Entries |
Document | Title | Date |
20080242536 | Metal Oxide with High Thermal Stability and Preparing Method Thereof - Disclosed are metal oxide having high thermal stability and a preparation method thereof, specifically including continuously reacting a reaction mixture, composed of (i) water, (ii) a first metal salt including an aqueous cerium compound and (iii) a second metal salt including an aqueous aluminum compound, at 200˜700° C. under pressure of 180-550 bar, the reaction product having a molar ratio of metal, other than aluminum, to aluminum of 0.1˜10. | 10-02-2008 |
20080269046 | EXHAUST GAS PURIFICATION CATALYST AND MANUFACTURING METHOD THEREOF - In an exhaust gas purification catalyst that contains an oxygen storage component containing Ce and Zr, alumina and a catalytic metal, a plurality of primary particles of the oxygen storage component and a plurality of primary particles of the alumina agglomerate to form each of mixed oxide particles and the catalytic metal includes Pd doped in the oxygen storage component particles to constitute each of the oxygen storage component particles with Ce and Zr and exposed at the surfaces of the oxygen storage component particles and Pd adhered to the surfaces of the oxygen storage component particles and the surfaces of the alumina particles. | 10-30-2008 |
20090023582 | CATALYST AND PROCESS FOR ITS MANUFACTURE - The inventive catalyst composition is a sponge metal catalyst comprising at least one skeletal porous sponge metal selected from the group consisting of nickel, cobalt, iron and copper, together with a first promoter metal selected from the group consisting of palladium, platinum, ruthenium, rhodium, osmium and iridium and a second promoter metal selected from the group consisting of iron, nickel, cobalt, zinc, vanadium, cerium, copper, tungsten, molybdenum, titanium, niobium, manganese, silver, cadmium, praseodymium and neodymium. Processes for the manufacture of the catalyst include impregnation or precipitation of the promoter metals onto the sponge metal catalyst. | 01-22-2009 |
20090029851 | Method For Producing Heat-Resisting Compound Oxides - A method for producing a heat-resisting compound oxide in which oxide particles are made to carry fine particles having a smaller particle diameter than that of said oxide particles. Said oxide particles or their precursor particles are charged to a potential inverse to that of said fine particles or their precursor particles so that said oxide particles adsorb said fine particles, and are then sintered to carry said fine particles. Thus, the fine particles can be homogeneously dispersed and firmly adhered to the surfaces of the oxide particles. As a result, the compound oxide is so excellent in heat resistance that it has little change, even subjected to a treatment such as a sintering, in the structure of the oxide particles for a carrier or in the adsorption state of the ultrafine particles, and has little thermal deterioration. | 01-29-2009 |
20090036300 | EXHAUST GAS-PURIFYING CATALYST - An exhaust gas-purifying catalyst ( | 02-05-2009 |
20090042722 | Manufacture of Exhaust Articles for Internal Combustion Engines - Provided are methods for manufacturing a base metal undercoat containing catalyst and an exhaust article containing the catalyst. The catalyst contains a base metal undercoat with an oxygen storage component, substantially free of platinum group metal components, and at least one catalytic layer. | 02-12-2009 |
20090048101 | Method for producing heat-resisting compound oxides - A method for producing a heat-resisting compound oxide in which first oxide particles are made to carry second fine particles having near charging characteristics. Said first oxide particles or their precursors are caused, before said first oxide particles or their precursors are caused to adsorb said first oxide particles or their precursors, to adsorb a predetermined acid or base so that they may be charged inversely of said second fine particles or their precursors to be adsorbed thereby. Said first oxide particles are caused to adsorb said second fine particles through said acid or base and are sintered to carry the same. | 02-19-2009 |
20090048102 | Catalyst Support Particle, Exhaust Gas Purifying Catalyst, and Production Processes Thereof - Disclosed are a catalyst support particle comprising alumina having dispersed therein ceria primary particles, wherein a prominent peak of alumina is not present in the vicinity of 2θ=67° in the X-ray diffraction analysis; an exhaust gas purifying catalyst obtained by loading a noble metal on the support particle; and production processes of the support catalyst and the exhaust gas purifying catalyst. | 02-19-2009 |
20090062117 | Nitrogen oxide storage material and nitrogen oxide storage catalyst produced therefrom - A nitrogen oxide storage material which is based on storage compounds of elements selected from the group consisting of magnesium, calcium, strontium, barium, the alkali metals, the rare earth metals and mixtures thereof and has a homogeneous magnesium-aluminium mixed oxide doped with cerium oxide as support material for the storage compounds is described. Nitrogen oxide storage catalysts using this storage material display a broad working range, a high storage efficiency and good ageing resistance. | 03-05-2009 |
20090099014 | Exhaust gas purifying catalyst and process for producing it - The present invention is an exhaust gas purifying catalyst comprising a metal oxide support (CeO | 04-16-2009 |
20090124491 | Catalyst Support Powder and Exhaust Gas Purifying Catalyst - The present invention provides a catalyst support powder | 05-14-2009 |
20090124492 | EXHAUST GAS PURIFYING CATAYST - An exhaust gas purifying catalyst includes a catalyst substrate and a catalyst coating layer containing a noble metal and a refractory inorganic oxide. The catalyst coating layer includes an upstream portion located upstream and a downstream portion located downstream in a flow direction of an exhaust gas. The upstream portion has a layered structure including an upstream portion inside layer containing a cerium-zirconium composite oxide in which a relative proportion of CeO | 05-14-2009 |
20090131252 | Catalyst Composition - To provide a catalyst composition containing a novel perovskite-type composite oxide which permits reversible entrance and exit of noble metals, a catalyst composition is prepared so as to contain a perovskite-type composite oxide represented by the general formula (1): | 05-21-2009 |
20090137387 | Catalyst for purifying exhaust gas - The present invention provides an exhaust gas purification catalyst comprising a base material, and a two or more layered catalyst coating layer, formed on the base material, wherein the two or more layers have upper and lower layers, and wherein the upper layer contains a large amount of noble metal per liter of the base material more than that of the lower layer, and the lower layer contains a large amount of an oxygen storage/release material per liter of the base material more than that of the upper layer. This exhaust gas purification catalyst has more excellent H | 05-28-2009 |
20090149322 | EXHAUST GAS-PURIFYING CATALYST - Decreasing hydrogen sulfide emission without using nickel is made possible. An exhaust gas-purifying catalyst includes a support substrate, a catalyst support layer supported by the support substrate and including porous carrier, and a precious metal supported by the porous carrier. A mean diameter of the precious metal is 5 nm or larger. | 06-11-2009 |
20090156395 | Method for Preparing Metal Oxide Containing Precious Metals - The present invention relates to a method for preparing a metal oxide containing precious metals, which can be used for a catalyst for purifying automobile exhaust gases and has excellent heat resistance and, more particularly, to a method for preparing a metal oxide containing precious metals including the step of continuously reacting a reaction mixture, including (i) water, (ii) a water-soluble precious metal compound, (iii) a water-soluble cerium compound and (iv) at least one water-soluble metal compound selected from the group consisting of a zirconium compound, a scandium compound, a yttrium compound and a lanthanide metal compound other than a cerium compound, at a temperature from 2000 C to 700° C. and at a pressure from 180 bar to 550 bar, wherein the molar ratio of precious metal to metal other than the precious metal in a reaction product is in the range from 0.001 to 0.1. | 06-18-2009 |
20090170695 | NON-PYROPHORIC CATALYST FOR WATER-GAS SHIFT REACTION AND METHOD OF PREPARING THE SAME - Provided are a non-pyrophoric water gas shift reaction catalyst including: an oxide carrier composed of zirconium oxide (ZrO2) and at least one selected from yttrium oxide (Y2O3) and cerium oxide (CeO2); and platinum (Pt) and cerium (Ce) that are supported on the oxide carrier, a method of preparing the same, and a fuel processor including the non-pyrophoric water gas shift reaction catalyst. | 07-02-2009 |
