Catalyst for purifying exhaust gas

Provided is a catalyst for purifying an exhaust gas, the catalyst excelling in catalytic performance and oxygen storage capacity. The catalyst for purifying an exhaust gas is a catalyst for purifying an exhaust gas which includes a ceria-zirconia composite oxide having a pyrochlore structure and a ceria-zirconia composite oxide having a cubic crystal structure, wherein at least a part of the ceria-zirconia composite oxide is composited with the ceria-zirconia composite oxide.

MULTI-METALLIC CATALYST DOPED WITH PHOSPHORUS AND A LANTHANIDE

The invention relates to a catalyst comprising a support, at least one noble metal M, tin, phosphorus and at least one lanthanide group element, the content of phosphorus element being comprised between 0.4 and 1% by weight, and the content of lanthanide group element(s) being less than 1% by weight with respect to the weight of the catalyst. The invention also relates to the process for the preparation of the catalyst and the use thereof in reforming. 1. Catalyst comprising a support , at least one noble metal M , tin , phosphorus and at least one lanthanide group element , the content of phosphorus element being comprised between 0.4 and 1% by weight , and the content of lanthanide group element(s) being less than 1% by weight with respect to the weight of the catalyst.2. Catalyst according to claim 1 , in which the content of noble metal M is comprised between 0.02 and 2% by weight with respect to the weight of the catalyst.3. Catalyst according to claim 1 , in which the metal M is platinum or palladium.4. Catalyst according to claim 1 , in which the tin content is comprised between 0.005 and 10% by weight with respect to the weight of the catalyst.5. Catalyst according to claim 1 , in which the content of lanthanide group element is comprised between 0.01 and 0.5% by weight with respect to the weight of the catalyst.6. Catalyst according to claim 1 , in which the lanthanide group element is cerium.7. Catalyst according to claim 1 , in which the Sn/M atomic ratio is comprised between 0.5 and 4.0 claim 1 , the P/M ratio is comprised between 0.2 and 30.0 claim 1 , and the lanthanide(s)/M ratio is comprised between 0.1 and 5.0.8. Catalyst according to claim 1 , in which the support comprises silica claim 1 , alumina or silica-alumina.9. Catalyst according to claim 1 , which additionally contains a halogenated compound.10. Catalyst according to claim 9 , in which the content of halogenated compound is comprised between 0.1 and 8% by weight with respect to the weight ...

MIXED OXIDE CATALYST FOR THE OXIDATIVE COUPLING OF METHANE

A mixed oxide catalyst for the oxidative coupling of methane can include a catalyst with the formula ABCDO, wherein: element A is selected from alkaline earth metals; elements B and C are selected from rare earth metals, and wherein elements B and C are different rare earth metals; the oxide of at least one of A, B, C, and D has basic properties; the oxide of at least one of A, B, C, and D has redox properties; and elements A, B, C, and D are selected to create a synergistic effect whereby the catalytic material provides a methane conversion of greater than or equal to 15% and a C selectivity of greater than or equal to 70%. Systems and methods can include contacting the catalyst with methane and oxygen and purifying or collecting C products. 1. A catalytic material for oxidative coupling of methane comprising:{'sub': a', 'b', 'c', 'd', 'x, 'claim-text': element A is selected from alkaline earth metals;', 'elements B and C are selected from rare earth metals, and wherein elements B and C are different rare earth metals;', 'the oxide of at least one of A, B, C, and D has basic properties;', 'the oxide of at least one of A, B, C, and D has redox properties; and', {'sub': '2', 'sup': '−', 'elements A, B, C, and D are selected to create a synergistic effect whereby the catalytic material provides a methane conversion of greater than or equal to 15% and a C selectivity of greater than or equal to 70%.'}], 'a catalyst with the formula ABCDO, wherein2. The catalytic material according to claim 1 , wherein: =1.0; claim 1 , claim 1 , and are each in the range from about 0.01 to about 10; and is a number selected to balance the oxidation state of D.3. The catalytic material according to claim 1 , wherein element A is selected from the group consisting of magnesium claim 1 , calcium claim 1 , strontium claim 1 , and barium.4. The catalytic material according to claim 1 , wherein elements B and C are selected from the group consisting of cerium claim 1 , ytterbium claim 1 , ...

CATALYST AND METHOD FOR PRODUCING CHLORINE BY MEANS OF GAS PHASE OXIDATION

The invention relates to known catalysts which contain cerium or other catalytically active components for producing chlorine by means of a catalytic gas phase oxidation of hydrogen chloride with oxygen. A catalyst material is described for producing chlorine by means of a catalytic gas phase oxidation of hydrogen chloride with oxygen, wherein the catalyst comprises at least oxide compounds of the cerium as active components and zirconium dioxide microparticles as the carrier components, and the catalyst is characterized by a particularly high yield, measured in kg/kgT·h, based on the mass of the catalyst. 117.-. (canceled)18. A catalyst material composed of a porous catalyst support and a catalytic coating for a process for thermocatalytic production of chlorine from hydrogen chloride and oxygen-containing gas , wherein the catalyst material at least comprises: at least one oxide compound of cerium as the catalytic coating and spherical zirconium dioxide microparticles as the support component.19. The catalyst material as claimed in claim 18 , wherein the catalyst has a bulk density of at least 700 kg/mmeasured in a DN100 graduated cylinder having a fill height of 250 mm.20. The catalyst material as claimed in claim 18 , wherein the catalyst support consists of zirconium dioxide to an extent of at least 90% by weight.21. The catalyst material as claimed in claim 18 , wherein the catalyst support consists of spherical particles claim 18 , wherein the principal dimension of the particles is on average from 0.1 mm to not more than 1.0 mm.22. The catalyst material as claimed in claim 21 , wherein the average particle size of the catalyst support is from 0.1 mm to not more than 1.0 mm claim 21 , and the Dand Dvalues of the particle size distribution deviate from the Dvalue by not more than 10% claim 21 , in particular measured by laser diffraction.23. The catalyst material as claimed in claim 18 , wherein the catalyst material is subjected to a high temperature ...

CERIA-ZIRCONIA-BASED COMPOSITE OXIDE OXYGEN STORAGE MATERIAL, EXHAUST GAS CLEANING CATALYST, AND HONEYCOMB STRUCTURE FOR EXHAUST GAS CLEANING

A ceria-zirconia-based composite oxide oxygen storage material with a fast oxygen storage rate having an OSC ability enabling fast response to changes in exhaust gas which does not greatly fluctuate in composition, but varies at a fast rate near the stoichiometric air-fuel ratio, an exhaust gas purification catalyst, and a honeycomb structure for exhaust gas purification are provided. 1. A ceria-zirconia-based composite oxide oxygen storage material , which oxygen storage material has a molar ratio of cerium and zirconium , by cerium/(cerium+zirconium) , of 0.33 to 0.90 , has an ion conductivity measured by an AC impedance method of 1×10S/cm or more at 400° C. , and contains metal ions M of a rare earth element with a coordination number of over 7.0 in an amount of 0.5 mol % to 15 mol % with respect to the total amount of cations.2. The oxygen storage material according to claim 1 , wherein said metal ions M are one or more types selected from Sm claim 1 , Eu claim 1 , Pr claim 1 , Gd claim 1 , and Dy.3. The oxygen storage material according to claim 1 , wherein an oxygen storage capacity amount (OSC amount) is 300 μmol-O/g or more.4. The oxygen storage material according to claim 1 , containing said metal ions M in an amount of 2 mol % to 6 mol % with respect to the total amount of cations.5. The oxygen storage material according to claim 1 , wherein said ceria-zirconia-based composite oxide contains metal ions having ion radii larger than Ce ions.6. An exhaust gas purification catalyst comprising an oxygen storage material according to supporting a precious metal.7. A honeycomb structure for exhaust gas purification comprised of an exhaust gas purification catalyst according to covering an inside wall of a metal or ceramic honeycomb.8. The oxygen storage material according to claim 2 , wherein an oxygen storage capacity amount (OSC amount) is 300 μmol-O/g or more.9. The oxygen storage material according to claim 2 , containing said metal ions M in an amount of 2 ...

PROCESS FOR PREPARATION OF A SUPPORTED COBALT-CONTAINING FISHCER-TROPSCH SYNTHESIS

The present invention relates to a process for preparing a cobalt-containing Fischer-Tropsch synthesis catalyst with good physical properties and high cobalt loading. In one aspect, the present invention provides a process for preparing a supported cobalt-containing Fischer-Tropsch synthesis catalyst, said process comprising the following steps of: (a) impregnating a support powder or granulate with a cobalt-containing compound; (b) calcining the impregnated support powder or granulate and extruding to form an extrudate; or extruding the impregnated support powder or granulate to form an extrudate and calcining the extrudate; and (c) impregnating the calcined product with a cobalt-containing compound; or forming a powder or granulate of the calcined product, impregnating with a cobalt-containing compound and extruding to form an extrudate. 125-. (canceled)26. A process for preparing a supported cobalt-containing Fischer-Tropsch synthesis catalyst , said process comprising the following steps of:(a) impregnating a support powder or granulate with a cobalt-containing compound;(b) calcining the impregnated support powder or granulate and extruding to form an extrudate;orextruding the impregnated support powder or granulate to form an extrudate and calcining the extrudate; and(c) impregnating the calcined product with a cobalt-containing compound; orforming a powder or granulate of the calcined product, impregnating with a cobalt-containing compound and extruding to form an extrudate.27. A process according to claim 26 , wherein after step (b) and prior to step (c) claim 26 , the process further comprises at least one cycle of the intervening steps of:(i) impregnating the calcined product with a cobalt-containing compound;orforming a powder or granulate of the calcined product, impregnating with a cobalt-containing compound and extruding to form an extrudate; and(i) calcining the product.28. A process according claim 26 , wherein the process includes at least one step ...

PROCESS AND ZEOLITIC CATALYST FOR THE CATALYTIC CRACKING OF UNCONVENTIONAL LIGHT CRUDE OIL TYPE SHALE/TIGHT OIL AND ITS BLENDS WITH VACUUM GAS OIL

The present invention deals with a process for catalytic cracking of hydrocarbons comprising vacuum gas oil, hydrotreated vacuum gas oil, unconventional light crude oil, preferably unconventional light crude oil type shale/tight oil and its blends with conventional vacuum gas oil, in order to generate products of major commercial value in the field of fuels, getting improved gasoline and coke yield, as well as the procedure for the preparation of a catalyst with essential physical properties of density and particle size to uphold it in a fluidized bed under the operation conditions in the catalyst evaluation unit at micro level, wherein the catalyst particles achieve a catalytic performance similar to fluidized microspheres in a reactor, without appreciable generation of fine particles. 1. A fluid catalytic cracking process , comprising:placing hydrocarbon feedstocks into contact with a heterogeneous solid acid catalyst,wherein the hydrocarbon feedstocks consist of vacuum gas oil (VGO), conventional vacuum gas oil, hydrotreated vacuum gas oil, unconventional light crude oil, and preferably unconventional light crude oil type shale/tight oil and its blends with conventional vacuum gas oil, in a percentage range of from 0 to 100% by volume of unconventional light crude oil,wherein the hydrocarbon feedstocks are placed in contact with the heterogeneous solid acid catalyst based on a formulation with at least one active zeolite and a coke selective active matrix.2. The process of wherein the oil fraction consists of conventional vacuum gas oil (VGO) claim 1 , and the unconventional paraffinic crude oil selected is a light crude shale/tight oil.3. The process of wherein the feedstock claim 1 , consisting of vacuum gas oil (VGO) that comes from conventional crude oil claim 1 , also of unconventional light crude oil type shale/tight oil claim 1 , or blends thereof claim 1 , is contacted with a catalyst at a temperature within a range of 490° C. to 520° C. claim 1 , ...

CATALYST FOR FIXED BED ANILINE RECTIFICATION RESIDUE RECYCLING AND PREPARATION METHOD

The present invention relates to a catalyst for fixed bed aniline rectification residue recycling and preparation method thereof. Based on the total weight of the catalyst, the catalyst comprises the following components in percentage by weight: 5-40% of an active component, 2-30% of a first cocatalyst component, 10-30% of a second cocatalyst component and the balance of carrier, wherein the active component is NiO; the first cocatalyst component is one or more of Fe, Mo, Cr or Co oxide; and the second cocatalyst component is one or more of La, Zr, Y or Ce oxide. The catalyst is prepared through co-precipitation. The catalyst shows high activity and stability in the waste liquid treatment process, and can still maintain high rectification residue cracking rate after reaction of 200 hours. 1. A process of recycling aniline rectification residue , comprising subjecting the aniline rectification residue to fixed bed hydrogenation with a catalyst , wherein said catalyst comprises the components described below based on the total weight of the catalyst:5-40 wt % of NiO as an active component,2-30 wt % of one or more selected from oxides of Fe, oxides of Mo, oxides of Cr and oxides of Co as a first cocatalyst component,10-30 wt % of one or more selected from oxides of La, oxides of Zr, oxides of Y and oxides of Ce as a second cocatalyst component,the remaining portion being the support.2. The process of claim 1 , wherein said catalyst comprises the components described below based on the total weight of the catalyst:15-30 wt % of NiO as the active component,5-25 wt % of one or more selected from oxides of Fe, oxides of Mo, oxides of Cr and oxides of Co as the first cocatalyst component,15-25 wt % of one or more selected from oxides of La, oxides of Zr, oxides of Y and oxides of Ce as the second cocatalyst component,the remaining portion being the support.3. The process of claim 1 , wherein the support is SiO.4. The process of claim 1 , wherein the aniline rectification ...

CATALYSTS FOR PETROCHEMICAL CATALYSIS

Metal oxide catalysts comprising various dopants are provided. The catalysts are useful as heterogenous catalysts in a variety of catalytic reactions, for example, the oxidative coupling of methane to C2 hydrocarbons such as ethane and ethylene. Related methods for use and manufacture of the same are also disclosed. 140-. (canceled)41. A catalyst comprising a mixed oxide of a lanthanide and tungsten , wherein the catalyst further comprises a sodium dopant and at least one doping element from groups 2 , 4-15 , lanthanides or combinations thereof , wherein the catalyst comprises a Cselectivity of greater than 50% and a methane conversion of greater than 20% when the catalyst is employed as a heterogeneous catalyst in the oxidative coupling of methane at a temperature of 750° C. or less.42. The catalyst of claim 41 , wherein the lanthanide is Ce claim 41 , Pr claim 41 , Nd claim 41 , La claim 41 , Eu claim 41 , Sm or Yb.43. The catalyst of claim 41 , wherein the at least one doping element is Fe claim 41 , Co claim 41 , Mn claim 41 , Cu claim 41 , Ni claim 41 , Sr claim 41 , Ga claim 41 , Zr claim 41 , Pb claim 41 , Zn claim 41 , Cr claim 41 , Pt claim 41 , Al claim 41 , Nb claim 41 , La claim 41 , Ba claim 41 , Bi claim 41 , Sn claim 41 , In claim 41 , Ru claim 41 , P or combinations thereof.44. A catalyst comprising a rare earth oxide and two or more dopants claim 41 , wherein the catalyst comprises a Cselectivity of greater than 50% and a methane conversion of greater than 20% when the catalyst is employed as a heterogeneous catalyst in the oxidative coupling of methane at a temperature of 750° C. or less claim 41 , and wherein the dopant comprises Eu/Na claim 41 , Sr/Na claim 41 , Na/Zr/Eu/Ca claim 41 , Mg/Na claim 41 , Sr/Sm/Ho/Tm claim 41 , Sr/W claim 41 , Mg/La/K claim 41 , Na/K/Mg/Tm claim 41 , Na/Dy/K claim 41 , Na/La/Dy claim 41 , Na/La/Eu claim 41 , Na/La/Eu/In claim 41 , Na/La/K claim 41 , Na/La/Li/Cs claim 41 , K/La claim 41 , K/La/S claim 41 , K/Na claim ...

