Entries |
Document | Title | Date |
20080254977 | Catalyst For Exhaust Gas Purification and Exhaust Gas Purification Apparatus - A catalyst for exhaust gas purification is provided that can not only efficiently and simultaneously purify nitrogen oxides, hydrocarbons and carbon monoxide in exhaust gas emitted from internal combustion engines such as those of automobiles even at lower temperatures, but also exhibits higher durability. The coexistence of a complex oxide that includes a rare earth element and palladium, a rare earth oxide, and a perovskite-type complex oxide that is expressed by the general formula LnAlO | 10-16-2008 |
20080254978 | EXHAUST GAS PURIFYING CATALYST AND METHOD OF PRODUCING THE SAME - Disclosed is an exhaust gas purifying catalyst exhibiting excellent purification performance for a long period of time by suppressing coagulation of a noble metal. A catalyst powder comprises a noble metal and first and second compounds. In the catalyst powder, the first compound carries the noble metal and is separated from another first compound carrying a noble metal by the second compound. At least one catalyst layer comprising the catalyst powder is formed on an inner surface of a substrate. The catalyst layer has fine pores. A fine pore volume of fine pores having a fine pore diameter of greater than 0.1 μm to less than or equal to 1 μm is 10% to 60% of the fine pore volume of fine pores having a fine pore diameter of 0.1 μm or less. | 10-16-2008 |
20080261806 | CATALYST SUPPORTING HONEYCOMB AND METHOD OF MANUFACTURING THE SAME - A catalyst supporting honeycomb includes a pillar-shaped honeycomb structure and catalyst particles supported on the honeycomb structure. The honeycomb structure includes cell walls extending in a longitudinal direction of the honeycomb structure to define a plurality of cells extending in the longitudinal direction. The plurality of cells include large-volume cells having first opening ends and second closing ends opposite to the first opening ends along the longitudinal direction, and small-volume cells having first closed ends and second opening ends opposite to the first closed ends along the longitudinal direction. Total cross sectional areas of the large-volume cells on a plane perpendicular to the longitudinal direction are larger than total cross sectional areas of the small-volume cells on the plane. The catalyst particles include an oxide catalyst having an average particle diameter of at least about 0.05 μm and at most about 1.00 μm. | 10-23-2008 |
20080305948 | METHOD FOR PRODUCING CATALYTICALLY-ACTIVE MATERIALS - A method for producing a catalytically-active material having at least one base component and at least one catalytically-active component in which the at least one base component is heated to a softening or melting temperature to form a softened or molten base component. While the base component is in the softened or molten state, at least one catalytically-active component is incorporated into or onto the base component, forming the catalytically-active material. In accordance with one embodiment, a catalyst precursor is introduced into the base component and subsequently transformed to a catalytically-active component. | 12-11-2008 |
20080318769 | Catalyst and Method for Manufacturing Catalyst for Use in Exhaust Emission Control - A catalyst ( | 12-25-2008 |
20080318770 | Exhaust Gas-Purifying Catalyst - An exhaust gas-purifying catalyst ( | 12-25-2008 |
20080318771 | PARTICULATE MATTER (PM) OXIDIZING CATALYST - A particulate matter oxidizing catalyst includes: at least one metal selected from the group consisting of: gallium, manganese, iron, cobalt, nickel, copper, yttrium, zirconium, niobium, molybdenum, silver, lanthanum, praseodymium, neodymium and gold; and cerium, wherein a first oxide includes: the cerium, and a first metal which is at least one element selected from the group consisting of: gallium, manganese, iron, cobalt and nickel, wherein a second oxide includes: the cerium, and a second metal which is at least one element selected from the group consisting of: praseodymium, zirconium and aluminum, and wherein the second oxide and the first oxide have a content ratio of second oxide/(first oxide+second oxide)=0.1 by mass to 0.8 by mass. | 12-25-2008 |
20090005241 | Purification Catalyst for Exhaust Gas, Production Method Therefor, and Purification Catalyst Equipment for Exhaust Gas - A purification catalyst for exhaust gas which exhibits satisfactory performance even at a low temperature operation of starting or idling of engine (not more than 400° C.), and a production method therefor are provided. | 01-01-2009 |
20090062116 | Vermiculite supported catalyst for CO preferential oxidation and the process of preparing the same - A vermiculite supported catalyst for carbon monoxide (CO) preferential oxidation (PROX) is disclosed. The CO PROX catalyst comprises at least one catalytic agent, one optional modifier agent, one carrier material, and a vermiculite support. The process for preparing the vermiculite supported catalyst in this invention includes depositing first the carrier material on a vermiculite support followed by calcination to form the carrier-containing support, and wet impregnating the catalytic agent and the optional modifier agent on the carrier-containing support followed by drying and calcination to form the CO preferential oxidation catalyst. | 03-05-2009 |
20090088320 | EXHAUST GAS PURIFYING CATALYST AND PRODUCTION METHOD THEREOF - An exhaust gas purifying catalyst including: a plurality of first compounds | 04-02-2009 |
20090099011 | Catalyst for Emission Gas Purification - A catalyst | 04-16-2009 |
20090099012 | CATALYST-SUPPORTED PARTICULATE - A catalyst layer formed on the walls of exhaust gas channels in a particulate filter contains a catalyst material in the form of secondary particles, each secondary particle being formed so that at least two kinds of primary particles selected from the group consisting of primary particles of activated alumina, primary particles of a Zr-based mixed oxide and primary particles of a Ce-based mixed oxide are mixed and cohere together. Each of the primary particles of the Zr-based mixed oxide contains Zr and a rare earth metal Z other than Ce and each of the primary particles of the Ce-based mixed oxide contains Ce, Zr and a rare earth metal R other than Ce. | 04-16-2009 |
