And Group Iii Or Rare Earth Metal (al, Ga, In, Tl, Sc, Y) Or Lanthanide Containing Patents (Class 502/73)
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Patent number: 8815190Abstract: A wall-flow filter comprises a catalyst for converting oxides of nitrogen in the presence of a reducing agent, which wall-flow filter comprising an extruded solid body comprising: 10-95% by weight of at least one binder/matrix component; 5-90% by weight of a zeolitic molecular sieve, a non-zeolitic molecular sieve or a mixture of any two or more thereof; and 0-80% by weight optionally stabilized ceria, which catalyst comprising at least one metal, wherein: the at least one metal is present throughout the extruded solid body alone or in combination with: is also present in a higher concentration at a surface of the extruded solid body; is also carried in one or more coating layer(s) on a surface of the extruded solid body; or both.Type: GrantFiled: November 12, 2013Date of Patent: August 26, 2014Assignee: Johnson Matthey Public Limited CompanyInventors: Ralf Dotzel, Rainer Leppelt, Jörg Werner Münch, Hubert Schedel
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Publication number: 20140234190Abstract: A method to produce a NOx trap composition, and its use in a NOx trap and in an exhaust system for internal combustion engines, is disclosed. The NOx trap composition is produced by heating an iron-containing zeolite in the presence of an inert gas and an organic compound to produce a reductively calcined iron/zeolite. A palladium compound is then added to the reductively calcined iron/zeolite, and the resulting Pd—Fe/zeolite is then calcined at 400 to 600° C. in the presence of an oxygen-containing gas to produce the NOx trap composition. The NOx trap composition shows low temperature NO capacity below 200° C., as well as an additional NO storage temperature window in the 200 to 250° C. range.Type: ApplicationFiled: February 18, 2014Publication date: August 21, 2014Applicant: JOHNSON MATTHEY PUBLIC LIMITED COMPANYInventor: FIONA-MAIREAD McKENNA
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Publication number: 20140228204Abstract: A catalyst composition useful for producing olefins and aromatic compounds from a feedstock is formed from a fluidized catalytic cracking (FCC) catalyst and a ZSM-5 zeolite catalyst, wherein the amount of ZSM-5 zeolite catalyst makes up from 10 wt. % or more by total weight of the FCC catalyst and the ZSM-5 zeolite catalyst. The catalyst composition may be used in a method of producing olefins and aromatic compounds from a feedstock by introducing a hydrocarbon feedstock and the catalyst composition within a reactor, at least a portion of the reactor being at a reactor temperature of 550° C. or higher. The feedstock and catalyst composition are introduced into the reactor at a catalyst-to-feed (C/F) ratio of from 6 or greater.Type: ApplicationFiled: February 12, 2013Publication date: August 14, 2014Applicant: SAUDI BASIC INDUSTRIES CORPORATIONInventors: Ravichander Narayanaswamy, Krishna Kumar Ramamurthy, P. S. Sreenivasan
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Patent number: 8802582Abstract: A catalyst and a method for selectively reducing nitrogen oxides (“NOx”) with ammonia are provided. The catalyst includes a first component comprising a zeolite or mixture of zeolites selected from the group consisting of ZSM-5, ZSM-11, ZSM-12, ZSM-18, ZSM-23, MCM-zeolites, mordenite, faujasite, ferrierite, zeolite beta, and mixtures thereof; a second component comprising at least one member selected from the group consisting of cerium, iron, copper, gallium, manganese, chromium, cobalt, molybdenum, tin, rhenium, tantalum, osmium, barium, boron, calcium, strontium, potassium, vanadium, nickel, tungsten, an actinide, mixtures of actinides, a lanthanide, mixtures of lanthanides, and mixtures thereof; optionally an oxygen storage material and optionally an inorganic oxide. The catalyst selectively reduces nitrogen oxides to nitrogen with ammonia at high temperatures. The catalyst has high hydrothermal stability. The catalyst has high activity for conversion of low levels of nitrogen oxides in exhaust streams.Type: GrantFiled: March 29, 2007Date of Patent: August 12, 2014Assignee: Catalytic Solutions, Inc.Inventors: Rajashekharam Malyala, Svetlana Iretskaya, Stephen J. Golden
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Publication number: 20140219878Abstract: An emission control catalyst for treating an engine exhaust includes non-precious metal group (“NPGM”) mixed phase oxide catalyst having a mullite phase containing optionally in close contact with other metal oxides. The mixed phase catalyst may be included in one or more layers or zones of a multi-layered or multi-zoned emission control catalyst and optionally in combination with precious metal catalysts such as Pt, Pd and Au.Type: ApplicationFiled: September 21, 2012Publication date: August 7, 2014Applicant: SHUBIN, INC.Inventors: Geoffrey Mccool, Xianghong Hao, Deepak Srivastava, Bulent Yavuz
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Patent number: 8771624Abstract: An Object of the patent is to remove highly reducing hydrocarbon exhausted during acceleration period, and to remove efficiently hydrocarbon even after contacting with highly reducing hydrocarbon. By using a catalyst having a higher proportion of palladium having surface charge of 2-valence or 4-valence supported than that of 0-valence by supporting palladium together with magnesium oxide, hydrocarbon exhausted from an internal combustion engine especially during acceleration period can be efficiently removed.Type: GrantFiled: March 13, 2009Date of Patent: July 8, 2014Assignees: Umicore Shokubai Japan Co., Ltd, Umicore Shokubai USA Inc.Inventors: Masanori Ikeda, Hideki Goto, Kosuke Mikita