METHOD FOR PRODUCING METHIONINE AND/OR 2-HYDROXY-4-(METHYLTHIO) BUTANOIC ACID

An object of the invention is to provide a simple method for producing methionine and/or 2-hydroxy-4-(methylthio)butanoic acid at a high yield using 3-(methylthio)propionaldehyde as a raw material. An oxide catalyst containing cerium, 3-(methylthio)propionaldehyde, a compound containing cyanide ion, ammonia or a compound containing ammonium ion, and water are contacted with each other to produce methionine and/or 2-hydroxy-4-(methylthio)butanoic acid. 1. A method for producing methionine and/or 2-hydroxy-4-(methylthio)butanoic acid , comprising contacting an oxide catalyst containing cerium , 3-(methylthio)propionaldehyde , a compound containing cyanide ion , ammonia or a compound containing ammonium ion , and water with each other.2. The method according to claim 1 , wherein the oxide catalyst containing cerium is at least one oxide selected from cerium oxides and oxide solid solutions containing cerium.3. The method according to claim 1 , wherein the compound containing cyanide ion is hydrogen cyanide.4. The method according to claim 1 , wherein ammonia or the compound containing ammonium ion is at least one member selected from aqueous ammonia claim 1 , liquid ammonia claim 1 , and ammonia gas.5. The method according to claim 1 , wherein the reaction temperature is 40 to 110° C.6. The method according to claim 1 , wherein the oxide catalyst containing cerium claim 1 , 3-(methylthio)propionaldehyde claim 1 , hydrogen cyanide claim 1 , ammonia claim 1 , and water are contacted with each other in a single vessel.7. The method according to claim 1 , wherein the oxide catalyst containing cerium and 3-(methylthio)propionaldehyde are contacted with each other in the presence of the compound containing cyanide ion and ammonia or the compound containing ammonium ion.8. The method according to claim 1 , wherein claim 1 , after the oxide catalyst containing cerium claim 1 , the compound containing cyanide ion claim 1 , ammonia or the compound containing ammonium ion claim 1 ...

Multi-metallic Catalyst System And Use Of The Same In Preparing Upgraded Fuel From Biomass

The present disclosure provides a multi-metallic catalyst system comprising at least one support, and at least one promoter component and an active component comprising at least two metals uniformly dispersed on the support. The present disclosure also provides a process for preparing the multi-metallic catalyst system. Further, the present disclosure provides a process for preparing upgraded fuel from biomass. The process is carried out in two steps. In the first step, a biomass slurry is prepared and is heated in the presence of hydrogen and a multi-metallic catalyst that comprises at least one support, at least one promoter component, and an active component comprising at least two metals to obtain crude biofuel as an intermediate product. The intermediate product obtained in the first step is then cooled and filtered to obtain a filtered intermediate product. In the second step, the filtered intermediate product is hydrogenated in the presence of the multi-metallic catalyst to obtain the upgraded fuel. The fuel obtained from the process of the present disclosure is devoid of heteroatoms such as oxygen, nitrogen and sulfur. 1. A multi-metallic catalyst system comprising:i. at least one alumina support;ii. a promoter component impregnated on said at least one support; wherein said promoter is at least one selected from the group consisting of Niobium (Nb) and Phosphorous (P); andiii. an active component comprising cobalt and molybdenum, being uniformly dispersed on said at least one support.2. The catalyst system as claimed in claim 1 , wherein said catalyst system is characterized by having BET surface area in the range of 165 to 170 m/g claim 1 , pore volume in the range of 0.48 to 0.50 cc/g claim 1 , pore width in the range of 78 to 82 Å claim 1 , and total acidity in the range of 0.810 to 0.812 mmol/g.3. The catalyst system as claimed in claim 1 , wherein said support is in at least one form selected from the group consisting of spheres claim 1 , extrudates ...

LOW WASHCOAT LOADING SINGLE LAYER CATALYSTS FOR GASOLINE EXHAUST GAS APPLICATIONS

A three-way catalyst article, and its use in an exhaust system for internal combustion engines, is disclosed. The catalyst article for treating exhaust gas comprising: a substrate; and a single catalyst layer deposited directly on the substrate; wherein the single catalyst layer comprises a first platinum group metal (PGM) component, an oxygen storage component (OSC) material, and an inorganic oxide; and wherein the single catalyst layer has a total washcoat loading of less than 2.4 g/in. 1. A catalyst article for treating exhaust gas comprising:a substrate; anda single catalyst layer deposited directly on the substrate;wherein the single catalyst layer comprises a first platinum group metal (PGM) component, an oxygen storage component (OSC) material, and an inorganic oxide; and{'sup': '3', 'wherein the single catalyst layer has a total washcoat loading of less than 2.4 g/in.'}2. The catalyst article of claim 1 , wherein the total washcoat loading of the single catalyst layer is no greater than 2.0 g/in.3. The catalyst article of claim 1 , wherein the first PGM component is selected from the group consisting of platinum claim 1 , palladium claim 1 , rhodium claim 1 , and a mixture thereof.4. The catalyst article of claim 1 , wherein the first PGM component is rhodium.5. The catalyst article of claim 4 , wherein the rhodium loading is ranged from 0.05-2 wt. % claim 4 , based on the total weight of the single catalyst layer.6. The catalyst article of claim 1 , wherein the OSC material loading in the single catalyst layer is less than 1.2 g/in.7. The catalyst article of claim 1 , wherein the OSC material loading in the single catalyst layer is no greater than 1.0 g/in.8. The catalyst article of claim 1 , wherein the OSC material is selected from the group consisting of cerium oxide claim 1 , a ceria-zirconia mixed oxide claim 1 , and an alumina-ceria-zirconia mixed oxide.9. The catalyst article of claim 8 , wherein the OSC material is the ceria-zirconia mixed oxide.10. ...

CATALYST FOR THE OXIDATIVE COUPLING OF METHANE WITH LOW FEED TEMPERATURES

A catalytic material for oxidative coupling of methane includes: a catalyst with the formula ABCO, wherein: A is selected from alkaline earth metals; B and C are selected from rare earth metals, and wherein B and C are different rare earth metals; and the oxide of at least A, B, and C has basic, redox, or both basic and redox properties, and wherein the elements A, B, and C are selected to create a synergistic effect whereby the catalytic material provides an oxygen conversion of greater than or equal to 50% and a C selectivity of greater than or equal to 70%, and wherein the catalyst provides the oxygen conversion and selectivity at a temperature of 797° F. (425° C.) or greater. The catalyst can be used in an oxidative coupling of methane reactor at lower feed temperatures compared to other catalysts. 1. A catalytic material for oxidative coupling of methane comprising:{'sub': a', 'b', 'c', 'x, 'claim-text': A is selected from alkaline earth metals;', 'B and C are selected from rare earth metals, and wherein', 'B and C are different rare earth metals; and', {'sub': '2', 'sup': '+', 'the oxide of at least A, B, and C has basic, redox, or both basic and redox properties, and wherein the elements A, B, and C are selected to create a synergistic effect whereby the catalytic material provides an oxygen conversion of greater than or equal to 50% and a C selectivity of greater than or equal to 70%, and wherein the catalyst provides the oxygen conversion and selectivity at a temperature of 797° F. (425° C.) or greater.'}], 'a catalyst with the formula ABCO, wherein2. The catalytic material according to claim 1 , wherein the catalyst is thermally stable at a temperature of 797° F. (425° C.) or greater.3. The catalytic material according to claim 1 , wherein the catalyst is thermally stable at a temperature in the range of about 797° F. (425° C.) to about 2 claim 1 ,372° F. (1 claim 1 ,300° C.).4. The catalytic material according to claim 1 , wherein the catalyst provides ...

Metal oxide catalyst, method for producing same, and apparatus for producing same

A metal oxide catalyst, which has a bulk composition represented by formula (1) below and which is used to produce a conjugated diolefin by an oxidative dehydrogenation reaction between a monoolefin, having 4 or more carbon atoms, and molecular oxygen, wherein standard deviation obtained by dividing a ratio of Bi molar concentration relative to Mo molar concentration at the surface of a catalyst particle by a ratio of the Bi molar concentration relative to the Mo molar concentration in a catalyst bulk is 0.3 or less. Mo 12 Bi p Fe q A a B b C c D d E e F f O x   (1) (In the formula, A is at least one type of element selected from the group consisting of Ni and Co, B is at least one type of element selected from among alkali metal elements, C is at least one type of element selected from the group consisting of Mg, Ca, Sr, Ba, Zn and Mn, D is at least one type of rare earth element, E is at least one type of element selected from the group consisting of Cr, In and Ga, F is at least one type of element selected from the group consisting of Si, Al, Ti and Zr, O is oxygen, p, q, a, b, c, d, e, f and x denote the number of atoms of Bi, Fe, A, B, C, D, E, F and oxygen, respectively, relative to 12 Mo atoms, and are such that 0.1≤p≤5, 0.5≤q≤8, 0≤a≤10, 0.02≤b≤2, 0≤c≤5, 0≤d≤5, 0≤e≤5 and 0≤f≤200, and x is the number of oxygen atoms required to satisfy valency requirement of other elements present.)

MIXED METAL OXIDE AMMOXIDATION CATALYSTS

A catalytic composition useful for the conversion of an olefin selected from the group consisting of propylene, isobutylene or mixtures thereof, to acrylonitrile, methacrylonitrile, and mixtures thereof. The catalytic composition comprises a complex of metal oxides comprising rubidium, bismuth, cerium, molybdenum, iron and other promoters, with a desirable composition. 1. A catalytic composition comprising a complex of metal oxides wherein the relative ratios of the listed elements in said catalyst are represented by the following formula:{'br': None, 'sub': m', 'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'n', 'x, 'MoBiFeADEFGCeRbO'} D is at least one element selected from the group consisting of nickel, cobalt, manganese, zinc, magnesium, calcium, strontium, cadmium and barium;', 'E is at least one element selected from the group consisting of chromium, tungsten, boron, aluminum, gallium, indium, phosphorus, arsenic, antimony, vanadium and tellurium;', 'F is at least one element selected from the group consisting of lanthanum, praseodymium, neodymium, samarium, europium, gadolinium, terbium, dysprosium, holmium, erbium thulium, ytterbium, lutetium, scandium, yttrium, titanium, zirconium, hafnium, niobium, tantalum, aluminum, gallium, indium, thallium, silicon lead and germanium;', 'G is at least one element selected from the group consisting of silver, gold, ruthenium, rhodium, palladium, osmium, iridium, platinum and mercury; and, 'wherein A is at least one element selected from the group consisting of lithium, sodium, potassium, and cesium; and'} a is greater than 0, but less than or equal to 7,', 'b is 0.1 to 7,', 'c is greater than 0, but less than or equal to 5,', 'd is 0.1 to 12,', 'e is 0 to 5,', 'f is 0 to 5,', 'g is 0 to 0.2,', 'h is 0.01 to 5,', 'm is 10 to 15,', 'n is greater than 0, but less than or equal to 5,', 'x is the number of oxygen atoms required to satisfy the valence requirements of the other component elements present; and, 'a, b, c, d, e, f, g, ...

CERIUM-AND ZIRCONIUM-BASED MIXED OXIDES

Disclosed is a composition comprising at least a cerium and zirconium based mixed oxide comprising zirconium, cerium, lanthanum and optionally at least one rare earth other than cerium and lanthanum; said mixed oxide exhibiting a high thermal resistance and are in particular capable of maintaining a large specific surface area even in a high temperature environment. Also disclosed is a process for the synthesis of such compositions. 1. A composition comprising a cerium- and zirconium-based mixed oxide , wherein the mixed oxide comprises zirconium , cerium , lanthanum and optionally at least one rare earth other than cerium and lanthanum;{'sup': '2', 'said mixed oxide exhibiting a specific surface area (SBET) comprised between 35 and 50 m/g, after calcination at 1100° C. for 4 hours under air.'}2. A composition comprising a cerium- and zirconium-based mixed oxide , wherein the mixed oxide consists of cerium , zirconium , lanthanum , and optionally at least one rare earth other than cerium and lanthanum;{'sup': '2', 'said mixed oxide exhibiting a specific surface area (SBET) comprised between 35 and 50 m/g, after calcination at 1100° C. for 4 hours under air.'}3. A composition according to claim 1 , wherein the mixed oxide comprises:5-70% by weight of cerium;20-80% by weight of zirconium;1-15% by weight of lanthanum; and0-20% by weight of at least one rare earth other than cerium and lanthanum;expressed as oxides.4. A composition according to claim 1 , wherein the mixed oxide comprises:5-70% by weight of cerium oxide;20-80% by weight of zirconium oxide;1-15% by weight of lanthanum oxide; and0-20% by weight of at least one rare earth other oxide than cerium oxide and lanthanum oxide; expressed as oxides.5. A composition according to claim 1 , wherein the rare earth other than cerium and lanthanum is selected from the group consisting of: yttrium claim 1 , neodymium claim 1 , and/or praseodymium.6. A composition according to claim 1 , wherein said mixed oxide exhibits a ...

EXHAUST GAS PURIFICATION CATALYST

The exhaust gas purification catalyst according to the present invention includes a substrate and a catalyst coat layer The catalyst coat layer is formed into a multilayer structure having a lower layer a middle layer and an upper layer The upper layer contains Rh and a Ce-containing oxide. The lower layer contains Pd and a Ce-containing oxide. The middle layer is a Ce-free layer that contains Pd but does not contain a Ce-containing oxide. A ratio (B/A) of the content B of Ce in the lower layer to the content A of Ce in the upper layer satisfies 2≤(B/A). 1. An exhaust gas purification catalyst disposed in an exhaust passage of an internal combustion engine and purifying exhaust gas emitted from the internal combustion engine , the exhaust gas purification catalyst comprising:a substrate; and a lower layer provided on the substrate;', 'a middle layer provided on the lower layer; and', 'an upper layer provided on the middle layer;, 'a catalyst coat layer formed on a surface of the substrate, the catalyst coat layer having a multilayer structure comprisingthe upper layer comprising Rh and a first Ce-containing oxide,the lower layer comprising Pd and a second Ce-containing oxide,the middle layer being a Ce-free layer that contains Pd but does not contain a Ce-containing oxide, anda ratio (B/A) of a content B of Ce in the lower layer to a content A of Ce in the upper layer satisfying 2≤(B/A).2. The exhaust gas purification catalyst according to claim 1 , wherein the ratio (B/A) satisfies 3≤AB/A)10.3. The exhaust gas purification catalyst according to claim 1 , wherein the total of the content A of Ce in the upper layer and the content B of Ce in the lower layer is 100 g/L or lower claim 1 , on a CeObasis claim 1 , per L of volume of the substrate.4. The exhaust gas purification catalyst according to claim 1 , wherein the content A of Ce in the upper layer is in the range of from 3 g/L to 30 g/L claim 1 , on a CeObasis claim 1 , per L of volume of the substrate.5. The ...

Three-zone diesel oxidation catlayst

The invention relates to a diesel oxidation catalyst which has a support body with a length L extending between a first end face a and a second end face b and catalytically active material zones A, B, and C arranged on the support body, wherein—material zone A contains palladium or platinum and palladium in a weight ratio of Pt:Pd of ≤1 and an alkaline earth metal and extends over 20 to 80% of the length L starting from the end face a, material zone B contains ceroxide, is free of platinum, and extends over 20 to 80% of the length L starting from the end face b, material zone C contains platinum or platinum and palladium in a weight ratio of Pt:Pd of ≥5, and neither material zone A nor material zone C is arranged over material zone B.

Catalyst for the dehydrogenation of hydrocarbons

The present invention relates to a catalyst for the dehydrogenation of hydrocarbons which is based on iron oxide and additionally comprises at least one potassium compound, at least one cerium compound, from 0.7 to 10% by weight of at least one manganese compound, calculated as Mn02, and from 10 to 200 ppm of at least one titanium compound, calculated as TiO2, and also to a process for the production thereof. Furthermore, the present invention relates to a process for the catalytic dehydrogenation of hydrocarbons using the catalyst of the invention.

