Of Group Iv (i.e., Ti, Zr, Hf, Ge, Sn Or Pb) Patents (Class 502/242)
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Publication number: 20150011385Abstract: A process for the production of olefins from at least one of an alcohol and ether, the process including: contacting at least one alcohol or ether with a hydrofluoric acid-treated amorphous synthetic alumina-silica catalyst under decomposition conditions to produce an olefin.Type: ApplicationFiled: September 8, 2014Publication date: January 8, 2015Applicant: Catalytic Distillation TechnologiesInventor: J. Yong Ryu
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Publication number: 20140378731Abstract: The present invention relates to a catalytic composition which comprises microspheroidal alumina and an active component containing a mixture comprising Gallium and/or Gallium oxides, Tin and/or Tin oxides, a quantity ranging from 1 ppm to 500 ppm with respect to the total weight of the catalytic composition of platinum and/or platinum oxides, and oxides of alkaline and/or alkaline earth metals.Type: ApplicationFiled: December 24, 2012Publication date: December 25, 2014Applicant: versalis S.p.A.Inventors: Rodolfo Iezzi, Giulio Manzini, Paolo Pollesel, Alessandro Del Seppia
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Publication number: 20140369915Abstract: Provided are a catalyst for hydrolysis and use of a titanium dioxide-based composition which are capable of removing COS and HCN simultaneously at high degradation percentages. The catalyst for hydrolysis is a catalyst for hydrolysis of carbonyl sulfide and hydrogen cyanide, having at least: an active component containing, as a main component, at least one metal selected from the group consisting of barium, nickel, ruthenium, cobalt, and molybdenum; and a titanium dioxide-based support supporting the active component.Type: ApplicationFiled: February 14, 2013Publication date: December 18, 2014Applicant: MITSUBISHI HEAVY INDUSTRIES, LTD.Inventors: Masanao Yonemura, Toshinobu Yasutake, Shuji Fujii, Koji Higashino, Makoto Susaki, Kaori Yoshida
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Publication number: 20140364304Abstract: A composite oxide and a catalyst for purifying exhaust gas using the same are provided, which oxide has excellent heat resistance, including that a large specific surface area is maintained even when the composite oxide is used in a high temperature environment, and that, even after calcination at 800° C. for 2 hours, no AECeO3 phase is detected and increase in CeO2 crystallite size is inhibited. The composite oxide contains, in terms of oxides, 50 to 98 mass % of a cerium-containing element, the cerium-containing element consisting of Ce and at least one element selected from rare earth elements other than Ce and including Y, Zr, and A1, at 85:15 to 100:0 by mass, 1 to 30 mass % of an alkaline earth metal element, and 1 to 20 mass % silicon in terms of SiO2.Type: ApplicationFiled: December 18, 2012Publication date: December 11, 2014Inventors: Emmanuel Rohart, Naotaka Ohtake
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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: 8906460Abstract: An improved composition capable of forming a translucent coating on a construction material surface comprising at least: a) photocatalytic titanium dioxide particles having at least a de-NOx activity; b) a silicon based-material in which said particles are dispersed, wherein said silicon based material includes at least one polysiloxane; and c) particles having a de-HNO3 activity selected from calcium carbonate, magnesium carbonate and mixtures thereof.Type: GrantFiled: September 18, 2009Date of Patent: December 9, 2014Assignee: Cristal USA Inc.Inventors: Graham Goodwin, John Stratton, Robert McIntyre
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Patent number: 8900536Abstract: Catalyst support materials, catalysts, methods of making such and uses thereof are described. Methods of making catalyst support material include combining anatase titania slurry with i) a low molecular weight form of silica; and ii) a source of Mo to form a TiO2—MoO3—SiO2 mixture. Catalyst support material include from about 86% to about 94% weight anatase titanium dioxide; from about 0.1% to about 10% weight MoO3; and from about 0.1% to about 10% weight SiO2. Low molecular weight forms of silica include forms of silica having a volume weighted median size of less than 4 nm and average molecular weight of less than 44,000, either individually or in a combination of two or more thereof. Catalyst include such catalyst support material with from about 0.1 to about 3% weight of V2O5 and optionally from about 0.01% to about 2.5% weight P.Type: GrantFiled: August 23, 2013Date of Patent: December 2, 2014Assignee: Cristal USA Inc.Inventors: Steve M. Augustine, David M. Chapman, Dennis F. Clark