20090209416 | EXHAUST GAS-PURIFYING CATALYST | 08-20-2009 |
20090215613 | Yttrium Compositions And Methods of Making the Same - The present invention is directed to yttrium compositions and methods for making such metal oxide compositions, specifically, metal oxide compositions having high surface area, high metal/metal oxide content, and/or thermal stability with inexpensive and easy to handle materials. | 08-27-2009 |
20090215614 | Colloidal dispersions of compounds of cerium and at least one of zirconium, rare earths, titanium and/or tin and preparation/applications thereof - Colloidal dispersions, in a continuous phase, contain a compound of cerium and another element M selected from among zirconium, rare earths (Ln) other than cerium, titanium and tin, wherein such compound is in the form of a mixed oxide in which the cerium and the element M are in solid solution; the cerium is in the form of cerium III in an amount expressed in cerium III/total cerium atomic ratio ranging between 0.005 and 0.06 and the dispersion is produced by forming a liquid medium comprising cerium salts, in particular of cerium III, and the element M, contacting the medium with a base to provide a pH of not less than 9, separating and washing the resulting precipitate and peptizing same by treating with an acid whereby the dispersion is obtained. | 08-27-2009 |
20090239742 | LONG-LIVED HIGH VOLUMETRIC ACTIVITY PHOTOCATALYSTS - The present disclosure relates to nanocrystalline titanium dioxide (TiO | 09-24-2009 |
20090258781 | CERIUM-ZIRCONIUM BASED COMPOUND OXIDE AND PRODUCTION METHOD THEREOF - The present invention provides a cerium-zirconium based compound oxide having a total pore volume of at least 0.4 ml/g, the volume of pores having a diameter of 10 nm to 100 nm of 0.25 ml/g or more, and the volume of pores having a diameter of 100 nm to 10 μm of 0.2 ml/g or less. The cerium-zirconium based compound oxide preferably has excellent thermal stability, which allows the desirable pore volume to be maintained even after conducting a further heat treatment at 1,000° C. for 3 hours. | 10-15-2009 |
20090264284 | SULFUR-TOLERANT CATALYST SYSTEMS - Methods for improving the sulfur-tolerance of nickel-based catalyst systems, as well as the improved catalyst systems, are disclosed. The methods can include adding praseodymium alone, or in combination with ruthenium and/or cerium, to a nickel-based catalyst system, thereby inhibiting sulfur poisoning of the catalyst system. Improved catalyst systems can have an added amount of praseodymium alone, or in combination with ruthenium and/or cerium, sufficient to inhibit poisoning of the system by sulfur. | 10-22-2009 |
20090275468 | EXHAUST GAS PURIFYING CATALYST - An exhaust gas purifying catalyst is provided which includes a catalyst substrate and a catalyst coating layer. The catalyst coating layer is formed on the catalyst substrate and contains a noble metal and a refractory inorganic oxide. The catalyst coating layer has a layered structure including an A-layer and a B-layer. The A-layer contains Pd and Pt as the noble metal in a weight ratio of 3:1 to 20:1. The B-layer includes Rh as the noble metal. | 11-05-2009 |
20090280979 | EXHAUST GAS PURIFYING CATALYST - An exhaust gas purifying catalyst exhibiting high purification performance in the Hot range is provided. The 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 a containing the component (a-1) and the component (a-2) described below, and an outside layer b containing the component (b-1) and the component (b-2) described below. Component (a-1) and component (b-1): noble metals. Component (a-2): a compound oxide of (i) Ce, (ii) Zr and (iii) an element selected from the group consisting of rare earth elements, alkaline earth elements and Y, having a ratio of (ii) to (i) within the range of more than 40/100 but not more than 100/2 in terms of the weight ratio between CeO | 11-12-2009 |
20090286678 | High Surface Area Metal And Metal Oxide Materials and Methods of Making the Same - The present invention is directed to methods for making metal oxide compositions, specifically, metal oxide compositions having high surface area, high metal/metal oxide content, and/or thermal stability with inexpensive and easy to handle materials. In one embodiment, the present invention is directed to methods of making metal and/or metal oxide compositions, such as supported or unsupported catalysts. The method includes combining a metal precursor with an organic acid to form a mixture and calcining the mixture for a period of time sufficient to form a metal oxide material. | 11-19-2009 |
20090325793 | Exhaust Gas Purifying Catalyst And Production Process Thereof - An exhaust gas purifying catalyst is disclosed, comprising a ceria-zirconia solid solution and an iron oxide dispersed and at least partially solid-dissolved in the ceria-zirconia solid solution. A process for producing the exhaust gas purifying catalyst of the present invention is also disclosed. | 12-31-2009 |
20100004123 | OXYGEN STORAGE MATERIAL - An excellent oxygen storage capacity is achieved even in the case used for a long period of time under high temperature conditions. An oxygen storage material contains a first particle made of a composite oxide of cerium and zirconium or a composite oxide of cerium, a rare-earth element other than cerium and zirconium, a second particle including a composite oxide of a rare-earth element, an alkaline-earth element and zirconium, and a precious metal. A part of the precious metal forms a solid solution with the composite oxide included in the second particle. | 01-07-2010 |
20100022387 | PROCESS FOR PRODUCING FINE PARTICLES OF SOLID SOLUTION - Provided is a process for readily producing fine particles of a solid solution having a small particle size, comprising a solid solution of zirconia, ceria and a rare earth oxide in a desired composition, and being highly crystalline. | 01-28-2010 |
20100062929 | Core Shell Catalyst - A core-shell catalyst material can include a core and a shell material. Each of the core material and the shell material can have crystal structures and lattice parameters which allow for a substantially coherent core-shell interface. The shell material can include a catalytically active metal. The circumferential stress of the shell material, Gee, at the core-shell interface and at the shell surface, is greater than 0 (tensile) or can be compressive of a lower magnitude than a catalyst made of the shell material alone. The crystal structures of the core material can often be the same as the shell material, although this is not always required. | 03-11-2010 |
20100075839 | EXHAUST GAS PURIFICATION CATALYST FOR INTERNAL COMBUSTION ENGINE - An exhaust gas purification catalyst includes a catalytic layer constituted by a heap of particles each obtained by applying a thin film of an oxygen storage material containing ceria to the surface of a base made of a material having a high-specific surface area, and allowing a precious metal to be supported on the surface of the thin film of the oxygen storage material. | 03-25-2010 |
20100087314 | Exhaust Gas-Purifying Catalyst - A high exhaust gas-purifying performance is achieved. An exhaust gas-purifying catalyst includes a substrate, a lower layer covering the substrate and including an oxygen storage material and palladium, and an upper layer covering the lower layer and including rhodium and a carrier supporting it. The lower layer is rhodium-free. The upper layer has an oxygen storage capacity lower than that of the lower layer. | 04-08-2010 |
20100099554 | EXHAUST GAS PURIFICATION CATALYST - An exhaust gas purification catalyst includes a support and a catalytic layer provided on the support. The catalytic layer contains: a NOx storage material which stores NOx in exhaust gas when an air-fuel ratio of the exhaust gas is leaner than a stoichiometric air-fuel ratio, and releases the NOx when the air-fuel ratio is close to the stoichiometric air-fuel ratio or richer than the stoichiometric air-fuel ratio; and CePr-based mixed oxide particles doped with a catalytic metal and formed by complexing at least Ce and Pr. The CePr-based mixed oxide particles contain a Ce oxide and a Pr oxide which are at least partially dissolved in each other. The catalytic metal is dissolved in the oxide particles. | 04-22-2010 |
20100105547 | OXIDATION CATALYST COMPOSITION AND PM OXIDATION CATALYST - [Object] To provide an oxidation catalyst composition excellent in low temperature activity and a PM oxidation catalyst which can oxidize or burn particulate and the like from an internal combustion engine even at relatively low temperatures.
