Nickel Patents (Class 502/259)
-
Patent number: 8492592Abstract: The invention provides a method of transaminating a reactant with a catalyst composition comprising support and catalyst portions. The support includes an acidic mixed metal oxide including a transitional alumina and a second metal oxide. The transitional alumina can comprise delta or theta alumina, in combination with other transitional phases, or an alpha or gamma alumina. The second metal oxide has a weight percentage less than the weight percentage of alumina. The catalyst portion is 25 weight percent or less of the catalyst composition and is composed of nickel and rhenium. The catalyst portion includes nickel in an amount in the range of 2 to 20 weight percent, based upon total catalyst composition weight, and there is no boron in the catalyst portion. The method provides high activity and selectivity for reactant transamination to a desired product while minimizing the formation of unwanted cyclic products.Type: GrantFiled: April 26, 2012Date of Patent: July 23, 2013Assignee: Union Carbide Chemicals & Plastics Technology LLCInventors: Stephen W. King, Stefan K. Mierau
-
Patent number: 8486853Abstract: An exhaust gas purifying catalyst (1) according to the present invention includes noble metal particles (6), a first compound (7) supporting the noble metal particles (6), and a second compound (9) disposed not in contact with the noble metal particles (6) and having an oxygen storage capacity. An average distance between the first compound (7) and the second compound (9) is between 5 nm and 300 nm.Type: GrantFiled: March 4, 2010Date of Patent: July 16, 2013Assignee: Nissan Motor Co., Ltd.Inventors: Kazuyuki Shiratori, Katsuo Suga, Masanori Nakamura, Hironori Wakamatsu, Hiroto Kikuchi, Tetsuro Naito, Jun Ikezawa
-
Patent number: 8461373Abstract: Disclosed is a catalyst for use in production of carboxylic acid ester by reacting (a) aldehyde and alcohol, or (b) one or more types of alcohols, in the presence of oxygen; wherein oxidized nickel and X (wherein X represents at least one element selected from the group consisting of nickel, palladium, platinum, ruthenium, gold, silver and copper) are loaded onto a support within the range of the atomic ratio of Ni/(Ni+X) of from 0.20 to 0.99.Type: GrantFiled: July 31, 2008Date of Patent: June 11, 2013Assignee: Asahi Kasei Chemicals CorporationInventors: Ken Suzuki, Tatsuo Yamaguchi
-
Patent number: 8455390Abstract: An exhaust gas purifying catalyst includes a monolithic substrate (2), and a transition metal oxide layer (3) formed in the monolithic substrate (2). The transition metal oxide layer (3) contains transition metal oxide powder including: transition metal oxide particles (10); a first compound (20) on which the transition metal oxide particles (10) are supported; and a second compound (30) that surrounds a single body or an aggregate of the transition metal oxide particles (10) and the first compound (20).Type: GrantFiled: June 23, 2009Date of Patent: June 4, 2013Assignee: Nissan Motor Co., Ltd.Inventors: Hiroto Kikuchi, Masanori Nakamura, Hironori Wakamatsu, Katsuo Suga, Toshiharu Miyamura, Jun Ikezawa, Tetsuro Naito, Junji Ito
-
Patent number: 8455391Abstract: An exhaust gas purifying catalyst (1) includes: a three-dimensional structural substrate (10) having a plurality of cells (11) partitioned by cell walls (12) having pores (13); and catalyst layers (20) formed in the three-dimensional structural substrate (10). The catalyst layers (20) have pore-cover portions (22) formed on surfaces (13a) of the pores (13) of the cell walls (12). In addition, the catalyst layers (20) of the pore-cover portions (22) have activated pores (22a) with a pore diameter of 0.1 micrometers to 10 micrometers. In the exhaust gas purifying catalyst (1), the obstruction of the vent holes (pores (13)) in the catalyst layers (20) can be controlled, and the pressure loss can be reduced.Type: GrantFiled: March 30, 2009Date of Patent: June 4, 2013Assignee: Nissan Motor Co., Ltd.Inventors: Yasunari Hanaki, Hiroshi Akama, Hitoshi Onodera, Toru Nishizawa, Yoshiaki Hiramoto, Hideaki Morisaka, Masahiro Takaya
-
Patent number: 8450235Abstract: A supported composite particle material comprises: a composite particle formed of an oxidized nickel and X (wherein X represents at least one of elements selected from the group consisting of nickel, palladium, platinum, ruthenium, gold, silver and copper); and a support on which the composite particle is supported, the supported composite particle material having a supported layer in which the composite particle is localized.Type: GrantFiled: October 23, 2008Date of Patent: May 28, 2013Assignee: Asahi Kasei Chemicals CorporationInventors: Ken Suzuki, Tatsuo Yamaguchi
-