20090099013 | INORGANIC OXIDE AND CATALYST FOR PURIFICATION OF EXHAUST GAS OBTAINED BY USING THE SAME - A particulate inorganic oxide contains an aluminum oxide, a metal oxide forming no composite oxide with an aluminum oxide, and at least one additional element selected from the group consisting of rare earth elements and alkaline earth elements. In the inorganic oxide, a percentage content of the additional element to a total amount of aluminum in the aluminum oxide, a metal element in the metal oxide, and the additional element is in a range from 1.1 at % to 8.0 at % in terms of element content. At least 80% of primary particles in the inorganic oxide have a particle diameter of 100 nm or smaller. At least a part of the primary particles have a surface concentrated region where a percentage content of the additional element is locally increased in a surface layer part thereof. The content of the additional element in the surface concentrated region to a whole amount of the inorganic oxide is in a range from 0.06% by mass to 0.98% by mass in terms of oxide amount. | 04-16-2009 |
20090105069 | Structure Having Strong Contact With Solid Particles, Substrate Having Strong Contact With Solid Particles, And Manufacturing Methods Thereof - A structure having strong contact with solid particles comprising an assembly formed by secondary aggregation which is further aggregation of aggregates each formed by primary aggregation of primary particles each made of a metal and/or a metal oxide, wherein an average primary particle diameter of the primary particles is in a range from 1 to 100 μm, and, among void pores formed by the aggregates, a volume of void pores having pore diameters in a range within ±50% away from an average void pore diameter of the void pores is equal to or above 60% of a total volume of the void pores. | 04-23-2009 |
20090105070 | Catalyst for Purification of Exhaust Gas - A catalyst for purification of exhaust gas, comprising:
| 04-23-2009 |
20090111688 | Exhaust Gas Purifying Catalyst and Production Method Thereof - An object is to maintain an effect of enhancing activity of noble metal particles by transition metal without increasing production cost and an environmental load. | 04-30-2009 |
20090118119 | WATER GAS SHIFT CATALYST - A water gas shift catalyst comprising a precious metal deposited on a support, wherein the support is prepared from a mixture comprising a low surface area material, such as an aluminate, particularly a hexaaluminate, and a high surface area material, such as a mixed metal oxide, particularly a mixture of zirconia and ceria, to which may be added one or more of a high surface area transitional alumina, an alkali or alkaline earth metal dopant and an additional dopant selected from Ga, Nd, Pr, W, Ge, Au, Ag, Fe, oxides thereof and mixtures thereof. | 05-07-2009 |
20090131251 | EXHAUST GAS-PURIFYING CATALYST - An exhaust gas-purifying catalyst is less prone to cause a decrease in its activity even when used in a high temperature atmosphere containing oxygen at a high concentration. The exhaust gas-purifying catalyst includes a composite oxide and Pd or a second solid solution of a composite and Rh and/or Pt. The first and second solid solutions have perovskite structure and are represented by ABO | 05-21-2009 |
20090149321 | INORGANIC OXIDE AND CATALYST FOR PURIFICATION OF EXHAUST GAS OBTAINED BY USING THE SAME - A particulate inorganic oxide contains an aluminum oxide, a metal oxide forming no composite oxide with an aluminum oxide, and at least one additional element selected from the group consisting of rare earth elements and alkaline earth elements. In the inorganic oxide, a percentage content of the aluminum oxide to a total amount of aluminum in the aluminum oxide, a metal element in the metal oxide, and the additional element is in a range from 48 at % to 92 at % in terms of element content. At least 80% of primary particles in the inorganic oxide have a particle diameter of 100 nm or smaller. At least a part of the primary particles have a surface concentrated region where a percentage content of the additional element is locally increased in a surface layer part thereof. The content of the additional element in the surface concentrated region to a whole amount of the inorganic oxide is in a range from 0.06% by mass to 0.98% by mass in terms of oxide amount. | 06-11-2009 |
20090209415 | Composite material, composite material substrate, composite material dispersed fluid, and manufacturing methods thereof - A composite material includes an aggregate which contains a first metal particle constituting a core and second metal oxide particulates surrounding the first metal particle and having an average primary particle diameter ranging from 1 to 100 nm. | 08-20-2009 |
20090253574 | CATALYST - Provided is a catalyst with a noble metal efficiently supported on the surfacemost thereof. A composite oxide-containing layer is formed on a catalyst carrier so as to contain a perovskite-type composite oxide represented by the following general formula (1) and an other composite oxide, and a noble metal layer is further formed on the catalyst carrier so as to be supported on the surfacemost of the catalyst carrier by immersing the catalyst carrier formed with the composite oxide-containing layer in an aqueous noble metal salt solution to impregnate the catalyst carrier with the aqueous noble metal salt solution: | 10-08-2009 |
20090264283 | Stabilized Iridium and Ruthenium Catalysts - Provided herein is a non-single phase perovskite-type bulk material comprising one or more of Ru and Ir. In one embodiment, the surface region of the material is enriched with one or more of Ru and Ir relative to the bulk material. Also provided are methods for preparing the non-single phase, surface enriched perovskite-type material, catalytic articles comprising the non-single phase, surface enriched perovskite-type material and methods for their preparation, and methods for treating exhaust emissions using the non-single phase, surface enriched perovskite-type material. | 10-22-2009 |
