And Group Ii Metal Containing (i.e., Alkaline Earth, Be, Mg, Zn, Cd Or Hg) Patents (Class 502/328)
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Patent number: 9012350Abstract: The herein disclosed exhaust gas purification catalyst is an exhaust gas purification catalyst that is provided with a porous carrier 40 and palladium 50 supported on this porous carrier 40. The porous carrier 40 is provided with an alumina carrier 42 formed of alumina and with a CZ carrier 44 formed of a ceria-zirconia complex oxide. Barium is added to both the alumina carrier 42 and the CZ carrier 44. Here, an amount of barium added to the alumina carrier 42 is an amount that corresponds to 10 mass % to 15 mass % relative to a total mass of the alumina carrier 42 excluding the barium, and an amount of barium added to the CZ carrier 44 is an amount that corresponds to 5 mass % to 10 mass % relative to a total mass of the CZ carrier 44 excluding the barium.Type: GrantFiled: October 22, 2012Date of Patent: April 21, 2015Assignee: Toyota Jidosha Kabushiki KaishaInventor: Yuki Aoki
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Patent number: 9012353Abstract: Disclosed are three-way catalysts that are able to simultaneously convert nitrogen oxides, carbon monoxide, and hydrocarbons in exhaust gas emissions into less toxic compounds. Also disclosed are three-way catalyst formulations comprising palladium (Pd)-containing oxygen storage materials. In some embodiments, the three-way catalyst formulations of the invention do not contain rhodium. Further disclosed are improved methods for making Pd-containing oxygen storage materials. The relates to methods of making and using three-way catalyst formulations of the invention.Type: GrantFiled: August 8, 2012Date of Patent: April 21, 2015Assignee: Clean Diesel Technologies, Inc.Inventors: Stephen J. Golden, Randal Hatfield, Jason D. Pless, Johnny T. Ngo
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Patent number: 9012348Abstract: A composition comprising a supported hydrogenation catalyst comprising palladium and an organophosphorous compound, the supported hydrogenation catalyst being capable of selectively hydrogenating highly unsaturated hydrocarbons to unsaturated hydrocarbons. A method of making a selective hydrogenation catalyst comprising contacting a support with a palladium-containing compound to form a palladium supported composition, contacting the palladium supported composition with an organophosphorus compound to form a catalyst precursor, and reducing the catalyst precursor to form the catalyst.Type: GrantFiled: December 19, 2013Date of Patent: April 21, 2015Assignee: Chevron Phillips Chemical Company LPInventors: Tin-Tack Peter Cheung, Zongxuan Hong
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Patent number: 9006132Abstract: The present invention relates to a process for preparing catalyst composition for the synthesis of carbon nanotube with high yields using the spray pyrolysis method. More particularly, this invention relates to a process for preparing catalyst composition for the synthesis of carbon nanotube comprising the steps of i) dissolving multi-component metal precursors of catalyst composition in de-ionized water; ii) spraying obtained catalytic metal precursor solution into the high temperature reactor by gas atomization method; iii) forming the catalyst composition powder by pyrolysis of gas atomized material; and iv) obtaining the catalyst composition powder, wherein said catalyst composition comprises i) main catalyst selected from Fe or Co, ii) Al, iii) optional co-catalyst at least one selected from Ni, Cu, Sn, Mo, Cr, Mn, V, W, Ti, Si, Zr or Y, iv) inactive support of Mg. Further, the catalyst composition prepared by this invention has a very low apparent density of 0.01˜0.Type: GrantFiled: May 11, 2011Date of Patent: April 14, 2015Assignee: Korea Kumho Petrochemical Co., LtdInventors: Sang-Hyo Ryu, Hyun-Kyung Sung, Namsun Choi, Wan Sung Lee, Dong Hwan Kim, Youngchan Jang
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Publication number: 20150096900Abstract: Disclosed is an alloy of the formula: Fe3?xAl1+xMyTzTat wherein M represents at least one catalytic specie selected from the group consisting of Ru, Ir, Pd, Pt, Rh, Os, Re and Ag; T represents at least one element selected from the group consisting of Mo, Co, Cr, V, Cu, Zn, Nb, W, Zr, Y, Mn, Cd, Si, B, C, O, N, P, F, S, CI, Na and Ti; and Ta represents tantalum. Such an alloy can be used as an electrode material for the synthesis of sodium chlorate. It can also be used as a coating for protection against corrosion.Type: ApplicationFiled: April 26, 2013Publication date: April 9, 2015Inventors: Robert Schulz, Sylvio Savoie
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Publication number: 20150098893Abstract: The present invention relates to a photocatalyst for the generation of diatomic hydrogen from a hydrogen containing precursor under the influence of actinic radiation comprising semiconductor support particles comprised of SrTiO3 and TiO2 with one or more noble and/or transition metals deposited thereon. Further disclosed is a method for preparing such catalyst and a method for generating diatomic hydrogen by photolysis.Type: ApplicationFiled: April 22, 2013Publication date: April 9, 2015Inventors: Hicham Idriss, Ahmed Wahab Khaja, Taiwo Odedairo, Majed Mohammed Mussa