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Publication number: 20140187413Abstract: The present invention relates to nanocomposite materials comprising nanoclays as support of metal oxide particles which give the materials multi-functional properties. Said properties are obtained through the formulation of a specific type of additives based on layers of natural and/or synthetic clays which are intercalated with metal oxides with antimicrobial and/or oxygen sequestrating and/or catalytic and/or self-cleaning and/or anti-abrasive capacity; and which may optionally contain other organic, metal, inorganic compounds or combination thereof which may exercise a role of compatibilization and/or dispersion and/or increase in the functionality of the metal oxides and/or providing new functionalities, both passive of physical strengthening and active such as biocide character, antioxidant and chemical-species absorbers. Furthermore, the present invention discloses the use of said materials for multi-sector applications.Type: ApplicationFiled: May 28, 2012Publication date: July 3, 2014Applicant: Nanobiomatters Research & Develpment, S. L.Inventors: Jose Maria Lagaron Cabello, Eugenia Nunez, Maria Busolo Pons, Maria Dolores Sanchez-Garcia
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Publication number: 20140157763Abstract: An extruded honeycomb catalyst for nitrogen oxide reduction according to the selective catalytic reduction (SCR) method in exhaust gases from motor vehicles includes an extruded active carrier in honeycomb form having a first SCR catalytically active component and with a plurality of channels through which the exhaust gas flows during operation, and a washcoat coating having a second SCR catalytically active component being applied to the extruded body, wherein the first SCR catalytically active component and the second SCR catalytically active component are each independently one of: (i) vanadium catalyst with vanadium as catalytically active component; (ii) mixed-oxide catalyst with one or more oxides, in particular those of transition metals or lanthanides as catalytically active component; and (iii) an Fe- or a Cu-zeolite catalyst.Type: ApplicationFiled: July 31, 2012Publication date: June 12, 2014Applicant: Johnson Matthey Public Limited CompanyInventors: Guy Richard Chandler, Neil Robert Collins, Ralf Dotzel, Jörg Werner Münch, Paul Richard Philips, Gudmund Smedler, Andrew Peter Walker
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Publication number: 20140154175Abstract: There is disclosed a microporous crystalline material having pore opening ranging from 3 to 5 Angstroms, where the material comprises a first metal chosen from alkali earth group, rare earth group, alkali group, or mixtures thereof, and a second metal chosen from iron, copper or mixtures thereof; and has a molar silica to alumina ratio (SAR) from 3 to 10. The microporous crystalline material disclosed herein may comprise a crystal structure having building units of double-6-rings (d6r) and pore opening of 8-rings as exemplified with framework types defined by the Structure Commission of the International Zeolite Association having structural codes of CHA, LEV, AEI, AFT, AFX, EAB, ERI, KFI, SAT, TSC, and SAV. There is also disclosed a method of selective catalytic reduction of nitrogen oxides in exhaust gas, comprising at least partially contacting the exhaust gases with an article comprising the disclosed microporous crystalline material.Type: ApplicationFiled: November 30, 2012Publication date: June 5, 2014Applicant: PQ CORPORATIONInventors: Hong-Xin LI, Bjorn MODEN, William E. CORMIER
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Patent number: 8742189Abstract: The present invention relates to a catalyst for dehydroaromatizing C1-C4-aliphatics, said catalyst being obtainable by twice treating a zeolite from the group of MFI and MWW with NH4-containing mixtures, in each case with subsequent drying and calcination. The catalyst comprises molybdenum and, if appropriate, as further elements, Cu, Ni, Fe, Co, Mn, Cr, Nb, Ta, Zr, V, Zn and/or Ga. The present invention further provides a process for dehydroaromatizing a mixture comprising C1-C4-aliphatics by conversion in the presence of the catalyst.Type: GrantFiled: April 8, 2009Date of Patent: June 3, 2014Assignee: BASF SEInventors: Frank Kiesslich, Joana Coelho Tsou, Bilge Yilmaz, Sebastian Ahrens, Thomas Heidemann, Veronika Will, Christian Bechtold
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Publication number: 20140148632Abstract: A process and catalyst for improving the yield of propylene from residual oil feedstock includes obtaining residual oil feedstock from a vacuum distillation tower. The residual oil feedstock has contaminant metals such as sodium or vanadium. The residual oil feedstock is contacted with a cracking catalyst in a catalytic cracking zone to make products. A ZSM-5 zeolite, a binder, a filler and a metal trap are components of the cracking catalyst. The metal trap has a trapping agent in an outer shell of the catalyst, a trapping agent in the ZSM-5 binder or combinations thereof. After reacting, the cracking catalyst is separated from the products in a separator zone, then regenerated by combusting coke deposited on a surface of the cracking catalyst in an oxygen-containing environment. The cracking catalyst is returned to the catalytic cracking zone. The catalyst with the metal trap is also disclosed.Type: ApplicationFiled: January 31, 2014Publication date: May 29, 2014Applicant: UOP LLCInventors: Robert L. Mehlberg, Erick D. Gamas-Castellanos, Chad R. Huovie, Christopher P. Nicholas