20090275467 | EXHAUST GAS PURIFYING CATALYST AND PRODUCTION METHOD THEREOF - An exhaust gas purifying catalyst including: rhodium particles having catalytic activity; compound particles which are formed on peripheries of the rhodium particles and support the rhodium particles; and oxides which are formed on peripheries of the compound particles and suppress coagulation of the compounds. | 11-05-2009 |
20090280978 | EXHAUST GAS PURIFYING CATALYST AND METHOD OF PRODUCING EXHAUST GAS PURIFYING CATALYST - An exhaust gas purifying catalyst | 11-12-2009 |
20090298683 | PRODUCTION OF A MATERIAL COMPRISING A MIXTURE OF NOBLE METAL NANOPARTICLES AND RARE-EARTH OXIDE NANOPARTICLES - The invention relates to the production of a material comprising a mixture of noble metal nanoparticles and rare-earth oxide nanoparticles. The process comprises the following successive steps:
| 12-03-2009 |
20090305882 | Articles Comprising Tetragonal Zirconia and Methods of Making the Same - Described is a porous ceramic body comprising zirconia having mesopores incorporated therein and the primary crystalline phase is tetragonal. When used as a carrier for a catalyst, the porous ceramic body has excellent crush resistance and a large total pore volume which results in an increase in the carrier's surface area onto which catalytic material may be deposited. Methods of making the carrier are also disclosed. | 12-10-2009 |
20090325792 | PROCESS FOR PRODUCING EXHAUST TREATMENT CATALYST POWDERS, AND THEIR USE - A process is described for producing a powder batch comprises a plurality of particles, wherein the particles include (a) a first catalytically active component comprising at least one transition metal or a compound thereof; (b) a second component different from said first component and capable of removing oxygen from, or releasing oxygen to, an exhaust gas stream; and (c) a third component different from said first and second components and comprising a refractory support. The process comprises providing a precursor medium comprising a liquid vehicle and a precursor to al least one of said components (a) to (c) and heating droplets of said precursor medium carried in a gas stream to remove at least part of the liquid vehicle and chemically convert said precursor to said at least one component. | 12-31-2009 |
20100004122 | Exhaust Gas-Purifying Catalyst | 01-07-2010 |
20100016150 | EXHAUST GAS PURIFYING CATALYST - An exhaust gas purifying catalyst exhibiting high catalytic performance and restraining an amount of noble metals used is provided. An exhaust gas purifying catalyst has a catalyst substrate and a catalyst coating layer formed on the catalyst substrate. The catalyst coating layer has a layered structure including an inside layer containing (a-1) Pd, (a-2) Pt, and (a-3) an inorganic oxide, and an outside layer containing (b-1) a noble metal and (b-2) an inorganic oxide. A part of (a-3) the inorganic oxide carries Pd and Pt so that a weight ratio Pd/Pt is within a range of 8 to 12, whereas the other part of (a-3) the inorganic oxide carries Pd and Pt so that a weight ratio Pd/Pt is within a range of 4 to 6 or within a range of 18 to 22. | 01-21-2010 |
20100022386 | Platinum and rhodium and/or iron containing catalyst formulations for hydrogen generation - A method and catalysts for producing a hydrogen-rich syngas are disclosed. According to the method a CO-containing gas contacts a water gas shift (WGS) catalyst, in the presence of water, preferably at a temperature of less than about 450° C. to produce a hydrogen-rich syngas. Also disclosed is a water gas shift catalyst formulated from: | 01-28-2010 |
20100056368 | CATALYST SUPPORT PARTICLE, PRODUCTION PROCESS THEREOF AND EXHAUST GAS PURIFYING CATALYST - A catalyst support particle | 03-04-2010 |
20100093525 | CATALYST FOR SELECTIVE METHANIZATION OF CARBON MONOXIDE - The invention relates to the use of a catalytic composition for selective methanization of carbon monoxide in hydrogen- and carbon dioxide-containing streams, wherein the active component used is ruthenium and the support material is a lanthanum-cerium-zirconium oxide, where the total loading of the support material with the active component is 0.1 to 20% by weight, based on the total weight of the catalytically active composition, and the support material comprises a lanthanum oxide content of 0.1 to 15% by weight, a cerium oxide content of 0.1 to 15% by weight and a zirconium oxide content of 30 to 99.8% by weight, based on the weight of the overall support material. | 04-15-2010 |
20100113261 | Precious Metal Water-Gas Shift Catalyst with Oxide Support Modified with Rare Earth Elements - A water gas shift catalyst comprising a platinum group metal dispersed on an inorganic oxide support modified with a carbon-containing burn-out additive and a rare earth oxide. A water gas shift catalyst containing alumina, a platinum group metal, and oxides of Pr and Nd are also disclosed. | 05-06-2010 |
20100130351 | SYNTHESIS OF RARE EARTH ELEMENT-CONTAINING ALUMINA NANOWIRES - Rare earth element(s) doped alumina nanowires are formed by a thermal evaporation method in which vapor from aluminum powder and vapor from a rare earth element compound (such as an halide) are reacted in an oxygen-containing inert gas stream to form alumina which deposits as alumina nanowires and as a rare earth element and oxygen-containing material that deposits with and/or on the alumina nanowires. Where the RE-doped alumina nanowires are to be used as catalyst supports, a catalyst material, such as platinum, may be deposited as small particles on the nanowires. | 05-27-2010 |
20100227757 | INORGANIC MIXED OXIDE AND CATALYST FOR PURIFICATION OF EXHAUST GAS USING THE SAME - A particulate inorganic mixed oxide comprising: aluminum; zirconium; cerium; and first and second additional elements each selected from the group consisting of rare earth elements other than cerium and alkaline earth elements, wherein | 09-09-2010 |
20100227758 | Alumina-Based Perovskite Catalysts and Catalyst Supports - An alumina-based perovskite is formed by mixing a lanthanide source with a transitional alumina to form a dual-phase composition comprising in situ formed LnAlO | 09-09-2010 |
