Class / Patent application number | Description | Number of patent applications / Date published |
502305000 | Of Group VI (i.e., Cr, Mo, W or Po) | 74 |
20090253575 | PHOTOCATALYST DISPERSING ELEMENT, METHOD FOR MANUFACTURING PHOTOCATALYST DISPERSING ELEMENT, PHOTOCATALYST ELEMENT, METHOD FOR MANUFACTURING PHOTOCATALYST ELEMENT - A photocatalyst dispersing element includes: a photocatalyst material; and a solvent. A hydrogen-ion exponent of the solvent is in a range of pH 2.1 or more and pH 5.7 or less. A method for manufacturing a photocatalyst dispersing element includes: adjusting a hydrogen-ion exponent in a solvent to be in a range of inhibiting aggregation of a photocatalyst material and of suppressing lowering of a degree of catalytic activity of the photocatalyst material; and mixing the photocatalyst material with the solvent. | 10-08-2009 |
20100204040 | VISIBLE-LIGHT-RESPONSIVE PHOTOCATALYST POWDER, METHOD OF MANUFACTURING THE SAME, AND VISIBLE-LIGHT-RESPONSIVE PHOTOCATALYTIC MATERIAL, PHOTOCATALYTIC COATING MATERIAL AND PHOTOCATALYTIC PRODUCT EACH USING THE SAME - A visible-light-responsive photocatalyst powder includes a tungsten oxide powder. When the tungsten oxide powder is measured by X-ray diffractometry, (1) among intensity ratios of a peak A (2θ=22.8 to 23.4°), a peak B (2θ=23.4 to 23.8°), a peak C (2θ=24.0 to 24.25°), and a peak D (2θ=24.25 to 24.5°), an A/D ratio and a B/D ratio each fall within a range of 0.5 to 2.0, and a C/D ratio falls within a range of 0.04 to 2.5, (2) an intensity ratio (E/F) of a peak E (2θ=33.85 to 34.05°) to a peak F (2θ=34.05 to 34.25°) falls within a range of 0.1 to 2.0, and (3) an intensity ratio (G/H) of a peak G (2θ=49.1 to 49.7°) to a peak H (2θ=49.7 to 50.3°) falls within a range of 0.04 to 2.0, and the tungsten oxide powder has a BET specific surface area in a range of 1.5 to 820 m | 08-12-2010 |
20100204041 | VISIBLE-LIGHT-RESPONSIVE PHOTOCATALYST POWDER, AND VISIBLE-LIGHT-RESPONSIVE PHOTOCATALYTIC MATERIAL, PHOTOCATALYTIC COATING MATERIAL AND PHOTOCATALYTIC PRODUCT EACH USING THE SAME - A visible-light-responsive photocatalyst powder includes a tungsten oxide powder. The tungsten oxide powder has color whose a* is −5 or less, b* is −5 or more, and L* is 50 or more when the color of the powder is expressed by an L*a*b* color system. Further, the tungsten oxide powder has a BET specific surface area in a range of 11 to 820 m | 08-12-2010 |
20110212832 | AQUEOUS DISPERSION LIQUID AND COATING MATERIAL, FILM, AND PRODUCT USING THE SAME - In one embodiment, an aqueous dispersion liquid contains at least one particles selected from tungsten oxide particles and tungsten oxide composite particles. A mean primary particle diameter (D50) of the particles is in the range of 1 nm to 400 nm. In the aqueous dispersion liquid, concentration of the particles is in the range of 0.1 mass % to 40 mass %, and pH is in the range of 1.5 to 6.5. The aqueous dispersion liquid excels in dispersibility of particles and capable of maintaining good liquidity for a long period. | 09-01-2011 |
20120065057 | PHOTOCATALYST BODY, PHOTOCATALYST DISPERSION, AND METHOD FOR MANUFACTURING PHOTOCATALYST BODY - According to one embodiment, a photocatalyst body satisfies at least one condition described below, (1) a ratio of an absorption intensity at a wave number of 3450 cm | 03-15-2012 |
20120149560 | METHOD OF MANUFACTURING POROUS METAL OXIDE - Provided is a method of manufacturing porous metal oxide, the method including: preparing a metal-organic framework (MOF) wherein an ion of a metal to be used as a catalyst is linked to an organic ligand; impregnating the MOF with a precursor solution of metal oxide to be manufactured; and thermally treating the metal oxide precursor solution-impregnated MOF to remove the organic ligand. The inventive method of manufacturing porous metal oxide involves the impregnation of a metal oxide precursor solution in a MOF wherein metal ions are uniformly linked to organic ligands and the thermal treatment (calcination) of the metal oxide precursor solution-impregnated MOF to remove the organic ligands. | 06-14-2012 |
502306000 | And Group II metal containing (i.e., alkaline earth, Be, Mg, Zn, Cd or Hg) | 8 |
20120135860 | CATALYST PREPARATION METHOD - A method for preparing a catalyst comprising (i) preparing a calcined shaped calcium aluminate catalyst support, (ii) treating the calcined shaped calcium aluminate support with water, and then drying the support, (iii) impregnating the dried support with a solution containing one or more metal compounds and drying the impregnated support, (iv) calcining the dried impregnated support, to form metal oxide on the surface of the support and (v) optionally repeating steps (ii), (iii) and (iv) on the metal oxide coated support. The method provides an eggshell catalyst in which the metal oxide is concentrated in an outer layer on the support. | 05-31-2012 |
20120190539 | CATALYST FOR PRODUCTION OF SYNTHESIS GAS - The present invention relates to a novel composite metal oxide catalyst, a method of making the catalyst, and a process for producing synthesis gas using the catalyst. The catalyst may be a nickel and cobalt based dual-active component composite metal oxide catalyst. The catalyst may be used to produce synthesis gas by the carbon dioxide reforming reaction of methane. The catalyst on an anhydrous basis after calcinations has the empirical formula: | 07-26-2012 |