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Publication number: 20140342902Abstract: To provide a production method of a base metal catalyst for exhaust gas purification and with a catalyst activity, in which a base metal-supported catalyst is uniformly supported by a honeycomb substrate. A production method of a catalyst for exhaust gas purification, comprising the steps of preparing a honeycomb substrate having a plurality of cells, preparing a base metal-supported catalyst comprising a carrier supporting a metal containing a base metal having an exhaust gas purification performance, preparing a slurry having a pH of 7 or more by dispersing the base metal-supported catalyst in an aqueous solution, and introducing the slurry to a partition wall surface of the honeycomb substrate.Type: ApplicationFiled: January 15, 2013Publication date: November 20, 2014Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Mayuko Osaki, Michio Miura
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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: 20140335012Abstract: An object of the invention is to provide a process for producing a supported ruthenium oxide in which silica can be efficiently supported on a titania carrier and a supported ruthenium oxide superior in thermal stability and catalyst lifetime is obtained. Another object of the present invention is to provide a process for stably producing chlorine for a longer time, by using the supported ruthenium oxide obtained by the above-described process. The invention relates to a process for producing a supported ruthenium oxide in which ruthenium oxide and silica are supported on a titania carrier, wherein a titania carrier is brought into contact with an alkoxysilane compound, followed by being dried under a stream of a water vapor-containing gas, then is subjected to a first calcination under an atmosphere of an oxidizing gas, followed by being brought into contact with a ruthenium compound, and then is subjected to a second calcination under an atmosphere of an oxidizing gas.Type: ApplicationFiled: December 5, 2012Publication date: November 13, 2014Inventor: Junichi Nishimoto
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Patent number: 8883667Abstract: A purification catalyst which prevents contamination within a reflow furnace, including flux components, while suppressing the generation of CO is provided. A purification catalyst for a reflow furnace gas, having one or two of zeolite and silica-alumina as an active ingredient.Type: GrantFiled: October 10, 2007Date of Patent: November 11, 2014Assignee: Nikki-Universal Co., Ltd.Inventors: Yoshiki Nakano, Takanobu Sakurai, Shinichi Ueno
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Publication number: 20140329668Abstract: A NOx removal catalyst for high-temperature flue gas according to the present invention is a NOx removal catalyst for high-temperature flue gas that contains nitrogen oxide in which tungsten oxide with the number of molecular layers of tungsten oxide (WO3) being five or less is supported on a complex oxide carrier containing titanium oxide. Even when high-temperature denitration is continued, a bonding force with a carrier of WO3 can be properly maintained and volatilization can be suppressed while maintaining a high NOx removal performance. For example, the NOx removal catalyst is particularly suitable for reducing and removing nitrogen oxide contained in high-temperature gas discharged from a thermal power plant and a high-temperature boiler.Type: ApplicationFiled: July 16, 2014Publication date: November 6, 2014Applicant: MITSUBISHI HEAVY INDUSTRIES, LTD.Inventors: Katsumi Nochi, Toshinobu Yasutake, Masanao Yonemura
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Publication number: 20140329670Abstract: A construction material mixture used as a concrete additive contains a puzzolanic substrate and a photocatalyst. The puzzolanic substrate and the photocatalyst are available in the form of a dry mixture. The construction material mixture is a cement free dry mixture, wherein the photocatalyst has a primary particle size of between 2 nm and 100 nm. The puzzolanic substrate consists of at least 90 weight % of fly ash with a grain size of between 0.1 ?m and 1 mm. The substrate and the photocatalyst are available completely mixed so that the photocatalyst is at least partially distributed on the surface of the substrate.Type: ApplicationFiled: November 15, 2012Publication date: November 6, 2014Applicants: KRONOS INTERNATIONAL, INC., STEAG POWER MINERALS GMBHInventors: Werner Krohm, Jurgen Bender, Christian Scheidt
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Publication number: 20140315710Abstract: A process for producing aromatic hydrocarbons which comprises (a) contacting one or more lower alkanes with a dehyroaromatization aromatic catalyst which is comprised of 0.005 to 0.1% wt platinum, not more than 0.2% wt of an amount of an attenuating metal wherein the amount of platinum is not more than about 0.02% wt more than the amount of the attenuating metal, from about 10 to about 99.9% wt of an aluminosilicate, and a binder, and (b) separating methane, hydrogen, and C2-5 hydrocarbons from the reaction products of step (a) to produce aromatic reaction products including benzene.Type: ApplicationFiled: July 2, 2014Publication date: October 23, 2014Inventors: Ann Marie LAURITZEN, Ajay Madhav MADGAVKAR