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Publication number: 20140145117Abstract: The present invention provides a coke resistant catalyst and process for sequestration of carbon dioxide via reforming of methane to synthesis gas (a mixture of CO and H2). The process provides a direct single step selective vapour phase carbon dioxide reforming of methane to syngas over gadolinium promoted mesoporous Ni-ZSM catalyst. The process provides almost 11-95% conversion of methane with H2 to CO ratio of 0.82 to 1.Type: ApplicationFiled: November 25, 2013Publication date: May 29, 2014Applicant: Council of Scientific & Industrial ResearchInventors: RAJARAM BAL, BIPUL SARKAR, CHANDRASEKHAR PENDEM, RAJIB KUMAR SINGHA, SHANKHA SHUBHRA ACHARYYA, SHILPI GHOSH
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Publication number: 20140147358Abstract: Described is a process for the preparation of a catalyst. The process comprises (i) providing a substrate which is optionally coated with one or more coating layers; (ii) impregnating one or more particulate support materials with one or more platinum group elements; (iii) adding one or more alkaline earth elements and one or more solvents to the product obtained in step (ii) to obtain a slurry; (iv) adjusting the pH of the slurry obtained in step (iii) to a value ranging from 7 to 10 (v) adjusting the pH of the slurry to a value ranging from 2 to 6; (vi) optionally milling the slurry obtained in step (v); (vii) providing the slurry obtained in step (vi) onto the optionally coated substrate in one or more coating steps. Describes is as a catalyst which is obtainable according to said process and its use in the treatment of exhaust gas.Type: ApplicationFiled: November 11, 2013Publication date: May 29, 2014Applicant: BASF SEInventors: Marcus Hilgendorff, Alfred H. Punke, Torsten Neubauer, Gerd Grubert
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Patent number: 8735643Abstract: The invention relates to aggregate zeolitic adsorbents based on faujasite X type zeolite powder having a low silica content and small crystals, exchanged with barium or based on faujasite X type zeolite having a low silica content and small crystals, exchanged with barium and potassium. The invention also relates to the method for preparing said aggregate zeolitic adsorbents, and also their uses for separating sugars, polyhydric alcohols, isomers of substituted toluene, cresols, or for recovering very high purity paraxylene.Type: GrantFiled: December 16, 2008Date of Patent: May 27, 2014Assignees: Cece S.A., Institut Francais du PetroleInventors: Ludivine Bouvier, Stéphane Kieger, Catherine Laroche, Philibert Leflaive, Tom Frising
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Patent number: 8734743Abstract: Described is a nitrogen oxide storage catalyst comprising: a substrate; a first washcoat layer provided on the substrate, the first washcoat layer comprising a nitrogen oxide storage material, a second washcoat layer provided on the first washcoat layer, the second washcoat layer comprising a hydrocarbon trap material, wherein the hydrocarbon trap material comprises substantially no element or compound in a state in which it is capable of catalyzing selective catalytic reduction, preferably wherein the hydrocarbon trap material comprises substantially no element or compound in a state in which it is capable of catalyzing a reaction wherein nitrogen oxide is reduced to N2, said catalyst further comprising a nitrogen oxide conversion material which is either comprised in the second washcoat layer and/or in a washcoat layer provided between the first washcoat layer and the second washcoat layer.Type: GrantFiled: June 9, 2011Date of Patent: May 27, 2014Assignee: BASF SEInventors: Torsten W. Müller-Stach, Susanne Stiebels, Edith Schneider, Torsten Neubauer
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Publication number: 20140128247Abstract: A process for making styrene including providing a C1 source to a reactor containing a catalyst and reacting toluene with the C1 source in the presence of the catalyst to form a product stream comprising ethylbenzene and styrene. The C1 source can be selected from the group of methanol, formaldehyde, formalin, trioxane, methylformcel, paraformaldehyde, methylal, dimethyl ether, and combinations thereof, and wherein the catalyst contains a nitrogen-substituted zeolite.Type: ApplicationFiled: January 15, 2014Publication date: May 8, 2014Applicant: FINA TECHNOLOGY, INC.Inventor: Sivadinarayana Chinta
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Publication number: 20140128246Abstract: Compositions and methods for preparing a catalyst composition containing mesoporous materials are described herein. In particular, various embodiments described herein relate to the preparation of catalytic compositions containing a mesoporous zeolite and one or more catalytic nanoparticles dispersed therein. In various embodiments described herein, such catalyst compositions can be used in various catalytic conversion processes, such as hydrocracking.Type: ApplicationFiled: November 8, 2013Publication date: May 8, 2014Applicant: Rive Technology, Inc.Inventor: Javier Garcia-Martinez
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Patent number: 8716163Abstract: A hydrocarbon conversion catalyst, which comprises, based on the total weight of the catalyst, 1-60 wt % of a zeolite mixture, 5-99 wt % of a thermotolerant inorganic oxide and 0-70 wt % of clay, wherein said zeolite mixture comprises, based on the total weight of said zeolite mixture, 1-75 wt % of a zeolite beta modified with phosphorus and a transition metal M, 25-99 wt % of a zeolite having a MFI structure and 0-74 wt % of a large pore zeolite, wherein the anhydrous chemical formula of the zeolite beta modified with phosphorus and the transition metal M is represented in the mass percent of the oxides as (0-0.3)Na2O.(0.5-10)Al2O3.(1.3-10)P2O5.(0.7-15)MxOy.(64-97)SiO2, in which the transition metal M is one or more selected from the group consisting of Fe, Co, Ni, Cu, Mn, Zn and Sn; x represents the atom number of the transition metal M, and y represents a number needed for satisfying the oxidation state of the transition metal M.Type: GrantFiled: September 28, 2006Date of Patent: May 6, 2014Assignees: China Petroleum & Chemical Corporation, Research Institute of Petroleum Processing, SINOPECInventors: Yujian Liu, Huiping Tian, Xingtian Shu, Jun Long, Yibin Luo, Chaogang Xie, Zhenyu Chen, Liuzhou Zhao, Yuxia Zhu, Youbao Lu