20140148332 | CATALYST FOR REFORMING HYDROCARBONS - Provided is a catalyst for preparing a syngas by reforming methane wherein a nickel-based catalyst is mixed with a metal oxide catalyst. More particularly, alumina is used as a support and a metal oxide catalyst including magnesia, nickel, vanadium, tungsten, iron, molybdenum or chromium is used to inhibit carbon deposition and maintain or improve catalytic activity. | 05-29-2014 |
20160184805 | Molybdenum Based Complex Oxide Catalyst, Its Preparation Method and Use - Disclosed are a molybdenum based composite oxide catalyst, its preparation method and use. The catalyst has the following general formula: BiMo | 06-30-2016 |
502307000 | Zinc | 4 |
20080227631 | Method for Producing a Catalyst for the Desulfurization of Hydrocarbon Flows - The invention relates to a process for preparing a catalyst for the desulfurization of hydrocarbon streams, which comprises the steps:
| 09-18-2008 |
20110201495 | PROCESS FOR THE PREPARATION OF 1,1,1,2-TETRAFLUOROETHANE - The present invention relates to a process for preparing a co-precipated Cr | 08-18-2011 |
20120142522 | PROCESS AND APPARATUS FOR THE PRODUCTION OF USEFUL PRODUCTS FROM CARBONACEOUS FEEDSTOCK - A carbonaceous feedstock to alcohol conversion process in which carbon dioxide is removed from the syngas stream issuing from a feedstock reformer, to yield a carbon dioxide depleted syngas stream including hydrogen, carbon monoxide and methane. This carbon dioxide depleted syngas stream is then passed through a Fischer-Tropsch reactor ultimately yielding a mixed alcohol product which is preferably largely ethanol. The removed carbon dioxide stream is passed through a methane reformer along with methane, which is produced in or has passed through a Fischer-Tropsch reactor, to yield primarily carbon monoxide and hydrogen. The carbon monoxide and hydrogen stream from the methane reformer are passed through the alcohol reactor. Also disclosed are a unique catalyst, a method for controlling the content of the syngas formed in the feedstock reformer, and a feedstock handling system. | 06-07-2012 |
20150148221 | CATALYST MATERIALS USEFUL FOR SOUR GAS SHIFT REACTIONS AND METHODS FOR USING THEM - The disclosure provides molybdenum and/or tungsten containing catalyst materials useful for the sour gas shift reactions and methods for using such catalyst materials, for example, for converting carbon monoxide and steam to carbon dioxide and hydrogen. | 05-28-2015 |
502308000 | And Group IV metal containing (i.e., Ti, Zr, Hf, Ge, Sn or Pb) | 22 |
20110257007 | Isomerization catalyst - The isomerization catalyst is a solid acid catalyst formed with a base of tungstated zirconium mixed oxides loaded with at least one hydrogenation/dehydrogenation metal catalyst from Groups 8-10 (IUPAC, 2006) and impregnated with at least one alkali metal from Group 1 (IUPAC, 2006). The metal from Groups 8-10 is preferably selected from platinum, palladium, ruthenium, rhodium, iridium, osmium and mixtures thereof, and most preferably is platinum. The Group I alkali metal is selected from lithium, sodium, potassium rubidium and cesium and mixtures thereof, and is preferably lithium, sodium, or potassium. Preferable, the catalyst forms, by weight, a base having between about 80-90% zirconium mixed oxides and between about 10-20% tungstate; between about 0.1-3.00% Group 8-10 metal; and between about 0.01-1.00% Group 1 alkali metal. | 10-20-2011 |
20130029841 | CATALYST COMPOSITIONS FOR PRODUCING MIXED ALCOHOLS - Catalyst compositions for producing mixed alcohols from a synthesis gas feed. The catalyst composition comprises a catalytic metal combination on a catalyst support, a first optional promoter and a second optional promoter, where the catalytic metal combination consists essentially of iridium, vanadium, and molybdenum. | 01-31-2013 |
20130190168 | Methods Of Synthesizing Hydrous Zirconium Oxide And Other Oxides - The present invention relates to sol gel hydrous metal oxide particles, such as hydrous zirconium oxide particles, their manufacture, and their use in such applications as sorbent dialysis. | 07-25-2013 |
20130244868 | CATALYST FOR HYDROCARBON STEAM CRACKING, METHOD OF PREPARING THE SAME AND METHOD OF PREPARING OLEFIN BY USING THE SAME - The present invention relates to a catalyst for hydrocarbon steam cracking, a method of preparing the same, and a method of preparing olefin by the hydrocarbon steam cracking by using the catalyst, and more specifically, to a catalyst for hydrocarbon steam cracking for preparing light olefin including an oxide catalyst (0.5≦j≦120, 1≦k≦50, A is transition metal, and x is a number satisfying conditions according to valence of Cr, Zr, and A and values of j and k) represented by CrZr | 09-19-2013 |
20150087505 | OXIDATIVE DEHYDROGENATION OF ETHANE TO ETHYLENE AND PREPARATION OF MULTIMETALLIC MIXED OXIDE CATALYST FOR SUCH PROCESS - Oxidative dehydrogenation of light paraffins, such as ethane at moderate temperatures (<500° C.) to produce ethylene without the formation of side products such as acetic acid and/or other oxygenated hydrocarbons is achieved using tellurium-free, multimetallic catalysts possessing orthorhombic M1 phase and other crystalline structures that have an important role for obtaining high performance catalysts for the oxidative dehydrogenation of ethane to ethylene. Such catalysts are prepared using thermal and hydrothermal methods. | 03-26-2015 |
502309000 | Titanium containing | 16 |