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Patent number: 8999145Abstract: One exemplary embodiment can be a slurry hydrocracking process. The process can include providing one or more hydrocarbon compounds having an initial boiling point temperature of at least about 340° C., and a slurry catalyst to a slurry hydrocracking zone. The slurry catalyst may have about 32-about 50%, by weight, iron; about 3-about 14%, by weight, aluminum; no more than about 10%, by weight, sodium; and about 2-about 10%, by weight, calcium. Typically, all catalytic component percentages are as metal and based on the weight of the dried slurry catalyst.Type: GrantFiled: October 15, 2012Date of Patent: April 7, 2015Assignee: UOP LLCInventors: Lorenz J. Bauer, Maureen L. Bricker, Beckay J. Mezza, Alakananda Bhattacharyya
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Patent number: 8993475Abstract: An excellent oxygen storage capacity is achieved even in the case used for a long period of time under high temperature conditions. An oxygen storage material contains a first particle made of a composite oxide of cerium and zirconium or a composite oxide of cerium, a rare-earth element other than cerium and zirconium, a second particle including a composite oxide of a rare-earth element, an alkaline-earth element and zirconium, and a precious metal. A part of the precious metal forms a solid solution with the composite oxide included in the second particle.Type: GrantFiled: June 22, 2007Date of Patent: March 31, 2015Assignees: Cataler Corporation, Toyota Jidosha Kabushiki KaishaInventors: Mareo Kimura, Keiichi Narita, Akimasa Hirai, Akiya Chiba, Naoto Miyoshi, Kazunobu Ishibashi, Takaaki Kanazawa, Takeru Yoshida, Hirohisa Tanaka, Mari Uenishi, Isao Tan, Masashi Taniguchi
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Publication number: 20150064631Abstract: A supported precious metal catalyst for the high-temperature combustion of a hydrocarbon includes 1-10% by weight in total of one or more precious metals on a refractory metal oxide support material, and 1-20% by weight in total of one or more stabilizing metals selected from rare earths and Groups IA, IIA, and IIIA of the periodic table of the elements, wherein at least part of the precious metal is present as a mixed metal oxide with one or more of the stabilizing metals.Type: ApplicationFiled: March 25, 2013Publication date: March 5, 2015Applicant: JOHNSON MATTHEY PUBLIC LIMITED COMPANYInventors: Noelia Montserrat Cortes Felix, Andrew Charles Scullard
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Patent number: 8968601Abstract: Disclosed is a catalyst used for steam carbon dioxide reforming of natural gas, wherein an alkaline earth metal alone or an alkaline earth metal and a group 8B metal are supported on a hydrotalcite-like catalyst containing nickel, magnesium and aluminum. The disclosed catalyst is useful as a steam carbon dioxide reforming (SCR) catalyst of natural gas at high temperature and high pressure, while minimizing deactivation of the catalyst due to sintering of the active component nickel and deactivation of the catalyst due to coke generation at the same time. A synthesis gas prepared using the catalyst has a H2/CO molar ratio maintained at 1-2.2. A synthesis gas having a H2/CO molar ratio of 1.8-2.2 may be used as a raw material for Fischer-Tropsch synthesis or methanol synthesis and a synthesis gas having a H2/CO molar ratio of may be used as a raw material for dimethyl ether synthesis.Type: GrantFiled: August 20, 2013Date of Patent: March 3, 2015Assignee: Korea Institute of Science and TechnologyInventors: Dong Ju Moon, Yun Ju Lee, Jae Sun Jung, Jin Hee Lee, Seung Hwan Lee, Bang Hee Kim, Hyun Jin Kim, Eun Hyeok Yang
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Patent number: 8969231Abstract: A method of producing an alumina-supported cobalt catalyst for use in a Fischer-Tropsch synthesis reaction, which comprises: calcining an initial ?-alumina support material at a temperature to produce a modified alumina support material; impregnating the modified alumina support material with a source of cobalt; calcining the impregnated support material, activating the catalyst with a reducing gas, steam treating the activated catalyst, and activating the steam treated catalyst with a reducing gas.Type: GrantFiled: August 31, 2010Date of Patent: March 3, 2015Assignee: GTL.FI AGInventors: Erling Rytter, Sigrid Eri, Rune Myrstad, Odd Asbjørn Lindvåg