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Patent number: 8709963Abstract: A molecular sieve including a basic skeleton of a molecular sieve and magnesium and phosphorus compounds as functional materials supported on the inner surface of the basic skeleton. A method of preparation of a modified molecular sieve including (1) dissolving a magnesium salt in water to obtain a magnesium salt solution; (2) dissolving phosphoric acid in water to obtain a phosphoric acid solution; (3) adding a molecular sieve to the magnesium salt solution, stirring, standing, drying for dehydration, and baking; and (4) adding a modified molecular sieve with supported magnesium compounds obtained from the step (3) to the phosphoric acid solution, stirring, standing, drying for dehydration, and baking to obtain a modified molecular sieve. The modified molecular sieve has high selectivity for ammonia nitrogen in wastewater.Type: GrantFiled: March 14, 2012Date of Patent: April 29, 2014Assignee: Nanjing UniversityInventors: Hongqiang Ren, Tao Zhang, Lili Ding
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Patent number: 8703636Abstract: A method of manufacturing a catalyst body which includes: combining one or more inorganic components with an inorganic binder, and optionally with an organic binder, to form a mixture, the one or more inorganic components comprising a primary phase material being zeolite, or CeO2—ZrO2, or a combination; forming the mixture into a shaped body; firing the shaped body to allow the inorganic binder to bind the one or more inorganic components; impregnating the shaped body with a source of a reducing or oxidizing element; and heating the impregnated shaped body to form a redox oxide from the source, the redox oxide being supported by the shaped body.Type: GrantFiled: February 27, 2009Date of Patent: April 22, 2014Assignee: Corning IncorporatedInventors: Steven Bolaji Ogunwumi, Mallanagouda Dyamanagouda Patil
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Patent number: 8697593Abstract: The zeolite catalyst is provided for the alkylation of toluene with methanol to selectively produce styrene and ethylbenzene. The zeolite catalyst is an X-type zeolite modified sequentially, first by ion-exchange with alkali metals, such as cesium, to replace all exchangeable sodium from the zeolite, and then by mixing the modified zeolite with borate salts of a metal such as lanthanum, zirconium, copper, zinc or the like. The initial zeolite composition has a Si to Al molar ratio of approximately 1 to 10, and is preferably either zeolite X or zeolite 13X. The zeolite composition is ion-exchanged with cesium to replace at least 50% of the exchangeable sodium in the zeolite composition. The ion-exchanged zeolite composition is then mixed with a borate salt to form the zeolite catalyst for the alkylation of toluene with methanol for the selective production of styrene and ethylbenzene.Type: GrantFiled: March 12, 2012Date of Patent: April 15, 2014Assignees: King Fahd University of Petroleum and Minerals, King Abdulaziz City for Science and TechnologyInventors: Sulaiman S. Al-Khattaf, Hideshi Hattori, Balkrishna B. Tope, Abdullah M. Aitani
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Publication number: 20140081059Abstract: Disclosed herein is an external, fixed bed, agglomerated nano catalyst of the general formula; AxByOz.Qn.(OH)m where, ‘A’ represents transition element ‘B’ represents rare earth elements including the lanthanide series, and actinide series either alone or mixture thereof in metallic or oxide or as hydroxides; ‘Q’ represents montmorillonate clay or its derivatives; and optionally along with an organic binder; for conversion of various homogeneous and heterogeneous waste material into useful hydrocarbon fuel as oil, gas and as solid carbon.Type: ApplicationFiled: November 20, 2013Publication date: March 20, 2014Inventor: Raghavendra Rao TURLAPATI
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Patent number: 8673802Abstract: Disclosed are a molecular sieve catalyst and a preparation method thereof to produce light olefins from cracking naphtha catalytically in severe environments of high temperature and high moisture. In detail, the catalyst is prepared by spray-drying and calcining the mixed slurry, in which 0.01˜5.0 wt % of MnO2 and 1˜15 wt % of P2O5 are simultaneously imbedded in catalyst which consists of zeolite, clay and inorganic complex. According to the present invention, the method that manganese and phosphate are imbedded simultaneously in zeolite and inorganic complex is used to increases thermal-stability of obtained spherical catalyst, and increase olefin yield of cracking hydrocarbon such as naphtha by protecting acid-site of zeolite. To synthesize the required catalyst, the important procedures are mixing ratio and mixing sequence of Mn, P, zeolite, and inorganic complex.Type: GrantFiled: February 5, 2009Date of Patent: March 18, 2014Assignees: SK Innovation Co., Ltd., Korea Research Institute of Chemical TechnologyInventors: Dae Hyun Choo, Hong Chan Kim, Suk Joon Kim, Ji Min Kim, Tae Jin Kim, Sun Choi, Seung Hoon Oh, Yong Seung Kim, Deuk Soo Park, Yong Ki Park, Chul Wee Lee, Hee Young Kim, Won Choon Choi, Na Young Kang, Bu Sub Song
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Patent number: 8673804Abstract: The present invention relates to the use of atomic layer deposition (ALD) techniques to enhance the acid catalytic activity of nanoporous materials.Type: GrantFiled: June 7, 2010Date of Patent: March 18, 2014Assignees: Katholieke Universiteit Leuven, Universiteit GentInventors: Johan Martens, Davy Deduytsche, Christophe Detavernier, Sreeprasanth Pulinthanathu Sree