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Publication number: 20140309103Abstract: Provided is a visible-light-responsive titanium oxide microparticle dispersion or the like readily enabling manufacture of a highly transparent photocatalyst thin film demonstrating photocatalyst activity even using visible light alone, and having exceptional titanium oxide microparticle dispersion stability even after storage for prolonged periods of time in cold and dark interior locations. The present invention makes it possible to: produce a peroxotitanic acid solution containing vanadium and a tin compound from a titanium compound, a vanadium compound, a tin compound, a basic substance, hydrogen peroxide, and an aqueous dispersion medium as starting materials; subject the peroxotitanic acid solution to a hydrothermal reaction under high pressure; subsequently admix a copper compound into the acid solution; and obtain a visible-light-responsive titanium oxide microparticle dispersion or the like.Type: ApplicationFiled: October 10, 2012Publication date: October 16, 2014Inventors: Manabu Furudate, Tomohiro Inoue, Yoshitsugu Eguchi, Tadashi Amano
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Publication number: 20140296060Abstract: The invention provides a photocatalytic structure comprising a carrier and a photocatalytic film formed on the carrier, in which the photocatalytic film comprises titanium dioxide with shape of rhombus particles. The titanium dioxide particle has anatase structure. The titanium dioxide particle is rhombus with a major axis 10-15 nm and minor axis 3-6 nm. The photocatalytic film which is formed by titanium dioxide with shape of rhombus particles has a high overall photocatalytic activity so that the effects of stainproofing and self-cleaning can be improved. The invention also relates to a method for manufacturing photocatalytic sol-gels.Type: ApplicationFiled: March 28, 2014Publication date: October 2, 2014Applicant: JM MATERIAL TECHNOLOGY INC.Inventor: Yu-Wen CHEN
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Publication number: 20140296605Abstract: The invention relates to a catalyst composition suitable for the non-oxidative dehydrogenation of alkanes having 2-8 carbon atoms comprising silico-zinc aluminate, wherein the relative molar ratios of the elements comprised in said composition are represented by SixZn1-xAl2O4, wherein x stands for a number in the range from 0.003 to 0.76. The invention also relates to a process for the preparation of said catalyst composition, to a process for the non-oxidative dehydrogenation of alkanes, preferably isobutane using said catalyst and to the use of said catalyst in a process for the non-oxidative dehydrogenation of alkanes.Type: ApplicationFiled: September 27, 2013Publication date: October 2, 2014Applicant: SAUDI BASIC INDUSTRIES CORPORATIONInventors: Subhash Chandra Laha, Antonisamy Selvanathan, Sandeep Negi
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Publication number: 20140286855Abstract: A catalyst comprising: a platinum group metal, silver, gold, or a mixture thereof, and a carrier containing an oxide other than zirconium oxide and a precipitate layer of zirconium oxide onto the oxide other than zirconium oxide, as well as their uses in production of hydrogen peroxide. A process for producing hydrogen peroxide, comprising reacting hydrogen and oxygen in the presence of such catalyst in a reactor, and a process for producing such catalyst.Type: ApplicationFiled: October 26, 2012Publication date: September 25, 2014Inventors: Frédérique Desmedt, Paul Deschrijver, Yves Vlasselaer, Francine Janssens
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Patent number: 8841498Abstract: The present invention relates to a catalyst for the hydrogenation of unsaturated hydrocarbons, in particular aromatics with a broad molecular weight range, a process for the production thereof and a process for hydrogenating unsaturated hydrocarbons.Type: GrantFiled: July 18, 2013Date of Patent: September 23, 2014Assignee: Shell Oil CompanyInventors: Peter Birke, Reinhard Geyer, Jurgen Hunold, Peter Kraak, Rainer Schoedel
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Patent number: 8841232Abstract: The present disclosure generally relates to an advanced ceramic catalyst made by metal oxides dispersed in refractory ceramics and the process of making same. The advanced ceramic catalyst is capable of significantly lowering carbon foot prints and noxious emissions by generating the same heat energy with much lower quantity of fuel such as of natural gas, propane and other gaseous hydrocarbons. A process of making such a catalyst from inexpensive combination of metal oxide prepared in solution to have many oxygen lattice defects and particle size distribution selected from nanometer to millimeter range which can provide a huge surface area for combustion reaction thus lowering the activation energy of combustion.Type: GrantFiled: December 13, 2013Date of Patent: September 23, 2014Inventors: Lucian Borduz, Dumitru Tuclea, Stefan Borduz