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Patent number: 8946113Abstract: The present invention relates to an Fe-modified perovskite-type catalyst, a method for preparing same and a method for preparing a synthesis gas by a combined reforming reaction using same. More particularly, it relates to a catalyst for a combined natural gas/steam/carbon dioxide reforming reaction having a perovskite structure with La and Sr introduced at the A site and Ni and Fe introduced at the B site with specific molar ratios and a method for producing a synthesis gas for Fischer-Tropsch synthesis or methanol synthesis using the catalyst by the combined reforming reaction. The catalyst of the present invention exhibits higher carbon dioxide conversion rate, significantly reduced catalyst deactivation caused by carbon deposition and improved long-term catalyst stability and activity, as compared to the existing catalyst for reforming reaction prepared by the impregnation method.Type: GrantFiled: June 4, 2013Date of Patent: February 3, 2015Assignee: Korea Institute of Science and TechnologyInventors: Dong Ju Moon, Eun Hyeok Yang, Jin Hee Lee, Hyun Jin Kim, Byoung Sung Ahn, Sang Woo Kim, Jae Sun Jung
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Patent number: 8946114Abstract: A method of producing stable ferrous nitrate solution by dissolving iron in nitric acid to form a ferrous nitrate solution and maintaining the solution at a first temperature for a first time period, whereby the Fe(II) content of the ferrous nitrate solution changes by less than about 2% over a second time period. A method of producing stable Fe(II)/Fe(III) nitrate solution comprising ferrous nitrate and ferric nitrate and having a desired ratio of ferrous iron to ferric iron, including obtaining a stable ferrous nitrate solution; dissolving iron in nitric acid to form a ferric nitrate solution; maintaining the ferric nitrate solution at a second temperature for a third time period; and combining amounts of stable ferrous nitrate solution and ferric nitrate solution to produce the stable Fe(II)/Fe(III) nitrate solution. A method of preparing an iron catalyst is also described.Type: GrantFiled: May 29, 2009Date of Patent: February 3, 2015Assignee: Res USA, LLC.Inventors: Pandurang V. Nikrad, Jesse W. Taylor, Richard A. Bley, Danny M. Dubuisson, Sara L. Rolfe, Belma Demirel, Dawid J. Duvenhage, Harold A. Wright
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Publication number: 20150031922Abstract: The present invention describes a process and catalysts for the conversion of a light hydrocarbon and carbon dioxide input stream into high quality syngas with the subsequent conversion of the syngas into fuels or chemicals. In one aspect, the present invention provides an efficient, solid solution catalyst for the production of a carbon containing gas from carbon dioxide and light hydrocarbons. The catalyst comprises a single transition metal, and the transition metal is nickel.Type: ApplicationFiled: July 16, 2014Publication date: January 29, 2015Inventors: Robert Schuetzle, Dennis Schuetzle
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Patent number: 8937203Abstract: The present invention relates to catalysts, to processes for making catalysts and to chemical processes employing such catalysts. The multifunctional catalysts are preferably used for converting acetic acid and ethyl acetate to ethanol. The catalyst is effective for providing an acetic acid conversion greater than 20% and an ethyl acetate conversion greater than 0%. The catalyst comprises a precious metal and one or more active metals on a modified support. The modified support includes a metal selected from the group consisting of tungsten, vanadium, and tantalum, provided that the modified support does not contain phosphorous.Type: GrantFiled: August 27, 2012Date of Patent: January 20, 2015Assignee: Celanese International CorporationInventors: Zhenhua Zhou, Heiko Weiner, Radmila Wollrab
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Patent number: 8920759Abstract: One embodiment includes an oxidation catalyst assembly formed by applying a washcoat of platinum and a NOx storage material to a portion of a substrate material.Type: GrantFiled: March 2, 2009Date of Patent: December 30, 2014Assignee: GM Global Technology Operations LLCInventors: Jong H. Lee, David B. Brown, Michael J. Paratore, Jr., Yongsheng He
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Patent number: 8916491Abstract: The present invention relates to a process for producing a catalyst for carrying out methanation reactions. The production of the catalyst is based on contacting of a hydrotalcite-comprising starting material with a fusible metal salt. The compounds brought into contact with one another are intimately mixed, thermally treated so that the metal salt fraction melts and subsequently subjected to a low-temperature calcination step and a high-temperature calcination step. The metal salt melt comprises at least one metal selected from the group consisting of K, La, Fe, Co, Ni, Cu and Ce, preferably Ni. The metal salt melt more preferably comprises/contains nickel nitrate hexahydrate. The hydrotalcite-comprising starting material is preferably hydrotalcite or a hydrotalcite-like compound as starting material, and the hydrotalcite-comprising starting material preferably comprises magnesium and aluminum as metal species.Type: GrantFiled: November 7, 2012Date of Patent: December 23, 2014Assignee: BASF SEInventors: Claudia Querner, Andrian Milanov, Stephan Schunk, Andreas Strasser, Guido Wasserschaff, Thomas Roussiere