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Publication number: 20140073499Abstract: A catalytic composition is particularly well suited for hydrocarbon conversion to synthesis gas at a temperature of between 800 and 1000° Celsius. The catalytic composition includes a noble metal cluster having an X-Y-Z axial mean linear dimension of between 2 and 15 Angstroms and a super cage structure surrounding the noble metal cluster. The super cage structure stabilizes the noble metal cluster against aggregation at temperatures of 1000° Celsius. A process for reforming hydrocarbon feedstock to hydrogen and carbon monoxide is also provided that conversion to greater than 80% of theoretical yield.Type: ApplicationFiled: January 16, 2008Publication date: March 13, 2014Applicant: United States Government as represented by the Secretary of the ArmyInventor: Ivan Chihang Lee
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Publication number: 20140065042Abstract: A three way catalyst includes an extruded solid body having by weight: 10-100% of at least one binder/matrix component; 5-90% of a zeolitic molecular sieve, a non-zeolitic molecular sieve or a mixture of any two or more thereof; and 0-80% optionally stabilised ceria. The catalyst also includes at least one precious metal and optionally at least one non-precious metal, wherein: (i) the at least one precious metal is carried in one or more coating layer(s) on the body surface; (ii) at least one metal is present throughout the body and at least one precious metal is carried in one or more coating layer(s) on a body surface; or (iii) at least one metal is present throughout the body, is present in a higher concentration at a body surface, and at least one precious metal is carried in one or more coating layer(s) on the body surface.Type: ApplicationFiled: November 13, 2013Publication date: March 6, 2014Applicant: Johnson Matthey Public Limited CompanyInventors: Paul Joseph Andersen, Ralf Dotzel, Kwangmo Koo, Rainer Leppelt, Jörg Werner Münch, Jeffery Scott Rieck, Hubert Schedel, Duncan John William Winterborn, Todd Howard Ballinger, Julian Peter Cox
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Patent number: 8664147Abstract: This invention concerns a procedure for the formation of a bimetallic composition by means of the subsequent depositing of Co(0) and Pd(0) on an inert support, a composition obtained by means of said procedure and the use of said bimetallic composition as a catalyst. Another aspect of this invention is a catalytic device that includes said bimetallic composition.Type: GrantFiled: December 28, 2010Date of Patent: March 4, 2014Assignee: QID S.R.L.Inventors: Valentina Bello, Helmut Boen-Nemann, Paolo Canu, Massimo Centazzo, Luca Conte, Daniela Dalle Nogare, Giovanni Mattei, Renzo Rosei
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Publication number: 20140041366Abstract: The present invention relates to a catalytic converter which comprises a molecular sieve and a mixed oxide, and to a method for the selective catalytic reduction of nitrogen oxides in exhaust gases of diesel engines.Type: ApplicationFiled: June 6, 2012Publication date: February 13, 2014Applicant: UMICORE AG & CO. KGInventors: Michael Seyler, Nicola Soeger, Katja Adelmann, Paul Spurk
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Publication number: 20140046109Abstract: In an embodiment, a method of forming a catalyst can comprises: treating a detemplated pentasil zeolite material with a phosphorus-containing compound to form a phosphorus treated zeolite; combining a hydrogenating material, the phosphorus treated zeolite, and a binder material to form a mixture; forming the mixture into a shaped body, wherein the mixture is formed into the shaped body without the mixture being heat-treated; and calcining the shaped body to form the catalyst. Combining the hydrogenating material with the phosphorus treated zeolite and the binder material occurs prior to forming of the shaped body.Type: ApplicationFiled: August 9, 2012Publication date: February 13, 2014Applicant: SAUDI BASIC INDUSTRIES CORPORATIONInventors: Ashim Kumar Ghosh, Neeta Kulkarni, Pamela Lawyer Harvey
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Publication number: 20140044625Abstract: A hydrocarbon trap is provided for reducing cold-start hydrocarbon emissions. The trap is formed by extruding from about 60 to 80% by weight zeolite and from about 20 to 40% by weight of a binder to form an extruded zeolite monolith. A three-way catalyst and an oxygen storage capacity material may also be included in the trap. The hydrocarbon trap contains from about 5.0 to 8.0 g/in.3 zeolite, which provides increased hydrocarbon retention. The hydrocarbon trap may be positioned in the exhaust gas passage of a vehicle such that hydrocarbons are adsorbed on the trap and stored until the monolith reaches a sufficient temperature for catalyst activation.Type: ApplicationFiled: August 8, 2012Publication date: February 13, 2014Applicant: FORD GLOBAL TECHNOLOGIES, LLCInventors: Jason Aaron Lupescu, Hungwen Jen, Jeffrey Scott Hepburn
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Patent number: 8642499Abstract: A particulate catalytic cracking catalyst which comprises a zeolite having catalytic cracking ability under catalytic cracking conditions, added silica, precipitated alumina and, optionally clay. The catalytic cracking catalyst has a high matrix surface area and is useful in a catalytic cracking process, in particularly, a fluid catalytic cracking process, to improve bottoms conversion at a constant coke formation.Type: GrantFiled: November 21, 2007Date of Patent: February 4, 2014Assignee: W. R. Grace & Co.-Conn.Inventors: Wu-Cheng Cheng, Kevin John Sutovich, Ruizhong Hu, Ranjit Kumar, Xinjin Zhao