Publication number: 20130131399Abstract: A process for producing a catalyst, the process comprising the steps of: impregnating a first metal from a first metal precursor on a support to form a first impregnated support; calcining the first impregnated support; impregnating a second metal from a second metal precursor on the first impregnated support to form a second impregnated support; calcining the second impregnated support to form the catalyst, wherein the catalyst has a total metal loading of at least 2 wt. % based on the total weight of the catalyst. A method for hydrogenating alkanoic acids in the presence of the catalyst is also disclosed.Type: ApplicationFiled: November 23, 2011Publication date: May 23, 2013Applicant: CELANESE INTERNATIONAL CORPORATIONInventors: Heiko Weiner, Ana Rita Almeida, Graham Ormsby
-
Publication number: 20130130894Abstract: Methods of fabricating nano-catalysts are described. In some embodiments the nano-catalyst is formed from a powder-based substrate material and is some embodiments the nano-catalyst is formed from a solid-based substrate material. In some embodiments the substrate material may include metal, ceramic, or silicon or another metalloid. The nano-catalysts typically have metal nanoparticles disposed adjacent the surface of the substrate material. The methods typically include functionalizing the surface of the substrate material with a chelating agent, such as a chemical having dissociated carboxyl functional groups (—COO), that provides an enhanced affinity for metal ions. The functionalized substrate surface may then be exposed to a chemical solution that contains metal ions. The metal ions are then bound to the substrate material and may then be reduced, such as by a stream of gas that includes hydrogen, to form metal nanoparticles adjacent the surface of the substrate.Type: ApplicationFiled: January 14, 2013Publication date: May 23, 2013Applicant: Babcock & Wilcox Technical Services Y-12, LLcInventor: Babcock & Wilcox Technical Services Y-12, LLc
-
Patent number: 8435912Abstract: A supported and sulphur-containing catalyst is described, comprising; a porous support constituted by an organic-inorganic hybrid material for which the covalent bond between the organic and inorganic phases conforms to the formula M-O—Z—R where M represents at least one metal constituting the inorganic phase, Z at least one heteroelement from among phosphorus and silicon and R an organic fragment, at least one metal of group VIB and/or of group VB and/or of group VIII. The invention also relates to the use of this catalyst for the hydrorefining and the hydroconversion of hydrocarbon-containing feedstocks such as petroleum fractions, fractions from coal or biomass or hydrocarbons produced from natural gas.Type: GrantFiled: July 6, 2007Date of Patent: May 7, 2013Assignee: IFP Energies NoevellesInventors: Alexandra Chaumonnot, Denis Guillaume, Benoit Fremon, Karin Marchand, Renaud Revel
-
Patent number: 8415267Abstract: Core-shell nanoparticles having a core material and a mesoporous silica shell, and a method for manufacturing the core-shell nanoparticles are provided.Type: GrantFiled: June 4, 2012Date of Patent: April 9, 2013Assignee: Korea University Research and Business FoundationInventor: Kwangyeol Lee
-
Publication number: 20130065751Abstract: A metal oxide-supported nickel catalyst includes a matrix containing a metal oxide and catalytic sites distributed throughout the matrix and having an intricate interface with the matrix, in which the catalytic sites are selected from the group consisting of nano-nickel(0) domains and nano-nickel(0)-A(0) alloy domains. Also disclosed are a method for preparing this catalyst and a method for using it to produce carbon monoxide and hydrogen by partial oxidation of a C1-C5 hydrocarbon.Type: ApplicationFiled: March 8, 2011Publication date: March 14, 2013Applicant: National University of SingaporeInventors: Liang Hong, Xiong Yin
-
Publication number: 20130053237Abstract: The present invention relates unique pore structures in nickel supported on alumina with the negligible formation of macropores. Incorporation of additional elements stabilizes the pore structure of the nickel supported on alumina. Additional element(s) were then further added into the nickel-supported materials. These additional element(s) further stabilize the pore structures under heating conditions. The improvements of pore structure stability under heating conditions and negligible presence of macropores limit the sintering of nickel metal to a mechanism of impeded diffusion. The negligible presence of macropores also limits the deposition of alkali metal hydroxide(s)/carbonate(s) to the outer shell of the catalyst pellet. Both of the negligible presence of macropores and improvement in pore structure stability allow for prolonging the catalyst life of these nickel supported on alumina catalysts of the present invention for reforming hydrocarbons.Type: ApplicationFiled: January 13, 2010Publication date: February 28, 2013Inventors: Wen-Qing Xu, David Beijia Xu
-