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Patent number: 8912110Abstract: One embodiment is a catalyst for catalytic reforming of naphtha. The catalyst can have a noble metal including one or more of platinum, palladium, rhodium, ruthenium, osmium, and iridium, an alkali or alkaline-earth metal, a lanthanide-series metal, and a support. Generally, an average bulk density of the catalyst is about 0.300 to about 1.00 gram per cubic centimeter. The catalyst has a platinum content of less than about 0.375 wt %, a tin content of about 0.1 to about 2 wt %, a potassium content of about 100 to about 600 wppm, and a cerium content of about 0.1 to about 1 wt %. The lanthanide-series metal can be distributed at a concentration of the lanthanide-series metal in a 100 micron surface layer of the catalyst less than two times a concentration of the lanthanide-series metal at a central core of the catalyst.Type: GrantFiled: July 12, 2012Date of Patent: December 16, 2014Assignee: UOP LLCInventors: Manuela Serban, Mark P. Lapinski
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Publication number: 20140364303Abstract: Stabilized palladium (+1) compounds to mimic rhodium's electronic configuration and catalytic properties are disclosed. Palladium (+1) compounds may be stabilized in perovskite or delafossite structures and may be employed in Three-Way Catalysts (TWC) for at least the conversion of HC, CO and NOx, in exhaust gases. The TWC may include a substrate, a wash-coat and, a first impregnation layer, a second impregnation layer and an over-coat. The second impregnation layer and the over-coat may include palladium (+1) based compounds as catalyst.Type: ApplicationFiled: June 6, 2013Publication date: December 11, 2014Applicant: CDTIInventor: Randal L. Hatfield
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Patent number: 8901027Abstract: A method of forming a Fischer-Tropsch catalyst by providing at least one metal nitrate solution, combining each of the at least one metal nitrate solutions with a precipitating agent whereby at least one catalyst precipitate is formed, and incorporating a strong base during precipitation, subsequent precipitation, or both during and subsequent precipitation. Catalysts produced via the disclosed method are also provided.Type: GrantFiled: November 15, 2011Date of Patent: December 2, 2014Assignee: Res USA, LLCInventors: Deena Ferdous, Belma Demirel
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Publication number: 20140339475Abstract: Disclosed is a catalyst used for steam carbon dioxide reforming of natural gas, wherein an alkaline earth metal alone or an alkaline earth metal and a group 8B metal are supported on a hydrotalcite-like catalyst containing nickel, magnesium and aluminum. The disclosed catalyst is useful as a steam carbon dioxide reforming (SCR) catalyst of natural gas at high temperature and high pressure, while minimizing deactivation of the catalyst due to sintering of the active component nickel and deactivation of the catalyst due to coke generation at the same time. A synthesis gas prepared using the catalyst has a H2/CO molar ratio maintained at 1-2.2. A synthesis gas having a H2/CO molar ratio of 1.8-2.2 may be used as a raw material for Fischer-Tropsch synthesis or methanol synthesis and a synthesis gas having a H2/CO molar ratio of may be used as a raw material for dimethyl ether synthesis.Type: ApplicationFiled: August 20, 2013Publication date: November 20, 2014Applicant: Korea Institute of Science and TechnologyInventors: Dong Ju MOON, Yun Ju LEE, Jae Sun JUNG, Jin Hee LEE, Seung Hwan LEE, Bang Hee KIM, Hyun Jin KIM, Eun Hyeok YANG
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Patent number: 8889078Abstract: A porous oxide catalyst includes porous oxide, and an oxygen vacancy-inducing metal which induces an oxygen vacancy in a lattice structure of a porous metal oxide.Type: GrantFiled: March 15, 2011Date of Patent: November 18, 2014Assignee: Samsung Electronics Co., Ltd.Inventors: Sang-min Ji, Hyun-chul Lee, Doo-hwan Lee, Seon-ah Jin
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Publication number: 20140332726Abstract: Disclosed is a hydrocarbon gas reforming supported catalyst, and methods for its use, that includes a catalytic material capable of catalyzing the production of a gaseous mixture comprising hydrogen and carbon monoxide from a hydrocarbon gas, and a support material comprising an alkaline earth metal/metal oxide compound having a structure of D-E, wherein D is a M1 or M1M2, M1 and M2 each individually being an alkaline earth metal selected from the group consisting of Mg, Ca, Ba, and Sr, E is a metal oxide selected from the group consisting of Al2O4, SiO2, ZrO2, TiO2, and CeO2, wherein the catalytic material is attached to the support material.Type: ApplicationFiled: May 8, 2014Publication date: November 13, 2014Applicant: SABIC Global Technologies B.V.Inventors: Lawrence D'SOUZA, Vinu VISWANATH
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Patent number: 8883118Abstract: A process for producing the porous catalyst body for decomposing hydrocarbons, the body containing at least magnesium, aluminum and nickel, and has a pore volume of 0.01 to 0.5 cm3/g, an average pore diameter of not more than 3006 ? and an average crushing strength of not less than 3 kgf. The process includes molding hydrotalcite containing at least magnesium, aluminum and nickel, and calcining the resulting molded product at a temperature of 700 to 1500° C.Type: GrantFiled: June 25, 2013Date of Patent: November 11, 2014Assignee: Toda Kogyo CorporationInventors: Shinji Takahashi, Naoya Kobayashi