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Publication number: 20140031194Abstract: Methods for preparing integral synthesis gas conversion catalyst extrudates including an oxide of a Fischer-Tropsch (FT) metal component and a zeolite component are disclosed. The oxide of the FT metal component is precipitated from a solution into crystallites having a particle size between about 2 nm and about 30 nm. The oxide of the FT metal component is combined with a zeolite powder and a binder material, and the combination is extruded to form integral catalyst extrudates. The oxide of the FT metal component in the resulting catalyst is in the form of reduced crystallites located outside the zeolite channels. No appreciable ion exchange of FT metal occurs within the zeolite channels. The acid site density of the integral catalyst extrudate is at least about 80% of the zeolite acid site density.Type: ApplicationFiled: September 30, 2013Publication date: January 30, 2014Applicant: Chevron U.S.A. Inc.Inventors: Kandaswamy Jothimurugesan, Robert James Saxton, Howard Steven Lacheen, Tapan Kumar Das
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Patent number: 8636959Abstract: The present invention is an exhaust gas purification catalyst equipment, and a method of use thereof, formed by arranging 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, characterized in that said 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), in a flow path of exhaust gas, characterized in that a spraying means to supply an urea aqueous solution or an aqueousType: GrantFiled: April 1, 2010Date of Patent: January 28, 2014Assignee: N.E. Chemcat CorporationInventors: Ryuji Ando, Takashi Hihara, Yasuharu Kanno, Makoto Nagata
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Publication number: 20140018232Abstract: The invention relates to a catalyst for selective synthesis of high-quality gasoline fractions from syngas and the preparation method of the catalyst. This catalyst consists of cobalt, a promoter and molecular sieve, wherein cobalt is presented in an amount of 1-30%, the promoter is represented in an amount of 0.01-5% and the balance is molecular sieve based on the weight of the catalyst. This catalyst provides superior selectivity for C5-C11 isoparaffins and relatively lower selectivity for wax-type hydrocarbons with more than 20 carbon atoms. Thereof, this catalyst can be used for the synthesis of high-quality gasoline and is good at preventing catalyst coking. Besides, the invention provides a preparation method of the catalyst.Type: ApplicationFiled: April 2, 2011Publication date: January 16, 2014Inventors: Ye Wang, Jincan Kang, Lei Zhang, Qinghong Zhang, Kang Cheng, Qingge Zhai, Jiansheng Ding, Weiqi Hua, Yinchuan Lou
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Publication number: 20140018592Abstract: The present invention relates to a catalyst for the conversion of methanol to aromatics and the preparation of the same. The catalyst comprising 85 to 99 parts by weight of a ZSM-5 zeolite, 0.1 to 15 parts by weight of element M1, which is at least one selected from the group consisted of Ag, Zn and Ga, and 0 to 5 parts by weight of element M2, which is at least one selected from the group consisted of Mo, Cu, La, P, Ce and Co, wherein the total specific surface area of the catalyst ranges from 350 to 500 m2/g, and the micropore specific surface area ranges from 200 to 350 m2/g. The catalyst has high total specific surface area, micropore specific surface area and micropore volume. Good catalytic activity can be shown from the results of the reaction of aromatics preparation from methanol using the catalyst provided by the present invention.Type: ApplicationFiled: July 11, 2013Publication date: January 16, 2014Inventors: Xiqiang CHEN, Zheming Wang, Jinxian Xiao, Feng Xu
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Patent number: 8629073Abstract: A catalyst is described which comprises at least one IZM-2 zeolite, at least one matrix and at least one metal selected from metals from groups VIII, VIB and VIIB, said zeolite having a chemical composition expressed as the anhydrous base in terms of moles of oxides by the following general formula: XO2:aY2O3:bM2/nO, in which X represents at least one tetravalent element, Y represents at least one trivalent element and M is at least one alkali metal and/or alkaline-earth metal with valency n, a and b respectively representing the number of moles of Y2O3 and M2/nO; and a is in the range 0.001 to 0.5 and b is in the range 0 to 1.Type: GrantFiled: July 21, 2009Date of Patent: January 14, 2014Assignee: IFP Energies NouvellesInventors: Emmanuelle Guillon, Nicolas Cadran, Sylvie Maury, Amandine Cabiac
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Patent number: 8617497Abstract: The invention relates to the use of mixed oxides made of cerium oxide, zirconium oxide, rare earth sesquioxide and niobium oxide as catalytically active materials for the selective catalytic reduction of nitrogen oxides with ammonia or a compound that can decompose to form ammonia in the exhaust gas of internal combustion engines in motor vehicles that are predominantly leanly operated, and to compositions or catalysts which contain said mixed oxides in combination with zeolite compounds and/or zeolite-like compounds and are suitable for the denitrogenation of lean motor vehicle exhaust gases in all essential operating states.Type: GrantFiled: April 16, 2011Date of Patent: December 31, 2013Assignee: Umicore AG & Co. KGInventors: Katja Adelmann, Gerald Jeske, Rainer Domesle, Nicola Soeger, Michael Seyler, Anke Schuler, Thomas R. Pauly, Barry W. L. Southward