Patent number: 8377840Abstract: Methods of fabricating nano-catalysts are described. In some embodiments the nano-catalyst is formed from a powder-based substrate material and is some embodiments the nano-catalyst is formed from a solid-based substrate material. In some embodiments the substrate material may include metal, ceramic, or silicon or another metalloid. The nano-catalysts typically have metal nanoparticles disposed adjacent the surface of the substrate material. The methods typically include functionalizing the surface of the substrate material with a chelating agent, such as a chemical having dissociated carboxyl functional groups (—COO), that provides an enhanced affinity for metal ions. The functionalized substrate surface may then be exposed to a chemical solution that contains metal ions. The metal ions are then bound to the substrate material and may then be reduced, such as by a stream of gas that includes hydrogen, to form metal nanoparticles adjacent the surface of the substrate.Type: GrantFiled: February 13, 2009Date of Patent: February 19, 2013Assignee: Babcock & Wilcox Technical Services Y-12, LLCInventors: Roland D. Seals, Paul A. Menchhofer, Jane Y. Howe, Wei Wang
-
Patent number: 8343888Abstract: Precursor cations of A and B elements of an ABO3 perovskite in aqueous solution are formed as an ionic complex gel with citric acid or other suitable polybasic carboxylic acid. The aqueous gel is coated onto a desired catalyst substrate and calcined to form, in-situ, particles of the crystalline perovskite as, for example, an oxidation catalyst on the substrate. In one embodiment, a perovskite catalyst such as LaCoO3 is formed on catalyst supporting cell walls of an extruded ceramic monolith for oxidation of NO in the exhaust gas of a lean burn vehicle engine.Type: GrantFiled: October 1, 2009Date of Patent: January 1, 2013Assignee: GM Global Technology Operations LLCInventors: Chang H Kim, Wei Li, Kevin A Dahlberg
-
Publication number: 20120304530Abstract: A method for upgrading pyrolysis oil into a hydrocarbon fuel involves obtaining a quantity of pyrolysis oil, separating the pyrolysis oil into an organic phase and an aqueous phase, and then upgrading the organic phase into a hydrocarbon fuel by reacting the organic phase with hydrogen gas using a catalyst. The catalyst used in the reaction includes a support material, an active metal and a zirconia promoter material. The support material may be alumina, silica gel, carbon, silicalite or a zeolite material. The active metal may be copper, iron, nickel or cobalt. The zirconia promoter material may be zirconia itself, zirconia doped with Y, zirconia doped with Sc and zirconia doped with Yb.Type: ApplicationFiled: May 23, 2012Publication date: December 6, 2012Inventors: Pallavi Chitta, Mukund Karanjikar
-
Patent number: 8293676Abstract: The present invention provides catalyst compositions useful for transamination reactions. The catalyst compositions have a catalyst support that includes transitional alumina, use a low metal loading (for example, less than 25 wt. %), and do not require the presence of rhenium. The catalyst compositions are able to advantageously promote transamination of a reactant product (such as the transamination of EDA to DETA) with excellent activity and selectivity, and similar to transaminations promoted using a precious metal-containing catalyst.Type: GrantFiled: October 6, 2009Date of Patent: October 23, 2012Assignee: Union Carbide Chemicals & Plastics Technology LLCInventors: Stephen W. King, Stefan K. Mierau
-
Patent number: 8263522Abstract: A method for converting a supported metal nitrate into the corresponding supported metal oxide comprises heating the metal nitrate to effect its decomposition under a gas mixture that contains nitrous oxide and has an oxygen content of <5% by volume. The method provides very highly dispersed metal oxide on the support material. The metal oxide is useful as a catalyst or as a catalyst precursor.Type: GrantFiled: August 14, 2007Date of Patent: September 11, 2012Assignee: Johnson Matthey PLCInventors: Jelle Rudolf Anne Sietsma, Adrianus Jacobus Van Dillen, Petra Elisabeth De Jongh, Krijn Pieter De Jong
-
Publication number: 20120198769Abstract: A catalyst-coated support including a sheetlike support, a primer layer applied thereto and composed of nanoparticles composed of silicon oxide-comprising material, and at least one catalyst layer applied to the primer layer. The layers applied are notable for a particularly good adhesive bond strength and can be used particularly efficiently in heterogeneously catalyzed gas phase reactions, especially in microreactors.Type: ApplicationFiled: June 23, 2010Publication date: August 9, 2012Inventors: Steffen Schirrmeister, Martin Schmitz-Niederau, Ingo Klüppel, Christoph Filthaut
-