| 04-29-2010 |
20100113262 | HIGH HEAT-RESISTANT CATALYST AND MANUFACTURING METHOD THEREOF - A high heat-resistant catalyst includes: noble metal particles; first compounds which contact the noble metal particles and suppress movement of the noble metal particles; and second compounds which envelop the noble metal particles and the first compounds, suppress the movement of the noble metal particles, and suppress coagulation of the first compounds following mutual contact of the first compounds. The first compounds support the noble metal particles, and single piece or aggregate of the first compounds supporting the noble metal particles are included in a section partitioned by the second compounds. A coefficient of linear thermal expansion of the second compounds is 1.2×10 | 05-06-2010 |
20100113263 | NON-PYROPHORIC SHIFT REACTION CATALYST AND METHOD OF PREPARING THE SAME - A non-pyrophoric shift reaction catalyst includes an oxide carrier impregnated with platinum (Pt) and cerium (Ce). The non-pyrophoric shift reaction catalyst may be prepared by uniformly mixing a platinum precursor, a cerium precursor, and an oxide carrier in a dispersing medium to obtain a mixture; drying the mixture; and calcining the dried mixture. The shift reaction catalyst having a non-pyrophoric property has an excellent reaction activity even at a low temperature and can efficiently remove carbon monoxide in fuel. | 05-06-2010 |
20100261602 | METHOD OF PRODUCING NOBLE METAL-SUPPORTED POWDER, NOBLE METAL-SUPPORTED POWDER AND EXHAUST GAS PURIFYING CATALYST - In the present invention, slurry is formed by mixing noble metal-supported powder particles ( | 10-14-2010 |
20100292076 | ULTRA HIGH TEMPERATURE SHIFT CATALYST WITH LOW METHANATION - A water gas shift catalyst for use at temperatures above about 450° C. up to about 900° C. or so comprising a partially reducible transition metal oxide without an active metal added thereto. | 11-18-2010 |
20100298132 | EXHAUST GAS-PURIFYING CATALYST - An exhaust gas-purifying catalyst ( | 11-25-2010 |
20110053765 | CARBON-BASED FOAM NANOCOMPOSITE HYDROGEN STORAGE MATERIAL - A carbon-based foam composite including a carbon-based foam and a solid state hydrogen storage material, methods for making the carbon-based foam composite, and methods for using the carbon-based foam composite. Representative carbon-based foams include cryogels, aerogels, and xerogels. Representative solid state hydrogen storage materials include metal hydrides and chemical hydrides. | 03-03-2011 |
20110071019 | EXHAUST GAS PURIFYING CATALYST AND MANUFACTURING METHOD OF THE SAME - An exhaust gas purifying catalyst ( | 03-24-2011 |
20110082031 | METHOD AND SYSTEM FOR MONITORING A HYDROCARBON ADSORBER - A catalyst and method of forming the catalyst includes a catalyst body having hydrocarbon adsorber material and oxygen storage capacity material disposed thereon. | 04-07-2011 |
20110082032 | EXHASUT GAS PURIFYING CATALYST - An exhaust gas purifying catalyst comprises a substrate having a through hole serving as a passage for exhaust gas; and a catalyst coating layer formed on an internal surface of the through hole. The catalyst coating layer contains: a component (i): a precious metal; and a component (ii): at least one of a Zr oxide, a Ce oxide and a ZrCe mixed oxide. On an upstream portion of the passage, an oxide equivalent weight of Zr is within a range of 51-100 wt % of an oxide equivalent weight of Zr and Ce contained in the component (ii). On a downstream portion of the passage, the component (ii) includes at least one of a Ce oxide and a ZrCe mixed oxide in which an oxide equivalent weight of Ce is within a range of 58-100 wt % of an oxide equivalent weight of Zr and Ce contained in the ZrCe mixed oxide. | 04-07-2011 |
20110092361 | Sulfur-Tolerant Catalyst Systems - Methods for improving the sulfur-tolerance of nickel-based catalyst systems, as well as the improved catalyst systems, are disclosed. The methods can include adding praseodymium alone, or in combination with ruthenium and/or cerium, to a nickel-based catalyst system, thereby inhibiting sulfur poisoning of the catalyst system. Improved catalyst systems can have an added amount of praseodymium alone, or in combination with ruthenium and/or cerium, sufficient to inhibit poisoning of the system by sulfur. | 04-21-2011 |
20110105316 | Mixed Metal Oxide Ingredients for Bulk Metal Oxide Catalysts - A bulk metal oxide catalyst can be prepared by combining metal oxide powders or oxide-producing species and reacting selected ingredients prior to their inclusion in the formulation of the catalyst. Mixed metal oxide phases can be designed and prepared for use as an ingredient for a bulk metal oxide catalyst to alter properties for catalytic performance or physical properties that would not be obtained using mixtures of singular metal oxide ingredients. | 05-05-2011 |
20110118113 | EXHAUST GAS PURIFYING CATALYST - Disclosed is an exhaust gas purifying catalyst, including Rh/Y—ZrO | 05-19-2011 |
20110152072 | CORE-SHELL STRUCTURE, PROCESS FOR ITS PRODUCTION, AND EXHAUST GAS PURIFICATION CATALYST COMPRISING CORE-SHELL STRUCTURE - There is provided a core-shell structure characterized by comprising a core section composed mainly of a first metal oxide and a shell section composed mainly of a second metal oxide different from the first metal oxide, wherein the thickness of the shell section is no greater than 20 nm. | 06-23-2011 |
20110160050 | Metal Oxide Sols - A sol includes metal oxide nanoparticles dispersed in an aqueous liquid, and further includes stabiliser ions. The metal oxide particles include one or more metals selected from a first group consisting of cerium, zirconium, iron, manganese and titanium, and one or more metals selected from a second group consisting of platinum, palladium, rhodium, ruthenium, iridium and osmium. The sols can be used to deposit catalytic coatings onto catalyst substrates, including substrates with narrow channels (i.e. channels with a diameter of less than 500 μm). | 06-30-2011 |
20110166014 | Composition Based on Cerium Oxide and On Zirconium Oxide Having A High Reducibility and High Specific Surface, Methods for the Preparation Thereof and Use As A Catalyst - The inventive composition is based on cerium oxide and on zirconium oxide in an atomic proportion Ce/Zr of at least 1, and has a reducibility rate of at least 70% and a surface area of at least 15 m; 2; /g. This composition is obtained by a method in which: a mixture is made containing cerium and zirconium compounds; this mixture is provided with a basic compound whereby obtaining a precipitate that is heated in an aqueous medium; a surfactant-type additive or a polyethylene glycol or a carboxylic acid is added to this medium or to the separated precipitate; the mixture is ground; the precipitate obtained thereof is calcined under inert gas or vacuum, in a first period of time, at a temperature of at least 850 .iC and then under an oxidizing atmosphere, in a second period of time, at a temperature of at least 400 .° C. | 07-07-2011 |
20110177939 | EXHAUST GAS PURIFYING CATALYST - An exhaust gas purifying catalyst is constituted by: noble metal particles ( | 07-21-2011 |
20110230337 | POROUS OXIDE CATALYST AND METHOD OF PREPARING THE POROUS OXIDE CATALYST - 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. | 09-22-2011 |
20110230338 | Layered Catalyst To Improve Selectivity Or Activity Of Manganese Containing Vanadium-Free Mobile Catalyst - Low temperature activity and high temperature ammonia selectivity of a vanadium-free selective catalytic reduction catalyst are controlled with a mixed oxide support containing oxides of titanium and zirconium, and a plurality of alternating layers respectively formed of a metal compound and titanium oxide present on the surface of the mixed oxide support. The metal compound is selected from the group consisting of manganese oxide, iron oxide, cerium oxide, tin oxide, and mixtures thereof. | 09-22-2011 |