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Publication number: 20140322114Abstract: A three-way catalyst including a mixture of nickel and copper is provided for reducing carbon monoxide, hydrocarbon emissions, and nitrogen oxides from vehicle engine exhausts. The catalyst is impregnated onto a carrier substrate which is non-reactive with nickel and copper. When used in a vehicle exhaust gas treatment system, the nickel-copper catalyst provides improved efficiency in reducing CO, HC, and NOx emissions over the use of conventional three-way-catalysts and provides enhanced oxygen storage capacity (OSC) and water-gas-shift (WGS) functions.Type: ApplicationFiled: April 29, 2013Publication date: October 30, 2014Applicant: Ford Global Technologies, Inc.Inventors: Hungwen Jen, Eva Thanasiu, Jeffrey Scott Hepburn
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Patent number: 8871673Abstract: Catalysts for the decomposition of N2O into nitrogen and oxygen in the gas phase, which comprises a porous support composed of polycrystalline or vitreous inorganic material, a cerium oxide functional layer applied thereto and a layer of oxidic cobalt-containing material applied thereto are described. The catalysts can be used, in particular, as secondary or tertiary catalysts in nitric acid plants.Type: GrantFiled: July 11, 2008Date of Patent: October 28, 2014Assignee: UHDE GmbHInventors: Meinhard Schwefer, Rolf Siefert, Frank Seifert, Frank Froehlich, Wolfgang Burckhardt
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Patent number: 8871671Abstract: A hydrogen storage alloy unit comprises a porous body 7 having a large number of holes (spaces) 9 allowing hydrogen atoms to pass through, and a hydrogen storage alloy covering a surface of the porous body 7, inclusive of surfaces of the holes thereof. The hydrogen storage alloy includes a hydrogen storage base formed of a hydrogen storage material, and a catalytic layer covering a surface of the hydrogen storage base. The porous body 7 is formed of an assembly of hydrogen storage fibers 8 formed by vapor-depositing the hydrogen storage alloy onto nanofibers.Type: GrantFiled: September 4, 2009Date of Patent: October 28, 2014Assignee: Kabushiki Kaisha AtsumitecInventors: Naoki Uchiyama, Tomomi Kanai, Kazumi Harada
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Publication number: 20140315711Abstract: A catalyst which comprises nickel and/or cobalt supported on a support that includes a mixed oxide containing metals, such as aluminum, zirconium, lanthanum, magnesium, cerium, calcium, and yttrium. Such catalysts are useful for converting carbon dioxide to carbon monoxide, and for converting methane to hydrogen.Type: ApplicationFiled: March 14, 2014Publication date: October 23, 2014Inventors: Prashant Kumar, David Lynch
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Patent number: 8859453Abstract: 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: GrantFiled: November 20, 2013Date of Patent: October 14, 2014Assignee: National University of SingaporeInventors: Liang Hong, Xiong Yin
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Publication number: 20140299816Abstract: A catalyst for reforming hydrocarbons may include an inorganic oxide and a catalyst metal supported on the inorganic metal oxide. At least a portion of the catalyst metal may be supported in the form of a solid-solution particle. The catalyst metal may include a first metal (selected from cobalt, iron, copper, and manganese); nickel; and magnesium.Type: ApplicationFiled: February 6, 2014Publication date: October 9, 2014Applicant: Samsung Electronics Co., Ltd.Inventors: In Hyuk SON, Seung Jae LEE
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Patent number: 8852519Abstract: Disclosed is an exhaust gas purifying catalyst in which grain growth of a noble metal particle supported on a support is suppressed. Also, disclosed is a production process of an exhaust gas purifying catalyst, by which the above exhaust gas purifying catalyst can be produced. The exhaust gas purifying catalyst comprises a crystalline metal oxide support and a noble metal particle supported on the support, wherein the noble metal particle is epitaxially grown on the support, and wherein the noble metal particle is dispersed and supported on the outer and inner surfaces of the support. The process for producing an exhaust gas purifying catalyst comprises masking, in a solution, at least a part of the surface of a crystalline metal oxide support by a masking agent, introducing the support into a noble metal-containing solution containing a noble metal, and drying and firing the support and the noble metal-containing solution to support the noble metal on the support.Type: GrantFiled: July 9, 2010Date of Patent: October 7, 2014Assignee: Toyota Jidosha Kabushiki KaishaInventors: Masao Watanabe, Oji Kuno, Nobusuke Kabashima, Keisuke Kishita, Noboru Otake, Hiromochi Tanaka