Patent number: 8236262Abstract: A particulate desulfurization material includes one or more nickel compounds, a zinc oxide support material, and one or more alkali metal compounds wherein the nickel content of the material is in the range 0.3 to 10% by weight and the alkali metal content of the material is in the range 0.2 to 10% by weight. A method of making the desulfurization material includes the steps: (i) contacting a nickel compound with a particulate zinc support material and an alkali metal compound to form an alkali-doped composition, (ii) shaping the alkali-doped composition, and (iii) drying, calcining, and optionally reducing the resulting material. The desulfurization material may be used to desulfurize hydrocarbon gas streams with reduced levels of hydrocarbon hydrogenolysis.Type: GrantFiled: February 25, 2009Date of Patent: August 7, 2012Assignee: Johnson Matthey PLCInventors: Gavin Potter, Gordon Edward Wilson, Norman Macleod, Antonio Chica Lara, Avelino Corma Canos, Yonhy Saavedra Lopez
-
Patent number: 8236726Abstract: The present invention discloses a Ni-based catalyst useful in selective hydrogenation, comprising the following components supported on an alumina support: (a) 5.0 to 40.0 wt. % of metallic nickel or oxide(s) thereof; (b) 0.01 to 20.0 wt. % of at least one of molybdenum and tungsten, or oxide(s) thereof; (c) 0.01 to 10.0 wt. % of at least one rare earth element or oxide(s) thereof; (d) 0.01 to 2.0 wt. % of at least one metal from Group IA or Group IIA of the Periodic Table or oxide(s) thereof; (e) 0 to 15.0 wt. % of at least one selected from the group consisting of silicon, phosphorus, boron and fluorine, or oxide(s) thereof; and (f) 0 to 10.0 wt. % of at least one metal from Group IVB of the Periodic Table or oxide(s) thereof; with the percentages being based on the total weight of the catalyst. The catalyst is useful in the selective hydrogenation of a pyrolysis gasoline.Type: GrantFiled: September 20, 2007Date of Patent: August 7, 2012Assignees: China Petroleum & Chemical Corporation, Shanghai Research Institute of Petrochemical Technology SinopecInventors: Zhongneng Liu, Zaiku Xie, Xiaoling Wu, Minbo Hou, Xinghua Jiang, Hongyuan Zong
-
Patent number: 8222173Abstract: A method of manufacturing a catalyst by suspending a titanium-containing silicate porous material in a solution with a metal salt being dissolved therein, and then by exposing the solution to ultra violet light to precipitate metal fine particles on the surface of the porous material.Type: GrantFiled: March 27, 2006Date of Patent: July 17, 2012Assignees: Nippon Oil Corporation, Osaka UniversityInventors: Hiromi Yamashita, Tadahiro Kaminade
-
Patent number: 8216956Abstract: A layered electrocatalyst for oxidizing ammonia, ethanol, or combinations thereof, comprising: a carbon support integrated with a conductive metal; at least one first metal plating layer at least partially deposited on the carbon support, wherein the at least one first metal plating layer is active to OH adsorption and inactive to a target species, and wherein the at least one first metal plating layer has a thickness ranging from 10 nanometers to 10 microns; and at least one second metal plating layer at least partially deposited on the at least one first metal plating layer, wherein the at least one second metal plating layer is active to the target species, and wherein the at least one second metal plating layer has a thickness ranging from 10 nanometers to 10 microns, forming a layered electrocatalyst.Type: GrantFiled: May 4, 2008Date of Patent: July 10, 2012Assignee: Ohio UniversityInventor: Gerardine G. Botte
-
Patent number: 8216961Abstract: Core-shell nanoparticles having a core material and a mesoporous silica shell, and a method for manufacturing the core-shell nanoparticles are provided.Type: GrantFiled: August 27, 2008Date of Patent: July 10, 2012Assignee: Korea University Research and Business FoundationInventor: Kwangyeol Lee
-
Patent number: 8207084Abstract: According to at least one aspect of the present invention, a urea-resistant catalytic unit is provided. In at least one embodiment, the catalytic unit includes a catalyst having a catalyst surface, and a urea-resistant coating in contact with at least a portion of the catalyst surface, wherein the urea-resistant coating effectively reduces urea-induced deactivation of the catalyst. In at least another embodiment, the urea-resistant coating includes at least one oxide from the group consisting of titanium oxide, tungsten oxide, zirconium oxide, molybdenum oxide, aluminum oxide, silicon dioxide, sulfur oxide, niobium oxide, molybdenum oxide, yttrium oxide, nickel oxide, cobalt oxide, and combinations thereof.Type: GrantFiled: June 23, 2009Date of Patent: June 26, 2012Assignee: Ford Global Technologies, LLCInventors: Yisun Cheng, Yinyan Huang, Christine Kay Lambert
-
Patent number: 8207083Abstract: The present invention relates to a catalyst nickel, silica, alumina and magnesium, wherein the nickel to magnesium atomic ratio is 5-75. In particular the present invention relates to a catalyst comprising nickel, silica, alumina and magnesium, wherein the nickel to silicium atomic ratio (Ni/Si) is 2 to 30 to nickel to aluminum atomic ratio (Ni/Al) is 9 to 40 and the nickel to magnesium atomic ratio (Ni/Mg) is 5-75. The invention further relates to a method for preparing such a catalyst. The invention further relates to a process for hydrogenating unsaturated organic compounds.Type: GrantFiled: March 26, 2009Date of Patent: June 26, 2012Assignee: BASF CorporationInventors: Pieter Hildegardus Berben, Tjalling Rekker