20100298131 | Catalyst For Hydrogen Production By Autothermal Reforming, Method Of Making Same And Use Thereof - Provided in the present invention is a catalyst for an ATR (autothermal reforming) process of hydrogen production, as well as the methods to prepare and use it. The catalyst comprises a precious metal of the platinum family (e.g., Pt, Pd, Ru, Rh, Ir) and combinations and mixtures thereof as the active component, an alkali metal oxide and/or alkaline metal oxide as the first additive, and a CeO | 11-25-2010 |
20100331174 | Catalysts for Oxidative Coupling of Hydrocarbons - A catalyst includes: (A) at least one element selected from the group consisting of the Lanthanoid group, Mg, Ca, and the elements of Group 4 of the periodic table (Ti, Zr, and Hf); (B) at least one element selected from the group consisting of the Group 1 elements of Li, Na, K, Rb, Cs, and the elements of Group 3 (including La and Ac) and Groups 5-15 of the periodic table; (C) at least one element selected from the group consisting of the Group 1 elements of Li, Na, K, Rb, Cs, and the elements Ca, Sr, and Ba; and (D) oxygen. | 12-30-2010 |
20100331175 | SELECTIVE HYDROGENATION CATALYST AND THE PREPARATION THEREOF - A selective hydrogenation catalyst, with alumina as carrier, and palladium as active component that distributed on the surface of the carrier in an egg-shell form, characterized in that: provided that the catalyst is weighed 100%, it comprises 0.2-0.5 wt % active component Pd, 2-8 wt % aids lanthanum and/or cerium, and 2-8 wt % alkaline earth metal. The specific surface area of the catalyst is 70-150 m2/g, the pore volume is 0.3-0.6 ml/g, and the crystal form of the carrier may be θ form or θ, α mixed form mainly composed of θ form. The catalyst is suitable for the selective hydrogenation of medium or low distillate oil, especially for the first stage selective hydrogenation of pyrolysis gasoline. The catalyst has good hydrogenation performance, and can keep good hydrogenation activity and stability especially under the condition that the feed contains a small quantity of water, and the content of colloid, arsenic, and diolefin is higher. | 12-30-2010 |
20110034331 | EXHAUST GAS PURIFYING CATALYST AND PRODUCTION METHOD THEREOF - An exhaust gas purifying catalyst including: a plurality of first compounds | 02-10-2011 |
20110039691 | CATALYST SUPPORT AND METHOD OF PRODUCING SAME - An object of the present invention is to provide a catalyst support which can maintain the purifying ability of HC, CO and NO even after being exposed to a high temperature atmosphere such as about 1000° C. for a long term and a method which can easily produce the catalyst support. According to the present invention there is provided a method for producing a catalyst support of porous alumina formed with pores within which magneto-plumbite type complex oxide ((La.M) Al | 02-17-2011 |
20110045968 | EXHAUST GAS PURIFICATION CATALYST - A catalyst layer includes: a first mixed oxide particle component | 02-24-2011 |
20110082030 | WASHCOATING TECHNIQUE FOR PEROVSKITE CATALYSTS - Precursor cations of A and B elements of an ABO | 04-07-2011 |
20110160049 | EXHAUST GAS PURIFYING CATALYST AND METHOD FOR MANUFACTURING THE SAME - An exhaust gas purifying catalyst includes: rhodium; a zirconium-containing oxide which supports rhodium, and comprises: at least one element selected from the group consisting of calcium, lanthanum, cerium, neodymium and yttrium; and zirconium; and a NOx absorbing material comprising at least one selected from the group consisting of magnesium, barium, sodium, potassium and cesium. A degree of dispersion of rhodium is 20% or more after baking at 900° C. in air for three hours. A method for manufacturing the exhaust gas purifying catalyst includes: mixing the zirconium-containing oxide with water, thereby preparing an aqueous liquid of the zirconium-containing oxide; and supporting rhodium on the zirconium-containing oxide by mixing the aqueous liquid of the zirconium-containing oxide with an aqueous solution of a rhodium salt. A pH of a mixed liquid of the aqueous solution of the rhodium salt and the aqueous liquid of the zirconium-containing oxide is adjusted to 7 or more. | 06-30-2011 |
20110207601 | EXHAUST GAS-PURIFYING CATALYST - An object of the present invention is to provide an exhaust gas-purifying catalyst containing a composite oxide catalyst and a refractory support and being less prone to cause a decrease in its activity even when used at high temperatures in an atmosphere with high oxygen concentration. An exhaust gas-purifying catalyst includes a composite oxide catalyst containing rare-earth element, alkaline-earth element and precious metal, a part of the rare-earth element and a part of the alkaline-earth element forming composite oxide, and the composite oxide and a part of the precious metal forming solid solution, and a refractory support supporting the composite oxide catalyst and including at least one of a first composite oxide represented by a general formula AB | 08-25-2011 |
20110237429 | EXHAUST GAS PURIFICATION CATALYST - A catalytic metal | 09-29-2011 |
20110251053 | SOLVENT-BASED INFILTRATION OF POROUS STRUCTURES - A method for infiltrating a metal salt into a porous structure is described wherein the pores of the porous structure are first flooded with a solvent before contacting the salt mixture to the structure. In one embodiment the metal salt is in molten form when brought into contact with the flooded porous structure. In another embodiment, the metal salt is first brought into contact with the porous structure, and the mixture heated to melt the salt and evaporate the solvent. Thereafter the metal salt can be further reacted to convert it to a desired composition. | 10-13-2011 |
20110301025 | EXHAUST GAS PURIFICATION CATALYST - An exhaust gas purification catalyst includes a catalytic layer containing a particle component A-1 and a particle component A-2 with different catalytic metal contents, each of which is composed of catalytic-metal-doped CeZr-based mixed oxide powder. The particle component A-1 having the lower catalytic metal content is supported on a particle component B composed of Zr-based-oxide-supported alumina powder, and the particle component A-2 having the higher catalytic metal content is supported on a particle component C composed of CeZr-based mixed oxide powder in which catalytic metal is not solid-dissolved. | 12-08-2011 |
