposited on the support: (ii) when the precursor is selected from among salts and hydroxides, a thermal decomposition step in a controlled atmosphere, in which the precursor is subjected to a decomposition process and is transformed into an oxide of the metallic element: and (iii) a reduction step in which the oxide of the metallic element is subjected to a reduction process in a controlled atmosphere.Type: ApplicationFiled: June 17, 2010Publication date: October 14, 2010Inventors: Julio Santarén Romé, Francisco Javier Limpo Orozco, Eduardo Aguilar Díez, Antonio Álvarez Berenguer, José Moya Corral, Carlos Pecharroman Garcia
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Publication number: 20100248945Abstract: The invention relates to a process for preparing bulk metal oxide particles comprising the steps of combining in a reaction mixture (i) dispersible nanoparticles having a dimension of less than about 1 ?m upon being dispersed in a liquid, (ii) at least one Group VIII non-noble metal compound, (iii) at least one Group VIB metal compound, and (iv) a protic liquid; and reacting the at least one Group VIII non-noble metal compound and the at least one Group VIB metal in the presence of the nanoparticles. It also relates to bulk metal hydroprocessing catalysts obtainable by such method.Type: ApplicationFiled: December 4, 2008Publication date: September 30, 2010Applicant: ALBEMARLE NETHERLANDS B.V.Inventors: Sona Eijsbouts-Spickova, Robertus Gerardus Leliveld, Paul Joseph Maria Lebens, Frans Lodewijk Plantenga, Bob Gerardus Oogjen, Henk Jan Tromp, Stuart Leon Soled, Sabato Miseo
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Publication number: 20100249479Abstract: A catalyst composition which comprises: a) a carrier which comprises at least 30 wt % of a binder selected from silica, zirconia and titania; at least 20 wt % of a pentasil zeolite, having a bulk silica to alumina ratio in the range of from 20 to 150 and being in its H+ form; and less than 10 wt % of other components, all percentages being on the basis of total carrier; b) platinum in an amount in the range of from 0.001 to 0.1 wt %, on the basis of total catalyst; and c) tin in an amount in the range of from 0.01 to 0.5 wt %, on the basis of total catalyst; its preparation and use; are provided.Type: ApplicationFiled: July 28, 2008Publication date: September 30, 2010Inventors: Johanna Jacoba Berg-Slot, László Domokos, Ingrid Maria Van Vegghel
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Publication number: 20100240522Abstract: The catalyst exhibiting hydrogen spillover effect relates to the composition of a catalyst exhibiting hydrogen spillover effect and to a process for preparing the catalyst. The catalyst has a reduced transition base metal of Group VIB or Group VIIIB, such as cobalt, nickel, molybdenum or tungsten, supported on a high porous carrier, such as saponite, the base metal being ion-exchanged with at least one precious metal of Group VIIIB. The process includes the steps of loading the base metal onto the support, reducing the base metal, preferably with H2 at 600° C., and thereafter ion-exchanging the precious metal with the base metal. Preferred examples of the catalyst include a saponite support loaded with about 10-20 wt % cobalt and about 0.1-1 wt % precious metal. The catalyst is optimized for reactions that occur in commercial processes at about 360-400° C., such as in hydrocracking.Type: ApplicationFiled: March 23, 2009Publication date: September 23, 2010Inventors: Tomoyuki Inui, Masayuki Inui, Takuma Kimura, Mohammad Abdullah Al-Saleh, Halim Hamid Redhwi, Mohammad Ashraf Ali, Shakeel Ahmed