20090023583 | PHOTOCATALYST MATERIAL, PHOTOCATALYST COMPOSITION USING THE SAME AND PHOTOCATALYST PRODUCT - An object of the invention is to provide a photocatalyst material having a higher catalyst effect than conventional photocatalyst materials. The photocatalyst material of the invention contains, as its major component, a tungsten oxide powder excited by a light source which emits light having a wavelength of 430 to 500 nm, the photocatalyst material having a decomposition ability of 50% or more wherein the decomposition ability is given by the following equation based on the following test: | 01-22-2009 |
20090093361 | PHOTOCATALYST DISPERSION LIQUID AND PROCESS FOR PRODUCING THE SAME - To provide a photocatalyst dispersion liquid obtained by dispersing titanium oxide photocatalyst particles and tungsten oxide photocatalyst particles in a dispersion medium, where the surfaces of both titanium oxide photocatalyst particles and tungsten oxide photocatalyst particles are charged positively or negatively. In the photocatalyst dispersion liquid, the titanium oxide photocatalyst particles and the tungsten oxide photocatalyst particles, which are dispersed in the dispersion medium, are not aggregated easily, and a solid-liquid separation is not generated. | 04-09-2009 |
20090239743 | CATALYST COMPOSITION, ITS PREPARATION AND USE - An unsupported catalyst composition which comprises one or more Group VIb metals, one or more Group VIII metals, and a refractory oxide material which comprises 50 wt % or more titania, on oxide basis, which is prepared by precipitation techniques, finds use in the hydroprocessing of hydrocarbonaceous feedstocks. | 09-24-2009 |
20090247401 | METHANOL OXIDATION CATALYST - A methanol oxidation catalyst comprises a material of composition: | 10-01-2009 |
20100069231 | BASE FOR CATALYST, CATALYST AND METHODS FOR PRODUCING THOSE - The present invention provides a catalyst base material and a catalyst which have high strength, high porosity or high activity and methods of producing the catalyst base material and catalyst. The present invention relates to a method of producing a catalyst base material, the method comprising dispersing or dissolving a hydrophilic polymer coagulant as a first component, a water-soluble thickener as a second component, a colloidal inorganic binder as a third component and an inorganic fiber as a fourth component in water to form a catalytic slurry or paste, supporting the catalytic slurry or paste on a net-like substrate such that the meshes of the net-like substrate are filled up with the slurry or paste, by drying and/or calcinating the substrate. | 03-18-2010 |
20110245074 | PHOTOCATALYTIC STRUCTURES, METHODS OF MAKING PHOTOCATALYTIC STRUCTURES, AND METHODS OF PHOTOCATALYSIS - Embodiments of the present disclosure include structures, photocatalytic structures, and photoelectrochemical structures, methods of making these structures, methods of making photocatalysis, methods of splitting H | 10-06-2011 |
20120083409 | TIO2 NANOPARTICLES - Disclosed is a TiO | 04-05-2012 |
20120135861 | PHOTOCATALYTIC MATERIALS AND PROCESS FOR PRODUCING THE SAME - The present invention relates to a photocatalytic material having a visible light activity which includes a tungsten-doped titanium oxide or a tungsten/gallium-codoped titanium oxide, and a divalent copper salt and/or a trivalent iron salt supported on a surface of the doped or codoped titanium oxide, and a process for producing the photocatalytic material. | 05-31-2012 |
20130095998 | TUNGSTEN OXIDE PHOTOCATALYST AND METHOD FOR PRODUCING THE SAME - The present invention relates to a method for producing a tungsten oxide photocatalyst having titanium oxide and copper ion supported thereon, comprising dissolving urea in a solution in which copper-ion supporting tungsten oxide particles are uniformly dispersed in a titanium oxide sol, thermally decomposing the urea to thereby allow the titanium oxide to precipitate on the surface of copper ion-supporting tungsten oxide and to be supported thereon; and a tungsten oxide photocatalyst modified by both titanium oxide and copper ion obtained by the method, wherein the rate of change of diffuse reflectivity (at wavelength of 700 nm) is less than 3% before and after the irradiation of ultraviolet and the titanium oxide is supported on the tungsten oxide in an island shape of 1 to 100 nm in size. | 04-18-2013 |
20130244869 | Supported Catalyst of Digestion Residues of Titanyl Sulphate-Containing Black Solution - A composition includes titanium dioxide-containing digestion residue from titanium dioxide production, and at least one further component which is catalytically active. Dimensionally stable, catalytically active solids which are obtained from this composition can be used as catalyst, for example for minimizing nitrogen oxides. | 09-19-2013 |
20140018236 | PREPARATION METHOD OF DENITRATION CATALYST - Provided is a preparation method of a denitration catalyst for treating nitrogen oxides contained in exhaust gas discharged from gas turbines for generating plants, coil fired boilers, etc., in which the catalytic activity can be improved, and furthermore, an increase of the cost of producing the catalyst is not involved. The preparation method of a denitration catalyst used when reacting nitrogen oxides with reducing agent ammonia to decompose the nitrogen oxides into nitrogen and water, and including titanium oxide and vanadium as catalytic active ingredients thereof, is characterized in that the vanadium precursor is ammonium metavanadate powder, the ammonium metavanadate powder containing particles having a particle diameter of 10 μm or less in a cumulative ratio of 20% or more. The ammonium metavanadate powder is preferably a reclaimed product including vanadium recovered from petroleum-based combustion ash such as heavy oil ash. | 01-16-2014 |