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Publication number: 20130336865Abstract: A NOx absorber catalyst comprising a substrate monolith coated with one or more washcoat layers and comprising a first component comprising a nitrogen oxide storage component, at least one precious metal and a dispersed rare earth oxide supported on a refractory support material, and a second component comprising a precious metal supported on a bulk reducible oxide that is substantially free of nitrogen oxide storage material, wherein the precious metal present in the second component comprises Pt, Pd or a combination of both Pt and Pd and wherein the bulk reducible oxide is an oxide, a composite oxide or a mixed oxide comprising at least one of manganese, iron, cobalt, copper, tin or cerium.Type: ApplicationFiled: December 21, 2011Publication date: December 19, 2013Applicant: JOHNSON MATTHEY PUBLIC LIMITED COMPANYInventors: Robert James Brisley, Kenneth David Camm, Noelia Cortes Felix, Fiona-Mairead McKenna, Paul James Millington, Elizabeth Hazel Mountstevens, Daniel Swallow
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Publication number: 20130334460Abstract: A titano-silico-aluminophosphate which contains tetrahedrally coordinated titanium in the framework structure, which has a free coordination site for CO which can be detected by means of a characteristic IR band at 2192±5 cm?1. The titano-silico-aluminophosphate has extremely high hydrothermal stability and has a good adsorption capacity even at higher temperatures. Also, a hydrothermal method to obtain a titano-silico-aluminophosphate starting from a synthetic gel mixture of an aluminium, phosphorus, silicon and a titanium source, as well as corresponding templates.Type: ApplicationFiled: December 21, 2011Publication date: December 19, 2013Applicant: Clariant Produkte (Deutschland) GmbHInventors: Silke Sauerbeck, Olga Manoylova, Arno Tissler, Martin Dienersberger
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Patent number: 8609047Abstract: A wall-flow filter comprises a catalyst for converting oxides of nitrogen in the presence of a reducing agent, which wall-flow filter comprising an extruded solid body comprising: 10-95% by weight of at least one binder/matrix component; 5-90% by weight of a zeolitic molecular sieve, a non-zeolitic molecular sieve or a mixture of any two or more thereof; and 0-80% by weight optionally stabilized ceria, which catalyst comprising at least one metal, wherein: the at least one metal is present throughout the extruded solid body alone or in combination with: is also present in a higher concentration at a surface of the extruded solid body; is also carried in one or more coating layer(s) on a surface of the extruded solid body; or both.Type: GrantFiled: February 1, 2011Date of Patent: December 17, 2013Assignee: Johnson Matthey Public Limited CompanyInventors: Ralf Dotzel, Rainer Leppelt, Jörg Werner Münch, Hubert Schedel
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Publication number: 20130330258Abstract: Aspects of the invention relate to a base metal catalyst composition effective to catalyze the abatement of hydrocarbons, carbon monoxide and nitrogen oxides under both rich and lean engine operating conditions comprising a support including at least 10% by weight of reducible ceria doped with up to about 60% by weight of one or more of oxides selected from the group Al, Pr, Sm, Zr, Y, Si, Ti and La; and a base metal oxide on the reducible ceria support, the base metal selected from one or more of Ni, Fe, Mn, Cu, Co, Ba, Mg, Ga, Ca, Sr, V, W, Bi and Mo, the base metal catalyst composition effective to promote a steam reforming reaction of hydrocarbons and a water gas shift reaction to provide H2 as a reductant to abate NOx. Other aspects of the invention relate to methods of using and making such catalysts.Type: ApplicationFiled: April 22, 2013Publication date: December 12, 2013Applicant: BASF CorporationInventors: Pascaline Harrison Tran, Xinsheng Liu, Ye Liu, Michael P. Galligan, Qinglin Zhang
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Publication number: 20130313164Abstract: This invention relates to a process of preparing a catalyst from zeolite having a relatively high content of sodium of 18.6 ?g Na2O per zeolite surface area, or greater. The invention comprises adding yttrium compound to the zeolite, either prior to, during, or after its combination with precursors for catalyst matrix. This invention is suitable for preparing zeolite containing fluid cracking catalysts.Type: ApplicationFiled: November 22, 2011Publication date: November 28, 2013Applicant: W.R. Grace & Co. - CONNInventors: Yuying Shu, Richard Franklin Wormsbecher, Wu-Cheng Cheng
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Patent number: 8586780Abstract: A shell catalyst for producing vinyl acetate monomer (VAM), comprising an oxidic porous catalyst support, formed as a shaped body, with an outer shell in which metallic Pd and Au are contained. To provide a shell catalyst for producing VAM which has a relatively high activity and can be obtained at relatively low cost, the catalyst support is doped with at least one oxide of an element selected from the group consisting of Li, P, Ca, V, Cr, Mn, Fe, Sr, Nb, Ta, W, La and the rare-earth metals.Type: GrantFiled: May 30, 2008Date of Patent: November 19, 2013Assignee: Sued-Chemie IP GmbH & Co. KGInventors: Alfred Hagemeyer, Gerhard Mestl, Peter Scheck