20110245073 | DIESEL OXIDATION CATALYSTS - A catalyst composition comprises a particulate support and catalyst nanoparticles on the particulate support. The catalyst nanoparticles comprise an alloy of platinum and palladium in an atomic ratio of from about 25:75 to about 75:25 and are present in a concentration of between about 3 and about 10 wt % weight percent of the catalyst composition. The catalyst composition has an X-ray diffraction pattern that is substantially free of the (311) diffraction peak assignable to Pt | 10-06-2011 |
20110263417 | NON-ZEOLITE BASE METAL SCR CATALYST - An article for treating a gas containing nitrogen oxides including:
| 10-27-2011 |
20110301026 | EXHAUST GAS PURIFICATION CATALYST - An exhaust gas purification catalyst includes a catalytic layer on a carrier, in which a particle component A and a particle component B are mixed. The particle component A is composed of catalytic-metal-doped CeZr-based mixed oxide powder, and has a particle size distribution with a peak in a particle size range of equal to or greater than 100 nm and equal to or less than 300 nm. A CeO | 12-08-2011 |
20110319259 | Advanced catalyst system prepared from a whiskered aluminum-containing metallic alloy substrate - A method for whisker formation on the surface of aluminum-containing metallic alloy fibers and substrates provides a support structure for many technical, medical and pharmaceutical applications. The novel surface modification of metallic alloy fibers and other metallic substrates involves heating the fiber or substrate in air at temperatures ranging from approximately 800° C. to approximately 1000° C. for a period of time ranging from approximately 10 hours to approximately 100 hours to form whiskers. The use of a metal oxide coating with large ions, such as zirconium oxide, allows the formation of alumina whiskers while preserving the structural integrity of the metallic alloy substrate. Uses of the present invention include, but are not limited to an advanced catalyst support, a highly efficient filter medium, a support for implants and the like. | 12-29-2011 |
20120021899 | EXHAUST GAS PURIFYING CATALYST - An exhaust gas purifying catalyst that contains a first oxygen storage material on which no noble metal is supported and which has a pyrochlore phase type regular array structure, and a second oxygen storage material which has a higher oxygen storage rate and a lower oxygen storage capacity than the first oxygen storage material and on which a platinum group noble metal is supported. | 01-26-2012 |
20120028795 | Methods For Producing Nanoparticles Using Palladium Salt And Uses Thereof - The disclosed subject matter is directed to a method for producing nanoparticles, as well as the nanoparticles produced by this method. In one embodiment, the nanoparticles produced by the disclosed method have a high defect density. | 02-02-2012 |
20120094826 | EXHAUST GAS PURIFYING CATALYST - An exhaust gas purifying catalyst includes: a support that contains at least one element that is selected from the first group that consists of Al, Zr and Ce, at least one element that is selected from the second group that consists of Ag, Mn, Co, Cu and Fe, and Ti; and particles that are composed of a metal or oxide of at least one element that is selected from the third group that consists of Ag, Mn, Co, Cu and Fe and that are deposited on the support. Seventy percent or more of any plurality of measurement points with a diameter of 2 nm on a surface of the support are composed of a composite part that has the at least one element selected from the second group content of 0.5 to 10 mol % and has a Ti content of 0.3 mol % or greater. | 04-19-2012 |
20120094827 | EXHAUST GAS-PURIFYING CATALYST AND METHOD OF PRODUCING SAME - The exhaust gas-purifying catalyst includes a first oxide particle with an oxygen storage capacity, one or more second oxide particles partially or entirely covering a surface of the first oxide particle and having an oxygen storage capacity lower than that of the first oxide particle, an average particle diameter D | 04-19-2012 |
20120122673 | OXIDATION CATALYST AND METHOD FOR PRODUCING THE OXIDATION CATALYST - An oxidation catalyst is disclosed, which contains Ce and Ga, and a Ce—Ga composite oxide containing a solid solution in which a part of Ce is substituted with Ga. This oxidation catalyst is obtained in such a manner that pH of a mixed solution obtained by mixing a Ce-containing solution and a Ga-containing solution together is adjusted, and a precipitate obtained by coprecipitating Ce and Ga is dried and baked. | 05-17-2012 |
20120129690 | Porous inorganic composite oxide - A porous inorganic composite oxide containing oxides of aluminum and of cerium and/or zirconium, and, optionally, oxides of one or more dopants selected from transition metals, rare earths, and mixtures thereof, and having a specific surface area, in m | 05-24-2012 |
20120172212 | Tri-layer structured metal oxides composite material and method for manufacturing the same - The present invention disclosed a tri-layer structured metal composite oxides material which used in a catalyst coat for purifying vehicle exhaust gas, and the method for manufacturing the same. | 07-05-2012 |
20120264597 | CEAlO3 PEROVSKITES CONTAINING TRANSITION METAL - Disclosed herein is a perovskite represented by the following Formula (I): A | 10-18-2012 |
20120277094 | CATALYST SUPPORT OR CATALYST, AND PROCESS FOR PRODUCING THE SAME - A catalyst support can be produced by undergoing solution-preparation step S | 11-01-2012 |
20120283091 | CATALYST FOR CONVERTING EXHAUST GASES - A catalyst for purifying exhaust gases includes a substrate, and a catalytic layer. The catalytic layer includes a lower catalytic layer, a first upper catalytic layer, and a second upper catalytic layer. The lower catalytic layer being loaded with Pd and/or Pt is formed on the substrate. The first upper catalytic layer being loaded with Pd covers an upstream side of the lower catalytic layer, and exhibits a concentration of loaded Pd that falls in a range of from 4.5 to 12% by mass when the entirety of the first upper catalytic layer is taken as 100% by mass. The second upper catalytic layer being loaded with Rh covers a downstream side of the lower catalytic layer. | 11-08-2012 |
20120283092 | Stable Sub-Micron Titania Sols - The present invention is directed to compositions and processes for the production of stable, alkaline, high solids, low viscosity, low surface tension, low flammability, sub-micron titania sols that have minimal offensive odor and methods of their use. Compositions of the present invention include, for example, mixtures of strong and weak organic bases used as dispersants to stabilize the titania sols. The dispersant mixtures have been found to result in relatively high titania solids content, low surface tension, low viscosity suspensions that are low in flammability. Sols produced according to the present invention can be used, for example, in catalytic applications such as catalyst supports for diesel emission control, or in pollutant photocatalyst applications in which it is desirable to have the titania in sol form. | 11-08-2012 |
20120295787 | EXHAUST GAS PURIFYING CATALYST - An exhaust gas purifying catalyst includes a catalyst powder that includes a ceria-zirconia composite oxide on which platinum (Pt) is supported, and a Ce/alumina powder that includes alumina which contains cerium (Ce) in the structure thereof. The Ce/alumina undergoes only a slight decrease in specific surface area even in a lean atmosphere at a high temperature. The Pt supported on the ceria-zirconia composite oxide forms a Pt—O—Ce bond with the Ce present on surfaces of Ce/alumina so that migration of Pt is restrained and sintering of Pt is prevented. | 11-22-2012 |