20150105244 | ELECTRODE MATERIAL AND ITS APPLICATIONS IN DIRECT FUEL CELL AND ELECTROCHEMICAL HYDROGENATION ELECTROLYTIC TANK - An electrode material for a direct fuel cell or an electrochemical hydrogenation electrolytic tank, includes component A, or component B, or the mixture of component A and component B. The component A is any one of or a mixture of two or more than two of H | 04-16-2015 |
20160089659 | PHOTOCATALYTIC FILTER FOR DEGRADING MIXED GAS AND MANUFACTURING METHOD THEREOF - The present disclosure relates to a photocatalytic filter, the surface of which has enhanced adsorption performance so that mixed gases including a gas that reacts later in a competitive reaction can be degraded from the initial stage of a photocatalytic reaction, and to a manufacturing method thereof. The method includes: dispersing carbon dioxide (TiO | 03-31-2016 |
20160107145 | PHOTOCATALYST MATERIAL - A photocatalyst material ( | 04-21-2016 |
20160136616 | HONEYCOMB CATALYST AND METHOD FOR MANUFACTURING HONEYCOMB CATALYST - The present invention aims to provide a honeycomb catalyst that includes titanium oxide, vanadium oxide, and tungsten oxide, and exhibits sufficient NOx conversion ability although it contains a small amount of vanadium oxide. The honeycomb catalyst of the present invention contains: titanium oxide; vanadium oxide; and tungsten oxide, the honeycomb catalyst containing the vanadium oxide in an amount of 0.3 to 5.0 wt %, a peak attributable to a vanadium atom being spaced by an interatomic distance of 2.4 to 2.5 Å from a tungsten atom in a radial distribution function, the intensity of the peak being 0.05 Å or more in the radial distribution function per 1 wt % of the amount of the vanadium oxide in the honeycomb catalyst, the radial distribution function being obtained by Fourier transformation of an extended X-ray absorption fine structure (EXAFS) spectrum in a K-absorption edge of the tungsten in the honeycomb catalyst. | 05-19-2016 |
20160375404 | EXHAUST GAS TREATMENT SYSTEM - Provided is an exhaust gas treatment system comprising a catalyst for removing nitrogen oxides by subjecting nitrogen oxides contained in an exhaust gas to catalytic reduction treatment in the presence of ammonia, the catalyst containing titanium oxide, tungsten oxide, vanadium oxide, and at least one oxide selected from chromium oxide and manganese oxide, wherein the catalyst for removing nitrogen oxides is disposed for removing nitrogen oxides and VOC. | 12-29-2016 |
502310000 | Tin containing | 1 |
20090082198 | METHANOL OXIDATION CATALYST - A methanol oxidation catalyst is provided, which includes nanoparticles having a composition represented by the following formula (1): | 03-26-2009 |
502311000 | And Group V metal containing (i.e., V, Nb, Ta, As, Sb or Bi) | 8 |
20090170696 | PROCESS FOR PRODUCING CATALYST - Disclosed is a method for producing a catalyst, in which physical properties of a dried material or a calcined material in a production process of the catalyst are stable and a change in at least one of a catalyst activity and a selectivity to a target product is small and hence reproducibility of the catalyst is excellent. The present invention is a method for producing a catalyst containing molybdenum, bismuth, and iron, which contains the steps of washing a surface of at least one device equipped in an apparatus for the production of catalyst, to which a solid matter adheres, with a basic solution, and producing the catalyst with the apparatus for the production of catalyst thus washed. | 07-02-2009 |
20110077148 | PROCESS FOR PRODUCING COMPLEX OXIDE CATALYST - A process is provided for producing a complex oxide catalyst which exhibits superior catalytic activity in a vapor phase catalytic oxidation reaction, particularly in production of unsaturated aldehyde and unsaturated carboxylic acid. The process is characterized by the steps of preparing an aqueous slurry by mixing a complex oxide containing molybdenum and cobalt with an acid and water; drying the aqueous slurry; and calcining the resulting dried solid. Preferably, the complex oxide is obtained as follows: a molybdenum- and cobalt-containing complex oxide catalyst which has been used in a vapor phase catalytic oxidation reaction is mixed with an aqueous extracting solution obtained by dissolving at least one of ammonia and an organic base in water, to thereby extract molybdenum and cobalt into the aqueous phase; and the aqueous phase is dried and is then calcined under an atmosphere of an oxidizing gas. | 03-31-2011 |
20120270728 | BULK HYDROPROCESSING CATALYST COMPRISING A GROUP VIII METAL AND GROUP VIB METAL MOLYBDENUM - The invention relates to a bulk catalyst comprising at least 60 wt % metal oxidic particles comprising one or more Group VIII metals and Group VIB metal molybdenum, comprising less than 10 mole % of a second Group VIB metal and comprising a Group V metal in an amount less than 10 mole %, which bulk catalyst has been calcined at a temperature below a temperature where the hexagonal metastable crystal structure changes to an inactive crystalline structure, and which bulk catalyst has a metastable hexagonal phase characterized by an X-ray diffraction pattern having reflections at 33-35 and 58-61 °2θ; and to a process for the manufacture of the bulk catalyst, to the corresponding sulphided bulk catalyst and to the use of said bulk catalyst or sulphided bulk catalyst in the hydroprocessing of a hydrocarbon feedstock. | 10-25-2012 |