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Publication number: 20140275457Abstract: A method comprising contacting a support material with a transition metal compound to produce a mixture; thermally treating the mixture in the presence of oxygen at a temperature in a range of from about 100° C. to about 500° C. for a period of from about 1 hour to about 10 hours, wherein at least a portion of the transition metal sublimes onto the support material to produce a support material comprising a dispersed transition metal; and thermally treating the support material comprising the dispersed transition metal in an oxidizing atmosphere at a temperature in a range of from about 550° C. to about 900° C. for a period of from about 1 hour to about 10 hours to produce a polymerization catalyst.Type: ApplicationFiled: March 13, 2013Publication date: September 18, 2014Inventors: Max P. MCDANIEL, Kathy S. COLLINS, Eric D. SCHWERDTFEGER, Alan L. SOLENBERGER
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Publication number: 20140271435Abstract: Catalysed filter consisting of a filter body of bio-soluble fibres catalysed with a catalyst comprising oxides of vanadium and titanium, wherein the total concentration of alkali metals in the filter body is less than 3000 ppm by weight and/or the total concentration of earth alkali metals in the filter body is less than 20% by weight.Type: ApplicationFiled: March 13, 2014Publication date: September 18, 2014Applicant: Haldor Topsoe A/SInventors: Francesco Castellino, Joakim Reimer Thogersen, Peter Schoubye
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Patent number: 8815194Abstract: A NOx removal catalyst for high-temperature flue gas according to the present invention is a NOx removal catalyst for high-temperature flue gas that contains nitrogen oxide in which tungsten oxide with the number of molecular layers of tungsten oxide (WO3) being five or less is supported on a complex oxide carrier containing titanium oxide. Even when high-temperature denitration is continued, a bonding force with a carrier of WO3 can be properly maintained and volatilization can be suppressed while maintaining a high NOx removal performance. For example, the NOx removal catalyst is particularly suitable for reducing and removing nitrogen oxide contained in high-temperature gas discharged from a thermal power plant and a high-temperature boiler.Type: GrantFiled: October 6, 2009Date of Patent: August 26, 2014Assignee: Mitsubishi Heavy Industries, Ltd.Inventors: Katsumi Nochi, Toshinobu Yasutake, Masanao Yonemura
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Publication number: 20140213429Abstract: In a NOx removal catalyst used for removing nitrogen oxides in flue gas, when a silica (Si) component as an inhibitor that causes an increase in a SO2 oxidation rate accumulates on a surface of the catalyst, the silica component accumulating on the surface of the catalyst is dissolved, thereby regenerating the catalyst. Accordingly, the inhibitor such as the silica component covering the surface of the NOx removal catalyst can be removed, thereby enabling to provide a catalyst without having an increase in the SO2 oxidation rate of the regenerated NOx removal catalyst.Type: ApplicationFiled: September 5, 2012Publication date: July 31, 2014Applicant: MITSUBISHI HEAVY INDUSTRIES, LTD.Inventors: Katsumi Nochi, Masashi Kiyosawa
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Patent number: 8791280Abstract: This invention relates to catalyst carriers to be used as supports for metal and metal oxide catalyst components of use in a variety of chemical reactions. More specifically, the invention provides a process of formulating an alpha alumina carrier that is suitable as a support for silver and the use of such catalyst in chemical reactions, especially the epoxidation of ethylene to ethylene oxide. The composition comprises at least one hydrated precursor of alpha alumina; an optional alpha alumina; and a binder. The composition is substantially free of seeding particles.Type: GrantFiled: August 10, 2005Date of Patent: July 29, 2014Assignee: SD Lizenzverwertungsgesellschaft mbH & Co. KGInventor: Nabil Rizkalla
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Publication number: 20140206527Abstract: An object of the present invention is to provide a catalyst for glycerin dehydration reaction for producing unsaturated aldehyde and unsaturated carboxylic acid at higher yield by a dehydration reaction of glycerin, and that can reduce a decrease in time of the conversion ratio of glycerin and the yields of unsaturated aldehyde and of unsaturated carboxylic acid. Another object of the present invention is to provide a catalyst for glycerin dehydration reaction that can produce acrolein and acrylic acid at higher yield by the dehydration reaction of glycerin, and the catalyst has a longer life. Still another object of the present invention is to provide a method for preparing the catalysts above.Type: ApplicationFiled: July 30, 2012Publication date: July 24, 2014Applicant: NIPPON KAYAKU KABUSHIKI KAISHAInventors: Kimito Okumura, Yasushi Kobayashi, Ryota Hiraoka, Jean-Luc Dubois