20120309616 | CERIUM OXIDE-ZIRCONIUM OXIDE COMPOSITE OXIDE AND METHOD FOR PRODUCING THE SAME - The present invention provides a cerium oxide-zirconium oxide based composite oxide that has a large OSC at a low temperature and that has a suitable OSC, and a method for readily producing the composite oxide. Specifically, the present invention provides a cerium oxide-zirconium oxide based composite oxide comprising a mixture of (1) a cerium-zirconium composite oxide from a melting process and (2) cerium dioxide from a wet process, and a method for producing a cerium oxide-zirconium oxide based composite oxide, the method comprising dispersing a cerium-zirconium composite oxide from a melting process in a cerium-containing solution, neutralizing the resulting dispersion; and then performing a heat treatment. | 12-06-2012 |
20130017947 | CERIA ZIRCONIA ALUMINA COMPOSITION WITH ENHANCED THERMAL STABILITYAANM Schermanz; KarlAACI LaunsdorfAACO ATAAGP Schermanz; Karl Launsdorf ATAANM Sagar; AmodAACI AlthofenAACO ATAAGP Sagar; Amod Althofen ATAANM Schoneborn; MarcosAACI HamburgAACO DEAAGP Schoneborn; Marcos Hamburg DEAANM Glockler; ReinerAACI St. MichaelisdonnAACO DEAAGP Glockler; Reiner St. Michaelisdonn DEAANM Dallmann; KaiAACI BrunsbuttelAACO DEAAGP Dallmann; Kai Brunsbuttel DEAANM Alber; FrankAACI HamburgAACO DEAAGP Alber; Frank Hamburg DEAANM Rolfs; SonkeAACI ItzehoeAACO DEAAGP Rolfs; Sonke Itzehoe DE - A process for the preparation of a calcined mixed oxide comprising Al-, Ce- and Zr-oxides, comprising the steps of providing an aqueous slurry comprising hydroxides of cerium and zirconium, contacting the hydroxides of cerium and zirconium with an alumina precursor to obtain an aqueous suspension of solids, isolating the solids from the aqueous suspension and drying to obtain a solid composition, calcining the solid composition of step (c) at a temperature from 450° C. to 1200° C. for at least 1 hour to obtain a calcined mixed oxide. | 01-17-2013 |
20130029838 | EXHAUST GAS PURIFYING CATALYST - An exhaust gas purifying catalyst includes a substrate that defines an exhaust gas passage; a lower catalyst layer formed over the substrate, and an upper catalyst layer formed over the lower catalyst layer. The lower catalyst layer has a lower catalytic precious metal that contains at least one of Pt and Pd, and a lower-layer carrier that supports the lower catalytic precious metal. The upper catalyst layer has an upper catalytic precious metal that contains Rh, and an upper-layer carrier that supports the upper catalytic precious metal. The upper-layer carrier includes an inorganic mixed oxide that contains Ce, Zr, Al, Nd, and at least one element selected from the group consisting of rare earth elements other than Ce and alkaline earth elements. The Nd is unevenly distributed in covering layers that covers surfaces of interior regions within the inorganic mixed oxide. | 01-31-2013 |
20130029839 | CATALYSTS FOR THE OXIDATIVE REFORMING OF ALCOHOLS - The present invention relates to processes for the oxidative reforming of alcohols catalysed by metal catalysts on an oxide support that can be carried out at temperatures lower than 500° C., also showing a high conversion index, but maintaining a high selectivity as regards product distribution. Preferably, the starting material used in the processes is glycerol. | 01-31-2013 |
20130029840 | CERIA-ZIRCONIA BASE COMPOSITE OXIDE, METHOD FOR PRODUCING THE SAME, AND CATALYST FOR PURIFICATION OF EXHAUST GAS USING THE CERIA-ZIRCONIA BASE COMPOSITE OXIDE - A ceria-zirconia base composite oxide contains a composite oxide of ceria and zirconia. In the ceria-zirconia base composite oxide, a content ratio between cerium and zirconium in the composite oxide is in a range from 43:57 to 48:52 in terms of molar ratio ([cerium]: [zirconium]). An intensity ratio of a diffraction line at 2θ=14.5° to a diffraction line at 2θ=29° {I(14/29) value} and an intensity ratio of a diffraction line at 2θ=28.5° to the diffraction line at 2θ=29° {I(28/29) value}, which are calculated from an X-ray diffraction pattern obtained by an X-ray diffraction measurement using CuKa after heating under a temperature condition of 1100° C. in air for 5 hours, respectively satisfy the following conditions: | 01-31-2013 |
20130072379 | METHOD OF MANUFACTURING CATALYST COATING SOLUTION AND CATALYST BODY USING THE SAME - A method of preparing a catalyst coating solution may realize high purification performance by preventing the active surface of a catalyst from being reduced, and may greatly improve the durability of a catalyst by preventing soot from directly coming into contact with a catalyst layer containing a precious metal so that the catalyst layer can continuously exhibit proper purification performance. A method of manufacturing a catalyst body using the catalyst coating solution, and a catalyst body manufactured by the method are also described. | 03-21-2013 |
20130079217 | Method of Fabricating Fuel Reforming Catalyst for SOFC Power Generating System - A fuel reforming catalyst is fabricated. The catalyst is used in solid oxide fuel cell. By using the catalyst, the hydrogen generation is enhanced with a great reforming ratio. In addition, the catalyst is coking-resistant and will not be broken into powder after a long time of use. | 03-28-2013 |
20130079218 | COMPONENT HAVING A CATALYTIC SURFACE, METHOD FOR PRODUCING SAME AND USE OF SAID COMPONENT - A component includes a catalyst surface having regions of CeO2 and regions of MnO2 that contact the regions of CeO2. Said material pairings may provide an improved catalytic effect compared to pure oxides. Said surfaces can, for example, also be used in indoor air purification to reduce the ozone content. The surface can, for example, be applied by coating the component and processed by cold-gas spraying of, for example, particles made of MnO2, to which CeO2 is applied. | 03-28-2013 |
20130095997 | METHOD FOR PRODUCING CATALYST COMPOSITION, CATALYST COMPOSITION, DIESEL PARTICULATE FILTER USING THE SAME, AND EXHAUST GAS PURIFICATION SYSTEM - Provided is a catalyst having the ability to combust PM at relatively low temperatures and having high HC and CO removal (conversion) efficiency even at the above operating temperature. In the catalyst composition, at least one kind of platinum group element selected from Pt, Rh, and Pd is dispersed in and supported by a platinum group-supporting carrier containing at least one kind of element selected from Zr, Al, Y, Si, Bi, Pr, and Tb, and the platinum group-supporting carrier is supported on the surface of a Ce oxide containing Ce as an essential component. The catalyst composition has both PM combustion activity and gas purification activity. | 04-18-2013 |
20130143732 | EXHAUST GAS PURIFYING CATALYST - The object of the invention is to provide an exhaust gas purifying catalyst having a high oxygen storage capacity without changing the usage amount of the oxygen storage component. According to the present invention, the exhaust gas purifying catalyst containing (a) a ceria-zirconia composite oxide containing ceria in a higher amount than zirconia, (b) a ceria-zirconia composite oxide containing zirconia in a higher amount than ceria, and (c) a ceria-zirconia composite oxide having a pyrochlore-type regular array structure is provided. The exhaust gas purifying catalyst of the present invention has a higher oxygen storage capacity than conventional catalysts and is effective in reducing the amount of NOx emission. | 06-06-2013 |