502312000 | Vanadium containing | 5 |
20080248947 | Mixed metal oxide catalysts and catalytic processes for conversions of lower alkane hydrocarbons - Catalytic compositions and processes are disclosed for economical conversions of lower alkane hydrocarbons. Broadly, the present invention discloses solid promoter treated compositions containing mixed metal oxides that exhibit catalytic activity for ammoxidation of lower alkane hydrocarbons to produce an unsaturated nitrile in high yield. Generally, these solid oxide compositions comprise, as component elements, molybdenum (Mo), vanadium (V) niobium (Nb) and at least one active element selected from the group consisting of the elements having the ability to form positive ions. Mixed metal oxide catalytic compositions advantageously are formed process steps comprising impregnation of a base catalyst with an aqueous medium comprising sources of one or more promoter element drying the resulting material; and thereafter subjecting the dried material to heat treatment, under a gaseous atmosphere that is substantially free of dioxygen, at elevated temperatures of at least 400° C. Also described are methods for forming the improved catalysts having the desired crystalline structure and ammoxidation processes for conversion of lower alkanes. | 10-09-2008 |
20090029852 | Molybdenum Compositions And Methods of Making the Same - The present invention is directed to molybdenum compositions and methods for making such metal oxide compositions, specifically, such compositions having high surface area, high metal/metal oxide content, and/or thermal stability with inexpensive and easy to handle materials. | 01-29-2009 |
20090042723 | Process for preparing mixed metal oxide catalysts - A process for preparing a mixed metal oxide catalyst. The process includes the steps of admixing metal compounds, at least one of which is an oxygen containing compound, and at least one solvent to form a solution, removing the solvent from the solution to obtain a catalyst precursor, calcining the catalyst precursor at a temperature from about 350° C. to about 850° C. under a gaseous atmosphere comprising CO | 02-12-2009 |
20190143304 | METHOD FOR PRODUCING OXIDE CATALYST AND METHOD FOR PRODUCING UNSATURATED NITRILE | 05-16-2019 |
20190143315 | METHOD FOR THE PREPARATION OF A MONOLITHIC CATALYST FOR THE REDUCTION OF NITROGEN OXIDES, VOC AND CARBON MONOXIDE IN AN OFF-GAS | 05-16-2019 |
502313000 | And Group VIII metal containing (i.e., iron or platinum group) | 15 |
20090054228 | CATALYST - A catalyst has an underlayer and a platinum layer formed thereon. The underlayer contains a transition metal other than platinum group metals or an alloy thereof. The platinum layer, which contains platinum, has a thickness of at least 0.4 nm but less than 1 nm. | 02-26-2009 |
20090137388 | SOLID CATALYSTS AND FUEL CELL EMPLOYING THE SOLID CATALYSTS - A solid catalyst has a close-packed structure and has a first surface layer and a second surface layer, wherein the first surface layer includes platinum as a main component and the second surface layer contains Pt | 05-28-2009 |
20100105548 | METHOD FOR GENERATING A SHELL OF NOBLE METAL OVERLAID ON A CORE OF NON-NOBLE METAL, AND CATALYSTS MADE THEREBY - An electrocatalyst is described. The electrocatalyst includes a core of a non-noble metal or non-noble metal alloy; and a continuous shell of a noble metal or noble metal alloy on the core, the continuous shell being at least two monolayers of the noble metal or noble metal alloy. Methods for making the electrocatalyst are also described. | 04-29-2010 |
20110028312 | METHOD FOR RECOVERING MOLYBDENUM AND COBALT - There are disclosed a method for recovering both of molybdenum and cobalt at once with a sufficiently high recovery, and a method for producing a composite oxide, etc., using molybdenum and cobalt recovered by the above method. In this method for recovering molybdenum and cobalt, a composite oxide containing molybdenum and cobalt is mixed with an aqueous extracting solution obtained by dissolving at least one of ammonia and an organic base in water, to thereby extract, from the composite oxide, molybdenum and cobalt into an aqueous phase. In the method for producing a composite oxide, the above aqueous phase containing molybdenum and cobalt is dried and is then calcined. | 02-03-2011 |
20110143934 | STABILIZED PLATINUM CATALYST - A stabilized platinum nanoparticle has a core portion surrounded by a plurality of outer surfaces. The outer surfaces include terrace regions formed of platinum atoms, and edge and corner regions formed of atoms from a second metal. The stabilized nanoparticle may be formed by combining a platinum nanoparticle with a metal salt in a solution. Ions of the second metal react with platinum and replace platinum atoms on the nanoparticle. Platinum atoms from the edge and corner regions react with the second metal ions quicker than surface atoms from the terraces, due to a greater difference in electrode potential between the platinum atoms at the edge and corner regions, as compared to the second metal in the solution. The platinum nanoparticle may include surface defects, such as steps and kinks, which may also be replaced with atoms of the second metal. In an exemplary embodiment, the platinum nanoparticle is a cathode catalyst in an electro-chemical cell. | 06-16-2011 |