EXHAUST GAS PURIFICATION CATALYST AND PRODUCTION METHOD THEREOF

An exhaust gas purification catalyst containing a CeOparticle supported on the surface of an MnOparticle, wherein the Ce amount relative to the total amount of Mn and Ce (Ce/(Mn+Ce)) in the catalyst is more than 0 mol % and 40 mol % or less; and a method for producing the exhaust gas purification catalyst above, including mixing an aqueous solution containing a manganese ion and a cerium ion in a ratio of more than 0 mol % and 40 mol % or less in terms of the Ce amount relative to the total amount of Mn and Ce (Ce/(Mn+Ce)) and an aqueous solution having dissolved therein a carbonate ion-containing reducing agent, thereby precipitating a particle, and firing the particle, are provided. 1. A process for selectively reducing nitrogen oxide in an exhaust gas comprising contacting the exhaust gas with an exhaust gas purification catalyst containing a CeOparticle supported on the surface of an MnOparticle in the presence of ammonium , wherein the Ce amount relative to the total amount of Mn and Ce (Ce/(Mn+Ce)) in the catalyst is more than 0 mol % and 40 mol % or less.2. The process according to claim 1 , wherein a primary particle of CeOis supported on a primary particle of MnOand the MnOparticle is present in the form of a secondary particle resulting from aggregation of primary particles.3. The process according to claim 1 , wherein the catalyst has both a peak derived from MnOand a peak derived from CeOwhen measured by X-ray diffraction.4. The process according to claim 1 , wherein a tungsten oxide particle is further supported. This is a Divisional application of U.S. application Ser. No. 15/404,871 filed Jan. 12, 2017, which claims the benefit of Japanese Application No. 2016-027628 filed Feb. 17, 2016, and Japanese Application No. 2016-174516 filed Sep. 7, 2016. The entire disclosures of the prior applications are hereby incorporated by reference herein in their entireties.The present invention relates to an exhaust gas purification catalyst. More specifically, the ...

USE OF VANADATES AS OXIDATION CATALYSTS

Use of a ternary vanadate of formula (I): FeMeIMeIIVOwherein MeI and MeII are different from each other and each stand for an element selected from the group consisting of Y, La, Ce, Pr, Nd, Sm, Er, Gd, Tb, Dy, Ho, Tm, Yb, Lu, Al, Bi and Sb and wherein x=0.05-0.9; y=0.05-0.9; z=0.05-0.9; x+y+z=1, as a catalyst for the oxidation of carbonaceous compounds in combustion engines. 1. A method of catalytically oxidizing carbonaceous compounds from a combustion engine , comprising: {'br': None, 'sub': x', 'y', 'z', '4, 'FeMeIMeIIVO\u2003\u2003(I),'}, 'contacting a catalyst comprising a ternary vanadate of formula (I) with carbonaceous compounds from the combustion enginewherein MeI and MeII are different from each other and each stand for an element selected from the group consisting of Y, La, Ce, Pr, Nd, Sm, Er, Gd, Tb, Dy, Ho, Tm, Yb, Lu, Al, Bi and Sb and whereinx=0.05−0.9y=0.05−0.9z=0.05−0.9x+y+z=1,the catalyst catalysing oxidation of the carbonaceous compounds from the combustion engine.2. The method according to claim 1 , wherein MeI and MeII each stand for an element selected from the group consisting of Y claim 1 , La claim 1 , Ce claim 1 , Pr claim 1 , Er claim 1 , Al claim 1 , Bi.3. The method according to claim 1 , wherein MeI and MeII each stand for an element selected from the group consisting of Ce claim 1 , La claim 1 , Er claim 1 , Al and Bi.4. The method according to claims 1 , wherein MeI and MeII are selected from the group of the following combinations:MeI=La, MeII=Er,MeI=Ce, MeII=AlMeI=Ce, MeII=Bi,MeI=La, MeII=Al,MeI=Er, MeII=Al, andMeI=Bi, MeII=Al.5. The method according to claims 1 , whereinx=0.1-0.8y=0.1-0.8z=0.1-0.8x+y+z=1.6. The method according to claim 5 , whereinx=0.2-0.6y=0.2-0.6z=0.2-0.6x+y+z=1.7. The method according to claim 1 , wherein the ternary vanadate is selected from the group consisting of:{'sub': 0.33', '0.34', '0.33', '4, 'FeCeAlVO,'}{'sub': 0.5', '0.25', '10.25', '4, 'FeCeAlVO,'}{'sub': 0.33', '0.34', '0.33', '4, 'FeCeBiVO,'}{' ...

CATALYST FOR LOW TEMPERATURE EMISSION CONTROL AND METHODS FOR USING SAME

The invention provides a composite catalyst containing a first component and a second component. The first component contains a ternary mixed metal oxide. The second component contains a platinum group metal. The composite catalyst is useful for catalyzing the low temperature oxidation of carbon monoxide and hydrocarbons. 1. A composite catalyst comprising:a. a first component comprising a ternary mixed metal oxide, wherein said ternary mixed metal oxide comprises copper oxide, cobalt oxide, and cerium oxide, wherein the atomic ratio for the metal component of the metal oxide in the ternary mixed metal oxide is each independently from about 1 to about 10; andb. a second component comprising a platinum group metal.2. A composite catalyst according to claim 1 , wherein the composite catalyst catalyzes the oxidation of CO to COat or around 150° C.3. A composite catalyst according to claim 1 , wherein the platinum group metal is selected from the group consisting of ruthenium claim 1 , rhodium claim 1 , palladium claim 1 , osmium claim 1 , iridium claim 1 , platinum claim 1 , and combinations thereof.46.-. (canceled)7. A component in an exhaust system in an engine comprising the composite catalyst of .8. An emission control system comprising the composite catalyst of .9. A motor vehicle comprising the composite catalyst of . This application asserts the priority of U.S. Provisional Application Ser. No. 62/151,488 filed on Apr. 23, 2015, the contents of which are incorporated herein by reference.The United States Government has rights in this invention pursuant to contract no. DE-AC05-00OR22725 between the United States Department of Energy and UT-Battelle, LLC.The present invention provides a catalyst for low temperature oxidation of carbon monoxide, hydrocarbons, and nitric oxide.Removing the harmful pollutants in engine exhaust has been an intense focus of the automotive, trucking, and off-road engine industries over the last several decades. Increasingly stringent ...

Mixed cerium- and zirconium-based oxide

The present invention relates to a mixed oxide of aluminium, of zirconium, of cerium, of lanthanum and optionally of at least one rare-earth metal other than cerium and lanthanum that makes it possible to prepare a catalyst that retains, after severe ageing, a good thermal stability and a good catalytic activity. The invention also relates to the process for preparing this mixed oxide and also to a process for treating exhaust gases from internal combustion engines using a catalyst prepared from this mixed oxide.

Extruded Titania-Based Material Comprising Mesopores and Macropores

Porous, extruded titania-based materials further comprising mesopores and macropores and/or prepared using one or more porogens, Fischer-tropsch catalysts comprising them, uses of the foregoing, processes for making and using the same and products obtained from such processes. 1. A porous , extruded titania-based material comprising mesopores and macropores.2. A porous claim 1 , extruded titania-based material according to claim 1 , wherein the mesopores have a pore diameter of 2 to 50 nm claim 1 , preferably 15 to 45 nm or 30 to 45 nm claim 1 , more preferably 25 to 40 nm or 30 to 40 nm.3. A porous claim 1 , extruded titania-based material according to claim 1 , wherein the macropores have a pore diameter of greater than 50 nm claim 1 , preferably 60 to 1000 nm claim 1 , more preferably 100 to 850 nm.4. A porous claim 1 , extruded titania-based material according to claim 1 , wherein the total pore volume is at least 0.30 ml/g claim 1 , preferably at least 0.40 ml/g.5. A porous claim 1 , extruded titania-based material according to claim 1 , wherein the surface area is at least 30 m/g claim 1 , preferably at least 40 m/g.6. A porous claim 1 , extruded titania-based material according to claim 1 , in the form of symmetrical cylinders claim 1 , dilobes claim 1 , trilobes claim 1 , quadralobes or hollow cylinders.7. A process for the production of a porous claim 1 , extruded titania-based material comprising mesopores and macropores according to claim 1 , said process comprising:a) mixing titanium dioxide and one or more porogens to form a homogenous mixture;b) adding a liquid extrusion medium to the homogenous mixture and mixing to form a homogenous paste;c) extruding the paste to form an extrudate;d) optionally drying the extrudate; ande) calcining the extrudate at a temperature sufficient to decompose the one or more porogens.8. A process according to claim 7 , wherein the one or more porogens comprises cellulose or a derivative thereof claim 7 , such as methyl ...

METHOD FOR PREPARING MIXED METAL OXIDE CATALYSTS CONTAINING MOLYBDENUM AND BISMUTH

The present invention relates to a process for producing mixed oxide catalysts on the basis of molybdenum and bismuth oxides in which the precursor compounds of the components of mixed oxide catalysts provided in the form of a solution and/or suspension are subjected to a spray-drying with a specific temperature regime and the spray particles obtained in this way are then calcined to yield a catalytic active mass, and to the mixed oxide catalysts obtainable by this process and to the use of these catalysts in the partial oxidation of olefms, in particular in the partial gas phase oxidation of propene to acrolein and acrylic acid. The spray drying of the precursor compounds containing solution or suspension is performed in concurrent with a gas stream having a specific entrance temperature. Alternatively, when the main gas stream has a higher entrance temperature, an additional colder gas stream can be fed in downstream. The thus obtained mixed oxide catalysts give lower a maximum temperature in the hot spot of catalyst fixed bed when they are used in the partial gas phase oxidation of olefms. 1. A process for producing a mixed oxide catalyst , the process comprisinga) providing a solution and/or suspension of precursor compounds of components of mixed oxide catalyst, wherein the solution and/or suspension contains a precursor compound of bismuth and a precursor compound of molybdenum or a precursor compound of bismuth and molybdenum, and wherein, when the suspension is subjected to spray-drying, a concentration of solids in the suspension is 10 to 50% by weight,b) spray-drying the solution and/or suspension provided in a) in cocurrent together with a gas stream having an entrance temperature into a spray dryer of 160+/−10° C. to 200+/−10° C. and an exit temperature from the spray dryer of 90+/−10° C. to 105+/−10° C., wherein the gas stream has a mean flow velocity in the spray dryer of 2.0+/−0.3 cm/s to 4.5+/−0.3 cm/s, orb′) spray-drying the solution and/or ...

Amorphous composite metal oxide and preparation method therefor

In an amorphous complex metal oxide and a method for producing the same of the present disclosure, the amorphous complex metal oxide is a three-components metal oxide containing titanium (Ti), cerium (Ce), and zirconium (Zr), wherein the amorphous complex metal oxide is amorphous.

CATALYST FOR LOW TEMPERATURE EMISSION CONTROL AND METHODS FOR USING SAME

The invention provides a composite catalyst containing a first component and a second component. The first component contains a ternary mixed metal oxide. The second component contains a platinum group metal. The composite catalyst is useful for catalyzing the low temperature oxidation of carbon monoxide and hydrocarbons. 1. A composite catalyst comprising:a. a first component comprising a ternary mixed metal oxide; andb. a second component comprising a platinum group metal.2. A composite catalyst according to claim 1 , wherein the composite catalyst catalyzes the oxidation of CO to COat or around 150° C.3. A composite catalyst according to claim 1 , wherein the platinum group metal is selected from the group consisting of ruthenium claim 1 , rhodium claim 1 , palladium claim 1 , osmium claim 1 , iridium claim 1 , platinum claim 1 , and combinations thereof.4. A composite catalyst according to claim 1 , wherein the ternary mixed metal oxide comprises cerium oxide.5. A composite catalyst according to claim 1 , wherein the ternary mixed metal oxide comprises copper oxide.6. A composite catalyst according to claim 1 , wherein the ternary mixed metal oxide comprises cobalt oxide.7. A component in an exhaust system in an engine comprising the composite catalyst of .8. An emission control system comprising the composite catalyst of .9. A motor vehicle comprising the composite catalyst of . This application asserts the priority of U.S. Provisional Application Ser. No. 62/151,488 filed on Apr. 23, 2015, the contents of which are incorporated herein by reference.The United States Government has rights in this invention pursuant to contract no. DE-AC05-000R22725 between the United States Department of Energy and UT-Battelle, LLC.The present invention provides a catalyst for low temperature oxidation of carbon monoxide, hydrocarbons, and nitric oxide.Removing the harmful pollutants in engine exhaust has been an intense focus of the automotive, trucking, and off-road engine ...

HONEYCOMB CATALYTIC CONVERTER

The present invention relates to a honeycomb catalytic converter including: a honeycomb structured body in which multiple through-holes are arranged longitudinally in parallel with one another with a partition wall therebetween; a noble metal supported on the honeycomb structured body; and an inlet-side end face and on outlet-side end face, wherein each partition wall includes a substrate portion in the form of an extrudate containing a ceria-zirconia complex oxide and alumina, and a coat layer formed on a surface of the substrate portion and containing the noble metal, and the inlet-side end face has a higher aperture ratio than the outlet-side end face. 1. A honeycomb catalytic converter comprising:a honeycomb structured body in which multiple through-holes are arranged longitudinally in parallel with one another with a partition wall therebetween;a noble metal supported on the honeycomb structured body; andan inlet-side end face and on outlet-side end face,wherein each partition wall includes a substrate portion in the form of an extrudate containing a ceria-zirconia complex oxide and alumina, and a coat layer formed on a surface of the substrate portion and containing the noble metal, andthe inlet-side end face has a higher aperture ratio than the outlet-side end face.2. The honeycomb catalytic converter according to claim 1 ,wherein the coat layers are thicker on the outlet-side end face than on the inlet-side end face.3. The honeycomb catalytic converter according to claim 1 ,wherein the thickness of the coat layers successively increases from the inlet-side end face toward the outlet-side end face.4. The honeycomb catalytic converter according to claim 1 ,wherein the inlet-side end face has an aperture ratio of 70 to 90%, and the outlet-side end face has an aperture ratio of 65 to 85%.5. The honeycomb catalytic converter according to claim 1 ,wherein the substrate portion further contains an inorganic binder.6. The honeycomb catalytic converter according to ...

METHOD FOR PRODUCING OXIDE CATALYST AND METHOD FOR PRODUCING UNSATURATED NITRILE

A method for producing an oxide catalyst according to the present invention is a method for producing an oxide catalyst containing Mo, V, Sb, and Nb, the method including: 1. A method for producing an oxide catalyst comprising Mo , V , Sb , and Nb , the method comprising:a raw material preparation step of obtaining an aqueous mixed liquid comprising Mo, V, Sb, and Nb;an aging step of subjecting the aqueous mixed liquid to aging at more than 30° C.;a drying step of drying the aqueous mixed liquid, thereby obtaining a dried powder; anda calcination step of calcining the dried powder, thereby obtaining the oxide catalyst, [{'sub': '3', '(I) in the raw material preparation step, the aqueous mixed liquid is prepared by mixing a Nb raw material liquid comprising Nb with a MoVSb raw material liquid comprising Mo, V, and Sb, wherein ammonia is added to at least one of the MoVSb raw material liquid, the Nb raw material liquid, and the aqueous mixed liquid such that a molar ratio in terms of NH/Nb in the aqueous mixed liquid is adjusted to be 0.7 or more, and in the aging step, a temperature of the aqueous mixed liquid is adjusted to more than 50° C.;'}, '(II) in the aging step, a temperature of the aqueous mixed liquid is adjusted to more than 65° C.; and', {'sub': 2', '2, '(III) in the raw material preparation step, the aqueous mixed liquid is prepared by mixing a Nb raw material liquid comprising Nb with a MoVSb raw material liquid comprising Mo, V, and Sb, wherein a molar ratio in terms of HO/Nb in the Nb raw material liquid is adjusted to less than 0.2, and in the aging step, a temperature of the aqueous mixed liquid is adjusted to more than 50° C.'}], 'wherein, in the raw material preparation step and/or the aging step, precipitation of Nb is facilitated by performing at least one operation selected from the group consisting of the following (I) to (III)3. The method for producing the oxide catalyst according to claim 1 , wherein the oxide catalyst comprises 30% by mass ...