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Patent number: 8853123Abstract: Disclosed is a lean NOx trap (LNT) catalyst with enhanced NOx storage capacity at low temperature. More particularly, an LNT catalyst with enhanced NOx storage capacity at low temperature and significantly inhibited thermal desorption is prepared by coating a washcoat on a honeycomb-type carrier and drying and baking the same. The washcoat contains a first catalyst powder in which barium (Ba) and a precious metal are supported on a ceria support, and a second catalyst powder in which a precious metal is supported on a magnesium (Mg)-substituted alumina support The LNT catalyst of the present invention is useful as a NOx reducing catalyst for a passenger diesel vehicle.Type: GrantFiled: April 1, 2013Date of Patent: October 7, 2014Assignee: Hyundai Motor CompanyInventor: Chang Ho Jung
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Patent number: 8845998Abstract: A catalyst has a long life span and efficiently separates hydrogen from water. A first metal element (Ni, Pd, Pt) for cutting the combination of hydrogen and oxygen and a second metal element (Cr, Mo, W, Fe) for helping the function of the first metal element are melted in alkaline metal hydroxide or alkaline earth metal hydroxide to make a mixture heated at a temperature above the melting point of the hydroxide to eject fine particles from the liquid surface, bringing steam into contact with the fine particles. Instead of this, a mixture of alkaline metal hydroxide and metal oxide is heated at a temperature above the melting point of the alkaline metal hydroxide to make metal compound in which at least two kinds of metal elements are melted, and fine particles are ejected from the surface of the metal compound to be brought into contact with steam.Type: GrantFiled: January 6, 2010Date of Patent: September 30, 2014Inventor: Yasuo Ishikawa
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Publication number: 20140275584Abstract: Methods, catalysts, and reactor systems for producing in high yield aromatic chemicals and liquid fuels from a mixture of oxygenates comprising di- and polyoxygenates are disclosed. Also disclosed are methods, catalysts, and reactor systems for producing aromatic chemicals and liquid fuels from oxygenated hydrocarbons such as carbohydrates, sugars, sugar alcohols, sugar degradation products, and the like; and methods, catalysts, and reactor systems for producing the mixture of oxygenates from oxygenated hydrocarbons such as carbohydrates, sugars, sugar alcohols, sugar degradation products, and the like. The disclosed catalysts for preparing the mixture of oxygenates comprise a NinSnm alloy and a crystalline alumina support.Type: ApplicationFiled: March 14, 2014Publication date: September 18, 2014Applicant: Virent, Inc.Inventors: Taylor Beck, Brian Blank, Casey Jones, Elizabeth Woods, Randy Cortright
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Publication number: 20140271429Abstract: An oxidation catalyst composite, methods, and systems for the treatment of exhaust gas emissions from a diesel engine are described. More particularly, an oxidation catalyst composite including a zoned diesel oxidation catalyst with a first washcoat zone with a Pt/Pd ratio that is less than 3:1 and a PGM loading at least twice that of a second washcoat zone.Type: ApplicationFiled: March 12, 2014Publication date: September 18, 2014Applicant: BASF CorporationInventors: M. Shahjahan Kazi, Fabien A. Rioult, Stanley A. Roth, Kenneth E. Voss
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Publication number: 20140275649Abstract: The present invention relates to a provides a catalyst comprising (a) a solid support comprising an alkaline earth metal oxide, fluoride, or oxyfluoride, and (b) at least one elemental metal disposed on or within said support, preferably wherein said elemental metal is present in an amount from about 0.01 to about 10 weight percent based upon the total weight of the metal and support. It also relates to the use of the catalyst for the dehydrochlorination of a hydrochlorofluorocarbon.Type: ApplicationFiled: March 12, 2014Publication date: September 18, 2014Applicant: HONEYWELL INTERNATIONAL INC.Inventors: Haiyou WANG, Hsueh Sung TUNG
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Patent number: 8835346Abstract: A catalyst material including a catalyst carrier including a porous alumina support and a hindrance layer on the alumina support, the hindrance layer comprising one or more barium sulfate, strontium sulfate, zirconium sulfate, and calcium sulfate is described. The catalyst carrier further includes a rare earth oxide. The catalyst material can further comprise a platinum group metal oxide. The hindrance layer may prevent the rare earth oxide from forming a complex with the support. The catalyst material is useful for methods and systems of abating pollutants from automotive exhaust gas.Type: GrantFiled: July 27, 2012Date of Patent: September 16, 2014Assignee: BASF CorporationInventors: Gary A. Gramiccioni, Stephan Siemund, Shau-Lin F. Chen, Kenneth Brown