20130288892 | One-Step Synthesis of Monodisperse Transition Metal Core-Shell Nanoparticles with Solid Solution Shells - Methods of forming monodispersed core-shell nanoparticles are provided. A cobalt(II)-ligand component, a metal(II)-ligand component, an organic reducing agent, and a capping agent can be added to an organic solvent to form a reaction mixture. The reaction mixture is then heated to a dissolving temperature while under a gas (e.g., including methane) such that the reaction mixture becomes a reaction solution while stirring at the dissolving temperature. The reaction solution is then be heated to a reaction temperature (e.g., about 200° C. or more) while under the gas to form the core-shell nanoparticles, and the core-shell nanoparticles can be collected from the reaction solution. | 10-31-2013 |
20140315712 | PROCESS AND CATALYST FOR THE HYDROTREATMENT OF A HEAVY HYDROCARBON FEEDSTOCK - A method of hydrotreating a heavy hydrocarbon feedstock using a hydrotreating catalyst having specific properties that make it effective in removing nitrogen and sulfur from the feedstock is disclosed. The catalyst is composed of an alumina support particle having a specific pore diameter distribution which is achieved in part, by the use of pseudo-boehmite as the alumina source and specific calcining temperatures. The hydrotreatment catalyst also comprises a Group 6 metal component (e.g., molybdenum) and a Group 10 metal component (e.g., nickel), and optionally, a phosphorus metal component, which are supported by the alumina support particle. | 10-23-2014 |
20150364772 | METHOD TO PREPARE ALLOYS OF PLATINUM-GROUP METALS AND EARLY TRANSITION METALS - A method for making platinum group metal (PGM) alloys for fuel cell applications includes a step of heating a substrate to a predetermined temperature. The substrate is contacted with a vapor of a PGM-containing compound and then with a vapor of an early transition metal-containing compound. These contacting steps are repeated a plurality of times to form a PGM alloy layer on the carbon particles. The present method allows the PGM alloy layer to be built up monolayer-by-monolayer thereby providing for uniform coating on a support with high porosity or complex morphology. Advantageously, the present embodiment provides a method for preparing a catalyst with higher activity and durability than current alloy catalysts. | 12-17-2015 |
502314000 | Iron group metal and Group III metal containing (i.e., Fe, Co or Ni and Sc, Y, Al, Ga, In or Tl) | 3 |
20120122674 | SUPPORT FOR CATALYST OF EXOTHERMIC PROCESSES AND CATALYST PREPARED THEREON - The present invention relates to petrochemistry and gas chemistry, and discloses a support for catalysis of exothermic processes, particularly the Fischer-Tropsch process, methanol synthesis, hydrogenation and purification of exhaust gases. The support comprises metallic aluminium in the form of a mixture of dispersed powders of flaky and spherical aluminium and the support is in the form of pellets, preferably cylinders, tablets, balls, obtained by extrusion, pelletization, tabletting, rounding or liquid molding. The catalyst prepared on the support comprises an active metal selected from the group consisting of Co, Fe, Ni, Ru, Rh, Pt, Pd, Cu and mixtures thereof. | 05-17-2012 |
20150290626 | Selective Hydrogenation Catalyst for Unsaturated Compound - The present invention relates to a selective hydrogenation catalyst for an unsaturated compound. The supported catalyst contains at least one Group VIB non-noble metal oxide and at least one Group VIII non-noble metal oxide deposited on a carrier; and the catalyst has an optimized acid distribution on the surface of the catalyst, and more preferably has an optimized Group VIII/VIB metal ratio and a Group VIII non-noble metal density per unit of catalyst surface area. Using the catalyst of the present invention can have the following advantages: the weight increase of light sulphides in an unsaturated compound or a mixture containing unsaturated compounds, the hydrogenation of a polyunsaturated compound, the isomerization of a monounsaturated compound, high operation flexibility and a significant improvement in the effects of a hydrogenation treatment. | 10-15-2015 |
20160074840 | NOVEL RESID HYDROTREATING CATALYST - Catalyst supports, supported catalysts, and a method of preparing and using the catalysts for the demetallation of metal-containing heavy oil feedstocks are disclosed. The catalyst supports comprise precipitated alumina prepared by a low temperature pH swing process. A large portion of the pore volume of the catalyst supports has pores with a diameter in the range of about 200 Å to about 500 Å. Catalysts prepared from the supports of the invention exhibit improved catalytic activity and stability to remove metals from heavy hydrocarbon feedstocks during a hydroconversion process. The catalysts also exhibit increased sulfur and MCR conversion during the hydroconversion process. | 03-17-2016 |
502315000 | Nickel containing | 3 |