Catalyst comprising bimetallic platinum group metal nanoparticles

The present disclosure provides a three-way conversion (TWC) catalyst composition, and a catalyst article comprising such a catalyst composition suitable for at least partial conversion of gaseous hydrocarbons (HCs), carbon monoxide (CO), and nitrogen oxides (NO x ). Generally, the catalyst article includes a catalyst substrate having a plurality of channels adapted for gas flow, each channel having a wall surface and a catalytic coating on the surfaces or inside the pores of the wall. The catalytic coating generally includes a first washcoat with a platinum group metal (PGM) component and a first refractory metal oxide support and a second washcoat having a plurality of palladium-rhodium nanoparticles and a second refractory metal oxide support.

METHOD FOR PRODUCING OXIDE CATALYST AND METHOD FOR PRODUCING UNSATURATED NITRILE

The present invention relates to a method for producing an oxide catalyst containing Mo, V, Sb, and Nb, the method including a raw material preparation step of obtaining an aqueous mixed liquid containing Mo, V, Sb, and Nb, an aging step of subjecting the aqueous mixed liquid to aging at more than 30° C., a drying step of drying the aqueous mixed liquid, thereby obtaining a dried powder, and a calcination step of calcining the dried powder, thereby obtaining the oxide catalyst, and a method for producing an unsaturated nitrile or an unsaturated acid by using the catalyst. 1. A method for producing an unsaturated nitrile , the method comprising the steps of:producing an oxide catalyst by following steps of:a raw material preparation step of obtaining an aqueous mixed liquid comprising Mo, V, Sb, and Nb;an aging step of subjecting the aqueous mixed liquid to aging at more than 30° C.;a drying step of drying the aqueous mixed liquid, thereby obtaining a dried powder; anda calcination step of calcining the dried powder, thereby obtaining the oxide catalyst, [{'sub': '3', '(I) in the raw material preparation step, the aqueous mixed liquid is prepared by mixing a Nb raw material liquid comprising Nb with a MoVSb raw material liquid comprising Mo, V, and Sb, wherein ammonia is added to at least one of the MoVSb raw material liquid, the Nb raw material liquid, and the aqueous mixed liquid such that a molar ratio in terms of NH/Nb in the aqueous mixed liquid is adjusted to be 0.7 or more, and in the aging step, a temperature of the aqueous mixed liquid is adjusted to more than 50° C.;'}, '(II) in the aging step, a temperature of the aqueous mixed liquid is adjusted to more than 65° C.; and', {'sub': 2', '7, '(III) in the raw material preparation step, the aqueous mixed liquid is prepared by mixing a Nb raw material liquid comprising Nb with a MoVSb raw material liquid comprising Mo, V, and Sb, wherein a molar ratio in terms of HO/Nb in the Nb raw material liquid is adjusted ...

HIGH POROSITY CERIUM AND ZIRCONIUM CONTAINING OXIDE

This disclosure generally relates to an oxide composition basically composed of cerium and zirconium that has exceptional and stable porosity, surface area and lattice oxygen mobility. The oxide composition can contain one or more other rare earth oxides other than cerium oxide. For example, some compositions can contain one or more of lanthanum oxide, yttrium oxide and neodymium oxide. The oxide composition can be useful as a catalyst, catalyst support, sensor applications and combinations thereof. 1. A composition comprising zirconium oxide , cerium oxide and optionally one or more other rare earth oxides other than cerium oxide and optionally yttrium , wherein two or more of the following are true:(i) wherein the composition has a total pore volume selected from the group consisting essentially of from about 0.7 to about 3.5 cc/g and form about 0.65 to about 3.20 cc/g;{'sub': 2', '2', '2', '2, '(ii) wherein the composition has a hydrogen thermal program reduction uptake after calcination at 1000 degrees Celsius for 10 hours selected from the group consisting essentially of from about 0.5 to about 1.1 molar ratio of Hconsumption/CeOand from about 0.54 to about 0.99 molar ratio of Hconsumption/CeO; and'}{'sup': 2', '2', '2', '2', '2', '2', '2', '2', '2', '2, '(iii) wherein the composition has one or more of a BET and apparent surface area selected from the group consisting essentially of from about 1.0 to about 6.0 m/g after calcinations at 1200 degrees Celsius for a period of 10 hours or more in an oxidizing environment, from about 1.9 to about 5.2 m/g after calcinations at 1200 degrees Celsius for a period of 10 hours or more in an oxidizing environment, from about 20 m/g to about 30 m/g after calcination at 1100 degrees Celsius for a period of 10 hours in an oxidizing environment, from about 24 m/g to about 29 m/g after calcination at 1100 degrees Celsius for a period of 10 hours in an oxidizing environment, from about 45 m/g to about 70 m/g after calcination at ...

Composites of Aluminum Oxide and Cerium/Zirconium Mixed Oxides

The subject matter of the invention is a method for producing composites comprising aluminum oxide and cerium/zirconium mixed oxides, hereinafter referred to briefly as Al/Ce/Zr oxide composite(s) using boehmite and soluble cerium/zirconium salts. Al/Ce/Zr oxide composites produced in this way have an increased thermal stability.

Sr-Ce-Yb-O Catalysts for Oxidative Coupling of Methane

An oxidative coupling of methane (OCM) catalyst composition characterized by the overall general formula Sr 1.0 Ce a Yb b O c , wherein a is from about 0.01 to about 2.0, wherein b is from about 0.01 to about 2.0, wherein the sum (a+b) is not 1.0, and wherein c balances the oxidation states. A method of making an oxidative coupling of methane (OCM) catalyst composition comprising (a) forming an oxide precursor mixture, wherein the oxide precursor mixture comprises one or more compounds comprising a Sr cation, one or more compounds comprising a Ce cation, and one or more compounds comprising a Yb cation, and wherein the oxide precursor mixture is characterized by a molar ratio of Sr:(Ce+Yb) that is not about 1:1, and (b) calcining at least a portion of the oxide precursor mixture to form the OCM catalyst composition, wherein the OCM catalyst composition comprises Sr—Ce—Yb—O perovskite in an amount of less than about 75.0 wt. %.

Nitrogen Oxide Oxidation Activity of Pseudo-Brookite Compositions as Zero-PGM Catalysts for Diesel Oxidation Applications

Zero-PGM (ZPGM) catalyst materials including pseudo-brookite compositions for use in diesel oxidation catalyst (DOC) applications are disclosed. The disclosed doped pseudo-brookite compositions include A-site partially doped pseudo-brookite compositions, such as, Sr-doped and Ce-doped pseudo-brookite compositions, as well as B-site partially doped pseudo-brookite compositions, such as, Fe-doped, Co-doped Ni-doped, and Ti-doped pseudo-brookite compositions. The disclosed doped pseudo-brookite compositions, including calcination at various temperatures, are subjected to a DOC standard light-off (LO) test methodology to assess/verify catalyst activity as well as to determine the effect of the use of a dopant in an A-site cation or a B-site cation within a pseudo-brookite composition. The disclosed doped pseudo-brookite compositions exhibit higher NO oxidation catalyst activities when compared to bulk powder pseudo-brookite, thereby indicating improved thermal stability and catalyst activity when using a dopant in an A-site cation or in a B-site cation within a pseudo-brookite composition. 1. A catalyst composition comprising a pseudo-brookite structured compound of general formula YAMnBO , wherein the pseudo-brookite structured compound includes yttrium and manganese , wherein at least one selected from the group consisting of x and y is greater than 0 , and wherein A and B are cations selected from the group consisting of cerium (Ce) , strontium (Sr) , iron (Fe) , cobalt (Co) , nickel (Ni) , and titanium (Ti).2. The catalyst composition of claim 1 , wherein A is a cation selected from the group consisting of Ce and Sr claim 1 , and wherein x is about 0.01 to about 0.5.3. The catalyst composition of claim 2 , wherein x is about 0.1.4. The catalyst composition of claim 2 , wherein A is Ce.5. The catalyst composition of claim 2 , wherein A is Sr.6. The catalyst composition of claim 2 , wherein the catalyst composition is calcined at a temperature from about 800° C. to ...

OXYGEN STORAGE MATERIAL AND METHOD FOR PRODUCING THE SAME

An oxygen storage material comprises a Ce—Zr-Ln-Ti-based composite oxide containing cerium (Ce), zirconium (Zr), a rear-earth element (Ln: excluding cerium), and titanium (Ti), wherein 2. The oxygen storage material according to claim 1 , wherein in an X-ray diffraction pattern of the Ce—Zr-Ln-Ti-based composite oxide obtained using CuKα by an X-ray diffraction measurement claim 1 , a ratio (I/I) of an intensity (I) of a superlattice peak of a diffraction line attributed to a (111) plane to an intensity (I) of a main peak of the diffraction line attributed to a (222) plane satisfies the following condition (2):{'br': None, 'sub': 111', '222, '1≤{(I/I)×100}≤5\u2003\u2003(2).'}3. The oxygen storage material according to claim 1 , wherein the Ce—Zr-Ln-Ti-based composite oxide has a specific surface area of 1 to 50 m/g claim 1 , and has an average crystal size of 10 to 100 nm.4. The oxygen storage material according to claim 1 , wherein the Ce—Zr-Ln-Ti-based composite oxide has a cation-ordered structure and contains a pyrochlore phase.5. A method for producing an oxygen storage material claim 1 , comprising: at least one cerium compound selected from the group consisting of chloride, nitrate, sulfate, acetate and oxide of cerium,', 'at least one zirconium compound selected from the group consisting of chloride, nitrate, sulfate, acetate and oxide of zirconium,', 'at least one rear-earth element-containing compound selected from the group consisting of chloride, nitrate, sulfate, acetate and oxide of a rear-earth element other than cerium,', 'at least one titanium compound selected from the group consisting of chloride, nitrate, sulfate, acetate and oxide of titanium, and', 'a hydrophilic organic compound; and, 'mixing, in a solvent,'}{'claim-ref': {'@idref': 'CLM-00001', 'claim 1'}, 'obtaining the oxygen storage material comprising the Ce—Zr-Ln-Ti-based composite oxide according to from the obtained mixture through a solution combustion synthesis.'}6. The method for ...

MESOPOROUS OZONATION CATALYST, PREPARATION METHOD THEREOF, AND APPLICATION METHOD THEREOF

A mesoporous ozonation catalyst including a cerium-titanium-zirconium composite oxide. The catalyst is in the form of a solid spherical particle having a diameter of between 0.7 and 1.2 mm. The solid spherical particle exhibits lattice fringes under transmission electron microscope, and the lattice fringes have a spacing between 0.332 and 0.339 nm.

Coated Composites of AL2O3-CEO2/ZRO2 and a Method for their Production

The present invention relates to a metal oxide coated composite comprising a core consisting of a mixture of a La stabilised AIOphase and an Ce/Zr/REOmixed oxide phase, the core having a specific crystallinity, specific pore volume and a specific pore size distribution, and a method for the production of the metal oxide coated composite. 1. A coated Al/Ce/Zr composite comprising a calcined Al/Ce/Zr core , the core consisting of two phases , a La stabilised AlOphase and an Ce/Zr/REOmixed oxide phase , both phases forming a homogeneous mixture , the calcined Al/Ce/Zr core being characterised by having a pore volume above 0.2 ml/g (according to DIN 66133) , and a pore size distribution having a maximum between 50 and 200 Å (according to DIN 66133) , the core comprising a metal oxide coating wherein the metal oxide coating forms at least 1 to 50 wt. % of the coated Al/Ce/Zr composite.2. The coated composite of wherein the calcined Al/Ce/Zr core in the coated composite has:a) a reflection between 2θ=65° and 69°, preferably between 66° and 68° andb) a reflection between 2θ=27° and 31°, preferably between 28° and 30°.3. The coated composite of or wherein the metal oxide coating comprises one or more members selected from the group consisting of CeO claim 1 , ZrO claim 1 , mixed oxides of Ceria/Zirconia claim 1 , and one or more rare earth metal oxide different from Ceria.4. The coated composite of any one of to wherein the metal oxide coating comprises CeOand preferably consists of CeO.5. The coated composite of any one of to claim 1 , wherein the pore volume of the calcined Al/Ce/Zr core is between 0.2 to 1.0 ml/g claim 1 , preferably between. 0.4 to 0.6 ml/g.6. The coated composite of any one of to claim 1 , wherein the pore size distribution of the calcined Al/Ce/Zr core has a maximum between 70 to 150 Å claim 1 , preferably a maximum between 80 to 130 Å.7. The coated composite of any one of to claim 1 , wherein the Al/Ce/Zr core in the coated composite is characterized ...

Methane oxidative coupling with la-ce catalysts

A metal oxide catalyst capable of catalyzing an oxidative coupling of methane reaction is described. The metal oxide catalyst includes a lanthanum (La) cerium (Ce) metal oxide and further including a lanthanum hydroxide (La(OH) 3 ) crystalline phase. The catalyst is capable of catalyzing the production of C 2 + hydrocarbons from methane and oxygen. Methods and systems of using the metal oxide catalyst to produce C 2 + hydrocarbons from a reactant gas are also described.

THREE-WAY CATALYST COMPRISING PD-RH ALLOY

The present invention relates to a method for preparing a supported catalyst comprising a crystalline Pd—Rh alloy, the method comprising the steps of: (i) producing an impregnated support by means of mixing an inorganic support, a Pd precursor solution and an Rh precursor solution; and (ii) thermally treating the impregnated support in a reducing gas atmosphere. 1. A method of manufacturing a supported catalyst including a crystalline Pd—Rh alloy , the method comprising:(i) generating an impregnated support by mixing an inorganic support, a Pd precursor solution, and an Rh precursor solution; and(ii) thermally treating the impregnated support in a reducing gas atmosphere.2. A method of manufacturing a supported catalyst including a crystalline Pd—Rh alloy , the method comprising:dry-mixing an inorganic support and Pd—Rh alloy nanoparticles.3. A method of manufacturing a catalyst substrate including a supported catalyst including a crystalline Pd—Rh alloy using a method of manufacturing a catalyst main body that includes the supported catalyst including the crystalline Pd—Rh alloy in a substrate , the method of manufacturing the catalyst substrate comprising:(i) generating an impregnated support by mixing an inorganic support, a Pd precursor solution, and an Rh precursor solution;(ii) manufacturing a slurry wash coat by mixing the impregnated support and an additive;(iii) coating the substrate with the slurry wash coat; and(iv) thermally treating the coated substrate under a presence of a reducing gas.4. A method of manufacturing a catalyst main body including a supported catalyst including a crystalline Pd—Rh alloy , the method comprising:(i) generating an impregnated support by mixing an inorganic support, a Pd precursor solution, and an Rh precursor solution;(ii) thermally treating the impregnated support in a reducing gas atmosphere;(iii) manufacturing a slurry wash coat by mixing the thermally treated support and an additive; and(iv) coating a substrate with the ...