20120028794 | CATALYSTS FOR THE PRODUCTION OF HYDROGEN - The invention provides a bio-based feedstock steam reforming catalyst comprising: a modified support; a metal component; and a promoter. The process also provides a method of preparing a bio-based feedstock steam reforming catalyst comprising: providing a support material comprising a transition metal oxide; providing a modifier comprising an alkaline earth element; contacting the support material with the modifier to form a modified support; providing a metal component comprising a Group VIII transition metal; contacting the support material, the modified support or combinations thereof with the metal component to form the steam reforming catalyst; and contacting the modified support, the metal component, the steam reforming catalyst or combinations thereof with a promoter. | 02-02-2012 |
20120035048 | Composition Based on Zirconium Oxides, Praseodymium, Lanthanum or Neodymium, Method for the Preparation and Use Thereof in a Catalytic System - The composition is based on zirconium oxide and at least one additive selected from zirconium oxide and at least one additive chosen from praseodymium, lanthanum or neodymium oxides, has a specific surface of at least 29 m 2/g after calcination at 1000° C. during a period of 10 hours and is obtained by a method wherein a mixture of zirconium compounds and additive is precipitated with a base; the medium thus obtained, containing a precipitate, is heated and a compound chosen from anionic surfactants, non-ionic surfactants, polyethylene glycols, carboxylic acids and the salts thereof and surfactants such as the ethoxylates of caroboxymethyl fatty alcohols is added to the compound and the precipitate is calcinated; the composition can be used as a catalyst. | 02-09-2012 |
20120122672 | EXHAUST GAS-PURIFYING CATALYST - An exhaust gas-purifying catalyst includes first particles of oxygen storage material, second particles of one or more rare-earth elements other than cerium and/or compounds thereof interposed between the first particles, and third particles of one or more precious metal elements interposed between the first particles, wherein a spectrum of a characteristic X-ray intensity for one of the rare-earth element(s) and a spectrum of a characteristic X-ray intensity for one of the precious metal element(s) that are obtained by performing a line analysis using energy-dispersive X-ray spectrometry along a length of 500 nm have a correlation coefficient of 0.68 or more. | 05-17-2012 |
20120157301 | METHOD FOR PREPARING PEROVSKITE OXIDE-BASED CATALYST PARTICLES - A high-surface area fine particle dispersal of LaMnO | 06-21-2012 |
20130085062 | NOVEL FORMULATION OF HEXA-ALUMINATES FOR REFORMING FUELS - The invention is directed to a catalyst and a method for making a reforming catalyst for the production of hydrogen from organic compounds that overcomes the problems of catalyst poisoning and deactivation by coking and high temperature sintering, yet provides excellent durability and a long working life in process use. An embodiment is the formation of a unique four-metal ion hexa-aluminate of the formula M1 | 04-04-2013 |
20130150236 | EXHAUST GAS PURIFICATION CATALYST - Disclosed is an exhaust gas purification catalyst that is provided with a base material and a catalyst later, which is formed on the base material and has an upstream side catalyst section and a downstream side catalyst section. Ba is added to the upstream side catalyst section and the downstream side catalyst section, the quantity of Ba added to the upstream side catalyst section is a quantity corresponding to 8 to 22 mass % relative to the total mass of a ceria-zirconia composite oxide contained in the upstream side catalyst section, and the quantity of Ba added to the downstream side catalyst section is a quantity corresponding to 3 to 7 mass % relative to the total mass of a ceria-zirconia composite oxide contained in the downstream side catalyst section | 06-13-2013 |
20130172178 | CATALYST FOR THE DECOMPOSITION OF NITROGEN PROTOXIDE - A catalyst for removing nitrogen protoxide from gas mixtures which contain it, comprising mixed oxides of cobalt, manganese and rare earth metals having composition expressed as percentage by weight of CoO, MnO and transition metal oxide in the lowest state of valence as follows: MnO 38-56%, CoO 22-30%, rare earth metal oxide 22-32%. | 07-04-2013 |
20130210619 | HEXAALUMINATE-COMPRISING CATALYST FOR THE REFORMING OF HYDROCARBONS AND A REFORMING PROCESS - A hexaaluminate-containing catalyst for reforming hydrocarbons. The catalyst consists of a hexaaluminate-containing phase, which consists of cobalt and at least one further element from the group consisting of La, Ba, and Sr, and an oxidic secondary phase. To prepare the catalyst, an aluminum source is brought into contact with a cobalt-containing metal salt solution, dried, and calcined. The metal salt solution additionally contains the at least one further element. The reforming of methane and carbon dioxide is great economic interest since synthesis gas produced during this process can form a raw material for the preparation of basic chemicals. In addition, the use of carbon dioxide as a starting material is important in the chemical syntheses in order to bind carbon dioxide obtained as waste product in numerous processes by a chemical route and thereby avoid emission into the atmosphere. | 08-15-2013 |
20130252808 | CATALYSTS FOR THERMOCHEMICAL FUEL PRODUCTION AND METHOD OF PRODUCING FUEL USING THERMOCHEMICAL FUEL PRODUCTION - To provide a catalyst, which is formed from a perovskite oxide, for thermochemical fuel production, and a method of producing fuel using thermochemical fuel production that is capable of allowing a fuel to be produced in a thermochemical manner. | 09-26-2013 |