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Patent number: 8834828Abstract: A novel fine carbon fiber is produced by vapor growth, in which a graphite-net plane consisting of carbon atoms alone forms a temple-bell-shaped structural unit comprising closed head-top part and body-part with open lower-end, where an angle ? formed by a generatrix of the body-part and a fiber axis is less than 15°, 2 to 30 of the temple-bell-shaped structural units are stacked sharing a central axis to form an aggregate, and the aggregates are connected in head-to-tail style with a distance, thereby forming a fiber. Furthermore, a fine short carbon fibers with excellent dispersibility can be obtained by shortening the fine carbon fiber.Type: GrantFiled: March 5, 2009Date of Patent: September 16, 2014Assignee: Ube Industries, Ltd.Inventors: Masayuki Nishio, Tsunao Matsuura, Kenji Fukuda
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Publication number: 20140250872Abstract: An exhaust gas purifying catalyst comprises: a plurality of catalyst units which contain anchor particles that support noble metal particles; and an enclosure material that internally contains the plurality of catalyst units and separates the catalyst units from each other. Both the anchor particles and the enclosure material contain an alkali element and/or an alkaline earth element. Due to this configuration, this exhaust gas purifying catalyst is capable of maintaining the exhaust gas purification performance by suppressing agglomeration of the noble metal particles even in cases where the ambient temperature is high.Type: ApplicationFiled: August 2, 2012Publication date: September 11, 2014Applicant: NISSAN MOTOR CO., LTD.Inventors: Kazuyuki Shiratori, Yoshiaki Hiramoto, Haruhiko Shibayama
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Patent number: 8809222Abstract: An improved process for preparing a slurry catalyst for the upgrade of heavy oil feedstock is provided. In the process, high shear mixing is employed to generate an emulsion containing droplets of metal precursor in oil with droplet sizes ranging from 0.1 to 300 ?m. The emulsion is subsequently sulfided with a sulfiding agent, or in-situ in a heavy oil feedstock to form a slurry catalyst. The in-situ sulfidation in heavy oil is under sufficient condition for the heavy oil feedstock to generate the sulfiding source needed for the sulfidation.Type: GrantFiled: December 20, 2011Date of Patent: August 19, 2014Assignee: Chevron U.S.A. Inc.Inventors: Oleg Mironov, Alexander E. Kuperman, Julie Chabot, Shuwu Yang, Joseph V. Nguyen, Ling Jiao, Bruce Edward Reynolds, Axel Brait, Kenneth Kwik, Modinat Kotun
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Patent number: 8809223Abstract: A process for preparing an improved slurry catalyst for the upgrade of heavy oil feedstock is provided. The process comprises providing at least a metal precursor in solution comprising at least two different metal cations in its molecular structure, with at least one of the metal cations is a Group VIB metal cation; sulfiding the metal precursor with a sulfiding agent in solution forming a catalyst precursor; and mixing the catalyst precursor with a hydrocarbon diluent to form the slurry catalyst. In one embodiment, the at least a metal precursor comprising at least two different metal cations is prepared by combining and reacting at least one Group VIB metal compound with at least a Promoter metal compound selected from Group VIII, Group IIB, Group IIA, Group IVA metals and combinations thereof.Type: GrantFiled: December 20, 2011Date of Patent: August 19, 2014Assignee: Chevron U.S.A. Inc.Inventors: Joseph V. Nguyen, Julie Chabot, Oleg Mironov
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Patent number: 8802587Abstract: An improved process to make a slurry catalyst for the upgrade of heavy oil feedstock is provided. The sulfiding of the metal precursor/catalyst precursor is carried out at least twice (“enhanced sulfiding”) in the improved process to form a slurry catalyst with improved surface area and porosity value. The slurry catalyst under an enhanced sulfiding scheme is characterized as having increased catalytic activities over a slurry catalyst without an enhanced sulfidation step.Type: GrantFiled: December 20, 2011Date of Patent: August 12, 2014Assignee: Chevron U.S.A. Inc.Inventors: Joseph V. Nguyen, Julie Chabot, Ling Jiao, Christopher Paul Dunckley, Shuwu Yang
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Patent number: 8802586Abstract: An improved hydroprocessing slurry catalyst is provided for the upgrade of heavy oil feedstock. The catalyst comprises dispersed particles in a hydrocarbon medium with the dispersed particles have an average particle size ranging from 1 to 300 ?m. The catalyst has a total pore volume of at least 0.5 cc/g and a polymodal pore distribution with at least 80% of pore sizes in the range of 5 to 2,000 Angstroms in diameter. The catalyst is prepared from sulfiding and dispersing a metal precursor solution in a hydrocarbon diluent, the metal precursor comprising at least a Primary metal precursor and optionally a Promoter metal precursor, the metal precursor solution having a pH of at least 4 and a concentration of less than 10 wt. % of Primary metal in solution.Type: GrantFiled: December 20, 2011Date of Patent: August 12, 2014Assignee: Chevron U.S.A. Inc.Inventors: Ling Jiao, Julie Chabot, Joseph V. Nguyen, Christopher Paul Dunckley, Shuwu Yang, Erin P. Maris, Oleg Mironov, Bruce Edward Reynolds, Alexander E. Kuperman