制备和形成负载活性金属的催化剂和前体的方法

本发明涉及制备负载型催化剂的方法，所述方法包括以下步骤：（i）提供多孔催化剂载体，其包括具有包括一个或多个孔的内部孔结构的框架，所述内部孔结构包括沉淀剂；（ii）使催化剂载体与含有催化活性金属的溶液或胶态悬浮液接触，使得在与沉淀剂接触时，含有催化活性金属的颗粒沉淀在催化剂载体的框架的内部孔结构中。本发明还涉及根据以上方法制备的负载型催化剂，以及该催化剂在催化化学反应中的用途，例如，在烃类的费托合成中的用途。

Methods of preparation and forming supported active metal catalysts and precursors

The invention relates to a method of preparing a supported catalyst, which method comprises the steps of; (i) providing a porous catalyst support comprising a framework having an internal pore structure comprising one or more pores which internal pore structure comprises a precipitant; (ii) contacting the catalyst support with a solution or colloidal suspension comprising a catalytically active metal such that, on contact with the precipitant, particles comprising the catalytically active metal are precipitated within the internal pore structure of the framework of the catalyst support. The invention also relates to supported catalysts made according to the above method, and to use of the catalysts in catalysing chemical reactions, for example in the Fischer Tropsch synthesis of hydrocarbons.

Methods of preparation and forming supported active metal catalysts and precursors

The invention relates to a method of preparing a supported catalyst, which method comprises the steps of; (i) providing a porous catalyst support comprising a framework having an internal pore structure comprising one or more pores which internal pore structure comprises a precipitant; (ii) contacting the catalyst support with a solution or colloidal suspension comprising a catalytically active metal such that, on contact with the precipitant, particles comprising the catalytically active metal are precipitated within the internal pore structure of the framework of the catalyst support. The invention also relates to supported catalysts made according to the above method, and to use of the catalysts in catalyzing chemical reactions, for example in the Fischer Tropsch synthesis of hydrocarbons.

Method for producing catalyst and method for producing acrylonitrile

A method for producing a catalyst according to the present invention includes: a preparation step of preparing a precursor slurry comprising molybdenum, bismuth, iron, silica, and a carboxylic acid; a drying step of spray-drying the precursor slurry and thereby obtaining a dried particle; and a calcination step of calcining the dried particle, wherein the preparation step comprises: a step (I) of mixing a starting material for silica with the carboxylic acid and thereby preparing a silica-carboxylic acid mixed liquid; and a step (II) of mixing the silica-carboxylic acid mixed liquid, molybdenum, bismuth, and iron.

Catalyst and method for the direct synthesis of dimethyl ether from synthesis gas

Catalysts and methods for their manufacture and use for the synthesis of dimethyl ether from syngas are disclosed. The catalysts comprise ZnO, CuO, ZrO 2 , alumina and one or more of boron oxide, tantalum oxide, phosphorus oxide and niobium oxide. The catalysts may also comprise ceria. The catalysts described herein are able to synthesize dimethyl ether directly from synthesis gas, including synthesis gas that is rich in carbon monoxide.

PROCESS OF OBTAINING A CATALYST, CATALYST AND PRE-TREATMENT PROCESS OF ACIDIC CHARGES

The present invention concerns a catalyst and pre-treatment process for acidic charges consisting of sulfated zirconia and cerium for the production of biofuels, characterized in that the catalyst has greater activity and resistance to deactivation with acidic charges. 1. A PROCESS OF OBTAINING A PRE-TREATMENT CATALYST OF ACIDIC CHARGES , characterized in that it comprises the following steps:a) precipitation of zirconium hydroxide using a source of zirconium and a base;b) addition of a porogen to the solution prepared in a);c) stirring, aging, filtering, drying;d) addition of a source of cerium and a source of sulfur over the dry material obtained in c);e) calcination of the material obtained in d);f) optionally, the addition of the porogen is carried out during the sulfation/incorporation of cerium in d), followed by calcination;g) optionally, addition of a source of titanium and sulfur followed by the addition of cerium in step d).2. THE PROCESS OF OBTAINING A PRE-TREATMENT CATALYST OF ACIDIC CHARGES according to claim 1 , characterized in that the porogen added in step b) is starch or a surfactant.3. THE PROCESS OF OBTAINING A PRE-TREATMENT CATALYST OF ACIDIC CHARGES according to and claim 1 , characterized in that the selected surfactant is the copolymer of poly(ethylene glycol)-poly(propylene glycol)-poly(ethylene glycol) with a ratio of 20:70:20.4. THE PROCESS OF OBTAINING A PRE-TREATMENT CATALYST OF ACIDIC CHARGES according to claim 1 , characterized in that the source of zirconium is zirconium oxychloride or zirconium nitrate.5. THE PROCESS OF OBTAINING A PRE-TREATMENT CATALYST OF ACIDIC CHARGES according to claim 1 , characterized in that the base is selected from ammonium hydroxide claim 1 , or sodium carbonate claim 1 , or sodium hydroxide.6. THE PROCESS OF OBTAINING A PRE-TREATMENT CATALYST OF ACIDIC CHARGES according to claim 1 , characterized in that the source of cerium is cerium nitrate.7. THE PROCESS OF OBTAINING A PRE-TREATMENT CATALYST OF ACIDIC ...

Method of producing catalyst and method of producing acrylonitrile

FIELD: chemistry. SUBSTANCE: invention relates to a method of producing a catalyst and a method of producing acrylonitrile. Described is a method of producing an ammoxidation catalyst, wherein the catalyst comprises: a metal oxide having a total composition represented by formula (1) below; and silica: Mo 12 Bi a Fe b X c Y d Z e O f (1), where X is at least one element selected from the group consisting of nickel, cobalt, magnesium, calcium, zinc, strontium and barium; Y is at least one element selected from a group consisting of cerium, chromium, lanthanum, neodymium, yttrium, praseodymium, samarium, aluminum, gallium and indium; Z is at least one element selected from a group consisting of potassium, rubidium and cesium; a, b, c, d, e and f denote atomic fraction of each element and satisfy conditions 0.1≤a≤3.0, 0.1≤b≤3.0, 0.1≤c≤10.0, 0.1≤d≤3.0 and 0.01≤e≤2.0, respectively, and f is the number of oxygen atoms required to satisfy the requirements of atomic valences of other elements present in formula (1), wherein the method includes: a step of preparing a precursor suspension containing molybdenum, bismuth, iron, silica and carboxylic acid; spray drying the precursor suspension to obtain dry particles; and a step for burning dried particles, where the preparation step includes: step (I) mixing the starting material of silica with a carboxylic acid and thereby obtaining a mixed liquid of silica-carboxylic acid; and stage (II) of mixing said mixed liquid of silica-carboxylic acid, molybdenum, bismuth and iron. Described also is an ammoxidation catalyst obtained using the method described above. Methods of producing acrylonitrile include a step for preparing an ammoxidation catalyst using the method described above and a reaction step for reacting propylene, molecular oxygen and ammonia in the presence of said catalyst. EFFECT: method of producing a catalyst which provides high output of acrylonitrile. 11 cl, 2 dwg, 4 tbl, 40 ex РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (13 ...

Catalyst, method for producing catalyst, method for producing acrylonitrile

본 발명은 몰리브덴과 비스무트와 철을 포함하는 촉매로서, 환원율이 0.20∼5.00％의 범위인 촉매를 제공한다. The present invention provides a catalyst comprising molybdenum, bismuth, and iron, with a reduction rate in the range of 0.20 to 5.00%.

混合氧化物的纳米颗粒的悬浮液

本发明涉及一种基于铈和锆的混合氧化物的纳米颗粒的悬浮液。本发明还涉及所述悬浮液用于制备催化汽油微粒过滤器的用途。

Water gas shift catalysts and method for producing syngas by Water gas shift reaction using the same

본 발명은 수성가스 전환 반응용 촉매와 이 촉매를 이용하여 수성가스 전환 반응에 의한 합성가스의 제조방법에 관한 것이다. 더욱 상세하게는, 본 발명은 세리아-지르코니아(Ce x -Zr 1-x O 2 ) 담체에, 구리(Cu)와 몰리브덴(Mo)의 이원계 활성금속이 일정 함량비로 담지되어 있는 수성가스 전환 반응용 촉매와, 이 촉매하에서 수성가스 전환반응을 수행하여 합성가스(Syngas)를 제조하는 방법을 특징으로 하며, 본 발명이 특징으로 하는 촉매는 구리 (Cu) 단일계 촉매 또는 종래의 상용 촉매에 비해 높은 촉매 활성을 유지할 뿐만 아니라 250℃ 이상에서 열주기(thermal cycling)에 대한 내구성이 우수하므로 연료전지, 석유화학공정 및 수소스테이션 등의 다양한 분야에 유용하게 적용된다. The present invention relates to a catalyst for water gas shift reaction and a method for producing syngas by water gas shift reaction using the catalyst. More specifically, the present invention is for a water gas conversion reaction in which a binary active metal of copper (Cu) and molybdenum (Mo) is supported on a ceria-zirconia (Ce x -Zr 1-x O 2 ) carrier. A catalyst and a method for producing syngas by performing a water gas shift reaction under the catalyst, the catalyst characterized by the present invention is higher than a copper (Cu) mono-based catalyst or a conventional commercial catalyst In addition to maintaining catalyst activity, it has excellent durability against thermal cycling at 250 ° C. or higher, and thus is usefully applied to various fields such as fuel cells, petrochemical processes, and hydrogen stations. 수성가스 전환 반응, 연료개질기, 일산화탄소, 수소, 연료전지용 개질기 탑재 자동차, 열주기 Water gas conversion reaction, fuel reformer, carbon monoxide, hydrogen, vehicle with reformer for fuel cell, heat cycle

结构化的锆溶液

本发明涉及锆溶液或溶胶，其包括：(a)锆，(b)硝酸根、乙酸根和/或氯离子，和(c)一种或多种络合剂，其为包括以下官能团的至少一种的有机化合物：胺、有机硫酸根、磺酸根、羟基、醚或羧酸基团，其中组分(a):(b)的摩尔比为1:0.7到1:4.0，组分(a):(c)的摩尔比为1:0.0005到1:0.1，和所述锆溶液或溶胶的pH小于5。本发明还涉及用于制备锆溶液或溶胶的工艺，所述工艺包括如下步骤：(a)将锆盐溶解在硝酸、乙酸和/或盐酸中，和(b)向所得溶液添加一种或多种络合剂，所述一种或多种络合剂为包括以下官能团的至少一种的有机化合物：胺、有机硫酸根、磺酸根、羟基、醚或羧酸基团，和(c)将所述溶液或溶胶加热至至少75℃的温度。此外，本发明涉及由所述锆溶液或溶胶形成或能通过所述方法获得的产品。

Process for preparing catalyst and process for producing acrylonitrile

본 발명에 따른 촉매의 제조 방법은, 몰리브덴과 비스무트와 철과 실리카와 카르복실산을 포함하는 전구체 슬러리를 조제하는 조제 공정과, 상기 전구체 슬러리를 분무 건조하여 건조 입자를 얻는 건조 공정과, 상기 건조 입자를 소성하는 소성 공정을 가지며, 상기 조제 공정이, 실리카 원료와 카르복실산을 혼합하여, 실리카-카르복실산 혼합액을 조제하는 공정 (I)과, 상기 실리카-카르복실산 혼합액, 몰리브덴, 비스무트 및 철을 혼합하는 공정 (II)를 포함한다. A method for producing a catalyst according to the present invention includes a preparation step of preparing a precursor slurry containing molybdenum, bismuth, iron, silica, and carboxylic acid, a drying step of spray drying the precursor slurry to obtain dried particles, and the drying It has a baking process which bakes a particle | grain, The said preparation process mixes a silica raw material and carboxylic acid, and prepares a silica-carboxylic-acid mixed liquid, and the said silica-carboxylic acid mixed liquid, molybdenum, bismuth. And step (II) of mixing iron.

Method for producing compound

【課題】反応器に損傷を与えることなく、触媒の飛散を抑制しながら、化合物を高収率で得ることのできる化合物の製造方法を提供することを目的とする。 【解決手段】 触媒が流動可能に収納された内部空間と、流動床反応器に炭化水素を含む原料ガスを供給する第一の供給口と、前記流動床反応器に酸素を含む酸素含有ガスを供給する第二の供給口と、前記流動床反応器から反応生成ガスを排出する排出口と、を有する前記流動床反応器を用い、前記内部空間内で、前記触媒の存在下で前記炭化水素を気相接触酸化反応又は気相接触アンモ酸化反応に供することによりそれぞれ対応する不飽和酸又は不飽和ニトリルを製造する反応工程を有し、該反応工程において、前記第一の供給口における前記原料ガスの線速度（ｍ/ｓｅｃ）を、前記触媒の耐摩耗度（％）に対して、所定の関係を満たすように調整する、化合物の製造方法。 【選択図】なし An object of the present invention is to provide a method for producing a compound capable of obtaining a compound in a high yield while suppressing scattering of a catalyst without damaging a reactor. SOLUTION: An internal space in which a catalyst is flowably housed, a first supply port for supplying a raw material gas containing hydrocarbons to a fluidized bed reactor, and an oxygen-containing gas containing oxygen in the fluidized bed reactor. Using the fluidized bed reactor having a second supply port for supplying and a discharge port for discharging reaction product gas from the fluidized bed reactor, and in the interior space, the hydrocarbon in the presence of the catalyst In the gas phase catalytic oxidation reaction or gas phase catalytic ammoxidation reaction, respectively, to produce a corresponding unsaturated acid or unsaturated nitrile, and in the reaction step, the raw material in the first supply port A method for producing a compound, wherein a linear velocity (m / sec) of a gas is adjusted so as to satisfy a predetermined relationship with a degree of wear resistance (%) of the catalyst. [Selection figure] None

Zirconia-based compositions for use as three-way catalysts

LEAN NOx TRAP CATALYST

본 발명의 일 실시예에 의한 린 녹스 트랩 촉매는 배기라인 상에 설치되며, 제1 담체 상에 귀금속 및 질소산화물 흡장재가 담지된 제1 촉매; 및 제1 촉매의 전단에 설치되며, 제2 담체 상에 팔라듐(Pd)이 담지된 제2 촉매를 포함한다. The lean Knox trap catalyst according to an embodiment of the present invention is installed on an exhaust line, and a first catalyst in which a noble metal and nitrogen oxide storage material is supported on a first carrier; And a second catalyst installed in front of the first catalyst and on which palladium (Pd) is supported.

Method of producing an oxide catalyst and a method of producing an unsaturated nitrile

FIELD: chemistry. SUBSTANCE: invention relates to a method of producing an oxide catalyst and a method of producing an unsaturated nitrile. Method of producing oxide catalyst for gas-phase catalytic ammoxidation of propane or isobutane and containing Mo, V, Sb, Nb and silica, includes a step of preparing the starting material, comprising a sub-stage (I) for preparing an aqueous liquid mixture (A) containing Mo, V and Sb; substage (II) for adding hydrogen peroxide to an aqueous liquid mixture (A), thereby promoting oxidation of the aqueous liquid mixture (A) and obtaining an aqueous liquid mixture (A'); and substage (III) mixing aqueous liquid mixture (A'), Nb-containing initial liquid material (B) and initial carrier material containing silica, and thereby obtaining aqueous liquid mixture (C); a step for drying an aqueous liquid mixture (C) and thereby obtaining a dry powder and a step for calcining dry powder in an atmosphere of an inert gas, where time elapsed from adding hydrogen peroxide to the aqueous liquid mixture (A) until mixing with it of an Nb-containing starting liquid material (B) is less than 5 minutes, and aqueous liquid mixture (A') before exposure of substage (III) has oxidation-reduction potential of 150–350 mV. Method of producing acrylonitrile involves a step for producing an oxide catalyst using the above described method of producing an oxide catalyst and a step for producing acrylonitrile, wherein a gas-phase catalytic ammoxidation reaction of propane or isobutane is carried out in the presence of the obtained oxide catalyst to thereby obtain acrylonitrile in accordance therewith. EFFECT: providing a method by which an oxide catalyst which provides high output of an unsaturated nitrile can be obtained without the need to introduce complex steps and modifying agents. 5 cl, 16 ex, 1 tbl РОССИЙСКАЯ ФЕДЕРАЦИЯ ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) (19) RU (11) (13) 2 702 126 C1 (51) МПК B01J 37/04 (2006.01) B01J 37/ ...