20130267411 | SINGLE REACTION SYNTHESIS OF TEXTURIZED CATALYSTS - Methods are described for making a texturized catalyst. The textural promoter may be a high-surface area, high-porosity, stable metal oxide support. The catalyst is manufactured by reacting catalyst precursor materials and support materials in a single, solvent deficient reaction to form a catalyst. The catalyst may be particles or a coating or partial coating of a support surface. | 10-10-2013 |
20130310248 | DOUBLE LAYERED EXHAUST GAS PURIFICATION CATALYST - Provided is an exhaust gas purification catalyst ( | 11-21-2013 |
20130324393 | Novel Visible-Light-Responsive Photocatalyst with Environmental Resistance - To provide a novel visible light-responsive photocatalyst or tungsten oxide visible light-responsive semiconductor improved in environmental resistance under an alkaline condition. | 12-05-2013 |
20130345049 | EXHAUST GAS PURIFICATION CATALYST - An exhaust gas purification catalyst is provided with a catalyst coating layer ( | 12-26-2013 |
20140005041 | Method for producing Heterogeneous Catalysts containing Metal Nanoparticles | 01-02-2014 |
20140018235 | EXHAUST GAS PURIFYING CATALYST, EXHAUST GAS PURIFYING MONOLITH CATALYST, AND METHOD FOR MANUFACTURING EXHAUST GAS PURIFYING CATALYST - An exhaust gas purifying catalyst having a high purifying ability even if noble metal is not used as an essential component, an exhaust gas purifying monolith catalyst, and a method for manufacturing an exhaust gas purifying catalyst, are provided. The exhaust gas purifying catalyst includes an oxide having an oxygen storage and release capacity, and an oxide represented by the following formula (1) supported on the oxide having the oxygen storage and release capacity, | 01-16-2014 |
20140135208 | INCREASED LIFETIME PREREFORMER CATALYST - The present invention a catalyst that includes a metallic or ceramic foam catalyst support having surfaces within the foam for the placement of a catalytic material, and an active catalyst material which is applied by washcoating or dipping. | 05-15-2014 |
20140171300 | GAS PURIFYING CATALYST FOR INTERNAL COMBUSTION ENGINE - A gas purifying catalyst for an internal combustion engine may include a carrier, and a catalyst layer formed on the carrier, wherein the catalyst layer has a first catalyst including a first support including alumina and Pd supported in the first support, and a second catalyst including a second support including complex oxide of ceria-zirconia and Rh supported in the second support. | 06-19-2014 |
20140171301 | GAS PURIFYING CATALYST FOR INTERNAL COMBUSTION ENGINE - Disclosed is a gas purifying catalyst for an internal combustion engine comprising: a carrier and a catalyst layer formed on the carrier, the catalyst layer including a first catalyst, a second catalyst and a third catalyst. The first catalyst comprises Pd supported in a first support, the first support comprising alumina. The second catalyst comprises Rh supported in a second support, the second support comprising a complex oxide of ceria-zirconia. The third catalyst comprising Pd supported in a third support, the third support comprising a complex oxide of ceria-zirconia. | 06-19-2014 |
20140213440 | ETHANOL REFORMING CATALYST COMPOSITION AND METHOD OF PRODUCING ETHANOL REFORMING CATALYST - The instant disclosure relates to a preparation method of ethanol reforming catalyst, comprising the following steps. The first step is mixing a first metal precursor, a second metal precursor, and a third metal precursor with an organic medium to form a mixture. The next step is adding a surfactant to the mixture, and then allowing resting for 3 to 7 days to form a colloidal gel. The next step is calcining the colloidal gel for 1 to 5 hours in a first temperature region of 350° C. to 550° C., and then calcining the colloidal gel for 1 to 5 hours in a second temperature region of 800° C. to 1000° C. to form an ethanol reforming catalyst. The instant disclosure further provides an ethanol reforming catalyst composition. | 07-31-2014 |
20140221200 | Method for Producing Composites of Aluminum Oxide and Cerium/Zirconium Mixed Oxides - The subject matter of the invention is a method for producing composites comprising aluminum oxide and cerium/zirconium mixed oxides, hereinafter referred to briefly as Al/Ce/Zr oxide composite(s) using boehmite and soluble cerium/zirconium salts. Al/Ce/Zr oxide composites produced in this way have an increased thermal stability. | 08-07-2014 |
20140274675 | Oxidation Catalyst Systems Compositions and Methods Thereof - Compositions and methods for the preparation of ZPGM oxidation catalyst systems are disclosed. ZPGM catalyst systems may be employed within catalytic converters under lean hydrocarbon, air to fuel ratio condition to oxidize toxic gases, such as carbon monoxide and other hydrocarbons that may be included in exhaust gas. ZPGM oxidation catalyst systems are completely free of PGM catalyst and may include: a substrate, a washcoat, and an overcoat. Washcoat may include silver as ZPGM catalyst, and carrier material oxides. Similarly, overcoat may include at least one ZPGM catalyst, carrier material oxides and OSMs. Overcoat of the disclosed ZPGM catalyst system may include copper and cerium as ZPGM catalysts. Suitable known in the art chemical techniques, deposition methods and treatment systems may be employed in order to form the disclosed ZPGM catalyst systems. ZPGM catalyst systems may include high surface area, low conversion temperature catalysts that may exhibit high efficiency in the conversion of exhaust gases. | 09-18-2014 |
20140309104 | COMPOSITE OXIDE - Provided is a composite oxide which is suitable as a co-catalyst for an exhaust gas purifying catalyst or the like, has high heat resistance, and has an excellent oxygen absorbing and desorbing capability at low temperatures. The composite oxide contains Ce and Zr, wherein the Ce content is 30 to 80 at % and the Zr content is 20 to 70 at %, based on the total of Ce and Zr being 100 at %, or further contains particular element M, wherein the Ce content is not less than 30 at % and less than 80 at %, the Zr content is not less than 20 at % and less than 70 at %, and the content of element M is more than 0 at % and not more than 15 at %, based on the total of Ce, Zr, and element M being 100 at %; wherein the composite oxide has CaF | 10-16-2014 |