-
Patent number: 8202815Abstract: In one embodiment, a catalyst composition comprises from about 5 weight percent to about 70 weight percent of silica-alumina; from about 30 weight percent to about 90 weight percent alumina; and from about 0.01 weight percent to about 2.0 weight percent of a group VIII metal. In another embodiment, a method for processing hydrocarbons comprises hydro-treating the hydrocarbons in the presence of a catalyst composition, wherein the catalyst comprises from about 5 weight percent to about 70 weight percent silica-alumina; from about 30 weight percent to about 90 weight percent alumina; and from about 0.01 weight percent to about 2.0 weight percent of a group VIII metal.Type: GrantFiled: December 26, 2008Date of Patent: June 19, 2012Assignee: General Electric CompanyInventors: Gregg Anthony Deluga, Daniel Lawrence Derr
-
Patent number: 8192595Abstract: A transition metal/carbon nanotube composite includes a carbon nanotube and a transition metal oxide coating layer disposed on the carbon nanotube. The transition metal oxide coating layer includes a nickel-cobalt oxide.Type: GrantFiled: December 2, 2009Date of Patent: June 5, 2012Assignees: Samsung Electronics Co., Ltd., Industry-Academic Cooperation Foundation, Yonsei UniversityInventors: Ho-jung Yang, Hyo-rang Kang, Kwang-bum Kim, Jin-go Kim
-
Publication number: 20120134915Abstract: Thin nano structured layers on surfaces of nickel or its alloys for quickly achieving high hydrogen adsorption values (H/Ni˜0.7) through direct metal/gas contact. The said layers are produced by a process comprising the step of oxidising the said surfaces, applying a film of aqueous silica sol to them, subsequent heating in an -oxidising atmosphere and final activation through reduction in a reducing atmosphere.Type: ApplicationFiled: August 9, 2010Publication date: May 31, 2012Inventors: Francesco Celani, Misa Nakamura, Vittorio Di Stefano, Marina Bonifazi Razzanti, Paolo Marini, Lorenzo Marini, Filippo Marini
-
Patent number: 8187997Abstract: The invention provides a catalyst composition composed of a support portion and a catalyst portion. The support portion includes an acidic mixed metal oxide including a transitional alumina and a second metal oxide. The transitional alumina can comprise delta or theta alumina, in combination with other transitional phases, or an alpha or gamma alumina. The second metal oxide has a weight percentage that is less than the weight percentage of alumina. The catalyst portion is 25 weight percent or less of the catalyst composition and is composed of nickel and rhenium. The catalyst portion includes nickel in an amount in the range of 2 to 20 weight percent, based upon total catalyst composition weight, and there is no boron in the catalyst portion.Type: GrantFiled: October 6, 2009Date of Patent: May 29, 2012Assignee: Union Carbide Chemicals & Technology LLCInventors: Stephen W. King, Stefan K Mierau
-
Patent number: 8178003Abstract: A hydrocarbon-reforming catalyst comprising a composite oxide having a composition represented by the following formula (I) in which Co, Ni and M are dispersed in the composite oxide and a process for producing a synthesis gas by using the catalyst are provided. aM.bCo.cNi.dMg.eCa.fO??(I) wherein a, b, c, d, e, and f are molar fractions, a+b+c+d+e=1, 0.0001<a?0.20, 0<b?0.20, 0?c?0.20, 0.001<(b+c)?0.20, 0.60?(d+e)?0.9989, 0<d<0.9989, 0<e<0.9989, f=the number necessary for element to keep charge equilibrium with oxygen. And M is at least one element among Group 3B elements and Group 6A elements in the Periodic Table. The reforming catalyst is able to maintain a high catalytic activity over a long period in reforming hydrocarbons.Type: GrantFiled: October 8, 2008Date of Patent: May 15, 2012Assignee: Japan Petroleum Exploration Co., Ltd.Inventors: Katutoshi Nagaoka, Yuusaku Takita, Toshiya Wakatsuki
-
Patent number: 8173100Abstract: Catalytic system comprising at least two components: a catalyst for the hydrolysis reaction of metal borohydrides to hydrogen; and a material in solid form, the dissolution reaction of which in water is exothermic.Type: GrantFiled: October 22, 2009Date of Patent: May 8, 2012Assignee: Commisariat a l'Energie AtomiqueInventors: Philippe Capron, Jérôme Delmas, Nathalie Giacometti, Isabelle Rougeaux
-