Catalyst

Patent RU2019108783A3

РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (51) МПК C01G 25/00 (2006.01) C01G 25/02 (2006.01) C01G 25/06 (2006.01) C01B 25/37 (2006.01) C01B 33/00 (2006.01) C01F 7/00 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА C01G 19/00 (2006.01) ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ C01G 33/00 (2006.01) C01G 39/00 (2006.01) B01J 21/06 (2006.01) (12) (13) 2019 108 783 A B01J 23/14 (2006.01) B01J 23/16 (2006.01) B01J 35/00 (2006.01) ЗАЯВКА НА ИЗОБРЕТЕНИЕ (21)(22) Заявка: 2019108783, 30.01.2017 (71) Заявитель(и): МАГНЕЗИУМ ЭЛЕКТРОН ЛИМИТЕД (GB) Приоритет(ы): (30) Конвенционный приоритет: (43) Дата публикации заявки: 27.11.2020 Бюл. № 33 (86) Заявка PCT: GB 2017/050233 (30.01.2017) (87) Публикация заявки PCT: R U Адрес для переписки: 129090, Москва, ул. Б. Спасская, 25, стр. 3, ООО "Юридическая фирма Городисский и Партнеры" (54) КИСЛОТНЫЙ ГИДРОКСИД ЦИРКОНИЯ (57) Формула изобретения 1. Гидроксид циркония включающий, в пересчете на оксид, до 30% вес. легирующей добавки, содержащей один или несколько из следующих: кремний, сульфат, фосфат, вольфрам, ниобий, алюминий, молибден, титан или олово, и имеющий кислотные центры. 2. Гидроксид циркония по п. 1, имеющий больше льюисовских кислотных центров, чем кислотных центров Брэнстеда. 3. Гидроксид циркония по п. 1 или 2, включающий, в пересчете на оксид, менее 0,1% вес. легирующей добавки, содержащей один или несколько из следующих: кремний, сульфат, фосфат, вольфрам, ниобий, алюминий, молибден, титан или олово, при этом, гидроксид циркония является пористым, и в отношении пор с диаметром до 155 нм, по меньшей мере, 70% объема его пор образовано порами диаметром 3,5-155 нм, измеренным методом BJH. 4. Гидроксид циркония по п. 3, в котором, в отношении пор с диаметром до 155 нм, по меньшей мере, 75% объема пор образовано порами диаметром 3,5-155 нм, измеренным методом BJH. 5. Легированный гидроксид циркония по п. 1 или 2, включающий, в пересчете на Стр.: 1 A 2 0 1 9 1 0 8 7 8 3 A WO 2018/078313 (03.05.2018) 2 0 1 9 1 0 8 7 8 3 (85) Дата начала рассмотрения заявки PCT на ...

Patent RU2019105493A3

ВИ“? 2019105493” АЗ Дата публикации: 28.01.2021 Форма № 18 ИЗПМ-2011 Федеральная служба по интеллектуальной собственности Федеральное государственное бюджетное учреждение ж 5 «Федеральный институт промышленной собственности» (ФИПС) ОТЧЕТ О ПОИСКЕ 1. . ИДЕНТИФИКАЦИЯ ЗАЯВКИ Регистрационный номер Дата подачи 2019105493/04(010456) 15.06.2017 РСТ/О$2017/037627 15.06.2017 Приоритет установлен по дате: [ ] подачи заявки [ ] поступления дополнительных материалов от к ранее поданной заявке № [ ] приоритета по первоначальной заявке № из которой данная заявка выделена [ ] подачи первоначальной заявки № из которой данная заявка выделена [ ] подачи ранее поданной заявки № [Х] подачи первой(ых) заявки(ок) в государстве-участнике Парижской конвенции (31) Номер первой(ых) заявки(ок) (32) Дата подачи первой(ых) заявки(ок) (33) Код страны 1. 62/367,794 28.07.2016 05 Название изобретения (полезной модели): [Х] - как заявлено; [ ] - уточненное (см. Примечания) КАТАЛИЗАТОР, СОДЕРЖАЩИЙ БИМЕТАЛЛИЧЕСКИЕ НАНОЧАСТИЦЫ МЕТАЛЛОВ ПЛАТИНОВОЙ ГРУППЫ Заявитель: БАСФ КОРПОРЕЙШН, 05 2. ЕДИНСТВО ИЗОБРЕТЕНИЯ [Х] соблюдено [ ] не соблюдено. Пояснения: см. Примечания 3. ФОРМУЛА ИЗОБРЕТЕНИЯ: [Х] приняты во внимание все пункты (см. Примечания) [ ] приняты во внимание следующие пункты: [ ] принята во внимание измененная формула изобретения (см. Примечания) 4. КЛАССИФИКАЦИЯ ОБЪЕКТА ИЗОБРЕТЕНИЯ (ПОЛЕЗНОЙ МОДЕЛИ) (Указываются индексы МПК и индикатор текущей версии) ВО1./ 35/04 (2006.01) ВО1. 23/40 (2006.01) ВОТО 53/94 (2006.01) ЕО1М 3/20 (2006.01) 5. ОБЛАСТЬ ПОИСКА 5.1 Проверенный минимум документации РСТ (указывается индексами МПК) ВО11 35/04 (2006.0Т)Г В014 23/40 (2006.01)Г ВОТЬ 53/94 (2006.01)Г ЕО1М 3/20 (2006.01 5.2 Другая проверенная документация в той мере, в какой она включена в поисковые подборки: 5.3 Электронные базы данных, использованные при поиске (название базы, и если, возможно, поисковые термины): РУ/РТ, ЕАРАТГУ, Ебрасепе, Соозе, Соозе Ра{еп($, Раеагсв, КОРТО, эслепсе Оесь ОРТО 6. ДОКУМЕНТЫ, ...

Honeycomb catalyst

Cerium, zirconium and tungsten-based composition, method of its obtaining and application in catalysis

FIELD: chemistry. SUBSTANCE: invention relates to composition for purification of exhaust gases based on cerium, zirconium and tungsten. Claimed composition has the following weight contents, expressed in oxide: cerium oxide - from 5 to 30%, tungsten oxide - from 2 to 17%, the remaining part - zirconium oxide. After ageing at 750°C in air atmosphere with 10% of water it has two-phase crystallographic structure, containing tetragonal phase of zirconium oxide and monoclinic phase of zirconium oxide, without presence of crystalline tungsten-containing phase. Claimed invention also relates to method of obtaining such composition, catalytic system, containing said composition, as well as to methods of processing gas for conversion of nitrogen oxides and catalytic oxidation of carbon monoxide with application of said composition. EFFECT: claimed composition makes it possible to effectively purify exhaust gases from nitrogen oxides and carbon monoxides. 13 cl, 2 dwg, 2 tbl, 4 ex РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (51) МПК B01J 21/06 B01J 23/02 B01J 23/30 B01D 53/56 B01D 53/62 B01D 53/94 (13) 2 549 573 C2 (2006.01) (2006.01) (2006.01) (2006.01) (2006.01) (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ОПИСАНИЕ (21)(22) Заявка: ИЗОБРЕТЕНИЯ К ПАТЕНТУ 2012154889/04, 17.05.2011 (24) Дата начала отсчета срока действия патента: 17.05.2011 Приоритет(ы): (30) Конвенционный приоритет: (43) Дата публикации заявки: 27.06.2014 Бюл. № 18 (45) Опубликовано: 27.04.2015 Бюл. № 12 (73) Патентообладатель(и): РОДИА ОПЕРАСЬОН (FR), МАГНЕЗИУМ ЭЛЕКТРОН ЛИМИТЕД (GB) C 2 C 2 C.BOZO ET AL., Characterisation of ceriazirconia solid solutions. after hydrothermal ageing, APPLIED CATALYSIS A: GENERAL, vol.220, pp. 69-77, 2001. WO 2008/046921 A1, 24.04.2008. P.FORNASIERO ET AL., RhLoaded CeO2-ZnO2 Solid Solutions as Highly Efficient Oxygen Exchangers: Dependence of the (см. прод.) (85) Дата начала рассмотрения заявки PCT на национальной фазе: 19.12.2012 2 5 4 9 5 7 3 (86) Заявка PCT: R ...

Methods of preparation and forming supported active metal catalysts and precursors

The invention relates to a method of preparing a supported catalyst, which method comprises the steps of; (i) providing a porous catalyst support comprising a framework having an internal pore structure comprising one or more pores which internal pore structure comprises a precipitant; (ii) contacting the catalyst support with a solution or colloidal suspension comprising a catalytically active metal such that, on contact with the precipitant, particles comprising the catalytically active metal are precipitated within the internal pore structure of the framework of the catalyst support. The invention also relates to supported catalysts made according to the above method, and to use of the catalysts in catalysing chemical reactions, for example in the Fischer Tropsch synthesis of hydrocarbons.

Катализатор, содержащий биметаллические наночастицы металлов платиновой группы

Изобретение относится к каталитически-активному изделию для уменьшения выбросов выхлопного газа из двигателя внутреннего сгорания, способу снижения одного или нескольких из уровней CO, HC и NOxв потоке выбросов выхлопного газа из двигателя внутреннего сгорания, к системе обработки выхлопного газа и способу изготовления каталитически-активного изделия. Каталитически-активное изделие включает подложку катализатора, имеющую множество каналов, приспособленных для течения газа, причем каждый канал имеет поверхность стенки, и каталитическое покрытие на поверхностях или внутри пор данной стенки, причем данное каталитическое покрытие содержит первое покрытие из пористого оксида типа «washcoat», содержащее компонент металла платиновой группы (PGM) и первый носитель из жаропрочного оксида металла, и второе покрытие из пористого оксида типа «washcoat», содержащее множество наночастиц палладия-родия и второй носитель из жаропрочного оксида металла. Наночастицы палладия-родия имеют средний размер первичных частиц от 5 до 10 нм. Наночастицы палладия-родия имеют массовое соотношение Pd : Rh от 1:1 до 3:1. Первый носитель из жаропрочного оксида металла представляет собой компонент накопления кислорода. Второй носитель из жаропрочного оксида металла представляет собой оксид алюминия. Первое покрытие из пористого оксида типа «washcoat» расположено непосредственно на подложке катализатора, а второе покрытие из пористого оксида типа «washcoat» расположено сверху первого покрытия из пористого оксида типа «washcoat». Технический результат состоит в предоставлении каталитических материалов трехкомпонентной конверсии (TWC), которые обеспечивают превосходную каталитическую активность, термическую устойчивость и эффективное использование компонента Rh и компонента Pd.4 н. и 7 з.п. ф-лы,11 ил., 5 табл., 12 пр. РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (13) 2 753 835 C2 (51) МПК B01J 35/04 (2006.01) B01J 23/40 (2006.01) B01D 53/94 (2006.01) F01N 3/20 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ ...

Metal Structure, Method for Manufacturing Metal Structure, and Metal Structure Catalyst for Autothermal Reforming Catalyst Layer for Synthesis of Fischer-Tropsch Liquefaction Process

본 발명은 피셔-트롭쉬 액화공정용 합성가스 제조를 위한 자열개질 촉매층용 금속구조체, 금속구조체의 제조방법 및 금속구조체촉매에 관한 것으로, 그 목적은 주된 반응으로 메탄을 수소와 일산화탄소로 전환하면서, 피셔-트롭쉬 공정에 적합한 수소와 일산화탄소 비율(H 2 /CO≒2)을 얻는 자열개질 장치 촉매층에 사용되는 금속구조체, 금속구조체의 제조방법 및 금속구조체촉매를 제공하는 데 있다. The present invention relates to a metal structure for the autothermal reforming catalyst layer, a method for producing a metal structure, and a metal structure catalyst for syngas production for the Fischer-Tropsch liquefaction process, the object of which is to convert methane into hydrogen and carbon monoxide in the main reaction, The present invention provides a metal structure, a method for producing a metal structure, and a metal structure catalyst for use in an autothermal reformer catalyst layer obtaining a hydrogen and carbon monoxide ratio (H 2 / CO ≒ 2) suitable for the Fischer-Tropsch process. 본 발명의 구성은 피셔-트롭쉬 액화공정용 합성가스 제조를 위한 자열개질 촉매층용 금속구조체에 있어서, 금속지지체인 금속 모노리스와; 금속모노리스 표면에 코팅되어 활성종 촉매금속이 담지되는, 감마 알루미나(γ-alumina) 100 중량부에 대하여 마그네슘 옥사이드(MgO) 30 ~ 60 중량부, 증진제인 산화물 형태의 세리윰(Ce) 34.7~38.6 중량부, 바륨(Ba) 8.8~14 중량부, 스트론튬(Sr) 1.1~2 중량부로 조성된 금속산화물;로 구성된 피셔-트롭쉬 액화공정용 합성가스 제조를 위한 자열개질 촉매층용 금속구조체 및 그 제조방법 그리고 금속구조체에 팔라듐이 담지된 금속구조체촉매를 특징으로 한다. According to an aspect of the present invention, there is provided a metal structure for an autothermal reforming catalyst layer for preparing a synthesis gas for a Fischer-Tropsch liquefaction process, the metal support being a metal monolith; 30 to 60 parts by weight of magnesium oxide (MgO) based on 100 parts by weight of gamma alumina coated on the surface of the metal monolith to carry the active species catalyst metal, and cerium in the form of oxide as a promoter 34.7 to 38.6 Part by weight, 8.8 to 14 parts by weight of barium (Ba), 1.1 to 2 parts by weight of strontium (Sr); Metal structure for the autothermal reforming catalyst layer for the synthesis of the fischer-Tropsch liquefaction process composed of metal oxide and its preparation And a metal structure catalyst having palladium supported on the ...

Mixed oxide based on cerium and zirconium

FIELD: chemistry. SUBSTANCE: invention can be used for purification of the exhaust gases of internal combustion engines. A mixed oxide of zirconium, cerium, lanthanum and optionally at least one rare earth element other than cerium and lanthanum (REE), also containing hafnium, is proposed. The weight parts of the specified elements, expressed in the oxide equivalent per the total weight of the mixed oxide, are as follows: 8-45% of cerium, 1-10% of lanthanum, 0-15% of the specified rare earth element other than cerium and lanthanum, the weight part of hafnium is less than or equal to 2.5%, the rest is zirconium. The mixed oxide has a specific surface area according to BET of at least 30 m 2 /g after firing at 1100°C for 4 hours, and a specific surface area according to BET of at least 55 m 2 /g after firing at 1000°C for 4 hours. A mixed oxide consisting of a mixture of zirconium, cerium, lanthanum oxides, optionally at least one rare earth element other than cerium and lanthanum (REE), and optionally hafnium, a method for producing a mixed oxide, a composition for catalysis in the purification of car exhaust gases, a catalytically active coating layer, a catalytic converter for processing car exhaust gases, the use of a mixed oxide, and a method for processing exhaust gases of internal combustion engines are also proposed. EFFECT: invention makes it possible to obtain a mixed oxide with good heat resistance, with a high pore volume, a high surface area even after exposure at high temperature. + 22 cl, 6 dwg, 5 tbl, 20 ex РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (51) МПК C01G 25/00 (2006.01) C01F 17/32 (2020.01) B01D 53/94 (2006.01) B01J 21/06 (2006.01) B01J 23/10 (2006.01) B01J 35/10 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА B01J 37/04 (2006.01) ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ B01J 37/06 (2006.01) B01J 37/08 (2006.01) F01N 3/10 (2006.01) (12) (13) 2 753 046 C2 F01N 3/20 (2006.01) ОПИСАНИЕ ИЗОБРЕТЕНИЯ К ПАТЕНТУ (52) СПК 2018141236, 25.04.2017 (24) Дата начала отсчета срока действия ...