20130203587 | METHOD FOR PRODUCING CATALYST FOR PURIFICATION OF EXHAUST GAS - Provided is a method for producing a catalyst for purification of exhaust gas, including the steps of: adding Zr ions to a solution containing a platinum hydroxide polymer; diluting the solution to which the Zr ions are added by using an aqueous ammonium acetate solution; immersing a support made of Al | 08-08-2013 |
20130260987 | EXHAUST GAS CLEANING CATALYST - An exhaust gas cleaning catalyst for an internal combustion engine includes a cerium-containing oxide, palladium supported on the cerium-containing oxide, zinc supported on the cerium-containing oxide, and barium supported on the cerium-containing oxide. | 10-03-2013 |
20130274096 | CATALYST SUPPORT MATERIALS WITH OXYGEN STORAGE CAPACITY (OSC) AND METHOD OF MAKING THEREOF - A new type of catalyst support with oxygen storage capacity (OSC) and methods of making the same are disclosed. The composition ratio is x(Ce | 10-17-2013 |
20130288890 | AMMONIA OXIDATION/DECOMPOSITION CATALYST - Provided is an ammonia oxidation/decomposition catalyst which can decrease the reduction temperature of a support, which is required for the catalyst to have a property of being activated at room temperature, and also can render a property of being activated at a temperature lower than room temperature. The ammonia oxidation/decomposition catalyst of the present invention is an ammonia oxidation/decomposition catalyst, comprising: a catalyst support composed of a composite oxide of cerium oxide and zirconium oxide; and at least one metal selected from the group consisting of metals of group 6A, group 7A, group 8, and group 1B as a catalytically active metal deposited thereon, characterized in that the molar concentration of zirconium oxide in the catalyst support is from 10 to 90%. | 10-31-2013 |
20130288891 | CATALYSTS AND PROCESS FOR PRODUCING SAME - A catalyst, a hydrocarbon steam reforming catalyst, and a method for producing the same are provided. A catalytic metal containing at least Ni is supported on a composite oxide containing R, Zr, and oxygen, at a composition of not less than 10 mol % and not more than 90 mol % of R, not less than 10 mol % and not more than 90 mol % of Zr, and not less than 0 mol % and not more than 20 mol % of M (M: elements other than oxygen, R, and Zr), with respect to the total of the elements other than oxygen being 100 mol %, wherein the composite oxide has a specific surface area of 11 to 90 m | 10-31-2013 |
20140005042 | CATALYSTS FOR USE IN STEAM REFORMING PROCESSES | 01-02-2014 |
20140038812 | EXHAUST GAS-PURIFYING CATALYST | 02-06-2014 |
20140100106 | CATALYST FOR DECOMPOSING NITROGEN OXIDE AND PREPARATION METHOD THEREOF - Provided is a catalyst including: a support including titanium oxide; an active catalyst component including vanadium oxide; and a co-catalyst including antimony and cerium, in which the catalyst is included in a deNox reduction reaction that decomposes nitrogen oxide. The catalyst may improve sulfur poisoning tolerance characteristics while improving the deNox efficiency at a temperature in a wide range from low temperature to high temperature. | 04-10-2014 |
20140113809 | Method of Modifying Nano-Porous Gas-Reforming Catalyst with High-Temperature Stability - A gas-reforming catalyst is modified to obtain stability in high temperature. The catalyst uses α-Al | 04-24-2014 |
20140141967 | CERIA ZIRCONIA ALUMINA COMPOSITION WITH ENHANCED THERMAL STABILITY - A process for the preparation of a composition comprising Al-, Ce- and Zr-oxides, which process comprises the steps of (a) preparing an aqueous solution of a mixture of metal salts of cerium, zirconium and aluminium, which aqueous solution optionally comprises one or more salts of the Rare Earth Metals other than cerium, (b) adding to the solution obtained a base at temperatures from 0° C. to 95° C. and precipitating the mixed metal salts in the form of hydroxides or oxy-hydroxides, (d) treating the aqueous suspension obtained in step (b) with a surfactant, and (e) isolating the precipitate obtained in step (d) and treating said precipitate at a temperature from 450° C. to 1200° C., which process is characterized in that the alumina content is in the range from 35 to 80% by weight, and the surface area (BET) of the composition obtained, measured according to DIN (Deutsche Industrie Norm) 66131 after calcining for 2 hours at 1100° C. is from 55 to 80 m | 05-22-2014 |
20140171302 | LNT CATALYST WITH ENHANCED NITROGEN OXIDE STORAGE CAPACITY AT LOW TEMPERATURE - Disclosed is a lean NOx trap (LNT) catalyst with enhanced NOx storage capacity at low temperature. More particularly, an LNT catalyst with enhanced NOx storage capacity at low temperature and significantly inhibited thermal desorption is prepared by coating a washcoat on a honeycomb-type carrier and drying and baking the same. The washcoat contains a first catalyst powder in which barium (Ba) and a precious metal are supported on a ceria support, and a second catalyst powder in which a precious metal is supported on a magnesium (Mg)-substituted alumina support The LNT catalyst of the present invention is useful as a NOx reducing catalyst for a passenger diesel vehicle. | 06-19-2014 |
20140171303 | OXIDE CATALYST - An oxide catalyst for use in an oxidation reaction of an olefin and/or an alcohol, the oxide catalyst comprising: the oxide catalyst contains molybdenum, bismuth, iron, cobalt, and cerium; an atomic ratio a of bismuth to 12 atoms of molybdenum is 2≦a≦6, an atomic ratio b of iron to 12 atoms of molybdenum is 2.5 | 06-19-2014 |
20140213441 | ELECTROCATALYTIC MATERIALS AND METHODS FOR MANUFACTURING SAME - The present invention provides an electrocatalytic material and a method for making an electrocatalytic material. There is also provided an electrocatalytic material comprising amorphous metal or mixed metal oxides. There is also provided methods of forming an electrocatalyst, comprising an amorphous metal oxide film. | 07-31-2014 |
20140235433 | EXHAUST GAS PURIFICATION CATALYST AND METHOD FOR PRODUCING THE SAME - An exhaust gas purification catalyst includes a Rh-containing catalyst layer provided on a base material. The Rh-containing catalyst layer includes Rh-supporting Zr-based composite oxide in which Rh6 is supported on Zr-based composite oxide containing Zr and a rare earth metal except Ce. The Rh-supporting Zr-based composite oxide has been previously subjected to a reduction treatment. | 08-21-2014 |
20140235434 | EXHAUST GAS PURIFICATION CATALYST AND METHOD FOR PRODUCING THE SAME - An exhaust gas purification catalyst includes a Rh-containing catalyst layer provided on a base material. The Rh-containing catalyst layer includes a binder material of Rh-doped CeZr-based composite oxide containing Ce and Zr and doped with Rh. The binder material has been previously subjected to a reduction treatment. | 08-21-2014 |
20140274676 | Catalytic Article With Segregated Washcoat And Methods Of Making Same - Provided herein are catalytic articles and methods of making same using a single coat process. The catalytic article comprises an elongated substrate monolith having a plurality of longitudinally extending passages, each passage having at least a first surface and a second surface opposite the first surface, the first and second surfaces coated with at least a first coating and a second coating, wherein the first coating comprises a first catalyst composition and overlies the second coating on the first surface, the second coating comprises a second catalyst composition and overlies the first coating on the second surface, and wherein the first catalyst composition and second catalyst composition have a difference in surface charge. The washcoat may be applied as one slurry, which then self-segregates into two coatings. | 09-18-2014 |
20140302983 | System and Method for Two and Three Way NB-ZR Catalyst - Disclosed here are material formulations of use in the conversion of exhaust gases, where the formulations may include Niobium (Nb), Zirconium (Zr) and combinations thereof. | 10-09-2014 |