Patent number: 8158554Abstract: A high heat-resistant catalyst includes: noble metal particles; first compounds which contact the noble metal particles and suppress movement of the noble metal particles; and second compounds which envelop the noble metal particles and the first compounds, suppress the movement of the noble metal particles, and suppress coagulation of the first compounds following mutual contact of the first compounds. The first compounds support the noble metal particles, and single piece or aggregate of the first compounds supporting the noble metal particles are included in a section partitioned by the second compounds. A coefficient of linear thermal expansion of the second compounds is 1.2×10?5 [K?1] or less.Type: GrantFiled: April 17, 2008Date of Patent: April 17, 2012Assignees: Nissan Motor Co., Ltd., RENAULT s.a.s.Inventors: Hironori Wakamatsu, Masanori Nakamura, Masahiro Takaya, Katsuo Suga, Hiroto Kikuchi, Jun Ikezawa
-
Patent number: 8143187Abstract: A process for preparing supported catalyst in pellet or coated monolith form is disclosed the method includes the steps of: forming a mixed metal carbonate complex having at least two metals by subjecting a first metal carbonate containing compound to ion exchange with desired metal cations; heat treating the resulting mixed metal carbonate complex to form a mixed oxide which consists of active metal oxides supported on a catalyst support; forming the resulting supported catalysts into pellets or coating the resulting supported catalyst onto a monolithic support. The catalysts may be used for treating effluents containing organic material in the presence of an oxidising agent.Type: GrantFiled: October 3, 2002Date of Patent: March 27, 2012Assignee: Commonwealth Scientific and Industrial Research OrganisationInventors: Manh Hoang, Kingsley Opoku-Gyamfi
-
Patent number: 8143186Abstract: A catalyst composition comprising cobalt as an active catalytic element and a lesser amount of nickel as a promoter supported on a metal oxide support. The support may comprise alumina, silica, silica-alumina, zeolite, zirconia, magnesia or titania. The amount of nickel is preferably less than 50 wt %, relative to the amount of cobalt.Type: GrantFiled: September 23, 2005Date of Patent: March 27, 2012Assignees: Statoil ASA, Petro SAInventor: Erling Rytter
-
Publication number: 20120071614Abstract: The invention concerns catalysts comprising (i) a cladded catalyst support comprising (a) a core which comprises alumina particles and (b) about 1 to about 40 weight percent silica cladding, based on the weight of the cladded catalyst support, on the surface of the core; the catalyst support having a BET surface area of greater than 20 m2/g and a porosity of at least about 0.2 cc/g; and (ii) 0.1 to 10 weight percent, based on the weight of the catalyst, of catalytically active transition metal on the surface of the cladded catalyst support; wherein the catalyst support has a normalized sulfur uptake (NSU) of up to 25 ?g/m2. The invention also concerns the production and use of such catalysts.Type: ApplicationFiled: January 7, 2010Publication date: March 22, 2012Inventors: Stephen R. Schmidt, David M. Chapman, Manoj M. Koranne, Michael D. Jensen
-
Publication number: 20120065442Abstract: The present invention relates to supported Ni-catalysts optionally comprising Zn as a promoter, methods for the production of said catalysts and uses of said catalysts for the hydrogenation of a hydrocarbon feed.Type: ApplicationFiled: May 7, 2010Publication date: March 15, 2012Inventors: Reinhard Geyer, Klaus Hoheisel, Patrick Vander Hoogerstraete, Jürgen Hunold, Michael Keck, Dirk Lose, Rainer Schödel
-
Publication number: 20120058884Abstract: Techniques for coating a fiber with metal oxide include forming silica in the fiber to fix the metal oxide to the fiber. The coated fiber can be used to facilitate photocatalysis.Type: ApplicationFiled: November 9, 2011Publication date: March 8, 2012Applicant: KOREA UNIVERSITY RESEARCH AND BUSINESS FOUNDATIONInventor: Kwangyeol Lee
-
Publication number: 20120048777Abstract: A method of forming a catalyst is provided. The method comprises reacting a reactive solution comprising at least one alumina precursor, at least one silica precursor, a templating agent, a solvent, a catalytic metal precursor, and a modifier, to form a gel. The method can also include calcining the gel to form a catalyst composition comprising a pore-containing, homogeneous solid mixture which comprises at least one catalytic metal and an inorganic support comprising alumina and silica. The pores of the homogenous solid mixture have an average diameter in a range of about 1 nanometer to about 200 nanometers. A method of upgrading a hydrocarbon feedstock to a liquid fuel in the presence of the catalyst composition is also provided.Type: ApplicationFiled: August 31, 2010Publication date: March 1, 2012Applicant: GENERAL ELECTRIC COMPANYInventors: Daniel Lawrence Derr, Larry Neil Lewis, Hrishikesh Keshavan, Gregg Anthony Deluga
-