Copper based catalyst for methane reformation using CO2, and the fabrication method thereof

본 발명은 이산화탄소를 이용한 메탄의 개질반응용 구리계 촉매 및 이의 제조방법에 관한 것으로, 상세하게는 화학식 1로 표시되는 이산화탄소를 이용한 메탄의 개질반응용 구리계 촉매 및 화학식 1의 조성비와 일치하도록 금속 전구체 용액을 실리카 담체에 담지시키는 단계(단계 1); 상기 단계 1에서 금속 전구체 용액이 담지된 실리카 담체를 건조하는 단계(단계 2); 및 상기 단계 2에서 건조된 실리카 담체를 소성시키는 단계(단계 3);를 포함하는 상기 화학식 1로 표시되는 이산화탄소를 이용한 메탄의 개질반응용 구리계 촉매의 제조방법을 제공한다. 본 발명에 따른 이산화탄소를 이용한 메탄의 개질반응용 구리계 촉매 및 이의 제조방법은 이산화탄소와 메탄을 이용하는 개질반응을 수행함에 있어서, 기존의 니켈계 촉매보다 상대적으로 저온에서 우수한 안정성 및 촉매 활성을 나타내어 일산화탄소 함량이 높은 합성가스를 제조할 수 있다. 또한, 값이 저렴한 구리를 이용함에 따라 저렴한 공정비용으로 촉매를 제조할 수 있다. The present invention relates to a copper-based catalyst for the reforming reaction of methane using carbon dioxide and a method for preparing the same, and more specifically, to a copper-based catalyst for the reforming reaction of methane using carbon dioxide represented by the formula (1) Supporting the precursor solution on a silica carrier (step 1); Drying the silica carrier on which the metal precursor solution is supported in step 1 (step 2); It provides a method for producing a copper-based catalyst for the reforming reaction of methane using carbon dioxide represented by the formula (1) comprising the step (step 3) and calcining the dried silica carrier in step 2. Copper-based catalyst for the reforming reaction of methane using carbon dioxide according to the present invention and a method for producing the same according to the present invention, in the reforming reaction using carbon dioxide and methane, exhibits excellent stability and catalytic activity at a relatively low temperature than the conventional nickel-based catalyst Syngas having a high content can be produced. In addition, the use of inexpensive copper can be used to produce a catalyst at a low process cost.

수성가스 전환 반응용 촉매와 이 촉매를 이용하여 수성가스전환 반응에 의한 합성가스의 제조방법

본 발명은 수성가스 전환 반응용 촉매와 이 촉매를 이용하여 수성가스 전환 반응에 의한 합성가스의 제조방법에 관한 것이다. 더욱 상세하게는, 본 발명은 세리아-지르코니아(Ce x -Zr 1-x O 2 ) 담체에, 구리(Cu)와 몰리브덴(Mo)의 이원계 활성금속이 일정 함량비로 담지되어 있는 수성가스 전환 반응용 촉매와, 이 촉매하에서 수성가스 전환반응을 수행하여 합성가스(Syngas)를 제조하는 방법을 특징으로 하며, 본 발명이 특징으로 하는 촉매는 구리 (Cu) 단일계 촉매 또는 종래의 상용 촉매에 비해 높은 촉매 활성을 유지할 뿐만 아니라 250℃ 이상에서 열주기(thermal cycling)에 대한 내구성이 우수하므로 연료전지, 석유화학공정 및 수소스테이션 등의 다양한 분야에 유용하게 적용된다. 수성가스 전환 반응, 연료개질기, 일산화탄소, 수소, 연료전지용 개질기 탑재 자동차, 열주기

Process for producing and forming supported active metal catalysts and precursors

Catalysts for preparing Olefin by Dehydrogenation of Hydrocarbon, and Preparation Method Thereof

The present invention relates to a catalyst for hydrocarbon dehydrogenation reaction, a process for preparing the same, and a process for preparing olefins by dehydrogenating hydrocarbon using the catalyst, and more particularly, to an alumina support on which chromium oxide, potassium oxide and cerium oxide are supported 1 to 30 parts by weight of chromium oxide with respect to 100 parts by weight of alumina, 0.1 to 10 parts by weight of potassium oxide with respect to 100 parts by weight of alumina and 1 to 20 parts by weight of cerium oxide with respect to 100 parts by weight of alumina, Thereby providing a reaction catalyst. In the catalyst for hydrocarbon dehydrogenation reaction of the present invention, the alumina support can be easily prepared by the spray drying method, and the process of supporting the metal oxide is also carried out through a simple process. Therefore, excellent reproducibility can be secured in the production process of a catalyst for hydrocarbon dehydrogenation reaction containing alumina carrier and ultimately obtained alumina-supported chromium oxide-potassium oxide-cerium oxide. Therefore, a catalyst for hydrocarbon dehydrogenation reaction which can produce olefins with high yield can be stably obtained. In addition, for example, it is possible to obtain an economical benefit by satisfying propylene demand by securing a proprietary production process capable of continuously producing propylene without newly introducing a naphtha cracking process, and being able to actively cope with future market changes .

MIXED OXIDE BASED ON CERIUM AND ZIRCONIUM

РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (13) 2018 141 236 A (51) МПК C01G 25/00 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ЗАЯВКА НА ИЗОБРЕТЕНИЕ (21)(22) Заявка: 2018141236, 25.04.2017 (71) Заявитель(и): РОДИА ОПЕРАСЬОН (FR) Приоритет(ы): (30) Конвенционный приоритет: 26.04.2016 FR 1653698 (85) Дата начала рассмотрения заявки PCT на национальной фазе: 26.11.2018 R U (43) Дата публикации заявки: 26.05.2020 Бюл. № 15 (72) Автор(ы): ЖОРЖИ КОЭЛЬЮ МАРКЕШ Руй, Мигел (CN), ИФРА Симон (FR), ШАБЕР Борис (FR) (86) Заявка PCT: (87) Публикация заявки PCT: WO 2017/187085 (02.11.2017) A Адрес для переписки: 129090, Москва, ул. Б. Спасская, 25, стр. 3, ООО "Юридическая фирма Городисский и Партнеры" R U (57) Формула изобретения 1. Смешанный оксид циркония, церия, лантана и, необязательно, по меньшей мере одного редкоземельного элемента, отличного от церия и лантана (РЗЭ), причем весовые доли указанных элементов, выраженные в эквиваленте оксида в расчете на полный вес смешанного оксида, следующие: от 8% до 45% церия; от 1% до 10% лантана; 0 до 15% указанного редкоземельного элемента, отличного от церия и лантана; остальное цирконий, отличающийся тем, что смешанный оксид имеет: после обжига при температуре 1100°C в течение 4 часов удельную поверхность по БЭТ по меньшей мере 30 м2/г; после обжига при температуре 1000°C в течение 4 часов удельную поверхность по БЭТ по меньшей мере 55 м2/г; и тем, что дифференциальная кривая (dV/dlgD), полученная по ртутной порозиметрии на смешанном оксиде после обжига при температуре 1100°C в течение 4 часов, имеет в области пор диаметром меньше или равным 200 нм один пик, максимум которого соответствует диаметру пор Dp,1100°C/4ч, составляющему от 24 до 34 нм, где V и D Стр.: 1 A 2 0 1 8 1 4 1 2 3 6 (54) СМЕШАННЫЙ ОКСИД НА ОСНОВЕ ЦЕРИЯ И ЦИРКОНИЯ 2 0 1 8 1 4 1 2 3 6 FR 2017/050984 (25.04.2017) A 2 0 1 8 1 4 1 2 3 6 R U где V1 есть поровый объем, образованный порами с диаметром (в нм) в интервале от (Dp,1100°C/4ч -15) до (Dp,1100°C/ ...

Zirconium acid hydroxide

FIELD: chemistry. SUBSTANCE: invention can be used in the manufacture of catalysts and sorbents. Disclosed is a zirconium hydroxide including, in terms of oxide, up to 30 wt%. of a dopant containing silicon, sulfate or tungsten, and having acid sites, while the specified zirconium hydroxide has more Lewis acid sites than Bronsted acid sites. The method for producing zirconium hydroxide includes the stages at which basic zirconium carbonate is dissolved in an aqueous solution of nitric acid, a complexing agent is added to the resulting solution or sol, and the said complexing agent is mandelic acid. Then the resulting solution or sol is heated, a sulfating agent, a base, an alloying additive containing silicon, sulfate or tungsten are added. Zirconium oxide, a method for its production as well as a product for use in catalysis, a binder, a coating and a sorbent, including a zirconium hydroxide or a zirconium oxide, are disclosed. EFFECT: invention improves thermal stability of a product intended for use in catalysis such as a catalyst, catalyst support, catalyst precursor. 33 cl, 13 dwg, 7 tbl, 12 ex РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (51) МПК C01G 25/00 (2006.01) C01G 25/02 (2006.01) C01G 25/06 (2006.01) C01B 25/37 (2006.01) C01B 33/00 (2006.01) C01F 7/00 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА C01G 19/00 (2006.01) ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ C01G 33/00 (2006.01) C01G 39/00 (2006.01) B01J 21/06 (2006.01) (12) (13) 2 743 207 C2 B01J 23/14 (2006.01) B01J 23/16 (2006.01) B01J 35/00 (2006.01) ОПИСАНИЕ ИЗОБРЕТЕНИЯ К ПАТЕНТУ (52) СПК (21)(22) Заявка: 2019108783, 30.01.2017 30.01.2017 Дата регистрации: 16.02.2021 (73) Патентообладатель(и): МАГНЕЗИУМ ЭЛЕКТРОН ЛИМИТЕД (GB) Приоритет(ы): (30) Конвенционный приоритет: 2 7 4 3 2 0 7 R U (43) Дата публикации заявки: 27.11.2020 Бюл. № 33 (45) Опубликовано: 16.02.2021 Бюл. № 5 (85) Дата начала рассмотрения заявки PCT на национальной фазе: 27.05.2019 (86) Заявка PCT: (56) Список документов, цитированных в отчете о поиске: US 20160151768 ...

Mixed catalyst

Method of producing ammoxidation catalyst and a method of producing acrylonitrile

FIELD: chemical or physical processes. SUBSTANCE: invention relates to a method of producing an ammoxidation catalyst, wherein the ammoxidation catalyst has a composition represented by following formula (1): Mo 12 Bi a Fe b X c Y d Z e O f (1), where X is at least one element selected from the group consisting of nickel, cobalt, magnesium, calcium, zinc, strontium and barium; Y is at least one element selected from a group, consisting of cerium, chromium, lanthanum, neodymium, yttrium, praseodymium, samarium, aluminum, gallium and indium; Z is at least one element selected from a group consisting of potassium, rubidium and cesium; provided that in element X cobalt content is 20 atomic % or more and/or fraction of magnesium is 20 atomic % or less; a, b, c, d and e satisfy conditions 0.1≤a≤2.0; 0.1≤b≤3.0; 0.1≤c≤10.0; 0.1≤d≤3.0 and 0.01≤e≤2.0; respectively; and f is the number of oxygen atoms required to satisfy atomic valence requirements of other elements present in the formula, where said method comprises: step (i) for preparing a suspension of starting material containing molybdenum, bismuth, iron and a carboxylic acid compound; stage (ii) of mixing initial material suspension at temperature in range from 30 to 45 °C for 20 minutes to 8 hours, thereby obtaining a precursor suspension; spray drying the precursor suspension to obtain dry particles; and the dried particles burning stage, wherein the precursor suspension has viscosity of 1 to 100 cP. Invention also relates to methods of producing acrylonitrile and an ammoxidation catalyst for producing acrylonitrile. EFFECT: technical result consists in obtaining an ammoxidation catalyst, which enables to obtain high yield of acrylonitrile and has resistance to abrasion. 7 cl, 2 tbl, 49 ex РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (13) 2 729 070 C2 (51) МПК B01J 37/08 (2006.01) B01J 37/04 (2006.01) B01J 37/00 (2006.01) B01J 23/887 (2006.01) C07C 253/26 (2006.01) C07C 255/08 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ ...

Method for production of conjugated diolefin

An object of the present invention is to provide a method for production of a high purity conjugated diolefin. The method for production of a conjugated diolefin of the present invention comprises steps of supplying a source gas containing a C4 or higher monoolefin and an oxygen-containing gas into a reactor, bringing a catalyst into contact with the gas mixture, compressing a gas containing a conjugated diolefin produced by an oxidative dehydrogenation reaction to obtain a liquefied gas and rinsing the liquefied gas with water.

Preparation method of cyclohexane dimethanol having high trans contents and cyclohexane dimethanol thereof

본 발명은 사이클로헥산 디카르복실산(Cyclohexane dicarboxylic acid, CHDA) 수소화 반응 과정에서 조절되는 특정 조건, 첨가제 투입 또는 반응물 첨가를 통하여 높은 트랜스 함량을 갖도록 할 수 있는 사이클로헥산 디메탄올 제조방법 및 이에 의해 제조된 사이클로헥산 디메탄올(Cyclohexane dimethanol, CHDM)에 관한 것이다. The present invention provides a method for producing cyclohexane dimethanol capable of having a high trans content through specific conditions controlled in the process of cyclohexane dicarboxylic acid (CHDA) hydrogenation, addition of additives or addition of reactants, and preparation thereof It relates to a cyclohexane dimethanol (Cyclohexane dimethanol, CHDM).

Composition based on cerium, zirconium and tungsten, preparation process and use in catalysis

本发明涉及基于铈、锆和钨的组合物，且其用氧化物表示的含量如下，铈为5％至30％；钨为2％至17％以及其余为锆。在750℃于含有10％的水的空气气氛下老化后，该组合物具有包括四方相氧化锆以及单斜相氧化锆的两相晶体结构，不存在包含钨的晶相。该组合物可以被用作催化剂，特别是SCR方法中。

Method for Producing Mixed Metal Oxide Catalyst Containing Molybdenum and Bismuth

Catalysts for production of unsaturated aldehyde and unsaturated carboxylic acid and a process for producing unsaturated aldehyde and unsaturated carboxylic acid using the catalysts

상응하는 불포화 알데히드 및 불포화 카르복실산을 제조하기 위해, 산소 분자 또는 산소 분자-함유 기체로 프로필렌, 이소부틸렌, t-부탄올 및 메틸-t-부틸 에테르로 이루어진 군으로부터 선택되는 하나 이상의 화합물의 기상(vapor phase) 산화에서 사용하기 위한 개선된 촉매가 제공된다. 개선된 촉매는 (A) 필수성분으로 몰리브덴, 비스무트 및 철을 함유하고, 그 자체로 상기 반응을 위한 촉매로 공지된 복합산화물, 및 (B) 필수성분으로 세륨 및 지르코늄을 함유하는 복합산화물을 함유하는 조성물이다. 개선된 촉매를 사용할 때, 불포화 알데히드 및 불포화 카르복실산의 제조 공정이 연장된 기간에 걸쳐 계속 안정할 수 있다. Gas phase of one or more compounds selected from the group consisting of propylene, isobutylene, t-butanol and methyl-t-butyl ether as oxygen molecules or oxygen molecule-containing gases to produce the corresponding unsaturated aldehydes and unsaturated carboxylic acids. An improved catalyst for use in the vapor phase oxidation is provided. The improved catalyst contains (A) a molybdenum, bismuth and iron as essential components, a complex oxide per se known as a catalyst for the reaction, and (B) a complex oxide containing cerium and zirconium as essential components. It is a composition. When using an improved catalyst, the process for producing unsaturated aldehydes and unsaturated carboxylic acids can continue to be stable over an extended period of time.