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Publication number: 20140206529Abstract: Provided are an apparatus and method for preparing a silica-titania catalyst. The apparatus for preparing a silica-titania catalyst, comprising: precursor supplying units; an oxygen supplying line; a reaction unit; and a recovering unit, wherein the precursor supplying units vaporize a silica precursor and titania precursor and supply them to the reaction unit, wherein the oxygen supplying line supplies an oxygen source to the reaction unit, wherein the reaction unit converts vaporizates of the silica precursor and titania precursor supplied from the precursor supplying units to produce a silica-titania catalyst, wherein the recovering unit cools, condenses and collects the silica-titania catalyst produced at the reaction unit, wherein the recovering unit comprises a cooler for cooling the silica-titania catalyst introduced from the reaction unit, and the cooler comprises a turbulence-forming section on a flow path of the silica-titania catalyst.Type: ApplicationFiled: June 11, 2013Publication date: July 24, 2014Inventors: Jongsoo JURNG, Sung Min CHIN, Eun-seuk PARK, Min-su KIM
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Patent number: 8772194Abstract: The present invention provides a method for preparing a large-sized titanium-silicalite molecular sieve, and a method for preparing cyclohexanone oxime using the large-sized titanium-silicalite molecular sieve. The method for preparing a large-sized titanium-silicalite molecular sieve includes preparing a mixture of a titanium source, a silicon source and a template agent; heating the mixture to form a gel mixture; mixing a colloidal silica with the gel mixture; heating the gel mixture mixed with the colloidal silica in a water bath; and calcining the gel mixture mixed with the colloidal silica. In the present invention, the average particle size of the large-sized titanium-silicalitem molecular sieve is more than 10 um, and the particle size distribution is centralized, so as to avoid the formation of titanium-oxygen-titanium bonding. The method for preparing cyclohexanone oxime using the large-sized titanium-silicalite molecular sieve results in high conversion rate, high selectivity and easy recovery.Type: GrantFiled: January 6, 2012Date of Patent: July 8, 2014Assignee: China Petrochemical Development Corporation, Taipei (Taiwan)Inventors: Shih-Yao Chao, Cheng-Fa Hsieh, Chien-Chang Chiang, Ya-Ping Chen, Pin-To Yao
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Patent number: 8772192Abstract: A catalyst and its preparation and use are disclosed. The catalyst is a silicalite having germanium (Ge) included within the framework of the silicalite prepared in a particular manner. The catalyst may be used in a method of converting hydrocarbons wherein a hydrocarbon feed is contacted with the catalyst. The catalyst may be formed by preparing an aqueous reaction mixture of a silica-containing silicalite precursor material and a germanium source. The reactants of the reaction mixture are allowed to react. The reacted reaction mixture is heated under conditions to form crystals of a silicalite having germanium included within the framework of the silicalite. The crystals are then calcined to form the catalyst. In certain embodiments, a noble metal may be deposited upon the germanium-containing silicalite.Type: GrantFiled: June 29, 2012Date of Patent: July 8, 2014Assignee: Saudi Basic Industries CorporationInventors: Alla Khanmamedova, Scott Stevenson, Dustin Farmer, Mike Mier
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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: 20140187415Abstract: Provided are: a complex oxide that exhibits high redox ability even at low temperatures, has excellent heat resistance, and stably retains these characteristics even on repeated oxidation and reduction at high temperature; a method for producing the same; and an exhaust gas purification catalyst. The inventive complex oxide contains Ce; rare earth metal element other than Ce, including Y; Al and/or Zr; and Si; such that the Ce, and said other elements other than Ce and Si, are present in a mass ratio of 85:15-99:1, calculated as oxides; and has a characteristic such that when it is subjected to temperature-programmed reduction (TPR) measurement in a 10% hydrogen-90% argon atmosphere at from 50° C. to 900° C. with the temperature increasing at a rate of 10° C./min, followed by oxidation treatment at 500° C. for 0.5 hours, and then temperature-programmed reduction measurement is performed again, its calculated reduction rate at and below 400° C. is at least 2.0%.Type: ApplicationFiled: May 28, 2012Publication date: July 3, 2014Applicant: RHODIA OPERATIONSInventors: Naotaka Ohtake, Keiichiro Mitsuoka, Kazuhiko Yokota
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Patent number: 8765630Abstract: A catalyst for the manufacture of alkylene oxide, for example ethylene oxide, by the vapor-phase epoxidation of alkene containing impregnated silver and at least one efficiency-enhancing promoter on an inert, refractory solid support, said support incorporating a sufficient amount of zirconium component (present and remaining substantially as zirconium silicate) as to enhance at least one of catalyst activity, efficiency and stability as compared to a similar catalyst which does not contain the zirconium component.Type: GrantFiled: February 25, 2010Date of Patent: July 1, 2014Inventors: Juliana G. Serafin, Albert C. Liu, Seyed R. Seyedmonir, Hwaili Soo, Thomas Szymanski