20090192032 | Visible light-responsive photocatalyst composition containing tungsten-based oxides and method of producing the same - Disclosed herein is a light-responsive photocatalyst composition, which is a composite oxide semiconductor containing tungsten, and which can efficiently absorb visible light emitted from the sun and light emitted from interior lamps, such as fluorescent lamps, etc., and a method of preparing the light-responsive photocatalyst composition. The visible light-responsive photocatalyst composition can decompose volatile organic compounds or harmful organic matter causing sick house syndrome, even indoors, because it can be activated by visible light outdoors and can respond to light emitted from interior lamps, such as fluorescent lamps, etc. | 07-30-2009 |
20130178360 | NICKEL-BASED ELECTROCATALYTIC PHOTOELECTRODES - The disclosure provides methods and compositions comprising metal alloy powders. The disclosure also provides a photoelectrode, methods of making and using, including systems for water-splitting are provided. The photoelectrode can be a semiconductive material having a photocatalyst such as nickel or nickel-molybdenum coated on the material. | 07-11-2013 |
20160096165 | A MONOLITHIC CATALYST FOR SIMULTANEOUS REMOVAL OF NOX AND CARBON PARTICLES, ESPECIALLY FROM OFF-GASES OF CARBON POWER PLANTS AS WELL AS THE MANNER OF PRODUCTION OF THE MONOLITHIC CATALYST FOR SIMULTANEOUS REMOVAL OF NOX AND CARBON PARTICLES, ESPECIALLY FROM OFF-GASES OF CARBON POWER PLANTS - A monolithic catalyst for simultaneous removal of NO | 04-07-2016 |
502316000 | Iron containing | 1 |
20140024525 | Catalyst, Method of Manufacture and Use Thereof - A catalyst is provided, the catalyst comprising rods having mean length of 100 microns or less, the rods comprising a metal molybdate or tungstate, the metal being selected from the group consisting of iron, manganese, nickel, chromium, vanadium, aluminium, silver, titanium, copper, bismuth, and cobalt. A method of making such a catalyst is also provided. | 01-23-2014 |
502317000 | And Group I containing (i.e., alkali, Ag, Au or Cu) | 5 |
20100248952 | CATALYSTS CONTAINING TUNGSTATE FOR THE SYNTHESIS OF ALKYL MERCAPTAN AND METHOD FOR THE PRODUCTION THEREOF - The invention relates to a catalyst containing alkali tungstate for the synthesis of alkylmercaptanes from alkanols and hydrogen sulphide, in addition to a method for the production of said catalyst, wherein the molar ratio of alkali to tungstan is <2:1. | 09-30-2010 |
20120277095 | CATALYSTS CONTAINING TUNGSTATE FOR THE SYNTHESIS OF ALKYL MERCAPTAN AND METHOD FOR THE PRODUCTION THEREOF - The invention relates to a catalyst containing alkali tungstate for the synthesis of alkylmercaptanes from alkanols and hydrogen sulphide, in addition to a method for the production of said catalyst, wherein the molar ratio of alkali to tungstan is <2:1. | 11-01-2012 |
502318000 | Copper containing | 3 |
20130053238 | TUNGSTEN OXIDE PHOTOCATALYST MODIFIED WITH COPPER ION, AND PROCESS FOR PRODUCTION THEREOF - The present invention relates to a copper ion-modified tungsten oxide photocatalyst subjected to chemical etching treatment with a basic aqueous solution in which a rate of change in diffuse reflectance of the photocatalyst as measured at a wavelength of 700 nm between before and after irradiated with an ultraviolet light in atmospheric air is less than 10%; and a process for producing a copper ion-modified tungsten oxide photocatalyst which includes a copper ion modifying step of modifying a tungsten oxide powder with a copper ion; a chemical etching step of subjecting the tungsten oxide powder to chemical etching treatment with a basic aqueous solution, the chemical etching treatment being carried out either before or after the copper ion modifying step; and a drying step of drying the product obtained after the above steps at a temperature of 200° C. or lower. | 02-28-2013 |
20130178361 | PROCESS FOR PRODUCING DISPERSION OF COPPER ION-MODIFIED TUNGSTEN OXIDE PHOTOCATALYST - The present invention relates to a process for producing a dispersion of a copper ion-modified tungsten oxide photocatalyst, including the steps of subjecting copper ion-modified tungsten oxide particles to mechanical pulverization treatment in a solvent and then contacting the resulting dispersion of the pulverized particles with an oxygen gas or ozone; and a copper ion-modified tungsten oxide photocatalyst which is produced by subjecting copper ion-modified tungsten oxide particles to mechanical pulverization treatment in a solvent and then contacting the resulting dispersion of the pulverized particles with an oxidative gas, wherein a photocatalyst powder obtained by drying the dispersion after being contacted with the oxidative gas exhibits a diffuse reflectance of 75% or more as measured at a wavelength of 700 nm. | 07-11-2013 |
20140135209 | HYDROPHILIC MEMBER AND METHOD FOR PRODUCING THE SAME - Provided is a means which is capable of improving the durability of a hydrophilic member that has a photocatalyst layer containing tungsten oxide. The hydrophilic member includes a substrate, a first intermediate layer which is disposed on the substrate and contains a metal oxide that contains an element of Group 4, Group 6, Group 13 or Group 14 of the periodic table, and a photocatalyst layer which is disposed on the first intermediate layer and contains tungsten oxide. | 05-15-2014 |
502319000 | Of chromium | 6 |