20140323294 | Exhaust Gas Purifying Catalyst Composition and Exhaust Gas Purifying Catalyst - Provided is a catalyst composition using other metals different from noble metals as a catalytic activity component and which has an excellent catalytic activity even after a thermal duration treatment. Provided are an exhaust gas purifying catalyst composition which includes ceria-zirconia particles with a feature in that a peak arising from (111) plane is divided into two peak tops in an XRD pattern and in which a transition metal including at least one of Cu, Cr, Fe, Mn, Co, Ni, and Ag is supported on the ceria-zirconia particles, and a catalyst using the exhaust gas purifying catalyst composition. | 10-30-2014 |
20140357480 | EXHAUST GAS PURIFICATION CATALYST - An exhaust gas purification catalyst is provided with a substrate and a catalyst coating layer formed on the surface of the substrate. The catalyst coating layer is formed into a layered structure having upper and lower layers, with a lower layer being closer to the surface of the substrate and an upper layer being relatively farther therefrom. The catalyst coating layer is provided with Rh and Pd as precious metal catalysts and is provided with an OSC material having an oxygen storage capacity as a support. The Rh is disposed in the upper layer of the catalyst coating layer, and the Pd is disposed in both the upper layer and the lower layer of the catalyst coating layer. At least a portion of the Pd in the upper layer and in the lower layer is supported on the OSC material. The mass ratio of the Pd disposed in the upper layer to the Pd disposed in the lower layer is not more than 0.4. | 12-04-2014 |
20140371059 | MULTIFUNCTIONAL CERIUM-BASED NANOMATERIALS AND METHODS FOR PRODUCING THE SAME - Embodiments relate to a cerium-containing nano-coating composition, the composition including an amorphous matrix including one or more of cerium oxide, cerium hydroxide, and cerium phosphate; and crystalline regions including one or more of crystalline cerium oxide, crystalline cerium hydroxide, and crystalline cerium phosphate. The diameter of each crystalline region is less than about 50 nanometers. | 12-18-2014 |
20150018203 | Optimization of Zero-PGM Washcoat and Overcoat Loadings on Metallic Substrate - The present disclosure refers to a plurality of process employed for optimization of Zero-PGM washcoat and overcoat loadings on metallic substrates. According to an embodiment a substantial increase in conversion of HC and CO may be achieved by optimizing the total washcoat and overcoat loadings of the catalyst. According to another embodiment, the present disclosure may provide solutions to determine the optimum total washcoat and overcoat loadings for minimizing washcoat adhesion loss. As a result, may increase the conversion of HC and CO from discharge of exhaust gases from internal combustion engines, optimizing performance of Zero-PGM catalyst systems. | 01-15-2015 |
20150018204 | Minimizing Washcoat Adhesion Loss of Zero-PGM Catalyst Coated on Metallic Substrate - Solutions to the problem of washcoat and/or overcoat adhesion loss of ZPGM catalyst on metallic substrates are disclosed. Present disclosure provides an enhanced process for improving WCA to metallic substrates of ZPGM catalyst systems. Reduction of WCA loss and improved catalyst activity may be enabled by the selection of processing parameters determined from variation of rheological properties by the solid content of the overcoat slurry and variation of the overcoat slurry particle size distribution to produce desirable homogeneity, specific loading, and adherence of the coating on metallic substrates. Processing parameters may be applied to a plurality of metallic substrates of different geometries and cell densities. | 01-15-2015 |
20150031530 | ENGINE EXHAUST CATALYSTS CONTAINING COPPER-CERIA - An emission control catalyst includes copper-ceria to boost low temperature CO oxidation performance, generate exothermic heat during the process, and reduce HC and NO | 01-29-2015 |
20150038325 | CATALYST COMPOSITION FOR EXHAUST GAS CLEANING AND CATALYST FOR AUTOMOBILE EXHAUST GAS CLEANING - The present invention is to provide an exhaust gas purification catalyst composition and a catalyst for exhaust gas purification for automobile, superior in purification performance of a carbon monoxide (CO), a hydrocarbon (HC) and nitrogen oxides (NO | 02-05-2015 |
20150080211 | IRON OXIDE-ZIRCONIA COMPOSITE OXIDE AND METHOD FOR PRODUCING SAME, AND EXHAUST GAS PURIFICATION CATALYST - A composite oxide with a high oxygen storage capacity is provided without using cerium. The composite oxide is an iron oxide-zirconia composite oxide containing iron, zirconium, and a rare-earth element. The total content of Fe | 03-19-2015 |
20150087504 | Palladium Catalyst - Provided is a palladium catalyst in which palladium (Pd) is used as a catalyst active component, and particularly a novel palladium catalyst which can purify CO and THC with high efficiency even under a fuel-rich atmosphere having a high space velocity (SV). Proposed is a palladium catalyst having a substrate and a catalyst layer that contains palladium acting as a catalyst active component, an inorganic porous material acting as a catalyst support and ceria (CeO | 03-26-2015 |
20150111728 | Method of Fabricating Honeycomb Catalyst of Nano Metal Oxides for Natural Gas Reforming - A honeycomb catalyst is fabricated. The catalyst is made of nano metal oxides. The catalyst is used for natural gas reforming. The present invention can be applied in related fields of fuel cells and fuel power systems. The catalyst thus fabricated can be mass-produced, obtain low resistance, enhance surface activity, reduce carbon deposition, improve product performance and prolong use life. | 04-23-2015 |
20150111729 | EXHAUST GAS TREATMENT CATALYST - Catalyst system suitable especially for the removal of CO compounds, comprising or consisting of an oxide, preferably of fluorite crystalline structure, conforming to the following molar formulation: | 04-23-2015 |
20150148220 | Process for Elimination of Hexavalent Chromium Compounds on Metallic Substrates within Zero-PGM Catalyst Systems - Process for manufacturing ZPGM catalysts systems that may allow the prevention of formation or the conversion of corrosion causing compounds, such as hexavalent chromium compounds, within ZPGM catalyst systems is disclosed. In one embodiment, disclosed ZPGM catalysts systems, may include metallic substrate, which may include alloys of iron and chromium, a washcoat and an overcoat. Disclosed manufacturing process may include a thermal decomposition of hexavalent chromium compounds which may allow the decomposition of such compounds into trivalent chromium compounds, and may also produce metallic catalyst, such as silver. Such conversion may prevent corrosion formation, such as red color corrosion within ZPGM catalyst system. An embodiment of the disclosed process may include a reducing agent, which may be present in exhaust conditions, which may convert hexavalent chromium compounds into trivalent chromium compounds as well as produce metallic catalyst, such as silver. Employing the disclosed manufacturing process may allow the production of ZPGM catalyst systems that may exhibit high activity and enhanced performance. | 05-28-2015 |