20140315711 | Catalysts for Producing Hydrogen and Synthesis Gas - 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. | 10-23-2014 |
20140336044 | Copper-Manganese Spinel Catalysts and Methods of Making Same - Disclosed here are material formulations of use in the conversion of exhaust gases, where the formulations may include Copper (Cu), Manganese (Mn) and combinations thereof. Combinations of use may include Cu—Mn Spinels. Catalysts including these materials may be synthesized by methods including co-precipitation, co-milling, templating, and the sol-gel method, using any suitable carrier material oxide and any suitable oxygen storage material. The properties of the catalysts disclosed may vary according to the calcining temperature, where stoichiometric and non-stoichiometric Cu—Mn Spinels may form when calcining suitable formulations at suitable temperatures. | 11-13-2014 |
20140336045 | Perovskite and Mullite-like Structure Catalysts for Diesel Oxidation and Method of Making Same - Disclosed here are material formulations of use in the conversion of exhaust gases. A catalyst is formed by using a perovskite structure having the general formula ABO3 or a mullite structure having the general formula of AB2O5 where components “A” and “B” may be any suitable non-platinum group metals. Suitable materials may include Yttrium, Lanthanum, Silver, Manganese and formulations thereof. | 11-13-2014 |
20150018202 | Variations of Loading of Zero-PGM Oxidation Catalyst on Metallic Substrate - The present disclosure refers to processes and formulations employed for optimization of variations of Zero-PGM catalyst coated on metallic substrates. Deposition of a uniform and well-adhered layer of catalyst on the metallic substrate may be enabled by the selection of a washcoat loading resulting from variation of metal loadings. Characterization of catalysts may be performed using a plurality of catalytic tests, including but not limited to washcoating adherence test, back pressure test, inspection of textural characteristics, and catalyst activity. Optimized variations may be applied to a plurality of metallic substrates for achieving coating uniformity, desired level of WCA loss, and optimized performance of catalyst activity. | 01-15-2015 |
20150045212 | EXHAUST GAS PURIFICATION CATALYST - An exhaust gas purification catalyst includes a composite oxide support, and a precious metal catalyst supported on the composite oxide support. The composite oxide support includes alumina, zirconia, ceria, a first additive element oxide and a second additive element oxide. The first additive element oxide contains an additive element selected from the group consisting of rare earth elements excluding cerium and alkali earth elements. The second additive element oxide contains an additive element selected from the group consisting of rare earth elements excluding cerium and alkali earth elements. In the composite oxide support, alumina is contained in a range of 30 to 40% by mass and zirconia is contained in a range of 36 to 46% by mass. | 02-12-2015 |
20150087503 | EXHAUST GAS PURIFICATION CATALYST - An exhaust gas purification catalytic material for purifying exhaust gas from an engine includes ZrLaY composite oxide containing ZrO | 03-26-2015 |
20150099623 | OXIDE FILM AND PROTON CONDUCTIVE DEVICE - The present invention provides an oxide film composed of an oxide having a perovskite crystal structure. The oxide is represented by a chemical formula A | 04-09-2015 |
20150111727 | CATALYST COMPOSITION FOR EXHAUST GAS PURIFICATION AND EXHAUST GAS PURIFYING CATALYST FOR AUTOMOBILES - The present invention is to provide a catalyst composition for exhaust gas purification, which is superior in purification performance for nitrogen oxides (NO | 04-23-2015 |
20150148218 | STRONTIUM COBALTITE OXYGEN SPONGE CATALYST AND METHODS OF USE - Rapid, reversible redox activity may be accomplished at significantly reduced temperatures, as low as about 200° C., from epitaxially stabilized, oxygen vacancy ordered SrCoO | 05-28-2015 |
20150148219 | COMPOSITION INCLUDING A LANTHANUM PEROVSKITE ON AN ALUMINA OR ALUMINIUM OXYHYDROXIDE SUBSTRATE, PREPARATION METHOD AND USE IN CATALYSIS - The composition according to the invention includes a perovskite of the formula LaMO | 05-28-2015 |
20150290622 | CATALYST CARRIER AND EXHAUST GAS PURIFYING CATALYST - The present invention relates to a catalyst carrier comprising an apatite-type composite oxide and proposes a catalyst carrier capable of improving purification performance of NOx due to improvement of phosphorus poisoning. | 10-15-2015 |
20150298099 | COMPLEX OXIDE PARTICLES AND EXHAUST GAS PURIFYING CATALYST USING THE SAME - This invention provides complex oxide particles as carriers that are capable of imparting high heat tolerance and oxygen storage capacity to a catalyst and an exhaust gas purifying catalyst for automobiles using the same. The complex oxide particles comprise ceria-zirconia complex oxide, alumina, yttria, and at least one oxide of an element selected from among rare earth elements other than cerium and yttrium and alkaline earth metals, in which alumina content is 70% to 89% by mass relative to the complex oxide particles and yttria content is 0.01% to 0.22% by mole relative to the ceria-zirconia complex oxide. | 10-22-2015 |
20150321175 | COMPLEX OXIDE, METHOD FOR PRODUCING SAME, AND EXHAUST GAS PURIFYING CATALYST - Disclosed are a composite oxide which is capable of maintaining a large volume of pores even used in a high temperature environment, and which has excellent heat resistance and catalytic activity, as well as a method for producing the composite oxide and a catalyst for exhaust gas purification employing the composite oxide. The composite oxide contains cerium and at least one element selected from aluminum, silicon, or rare earth metals other than cerium and including yttrium, at a mass ratio of 85:15 to 99:1 in terms oxides, and has a property of exhibiting a not less than 0.30 cm | 11-12-2015 |