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Patent number: 8765624Abstract: A coating suspension for coating catalyst substrates comprises at least two different particulate metal and/or semi-metal oxides with a sedimentation mass (MS), characterized in that the sedimentation mass (MS) of the particulate metal and/or semi-metal oxide with the smallest sedimentation mass is between 70% and 100% of the sedimentation mass of the particulate metal and/or semi-metal oxide with the largest sedimentation mass. Further, a method for producing a coating suspension, the use of the coating suspension to coat a catalyst substrate, as well as a catalyst produced using the coating suspension are disclosed.Type: GrantFiled: May 25, 2012Date of Patent: July 1, 2014Assignee: Sued-Chemie IP GmbH & Co. KGInventors: Ulrich Meyer, Olaf Helmer, Sascha Podehl
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Patent number: 8758599Abstract: One exemplary embodiment can be 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, a lanthanide-series metal including one or more elements of atomic numbers 57-71 of the periodic table, and a support. Generally, an average bulk density of the catalyst is about 0.300-about 0.620 gram per cubic centimeter, and an atomic ratio of the lanthanide-series metal:noble metal is less than about 1.3:1. Moreover, 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 about two times a concentration of the lanthanide-series metal at a central core of the catalyst.Type: GrantFiled: July 15, 2011Date of Patent: June 24, 2014Assignee: UOP LLCInventors: Mark Paul Lapinski, Paul Barger
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Patent number: 8753998Abstract: The present invention provides a method for preparing a titanium-silicalite molecular sieve, and a method for preparing cyclohexanone oxime using the titanium-silicalite molecular sieve. The method for preparing a titanium-silicalite molecular sieve includes the steps of preparing a mixture of a titanium source, a silicon source and a template agent, wherein the titanium source has a structure of formula (I); heating the mixture to form a gel mixture; mixing the gel mixture with water; heating the gel mixture mixed with the water in a water bath; and calcining the gel mixture mixed with the water. The method using the titanium-silicalite molecular sieve for preparing cyclohexanone oxime results in high conversion rate and high selectivity.Type: GrantFiled: January 6, 2012Date of Patent: June 17, 2014Assignee: China Petrochemical Development Corporation, Taipei (Taiwan)Inventors: Chien-Chang Chiang, Cheng-Fa Hsieh, Pin-To Yao, Shih-Yao Chao
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Publication number: 20140155257Abstract: The invention relates to a method of production of catalyst particles, comprising platinum and tin and also at least one further element, selected from lanthanum and cesium, on zirconium dioxide as support, comprising the steps: preparation of one or more solutions containing precursor compounds of Pt, Sn and at least one further element of La or Cs and also ZrO2, converting the solution(s) to an aerosol, bringing the aerosol into a directly or indirectly heated pyrolysis zone, carrying out pyrolysis, and separation of the particles formed from the pyrolysis gas. Suitable precursor compounds comprise zirconium(IV) acetylacetonate, lanthanum(II) acetylacetonate and cesium acetate, hexamethyldisiloxane, tin 2-ethylhexanoate, platinum acetylacetonate, zirconium(IV) propylate in n-propanol and lanthanum(II) acetylacetonate. The invention also relates to the catalyst particles obtainable using the method according to the invention, and to the use thereof as dehydrogenation catalysts.Type: ApplicationFiled: February 4, 2014Publication date: June 5, 2014Applicant: BASF SEInventors: Stefan Hannemann, Dieter Stützer, Goetz-Peter Schindler, Peter Pfab, Frank Kleine Jäger, Dirk Großschmidt
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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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Patent number: 8722821Abstract: The method of making polyolefin with a silicon nitride nano-filler uses silicon nitride (SiN) as a promoter for in situ polymerization with a zirconocene catalyst. The method includes adding the bis(cyclopentadienyl) zirconium dichloride catalyst and nanoparticles of silicon nitride to a reactor. The reactor is then charged with toluene and a methylaluminoxane co-catalyst, and is heated for a period of time sufficient to bring the reactor to a polymerization reaction temperature. Nitrogen gas is removed from the reactor following the heating, and then ethylene monomer is fed into the reactor, initiating polymerization. The polymerization is then quenched, and non-reacted monomer is vented. The polyolefin product is then removed from the reactor, washed and dried.Type: GrantFiled: March 18, 2013Date of Patent: May 13, 2014Assignee: King Fahd University of Petroleum and MineralsInventors: Mamdouh Ahmed Al-Harthi, Omer Bin Sohail, Sadhan Kumar De, Masiullah Jabarullah Khan