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Patent number: 8802044Abstract: The invention relates to a filtration structure, for filtering a gas coming from a diesel engine, which is laden with gaseous pollutants of the nitrogen oxide NOx type and with solid particles, of the particulate filter type, said filtration structure being characterized in that it includes a catalytic system comprising at least one noble metal or transition metal suitable for reducing the NOx and a support material, in which said support material comprises or is made of a zirconium oxide partially substituted with a trivalent cation M3+ or with a divalent cation M?2+, said zirconium oxide being in a reduced, oxygen-sub-stoichiometric, state.Type: GrantFiled: December 16, 2009Date of Patent: August 12, 2014Assignees: Saint-Gobain Centre de Recherches et d'Etudes Europeen, Centre National de la Recherche ScientifiqueInventors: Philippe Vernoux, Abdelkader Hadjar, Agnes Princivalle, Christian Guizard
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Patent number: 8784759Abstract: The present invention relates to a nitrogen oxide storage catalyst comprising: a substrate; a first washcoat layer disposed on the substrate, the first washcoat layer comprising metal oxide support particles and a nitrogen oxide storage material comprising at least one metal compound selected from the group consisting of alkaline earth metal compounds, alkali metal compounds, rare earth metal compounds, and mixtures thereof, at least a portion of said at least one metal compound being supported on the metal oxide support particles; and a second washcoat layer disposed over the first washcoat layer, said second washcoat layer comprising Rh, wherein the first washcoat layer contains substantially no Rh, and wherein the second washcoat layer is disposed on 100-x % of the surface of the first washcoat layer, x ranging from 20 to 80.Type: GrantFiled: June 9, 2011Date of Patent: July 22, 2014Assignee: BASF SEInventor: Marcus Hilgendorff
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Patent number: 8778828Abstract: A process for preparing a slurry catalyst for the upgrade of heavy oil feedstock is provided. The process employs a pressure leach solution obtained from a metal recovery process as part of the metal precursor feed. In one embodiment, the process comprises: sulfiding a pressure leach solution having at least a Group VIB metal precursor compound in solution forming a catalyst precursor, and mixing the sulfided catalyst precursor with a hydrocarbon diluent to form the slurry catalyst. In another embodiment, the pressure leach solution is mixed with a hydrocarbon diluent under high shear mixing conditions to form an emulsion, which emulsion can be sulfided in-situ upon contact with a heavy oil feedstock in the heavy oil upgrade process.Type: GrantFiled: December 20, 2011Date of Patent: July 15, 2014Assignee: Chevron U.S.A. Inc.Inventors: Oleg Mironov, Alexander E. Kuperman, Rahul Shankar Bhaduri, Julie Chabot, Shuwu Yang, Ling Jiao, Joseph V. Nguyen, Bruce Edward Reynolds
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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: 20140187410Abstract: An oxidation catalyst includes a support including particles of an alkaline earth salt, and first particles including a palladium compound on the support. The oxidation catalyst can also include precious metal group (PMG) metal particles in addition to the first particles intermixed together on the support. A gas permeable polymer that provides a continuous phase can completely encapsulate the particles and the support. The oxidation catalyst may be used as a gas sensor, where the first particles are chemochromic particles.Type: ApplicationFiled: March 5, 2014Publication date: July 3, 2014Applicant: University of Central Florida Research Foundation, Inc.Inventor: NAHID MOHAJERI
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Patent number: 8765981Abstract: A process for producing an olefin oxide which comprises reacting an olefin with oxygen in the presence of a catalyst comprising a copper oxide and a tellurium oxide.Type: GrantFiled: December 15, 2011Date of Patent: July 1, 2014Assignee: Sumitomo Chemical Company, LimitedInventors: Yoshihiko Ohishi, Anusorn Seubsai, Selim Senkan
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Publication number: 20140179958Abstract: In one embodiment, the invention is to a process for producing a catalyst composition for converting ethanol to higher alcohols, such as butanol. The process comprises contacting magnesium carbonate with one or more metal precursors to form a catalyst intermediate and calcining the catalyst intermediate to form the catalyst composition that comprises the one or more metals and magnesium oxide. The one or more metal precursors comprises one or more metal selected from the group consists of nickel, palladium, platinum, germanium, copper, ruthenium, gallium, tin, iridium, and mixtures thereof.Type: ApplicationFiled: December 20, 2012Publication date: June 26, 2014Applicant: CELANESE INTERNATIONAL CORPORATIONInventor: Cheng Zhang