20150375203 | Precipitated and calcined composition based on zirconium oxide and cerium oxide - The present invention relates to compositions based on zirconium oxide and cerium oxide that exhibit a sufficiently high specific surface area after calcination and a low maximum reduction temperature of the oxide after calcination. Compositions of the present invention may be notably used in various catalytic systems, such as for the treatment of exhaust gases from internal combustion engines. | 12-31-2015 |
20150375206 | CATALYTIC CONVERTER - Provided is a a catalytic converter capable of obtaining superior NOx purification performance while reducing the amount of a noble metal catalyst. | 12-31-2015 |
20160067681 | Stable Support For Fischer-Tropsch Catalyst - A process has been developed for preparing a Fischer-Tropsch catalyst precursor and a Fischer-Tropsch catalyst made from the precursor. The process includes contacting a gamma alumina catalyst support material with a first solution containing a compound containing an element selected from the group consisting of yttrium (Y), niobium (Nb), molybdenum (Mo), tin (Sn), antimony (Sb) and mixtures thereof to obtain a modified catalyst support material. The modified catalyst support material is calcined at a temperature of at least 700° C. The calcined modified catalyst support has a pore volume of at least 0.4 cc/g. The modified catalyst support is less soluble in acid solutions than an equivalent unmodified catalyst support. The modified catalyst support is contacted with a second solution which includes a precursor compound of an active cobalt catalyst component to obtain a catalyst precursor. The catalyst precursor is reduced to activate the catalyst precursor to obtain the Fischer-Tropsch catalyst. The catalyst has enhanced hydrothermal stability as measured by losing no more than 25% of its pore volume when exposed to water vapor. | 03-10-2016 |
20160121301 | CERIA-ZIRCONIA-BASED COMPOSITE OXIDE AND METHOD OF PRODUCTION OF THE SAME - A ceria-zirconia-based composite oxide which has a crystal phase of the composite oxide of a single solid-solution phase even after exposure to a high temperature over a long time and has a small change in mode pore diameter and in pore volume before and after a high temperature durability test is provided. This is realized by a ceria-zirconia-based composite oxide having a chemical composition, by mass ratio, of zirconia: 30% to 80%, a total of oxides of one or more elements selected from yttrium and rare earth elements having atomic number 57 to 71 (except cerium and promethium): 0% to 20%, and a balance of ceria and unavoidable impurities, in which ceria-zirconia-based composite oxide, the composite oxide is deemed to be a single solid-solution phase in an X-ray diffraction pattern after a durability test which heats the oxide in the atmosphere at a temperature condition of 1100° C. for 5 hours and has a ratio (b/a) of mode pore diameter (b) of a pore distribution after a durability test which heats the oxide in the atmosphere at a temperature condition of 1100° C. for 5 hours to the mode pore diameter (a) before the durability test of 1.0≦b/a≦2.0 and/or has a ratio (d/c) of pore volume (d) after a durability test which heats the oxide in the atmosphere at a temperature condition of 1100° C. for 5 hours to the pore volume (c) before the durability test of 0.20≦d/c≦1.00. | 05-05-2016 |
20160121302 | CERIA-ZIRCONIA-BASED COMPOSITE OXIDE AND METHOD FOR PRODUCING SAME, AND CATALYST FOR EXHAUST GAS PURIFICATION INCLUDING CERIA-ZIRCONIA-BASED COMPOSITE OXIDE - A ceria-zirconia-based composite oxide including a composite oxide containing ceria and zirconia, wherein the ceria-zirconia-based composite oxide contains at least one member selected from the group consisting of praseodymium, lanthanum, and yttrium in an amount of 0.5 to 5.0 mol % relative to a total amount of the cations contained in the ceria-zirconia-based composite oxide, where the ratio of the content of both cerium and the at least one member selected from the group consisting of praseodymium, lanthanum, and yttrium in the ceria-zirconia-based composite oxide to the content of zirconium therein ([cerium and the at least one member selected from the group consisting of praseodymium, lanthanum, and yttrium]:[zirconium]) is in the range of 43:57 to 48:52 by mole ratio. | 05-05-2016 |
20160129426 | CATALYST FOR THE OXYCHLORINATION OF ETHYLENE TO 1, 2-DICHLOROETHANE - This invention relates to a catalyst containing from about 2 up to about 8% by wt. of copper, zero up to about 0.6 moles/kg of one or more alkali metal(s), from about 0.08 up about 0.85 moles/kg of one or more alkaline earth metals and from about 0.09 up to about 0.9 moles/kg of one or more transition metals selected from the group consisting of Mn, Re and mixtures thereof, where all the metals are impregnated in form of their chlorides or other water soluble salts on a fluidizable support with a BET surface area of from about 80 up to about 220 m | 05-12-2016 |
20160144346 | METHOD AND SYSTEM FOR FORMING PLUG AND PLAY OXIDE CATALYSTS - An oxide catalyst is formed by vaporizing a quantity of at least one precursor material or catalyst material thereby forming a vapor cloud. The vapor cloud is quenched forming precipitate nanoparticles. The nanoparticles are impregnated onto supports. The supports are able to be used in existing heterogeneous catalysis systems. A system for forming oxide catalysts comprises means for vaporizing a quantity of at least one precursor material or at least one catalyst material, quenching the resulting vapor cloud and forming precipitate nanoparticles. The system further comprises means for supports with the nanoparticles. | 05-26-2016 |
20160193593 | EXHAUST GAS PURIFICATION CATALYST AND METHOD FOR MANUFACTURING SAME | 07-07-2016 |
20160199812 | CATALYTIC CONVERTER | 07-14-2016 |
20160199815 | EXHAUST CLEANING CATALYST | 07-14-2016 |
20160199816 | EXHAUST CLEANING CATALYST | 07-14-2016 |
20160250620 | CERIA-ZIRCONIA COMPOSITE OXIDE, METHOD FOR PRODUCING THE SAME, AND CATALYST FOR PURIFYING EXHAUST GAS USING THE CERIA-ZIRCONIA COMPOSITE OXIDE | 09-01-2016 |
20180021759 | CERIUM-ZIRCONIUM COMPOSITE OXIDE, PREPARATION METHOD THEREFOR, AND APPLICATION OF CATALYST | 01-25-2018 |
20190143305 | HAN-BASED PROPELLANT DECOMPOSITION CATALYST AND METHOD FOR PRODUCING THE SAME, AND ONE-COMPONENT THRUSTER USING THE SAME | 05-16-2019 |