20100075840 | Methods of Activating Chromium Catalysts - New methods for activating chromium catalysts for polymerization processes decrease the amount of time required for activation and increase catalyst activity. Rapid heating to a first temperature is followed by a first hold period before heating to a higher second temperature and maintaining the second temperature for a second hold period. In one aspect, the overall activation process takes less than 10 hours. | 03-25-2010 |
20100279858 | APPARATUS AND PROCESS FOR ACTIVATING A CATALYST - Apparatus for activating a catalyst is described, comprising means for passing high-temperature gases across a catalyst, a primary filter for filtering said gases, means for cooling the filtered gases, and a secondary filter for filtering the cooled gases which collects at least 99.97% of all residual particles smaller than 0.3 μm, wherein the secondary filter is disposable and/or has a design pressure less than 0.5 bar. | 11-04-2010 |
20110059843 | POROUS BODY PRECURSORS, SHAPED POROUS BODIES, PROCESSES FOR MAKING THEM, AND END-USE PRODUCTS BASED UPON THE SAME - The present invention provides porous body precursors and shaped porous bodies. Also included are catalysts and other end-use products based upon the shaped porous bodies and thus the porous body precursors. Finally, processes for making these are provided. The porous body precursors incorporate at least a first oxophilic high oxidation state transition metal. Because the oxophilic high oxidation state transition metal is incorporated into the porous body precursors, it is thought that it will become relatively uniformly distributed therethrough, and thus, provide property enhancements to shaped porous bodies and catalysts based thereupon. | 03-10-2011 |
20120046164 | FINE PARTICLES OF CORE-SHELL STRUCTURE AND FUNCTIONAL DEVICE INCORPORATED THEREWITH - Disclosed herein is fine particles of core-shell structure, each particle being composed of a core particle which is formed from a first material and has the face-centered cubic crystal structure and a shell layer which is formed from a second material differing from the first material on the surface of the core particle and has the face-centered cubic crystal structure, the fine particles containing particles which are multiply twinned fine particles and are surrounded by the {111} crystal plane. | 02-23-2012 |
20130244870 | CATALYST ACTIVATOR - The invention relates generally to a catalyst activator, and in particular to a catalyst activator for heat conditioning a catalyst, comprising: a) a vessel for containing a catalyst charge having an internal diameter of at least 1.2 metres and/or an internal volume of at least 5 m | 09-19-2013 |
20130252809 | METHOD FOR ACTIVATION OF CHROMIUM CONTAINING CATALYST PRECURSOR FOR POLYMERIZATION AND THE RESULTING POLYMERIZATION CATALYST - The instant invention relates to an activation of a polymerization catalyst precursor by heat treatment comprising a support material and a catalyst precursor deposited thereon in a fluidized bed activator and to the use of the activated polymerization catalyst in the manufacture of polyolefins. The activation involves heat treatment in the presence of oxygen. After that activation the oxygen in the activator is replaced by inert gas via flushing until the fluidization gas ermerging from the activator comprises oxygen in a maximum amount of up to 5 ppm. The catalyst prepared by that method is improved with respect to prevent reactor fouling during gas-phase polymerization or slurry polymerization either in stirred vessel or loop. | 09-26-2013 |
502321000 | Of molybdenum | 4 |
20090209417 | Method for treating flue gas catalysts - A method for treating a catalyst base that comprises a contact area of porous material. A fluid, such as a flue gas stream, can be conducted along the contact area. A catalytically relevant substance is introduced into pores of the catalyst base using a transport fluid and remains on pore wall areas after removal of the transport fluid. The introduction is carried out such that an amount of the catalytically relevant substance relative to the surface remains on the pore wall areas as a function of location within the pore and decreases within the pore after exceeding a specific pore depth. A blocking fluid can first be introduced into pore regions beyond the specific pore depth, thus blocking these regions when transport fluid containing the catalytically relevant substance is introduced. | 08-20-2009 |
20100048391 | CATALYST PARTICLES ON A TIP - Techniques for forming metal catalyst particles on a metal tip, and nanostructures on a metal tip are provided. | 02-25-2010 |
20140309105 | METHOD FOR MANUFACTURING HOMOGENEOUS SUPPORTED CATALYST FOR CARBON NANOTUBES - Disclosed is a method for manufacturing a homogeneous supported catalyst for carbon nanotubes. Advantageously, the method induces deep impregnation of a catalyst in micro pores of a support by using high-temperature aging impregnation, thus providing a high CNT yield. | 10-16-2014 |
502322000 | And Group III metal containing (i.e., Sc, Y, Al, Ga, In or Tl) | 1 |
20120245023 | IRREGULARLY SHAPED NON-SPHERICAL SUPPORTED CATALYST, AND A PROCESS FOR HYDROCONVERSION HEAVY OIL FRACTIONS - A catalyst for hydrotreating and/or hydroconverting heavy metal-containing hydrocarbon feeds, comprises a support in the form of mainly irregular and non-spherical alumina-based agglomerates the specific shape. The catalyst is prepared by a specific order of steps: crushing, calcining, acidic autoclaving, drying, further calcining and impregnation with catalytic metals. | 09-27-2012 |