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Patent number: 8709341Abstract: An air purifying system includes one or more air permeable photocatalytic elements defining a core cavity having a sealed top end and an open bottom end. A sealed air flow path ensures that air travels from an outside of the core cavity, through the one or more photocatalytic elements, into the core cavity, to be expelled through the open bottom end. A UV radiation source disposed within the core cavity irradiates air travelling along the sealed flow path and an interior of the one or more photocatalytic elements. Each photocatalytic element is manufactured using a substrate, that is conductive of and transparent to UV radiation, coated with a photocatalyst. A non-photocatalytically active material is initially coated on the substrate and is then converted to a photocatalyst by calcination.Type: GrantFiled: June 21, 2010Date of Patent: April 29, 2014Assignee: Morphic Envirotech Inc.Inventors: Edwin David Day, Bernard K Deschner
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Publication number: 20140113806Abstract: A catalyst support body containing an SiO2-containing material and a metal selected from the group consisting of alkali metals, alkaline earth metals, rare earth metals and mixtures thereof, wherein the total metal content lies in the range of from 0.5 to 10 wt.-%, relative to the total weight of the catalyst support. Also, a catalyst that comprises a catalyst support body according to the invention and a catalytically active metal, in particular palladium and/or gold. Also, a method for producing a catalyst support, wherein an SiO2-containing material is treated with a metal-containing compound, dried and then calcined. Also, a method for producing a catalyst, in which a solution having a precursor compound of a catalytically active metal is applied to a catalyst support body.Type: ApplicationFiled: April 25, 2012Publication date: April 24, 2014Applicant: Clariant Produkte (Deutschland) GmbhInventors: Alfred Hagemeyer, Gerhard Mestl, Peter Scheck, Peter Bauer, Andreas Pritzl
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Publication number: 20140113807Abstract: An exhaust emission control catalyst disclosed herein is equipped with a rhodium catalytic layer and a platinum catalytic layer, and is characterized in that a relationship between a mole average (X) of a Pauling's electronegativity that is calculated as to elements included in the rhodium catalytic layer except platinum group elements and oxygen and a mole average (Y) of a Pauling's electronegativity that is calculated as to elements included in the platinum catalytic layer except platinum group elements and oxygen is 1.30?X?1.45 and 1.47?Y?2.0. According to this exhaust emission control catalyst, an interlayer transfer of platinum and/or rhodium and the alloying of platinum and/or rhodium are suppressed during use of the catalyst, and high exhaust gas purification performance can be exerted.Type: ApplicationFiled: May 31, 2012Publication date: April 24, 2014Inventor: Yoshihide Segawa
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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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Publication number: 20140106260Abstract: Core-shell nanoparticulate compositions and methods for making the same are disclosed. In some embodiments core-shell nanoparticulate compositions comprise transition metal core encapsulated by metal oxide shell. Methods of catalysis comprising core-shell nanoparticulate compositions of the invention are disclosed. Compositions comprising core-shell nanoparticles displayed on a metal-oxide support and methods for preparing the same are also disclosed. In some embodiments compositions comprise core-shell nanoparticles displayed as a substantially single layer superposed on a metal oxide support. Methods of catalysis employing the supported core-shell nanoparticles are disclosed.Type: ApplicationFiled: October 3, 2013Publication date: April 17, 2014Applicant: THE TRUSTEES OF THE UNIVERSITY OF PENNSYLVANIAInventors: MATTEO CARGNELLO, RAYMOND J. GORTE, PAOLO FORNASIERO
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Publication number: 20140106961Abstract: Provided is a photocatalytic coating film that can develop excellent photocatalytic activity and exhibit superior adhesion to an adherend surface. The photocatalytic coating film is obtained by applying and drying a photocatalytic coating composition containing at least rod-like or needle-like titanium oxide particles and a binder component so that the photocatalytic coating film contains the titanium oxide particles in a content of 0.5 g/m2 or more. The photocatalytic coating film contains the titanium oxide particle in a content per unit volume (1 m2 by 1 ?m thick) of less than 3.0 g. The titanium oxide particles preferably have an aspect ratio of 1.5 or more, the aspect ratio specified as the ratio of a long side length to a short side length of particle. The compositional ratio (by weight) of the titanium oxide particles to the binder component in the photocatalytic coating film is preferably from 1:6 to 30:1.Type: ApplicationFiled: June 6, 2012Publication date: April 17, 2014Applicant: DAICEL CORPORATIONInventors: Toru Nakai, Yoshinori Funaki, Toshikazu Nakamura