20150290621 | COMPOSITE OXIDE MATERIAL AND EXHAUST GAS PURIFYING CATALYST USING THE SAME - The object of the present invention is to provide an oxygen storage material used for an exhaust gas purifying catalyst that is superior in stability at high temperatures. The composite oxide material of the invention comprises crystalline particles of a ceria-zirconia composite oxide with a pyrochlore structure and crystals of a ceria-zirconia composite oxide with a fluorite structure on the particle surface, in which the crystals of the ceria-zirconia composite oxide with a fluorite structure contains zirconia in a larger amount than that of ceria, and such crystals are integrated with the crystalline particles of the ceria-zirconia composite oxide with a pyrochlore structure. The composite oxide material of the invention has high oxygen storage capacity that is less likely to decrease at high temperatures. | 10-15-2015 |
20150292095 | OXYGEN EVOLUTION REACTION CATALYSIS - An Oxygen Evolution Reaction (OER) catalyst includes a metal oxide that includes oxygen, cerium, and one or more second metals. In some instances, the cerium is 10 to 80 molar % of the metals in the metal oxide and/or the catalyst includes two or more second metals. The OER catalyst can be included in or on an electrode. The electrode can be arranged in an oxygen evolution system such that the Oxygen Evolution Reaction occurs at the electrode. | 10-15-2015 |
20150306577 | CATALYST AND PROCESS FOR PRODUCING SAME - A catalyst, a hydrocarbon steam reforming catalyst, and a method for producing the same are provided. A catalytic metal containing at least Ni is supported on a composite oxide containing R, Zr, and oxygen, at a composition of not less than 10 mol % and not more than 90 mol % of R, not less than 10 mol % and not more than 90 mol % of Zr, and not less than 0 mol % and not more than 20 mol % of M (M: elements other than oxygen, R, and Zr), with respect to the total of the elements other than oxygen being 100 mol %, wherein the composite oxide has a specific surface area of 11 to 90 m | 10-29-2015 |
20150352530 | CATALYST COMPOSITION FOR EXHAUST GAS PURIFICATION AND CATALYST FOR EXHAUST GAS PURIFICATION - The invention relates to a catalyst composition using other metals different from precious metals as a catalytically active component and is to propose a novel catalyst composition for exhaust gas purification which has excellent catalytic activity, in particular, excellent treatment activity of HC even after a thermal durability treatment. The invention is to propose a catalyst composition for exhaust gas purification comprising catalyst particles having a constitution in which Cu and a transition metal A including at least one of Cr, Fe, Mn, Co, Ni, Zr, and Ag are supported on ceria (CeO | 12-10-2015 |
20150352533 | Base Metal Activated Rhodium Coatings for Catalysts in Three-Way Catalyst (TWC) Applications - Close-coupled catalysts (CCC) for TWC applications are disclosed. The novel CCCs are implemented using light-weighted ceramic substrates in which a thin coating employing a low loading of Iron (Fe)-activated Rhodium (Rh) material composition, with Iron loadings and an OSM of Ceria-Zirconia, are deposited onto the substrates. Different CCC samples are produced to determine and/or verify improved light-off (LO) and NO | 12-10-2015 |
20150375202 | CERIA-ZIRCONIA COMPLEX OXIDE MATERIAL AND METHOD FOR PRODUCING SAME | 12-31-2015 |
20160001271 | METHOD FOR PREPARING REFRACTORY ALLOY-BASED POLYMETALLIC OXIDE CATALYSTS FOR THE PARTIAL OXIDATION OF HYDROCARBONS INTO SYNTHESIS GAS - The invention relates to a method for preparation of oxide-polymetallic catalysts containing platinum-group metals for steam-oxidative conversion to obtain carbon monoxide and hydrogen. The method comprises treatment of NiO and CO | 01-07-2016 |
20160038918 | NOx STORAGE REDUCTION CATALYST AND PRODUCTION METHOD THEREOF - An NOx storage reduction catalyst includes a catalyst support, and a catalyst metal and an NOx storage material supported thereon, wherein the catalyst metal is composed of a platinum-gold solid solution, and has a gold content of greater than 1 mol % but 20 mol % or less relative to the total molar number of platinum and gold contained in the catalyst metal. A method for producing an NOx storage reduction catalyst includes adding sodium borohydride to a mixed solution containing platinum ions and gold ions, thereby reducing the platinum ions and the gold ions to produce a catalyst metal composed of a platinum-gold solid solution; purifying the catalyst metal; and supporting the catalyst metal and an NOx storage material on a catalyst support. | 02-11-2016 |
20160038927 | POROUS HONEYCOMB STRUCTURE AND PRODUCING THE SAME - A porous honeycomb structure including multiple co-catalyst particles and multiple inorganic binder particles of smaller particle diameter than the co-catalyst particles. Each co-catalyst particle is comprised of a ceria-zirconia solid solution. The inorganic binder particles reside between the co-catalyst particles. In the honeycomb structure, an exposure fraction of the co-catalyst particles from the inorganic binder particles on a cross-section of the honeycomb structure is within a range of 3 to 10%. | 02-11-2016 |
20160074855 | THREE-WAY CATALYTIC CONVERTER USING NANOPARTICLES - The present disclosure relates to a substrate comprising nanomaterials for treatment of gases, washcoats for use in preparing such a substrate, and methods of preparation of the nanomaterials and the substrate comprising the nanomaterials. More specifically, the present disclosure relates to a substrate comprising nanomaterial for three-way catalytic converters for treatment of exhaust gases. | 03-17-2016 |
20160101409 | CATALYSTS FOR RENEWABLE HYDROGEN PRODUCTION - A catalyst for steam reforming. The catalyst comprises an active site of NiCu or NiCuZn, from about 15 wt % to about 25 wt % of the catalyst, a composition comprising at least one promoter and at least one support modifier, from about 5 wt % to about 30 wt % of the catalyst, and a support. | 04-14-2016 |
20160114312 | Open-Cell Materials for Use in Thermochemical Fuel Production Processes - The present invention provides for a structure for use in a thermo chemical fuel production process, said structure having a void phase and a solid phase, wherein the structure has an effective total optical thickness for solar radiation or effective total optical thickness for infrared radiation of from 0.1 to 10, wherein the solid phase has a geometrical specific surface area of more than 2*10 | 04-28-2016 |
20160121304 | Sulfur Resistance of Zero-PGM for Diesel Oxidation Application - Sulfur tolerant oxidation catalysts with significant oxidation capabilities are disclosed. A plurality of catalyst samples may be prepared including ZPGM material compositions of YMnO | 05-05-2016 |
20160151764 | Exhaust Gas Purifying Catalyst | 06-02-2016 |
20160184801 | CERIA-ZIRCONIA-BASED COMPOSITE OXIDE AND METHOD FOR PRODUCING SAME, AND EXHAUST GAS PURIFICATION CATALYST INCLUDING CERIA-ZIRCONIA-BASED COMPOSITE OXIDE - A ceria-zirconia-based composite oxide containing a composite oxide of ceria and zirconia is provided, in which primary particles having a particle diameter of 1.5 to 4.5 μm account for, on a particle number basis, at least 50% of all primary particles in the ceria-zirconia-based composite oxide, and the molar ratio of cerium to zirconium in the ceria-zirconia-based composite oxide is between 43:57 and 55:45. | 06-30-2016 |
20160375425 | Method of Fabricating Annular Carrier Catalyst - A method is provided for fabricating a carrier catalyst. The carrier catalyst uses an annular carrier of α-alumina (α—Al | 12-29-2016 |
20170232424 | EXHAUST GAS PURIFICATION CATALYST AND PRODUCTION METHOD THEREOF | 08-17-2017 |
20170232425 | EXHAUST GAS PURIFYING CATALYST | 08-17-2017 |
20180021726 | EXHAUST GAS PURIFICATION CATALYST | 01-25-2018 |
20180022604 | Functional Platform for Rapid Capture and Removal of Nanoparticles | 01-25-2018 |
20190143312 | HONEYCOMB STRUCTURE AND PRODUCTION METHOD FOR SAID HONEYCOMB STRUCTURE | 05-16-2019 |
20190143313 | HONEYCOMB STRUCTURE AND PRODUCTION METHOD FOR SAID HONEYCOMB STRUCTURE | 05-16-2019 |