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Patent number: 8580228Abstract: The present invention relates to a process for reducing cold start emissions in an exhaust gas stream (such as from an internal combustion engine) by contacting the exhaust stream with a combination of molecular sieves comprising (1) a small pore crystalline molecular sieve or mixture of molecular sieves having pores no larger than 8 membered rings selected from the group consisting of SSZ-13, SSZ-16, SSZ-36, SSZ-39, SSZ-50, SSZ-52 and SSZ-73 molecular sieve and having a mole ratio at least 10 of (a) an oxide of a first tetravalent element to (b) an oxide of a trivalent element, pentavalent element, second tetravalent element which is different from said first tetravalent element or mixture thereof and (2) a medium-large pore crystalline molecular sieve having pores at least as large as 10 membered rings selected from the group consisting of SSZ-26, SSZ-33, SSZ-64, zeolite Beta, CIT-1, CIT-6 and ITQ-4 and having a mole ratio of at least 10 of (a) an oxide of a first tetravalent element to (b) an oxide of a trType: GrantFiled: December 20, 2007Date of Patent: November 12, 2013Assignee: Chevron U.S.A. Inc.Inventors: Stacey I. Zones, Cabral M. Williams, Tecle S. Rufael, Allen W. Burton
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Publication number: 20130288884Abstract: The present invention relates to a catalyst for producing chlorine by oxidation of hydrogen chloride and a method for preparing the same. The catalyst comprises a support and active ingredients that comprise 1-20 wt % of copper, 0.01-5 wt % of boron, 0.1-10 wt % of alkali metal element(s), 0.1-15 wt % of one or more rare earth elements, and 0-10 wt % of one or more elements selected from magnesium, calcium, barium, manganese, iron, nickel, cobalt, zinc, ruthenium or titanium based on the total weight of the catalyst. The catalyst is prepared by a two-step impregnation method. Comparing with the available catalysts of the same type, the catalyst according to the present invention has greatly improved conversion and stability.Type: ApplicationFiled: June 3, 2011Publication date: October 31, 2013Applicants: NINGBO WANHUA POLYURETHANES CO., LTD., WANHUA CHEMICAL GROUP CO., LTD.Inventors: Guangquan Yi, Yinchuan Lou, Yi Wan, Xunkun Wu, Weiqi Hua, Jiansheng Ding
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Patent number: 8568680Abstract: In one embodiment, a catalyst for ozone oxidation of pollutant components dispersed in a gas is provided. The ozone oxidation catalyst has a porous body formed from a metal body, a ceramic, or polymeric fibers coated with metal. A catalytic noble metal composition is deposited on the surface of the porous body. The catalytic noble metal composition is formed from particles of a noble metal supported by a mesoporous molecular sieve.Type: GrantFiled: October 8, 2010Date of Patent: October 29, 2013Assignee: City University of Hong KongInventors: Kwan San Hui, Kwok Leung Tsui, Man On Fu
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Publication number: 20130281755Abstract: The catalyst for producing monocyclic aromatic hydrocarbons is for producing monocyclic aromatic hydrocarbons having 6 to 8 carbon number from oil feedstock having a 10 volume % distillation temperature of 140° C. or higher and a 90 volume % distillation temperature of 380° C. or lower. The catalyst contains crystalline aluminosilicate and a rare earth element, in which the amount of the rare earth element expressed in terms of the element is 0.1 to 10 mass % based on the crystalline aluminosilicate. In the production method of monocyclic aromatic hydrocarbons, oil feed stock having a 10 volume % distillation temperature of 140° C. or higher and a 90 volume % distillation temperature of 380° C. or lower is brought into contact with the catalyst for producing monocyclic aromatic hydrocarbons.Type: ApplicationFiled: December 28, 2011Publication date: October 24, 2013Applicant: JX NIPPON OIL & ENERGY CORPORATIONInventors: Shinichiro Yanagawa, Masahide Kobayashi, Yasuyuki Iwasa, Ryoji Ida
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Publication number: 20130274355Abstract: The present invention relates to a catalyst composition comprising cobalt manganese oxide which is modified with lanthanum and/or phosphorus and optionally one or more basic elements selected from the group consisting of alkali metal, alkaline earth metal and transition metal. Furthermore, a method for preparing said catalyst composition and a process for producing aliphatic and aromatic hydrocarbons by Fischer-Tropsch synthesis using said catalyst composition is provided.Type: ApplicationFiled: December 15, 2011Publication date: October 17, 2013Applicant: SAUDI BASIC INDUSTRIES CORPORATIONInventors: Khalid Karim, Saleh A. Al-Sayari
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Patent number: 8557028Abstract: Binderless BaKX zeolitic adsorbents, methods for their production, and adsorptive separation using the adsorbents are provided. An adsorbent comprises a first Zeolite X having a silica to alumina molar ratio of from about 2.0 to about 3.0; a binder-converted Zeolite X wherein a ratio of the binder-converted Zeolite X to the first Zeolite X ranges from about 10:90 to about 20:80 by weight; and barium and potassium at cationic exchangeable sites within the binderless BaKX zeolitic adsorbent. Potassium ranges from about 0.9 wt % to about 1.5 wt % and barium ranges from about 30 wt % to about 34 wt % of the binderless BaKX zeolitic adsorbent.Type: GrantFiled: March 21, 2012Date of Patent: October 15, 2013Assignee: UOP LLCInventors: Jack E. Hurst, Linda S. Cheng
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Patent number: 8551901Abstract: A nitrogen-oxide-removing catalyst includes ? zeolite bearing a rare earth metal oxide, and titanium dioxide bearing a rare earth metal oxide; includes ?-zeolite bearing a rare earth metal oxide and iron oxide or iron hydroxide, and titanium dioxide bearing a rare earth metal oxide and iron oxide or iron hydroxide; or includes a carrier made of a ceramic or metallic material, and a layer of the nitrogen-oxide-removing catalyst supported on the carrier.Type: GrantFiled: November 6, 2008Date of Patent: October 8, 2013Assignee: Mitsui Mining & Smelting Co., Ltd.Inventor: Kiyoshi Shinoda