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Publication number: 20140100105Abstract: A method for manufacturing a microparticulate anatase or rutile titanium oxide dispersion from a peroxotitanic acid solution optionally containing tin, wherein the method for manufacturing an anatase or rutile titanium oxide dispersion is characterized in that the peroxotitanic acid solution is fed continuously to a flow reactor and subjected to hydrothermal treatment at 150 to 250° C. and 0.5 to 10 MPa. The invention makes it possible to provide a method for manufacturing a microparticulate anatase or rutile titanium oxide dispersion having excellent stability in regard to the titanium oxide microparticles and enabling a high-transparency photocatalytic thin film to be produced, and to provide a member having a photocatalytic thin film formed on the surface using this dispersion.Type: ApplicationFiled: May 10, 2012Publication date: April 10, 2014Applicant: SHIN-ETSU CHEMICAL CO., LTD.Inventors: Manabu Furudate, Tomohiro Inoue, Shiro Takahashi, Yoshitsugu Eguchi, Tadashi Amano
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Publication number: 20140088206Abstract: The invention relates to improvements in the design of Fischer-Tropsch catalysts comprising a support and cobalt on the support. A first aspect is the modification of the silica support with at least 11 wt % titania to prevent the formation of cobalt silicates, thereby limiting the deactivation resulting from the silicate formation. A second aspect is the provision of C03O4 particles highly dispersed on the catalyst support with an average particle diameter of the cobalt oxide particle of less than 12 nm in order to improve catalytic activity and selectivity.Type: ApplicationFiled: February 7, 2012Publication date: March 27, 2014Applicant: OXFORD CATALYSTS LIMITEDInventors: Frank Daly, Laura Richard, Sreekala Rugmini
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Patent number: 8680005Abstract: The invention relates to a method of production of catalyst particles, comprising platinum and tin and also at least one further element, selected from lanthanum and cesium, on zirconium dioxide as support, comprising the steps: preparation of one or more solutions containing precursor compounds of Pt, Sn and at least one further element of La or Cs and also ZrO2, converting the solution(s) to an aerosol, bringing the aerosol into a directly or indirectly heated pyrolysis zone, carrying out pyrolysis, and separation of the particles formed from the pyrolysis gas. Suitable precursor compounds comprise zirconium(IV) acetylacetonate, lanthanum(II) acetylacetonate and cesium acetate, hexamethyldisiloxane, tin 2-ethylhexanoate, platinum acetylacetonate, zirconium(IV) propylate in n-propanol and lanthanum(II) acetylacetonate. The invention also relates to the catalyst particles obtainable using the method according to the invention, and to the use thereof as dehydrogenation catalysts.Type: GrantFiled: January 24, 2012Date of Patent: March 25, 2014Assignee: BASF SEInventors: Stefan Hannemann, Dieter Stützer, Goetz-Peter Schindler, Peter Pfab, Frank Kleine Jäger, Dirk Groβschmidt
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Publication number: 20140080695Abstract: Provided are an exhaust gas treatment catalyst for denitrifying an exhaust gas including sulfur oxides and vanadium discharged from a heavy oil combustion boiler, including: a support comprising any one or all of titanium oxide and silica wherein a content of silica is from 10% to 20%, and an active component supported in the support and comprising one selected from the group consisting of vanadium and tungsten.Type: ApplicationFiled: September 4, 2013Publication date: March 20, 2014Applicant: MITSUBISHI HEAVY INDUSTRIES, LTD.Inventors: Katsumi Nochi, Masanao Yonemura, Masanori Demoto, Masashi Kiyosawa
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Publication number: 20140080019Abstract: The disclosure provides a material with the general formula Sr1-xAxSi1-yGeyO3-0.5x, wherein A is K or Na, including mixtures thereof, and wherein 0?y?1 and 0?x?0.4. In a specific embodiment, 0?y?0.5. In another specific embodiment, 0?y?0.1 and 0?x?0.4. In another specific embodiment 0.9?y?1 and 0?x?0.25. The material may be a single-phase polycrystalline solid having a monoclinic crystal structure. The material may have an oxide-ion conductivity (?o) greater than or equal to 10?2 S/cm at a temperature of at least 500° C. The material may be formed into a planar or tubular membrane or a composite with another solid member. The material may be used as the electrolyte in a fuel cell or a regenerative or reverse fuel cell, as an oxygen sensor, or as an oxygen separation membrane. The material may also be used as a catalyst for oxidation of an olefin or for other purposes where oxide-ion conductivity is beneficial.Type: ApplicationFiled: August 13, 2013Publication date: March 20, 2014Applicant: Board of Regents, The University of Texas SystemInventors: John B. Goodenough, Preetam Singh
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Patent number: 8673806Abstract: 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: GrantFiled: January 7, 2010Date of Patent: March 18, 2014Assignee: W.R. Grace & Co.-Conn.Inventors: Stephen R. Schmidt, David M. Chapman, Manoj M. Koranne, Michael D. Jensen