Publication number: 20120021305Abstract: A desulfurizing agent for a hydrocarbon comprises: 10 to 30 percent by mass of a porous inorganic oxide based on the total mass of the desulfurizing agent; 3 to 40 percent by mass of zinc oxide; and 45 to 75 percent by mass of a nickel atom in terms of nickel oxide, wherein the reduction degree of the nickel atom is 50 to 80 percent, and wherein the amount of hydrogen adsorption per unit desulfurizing agent mass is 3.5 to 4.6 ml/g.Type: ApplicationFiled: March 31, 2010Publication date: January 26, 2012Applicant: JX Nippon Oil & Energy CorporationInventors: Yoshiyuki Nagayasu, Yoshie Miyai, Takaya Matsumoto, Kimika Ishizuki
-
Patent number: 8101539Abstract: A purifying catalyst includes catalyst powder composed of a transition metal oxide of which an average particle diameter is within 1 nm to 2 ?m and in which an electron binding energy of oxygen is shifted to an energy side lower than 531.3 eV. The purifying catalyst shows good purification performance even when noble metal is not contained as an essential component.Type: GrantFiled: November 20, 2008Date of Patent: January 24, 2012Assignee: Nissan Motor Co., Ltd.Inventors: Hirofumi Yasuda, Yasunari Hanaki, Toru Sekiba, Shigeru Chida, Junji Ito
-
Publication number: 20120015802Abstract: Disclosed is a catalyst which can be used in the process for producing hydrogen by decomposing ammonia, can generate heat efficiently in the interior of a reactor without requiring excessive heating the reactor externally, and can decompose ammonia efficiently and steadily by utilizing the heat to produce hydrogen. Also disclosed is a technique for producing hydrogen by decomposing ammonia efficiently utilizing the catalyst. Specifically disclosed is a catalyst for use in the production of hydrogen, which is characterized by comprising an ammonia-combusting catalytic component and an ammonia-decomposing catalytic component. Also specifically disclosed is a catalyst for use in the production of hydrogen, which is characterized by comprising at least one metal element selected from the group consisting of cobalt, iron, nickel and molybdenum.Type: ApplicationFiled: March 17, 2010Publication date: January 19, 2012Inventors: Junji Okamura, Masanori Yoshimune, Masaru Kirishiki, Hideaki Tsuneki, Shinya Kitaguchi
-
Publication number: 20120016042Abstract: The present invention concerns a catalyst for carrying out hydrocarbon synthesis starting from a mixture comprising carbon monoxide and hydrogen, the active phase of which comprises at least one metal from group VIII deposited on a support formed by at least one oxide, in which said metal from group VIII is selected from the group constituted by cobalt, nickel, ruthenium or iron, and in which said catalyst has an atomic ratio (Co/Al)not ground/(CO/Al)ground, measured by X-ray photo-emission spectroscopy, in the range 1 to 12. The invention also concerns the catalyst preparation process and its use.Type: ApplicationFiled: July 12, 2011Publication date: January 19, 2012Applicants: IFP Energies nouvelles, ENI S.p.A.Inventors: Sylvie Maury, Christele Legens, Loic Sorbier, Fabrice Diehl, Joseph Lopez, Lars Fischer
-
Publication number: 20120006724Abstract: Provided are hydrocracking catalysts comprising a cracking component and a hydrogenation component, wherein, for example: the cracking component comprises at least one molecular sieve present in an amount ranging from 0% to 20% by weight relative to the total weight of the catalyst and at least one amorphous silica-alumina present in an amount ranging from 20% to 60% by weight relative to the total weight of the catalyst; the hydrogenation component comprises at least one hydrogenation metal present in a total amount ranging from 34% to 75% by weight calculated by the mass of oxides, relative to the total weight of the catalyst; and the hydrocracking catalyst has a specific surface area ranging from 150 m2/g to 350 m2/g and a pore volume ranging from 0.20 cm3/g to 0.50 cm3/g, such as from 0.30 cm3/g to 0.45 cm3/g, and the product (M×S) of the percentage amount of the total mass of the hydrogenation metal (M) and the specific surface area (S) is equal to or more than 100 m2/g, i.e., M×S?100 m2/g.Type: ApplicationFiled: July 6, 2011Publication date: January 12, 2012Inventors: Yanze Du, Minghua Guan, Fenglai Wang, Chang Liu
-
Patent number: 8092716Abstract: Process for the preparation of a catalytic specie consisting essentially of a metallic support, which is coated with a ceramic active phase layer, mainly compound of the general formula (I): [RhxNiyMglAlm(OH)2]z+(An?z/n)kH2O,??(I) wherein An? is mainly a silicate or a polysilicate anion; 0?x?0.3; 0?y?0.9; 0?l?0.9; 0?m?0.5; 0?k?10; x+y>0; 0.5?y+l?0.9; x+y+l+m=1; and z is the total electrical charge of the cationic element or a compound of the general formula (II): [AzA?1-z][B1-x-yNixRhy]O3-???(II) wherein A and A? are different and are selected from the Lanthanide or the Actinide families or from the group IIa of the Mendeleev's periodical table of elements; B is selected from the transition metal groups of columns IIIb, IVb, Vb, VIb, VIIb, Ib and IIb and group VIIIb of the Mendeleev's periodical table of elements; 0?x?0.7, 0?y?0.5, 0?x+y?0.Type: GrantFiled: January 10, 2007Date of Patent: January 10, 2012Assignee: L'Air Liquide Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges ClaudeInventors: Daniel Gary, Pascal Del-Gallo, Francesco Basile, Angelo Vaccari, Giuseppe Fornasari, Valentina Rosetti, Erika Scavetta, Domenica Tonelli
-
Patent number: 8088707Abstract: A supported catalyst with a solid sphere structure of the present invention includes an oxide supporting body and a metal such as Ni, Co, Fe, or a combination thereof distributed on the surface and inside of the supporting body. The supported catalyst with a solid sphere structure can maintain a spherical shape during heat treatment and can be used with a floating bed reactor due to the solid sphere structure thereof.Type: GrantFiled: December 17, 2009Date of Patent: January 3, 2012Assignee: Cheil Industries Inc.Inventors: Byeong Yeol Kim, Yun Tack Lee, Seung Yong Bae, Young Sil Lee
-
Patent number: 8088706Abstract: A bulk metal oxide catalyst composition of the general formula (X)b(M)c(Z)d(O)e??(I) wherein X represents at least one non-noble Group VIII metal; M represents at least one non-noble Group VIb metal; Z represents one or more elements selected from aluminum, silicon, magnesium, titanium, zirconium, boron, and zinc; one of b and c is the integer 1; and d and e and the other of b and c each are a number greater than 0 such that the molar ratio of b:c is in the range of from 0.5:1 to 5:1, the molar ratio of d:c is in the range of from 0.2:1 to 50:1, and the molar ratio of e:c is in the range of from 3.7:1 to 108:1; is prepared by controlled (co)precipitation of component metal compounds, refractory oxide material, and alkali compound in protic liquid. Resulting compositions find use in hydrotreatment processes involving particularly hydrodesulphurization and hydrodenitrification.Type: GrantFiled: April 29, 2009Date of Patent: January 3, 2012Assignee: Shell Oil CompanyInventors: Laszlo Domokos, Hermanus Jongkind, Johannes Anthonius Robert Van Veen
-
Publication number: 20110313188Abstract: The present invention relates to a catalyst comprising one or more elements selected from the group consisting of cobalt, nickel and copper, said catalyst being present in the form of a structured monolith, wherein said catalyst comprises one or more elements selected from the group of the alkali metals, alkaline earth metals and rare earth metals. The invention further relates to processes for preparing the inventive catalyst and to the use of the inventive catalyst in a process for hydrogenating organic substances, especially for hydrogenating nitriles.Type: ApplicationFiled: February 4, 2010Publication date: December 22, 2011Applicant: BASF SEInventors: Christof Wilhelm Wigbers, Jochen Steiner, Martin Ernst, Bram Willem Hoffer, Ekkehard Schwab, Johann-Peter Melder
-
Publication number: 20110312487Abstract: A catalyst system for generating at least one polyol from a feedstock comprising saccharide is performed in a continuous or batch manner. Generating the polyol involves, contacting, hydrogen, water, and a feedstock comprising saccharide, with a catalyst system to generate an effluent stream comprising at least one polyol and recovering the polyol from the effluent stream. The catalyst system comprises at least one unsupported component and at least one supported component.Type: ApplicationFiled: July 28, 2011Publication date: December 22, 2011Applicant: UOP LLCInventors: John Q. Chen, Tom N. Kalnes, Joseph A. Kocal
-
Patent number: 8075859Abstract: A nanocomposite particle, its use as a catalyst, and a method of making it are disclosed. The nanocomposite particle comprises titanium dioxide nanoparticles, metal oxide nanoparticles, and a surface stabilizer. The metal oxide nanoparticles are formed hydrothermally in the presence of the titanium dioxide nanoparticles. The nanocomposite particle is an effective catalyst support, particularly for DeNOx catalyst applications.Type: GrantFiled: July 14, 2009Date of Patent: December 13, 2011Assignee: Millennium Inorganic Chemicals, Inc.Inventors: Guoyi Fu, Steven M. Augustine
-
Patent number: 8071655Abstract: A catalyst applicable to the synthesis gas conversions especially E-T slurry processes, said catalyst comprising: a) a support containing at least a first aluminate element of mixed spinel structure of formula MxM?(1?x)Al2O4/Al2O3.SiO2, x ranging between and excluding 0 and 1, or of simple spinel structure of formula MAl2O4/Al2O3.SiO2, said support being calcined in an at least partly oxidizing atmosphere, at a temperature ranging between 850° C. and 900° C., and b) an active phase deposited on said support, which contains one or more group VIII metals, selected from among cobalt, nickel, ruthenium or iron. Said catalyst is used in a fixed bed or suspended in a three-phase reactor for hydrocarbon synthesis from a CO, H2 mixture.Type: GrantFiled: November 17, 2005Date of Patent: December 6, 2011Assignees: IFP Energies Nouvelles, ENI S.p.A.Inventors: Fabrice Diehl, François Hugues, Marie-Claire Marion, Denis Uzio