Low Temperature SCR Catalyst with Improved Sulfur Resistance and Preparation Method Thereof

The present invention relates to a low-temperature denitration catalyst for selective catalytic reduction with improved sulfur resistance and a method for manufacturing the same. More specifically, the present invention relates to a low-temperature denitration catalyst for selective catalytic reduction with improved sulfur resistance and a method for manufacturing the same, which can promote the reduction reaction of nitrogen oxides even at low temperatures in spite of the small amount of vanadium loaded, can improve sulfur poisoning resistance, doesn't allow a treated gas to cause secondary environmental pollution, and has excellent abrasion resistance and strength, so that the removal efficiency of nitrogen oxides does not decrease even during long-term operation. At the same time, the catalyst is easy to manufacture, which can contribute to commercialization.

Patent RU2018113970A3

`”ВУ“” 2018113970” АЗ Дата публикации: 18.02.2020 Форма № 18 ИЗ,ПМ-2011 Федеральная служба по интеллектуальной собственности Федеральное государственное бюджетное учреждение 5 «Федеральный институт промышленной собственности» (ФИПС) ОТЧЕТ О ПОИСКЕ 1. . ИДЕНТИФИКАЦИЯ ЗАЯВКИ Регистрационный номер Дата подачи 2018113970/05(021882) 27.10.2016 РСТ/ОВ2016/053335 27.10.2016 Приоритет установлен по дате: [ ] подачи заявки [ ] поступления дополнительных материалов от к ранее поданной заявке № [ ] приоритета по первоначальной заявке № из которой данная заявка выделена [ ] подачи первоначальной заявки № из которой данная заявка выделена [ ] подачи ранее поданной заявки № [Х] подачи первой(ых) заявки(ок) в государстве-участнике Парижской конвенции (31) Номер первой(ых) заявки(ок) (32) Дата подачи первой(ых) заявки(ок) (33) Код страны 1. 1518996.2 27.10.2015 СВ Название изобретения (полезной модели): [Х] - как заявлено; [ ] - уточненное (см. Примечания) КОМПОЗИЦИИ НА ОСНОВЕ ОКСИДА ЦИРКОНИЯ, ИСПОЛЬЗУЕМЫЕ В КАЧЕСТВЕ ТРОИНЫХ КАТАЛИЗАТОРОВ Заявитель: МАГНЕЗИУМ ЭЛЕКТРОН ЛИМИТЕД, СВ 2. ЕДИНСТВО ИЗОБРЕТЕНИЯ [Х] соблюдено [ ] не соблюдено. Пояснения: см. Примечания 3. ФОРМУЛА ИЗОБРЕТЕНИЯ: [Х] приняты во внимание все пункты (см. Примечания) [ ] приняты во внимание следующие пункты: [ ] принята во внимание измененная формула изобретения (см. Примечания) 4. КЛАССИФИКАЦИЯ ОБЪЕКТА ИЗОБРЕТЕНИЯ (ПОЛЕЗНОЙ МОДЕЛИ) (Указываются индексы МПК и индикатор текущей версии) СОТЕ 17/32 (2020.01) ВО1.] 23/10 (2006.01) ВОТО 53/94 (2006.01) СО1С 25/02 (2006.01) ВОТ. 35/10 (2006.01) ВО1. 21/06 (2006.01) ВОТ. 37/03 (2006.01) 5. ОБЛАСТЬ ПОИСКА 5.1 Проверенный минимум документации РСТ (указывается индексами МПК) СОТЕ 17/00, СОТЕ 17/32, СО1С 25/00, СОТ@ 25/02, ВО13 21/06, В013 23/10, ВО13 35/10, ВО11 37/03, ВОТЬ 53/94 5.2 Другая проверенная документация в той мере, в какой она включена в поисковые подборки: 5.3 Электронные базы данных, использованные при поиске (название базы, и если, возможно, поисковые ...

SCR catalytic apparatus containing molecular sieve containing vanadium oxide and iron

본 발명은 선택적 촉매 환원(SCR)을 사용하여 질소 산화물을 함유하는 배기 가스를 정화하기 위한 촉매 장치에 관한 것으로서, 상기 촉매 장치는 적어도 두 개의 촉매 층을 포함하고, 제1 층은 바나듐 산화물, 및 티탄 산화물과 규소 산화물의 혼합 산화물을 함유하고, 제2 층은 철을 함유하는 분자체를 함유하며, 상기 제1 층은 상기 제2 층 위에 도포되는 촉매 장치에 관한 것이다. 본 발명은 또한, 상기 촉매 장치의 용도 및 배기 가스의 정화 방법에 관한 것이다.

Al2O3-CeO2 / ZrO2 coated composites and methods for their production

本発明は、Ｌａ安定化Ａｌ２Ｏ３相及びＣｅ／Ｚｒ／ＲＥ２Ｏ３混合酸化物相の混合物から成るコアであって、特定の結晶化度、特定の細孔容積及び特定の細孔サイズ分布を有するコアを備えた金属酸化物被覆複合物、並びにこの金属酸化物被覆複合物の製造方法に関する。【選択図】図１

A three-way catalyst comprising Ph-Rh alloy

본 발명은 결정성 Pd-Rh 합금을 포함하는 지지된 (supported) 촉매 제조방법으로서, (i) 무기 지지체, Pd 전구체 용액, 및 Rh 전구체 용액을 혼합하여 함침 지지체를 생성하는 단계 (ii) 상기 함침 지지체를 환원가스 분위기에서 열처리 (thermal treatment)하는 단계를 포함하는, 결정성 Pd-Rh 합금을 포함하는 지지된 촉매 제조방법에 관한 것이다.

Suspension of Mixed Oxide Nanoparticles

본 발명은 세륨 및 지르코늄을 기반으로 하는 혼합 옥사이드 나노입자의 현탁액에 관한 것이다. 이는 또한 촉매화된 가솔린 미립자 필터의 제조를 위한 상기 현탁액의 용도에 관한 것이다.

Catalyst containing Nickel, Potassium, Ceria zirconia and alumina and manufacturing method of the same

The present invention relates to a catalyst for vacuum residue steam catalytic cracking comprising nickel, potassium, ceria zirconia and alumina. When the catalyst according to the present invention is subjected to vapor catalytic cracking of reduced-pressure residual oil, the yield and conversion rate of the produced liquid are significantly improved compared with the conventional alumina-based catalyst, and the quality of the product can be improved by including ceria zirconia .

COATED COMPOSITE MATERIAL CONTAINING Al2O3-CeO2 / ZrO2 AND METHOD FOR PRODUCING IT

РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (13) 2017 114 220 A (51) МПК B01J 21/04 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ЗАЯВКА НА ИЗОБРЕТЕНИЕ (21)(22) Заявка: 2017114220, 09.11.2015 (71) Заявитель(и): САСОЛ ДЖЁМАНИ ГМБХ (DE) Приоритет(ы): (30) Конвенционный приоритет: 17.02.2015 EP 15155488.8 08 (85) Дата начала рассмотрения заявки PCT на национальной фазе: 18.09.2017 EP 2015/002238 (09.11.2015) (87) Публикация заявки PCT: WO 2016/131466 (25.08.2016) A Адрес для переписки: 197101, Санкт-Петербург, А/я 128, "АРСПАТЕНТ", С. В. Новоселовой R U (57) Формула изобретения 1. Имеющий покрытие композиционный материал, содержащий Al/Ce/Zr, включающий в себя кальцинированную основу, содержащую Al/Ce/Zr, причем основа состоит из двух фаз: стабилизированной La фазы Al2O3 и фазы смешанных оксидов Ce/Zr/RE2O3, причем обе фазы образуют гомогенную смесь, при этом кальцинированная основа, содержащая Al/Ce/Zr, характеризуется наличием объема порового пространства более 0,2 мл/г (в соответствии со стандартом DIN 66133) и распределением по размерам пор, имеющим максимум в диапазоне от 50 до 200 (в соответствии со стандартом DIN 66133), основа содержит металлооксидное покрытие, где металлооксидное покрытие составляет по меньшей мере от 1 мас. % до 50 мас. % имеющего покрытие композиционного материала, содержащего Al/Ce/Zr, и где основа, содержащая Al/Ce/Zr, в имеющем покрытие композиционном материале характеризуется отношением интенсивностей характеристических рефлексов гамма-оксида алюминия при 2θ≈67° и характеристических рефлексов твердого раствора Ce/Zr при 2θ≈29°, нормализованным по массовому % Al2O3, равным или большим 1. 2. Имеющий покрытие композиционный материал по п. 1, где кальцинированная основа, содержащая Al/Ce/Zr, в имеющем покрытие композиционном материале имеет: a) рефлекс в диапазоне от 2θ=65° до 69°, предпочтительно, в диапазоне от 66° до 68°, Стр.: 1 A 2 0 1 7 1 1 4 2 2 0 (54) ИМЕЮЩИЙ ПОКРЫТИЕ КОМПОЗИЦИОННЫЙ МАТЕРИАЛ, СОДЕРЖАЩИЙ Al2O3CeO2/ZrO2, И ...

MIXED CATALYST

1. Смешанный катализатор для реакции каталитического окисления в паровой фазе или реакции каталитического аммоксидирования в паровой фазе пропана или изобутана,где данный смешанный катализатор содержит:(a) сложный оксид, состав которого представлен приведенной ниже формулой (1):MoVNbSbWZO(1),где Z представляет собой по меньшей мере один элемент, выбранный из группы, состоящей из La, Ce, Pr, Yb, Y, Sc, Sr и Ba; каждый индекс из a, b, c, d, e и n представляет собой атомную долю каждого элемента в расчете на атом Mo; a находится в интервале 0,01≤a≤1; b находится в интервале 0,01≤b≤1; c находится в интервале 0,01≤c≤1; d находится в интервале 0,001≤d≤1; e находится в интервале 0≤e≤1; и n представляет собой число, определяемое валентностью металлических компонентов; и(b) соединение вольфрама при соотношении, соответствующем указанной ниже формуле (2):0,001<w<0,3 (2),где w представляет собой атомную долю вольфрама в соединении вольфрама как атомную долю в расчете на атом Mo в сложном оксиде.2. Смешанный катализатор по п.1, в котором соединение вольфрама содержит оксид вольфрама.3. Смешанный катализатор по п.1 или 2, где данный смешанный катализатор используется для реакции в псевдоожиженном слое.4. Способ получения ненасыщенной кислоты или ненасыщенного нитрила, включающий стадию приведения пропана или изобутана и кислорода в контакт со смешанным катализатором по п.1 или 2, или приведения пропана или изобутана, а также кислорода и аммиака в соприкосновение со смешанным катализатором по п.1 или 2.5. Способ по п.4, в котором температура для стадии приведения в контакт устанавливается при 400°C или более. РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (13) 2012 146 975 A (51) МПК B01J 23/30 (2006.01) C07C 57/05 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ЗАЯВКА НА ИЗОБРЕТЕНИЕ (21)(22) Заявка: 2012146975/04, 23.03.2011 (71) Заявитель(и): АСАХИ КАСЕИ КЕМИКАЛЗ КОРПОРЕЙШН (JP) Приоритет(ы): (30) Конвенционный приоритет: 13.05.2010 JP 2010-111444; 13.05.2010 JP ...

Lnt catalyst

서로 직렬연결된 복수개의 담체;로 이루어지고, 각각의 담체에는, 마그네슘(Mg)이 치환된 알루미나, 세리아(CeO 2 ), 바륨(Ba) 및 귀금속을 포함하는 제1워시코트; 마그네슘(Mg)이 치환된 알루미나, 세리아(CeO 2 ), 바륨(Ba) 및 제1워시코트보다 높은 함량의 귀금속을 포함하는 제2워시코트; 마그네슘(Mg)이 치환된 알루미나, 세리아(CeO 2 ) 및 제1워시코트보다 높은 함량의 귀금속을 포함하는 제3워시코트; 및 마그네슘(Mg)이 치환된 알루미나, 세리아(CeO 2 ) 및 제1워시코트보다 높은 함량의 귀금속을 포함하며, 제3워시코트보다 세리아(CeO 2 )에 대한 마그네슘(Mg)이 치환된 알루미나의 비가 낮은 제4워시코트; 중 적어도 어느 하나 이상이 내장되되, 배기가스가 통과되는 최전방 담체 내부에는 전방부터 제3워시코트 및 제1워시코트가 순차적으로 배치된 LNT촉매가 소개된다. A first wash coat comprising alumina, ceria (CeO 2 ), barium (Ba) and a noble metal substituted with magnesium (Mg), each carrier being composed of a plurality of carriers connected in series; Magnesium (Mg) is substituted alumina, ceria (CeO 2), barium second washcoat comprising a noble metal of higher content than (Ba) and a first washcoat; Third washcoat of magnesium (Mg) comprises a substituted alumina, ceria (CeO 2) and a high content of noble metal than the first washcoat; And magnesium (Mg) in the substituted alumina, ceria (CeO 2), and first comprises a high content of noble metal than the wash coat, a third magnesium (Mg) for more washcoat on ceria (CeO 2) is substituted alumina A fourth washcoat having a low ratio; , And an LNT catalyst in which a third wash coat and a first wash coat are sequentially arranged from the front are introduced into the inside of the foremost support through which exhaust gas is passed.

Patent RU2017114220A3

РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (13) 2017 114 220 A (51) МПК B01J 21/04 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ЗАЯВКА НА ИЗОБРЕТЕНИЕ (21)(22) Заявка: 2017114220, 09.11.2015 (71) Заявитель(и): САСОЛ ДЖЁМАНИ ГМБХ (DE) Приоритет(ы): (30) Конвенционный приоритет: 17.02.2015 EP 15155488.8 08 (85) Дата начала рассмотрения заявки PCT на национальной фазе: 18.09.2017 EP 2015/002238 (09.11.2015) (87) Публикация заявки PCT: WO 2016/131466 (25.08.2016) A Адрес для переписки: 197101, Санкт-Петербург, А/я 128, "АРСПАТЕНТ", С. В. Новоселовой R U (57) Формула изобретения 1. Имеющий покрытие композиционный материал, содержащий Al/Ce/Zr, включающий в себя кальцинированную основу, содержащую Al/Ce/Zr, причем основа состоит из двух фаз: стабилизированной La фазы Al2O3 и фазы смешанных оксидов Ce/Zr/RE2O3, причем обе фазы образуют гомогенную смесь, при этом кальцинированная основа, содержащая Al/Ce/Zr, характеризуется наличием объема порового пространства более 0,2 мл/г (в соответствии со стандартом DIN 66133) и распределением по размерам пор, имеющим максимум в диапазоне от 50 до 200 (в соответствии со стандартом DIN 66133), основа содержит металлооксидное покрытие, где металлооксидное покрытие составляет по меньшей мере от 1 мас. % до 50 мас. % имеющего покрытие композиционного материала, содержащего Al/Ce/Zr, и где основа, содержащая Al/Ce/Zr, в имеющем покрытие композиционном материале характеризуется отношением интенсивностей характеристических рефлексов гамма-оксида алюминия при 2θ≈67° и характеристических рефлексов твердого раствора Ce/Zr при 2θ≈29°, нормализованным по массовому % Al2O3, равным или большим 1. 2. Имеющий покрытие композиционный материал по п. 1, где кальцинированная основа, содержащая Al/Ce/Zr, в имеющем покрытие композиционном материале имеет: a) рефлекс в диапазоне от 2θ=65° до 69°, предпочтительно, в диапазоне от 66° до 68°, Стр.: 1 A 2 0 1 7 1 1 4 2 2 0 (54) ИМЕЮЩИЙ ПОКРЫТИЕ КОМПОЗИЦИОННЫЙ МАТЕРИАЛ, СОДЕРЖАЩИЙ Al2O3CeO2/ZrO2, И ...

Catalyst for methanation of carbon oxides, preparation method of the catalyst and process for the methanation

Disclosed is a catalyst for methanation reaction producing methane with high conversion by reaction of hydrogen with carbon dioxide, or a gas mixture of carbon dioxide and carbon monoxide, or a gas mixture containing these compounds as the main components. The catalyst is prepared by the steps of mixing (A) aqueous zirconia sol with salts of (B) stabilizing element(s), which is selected from the group consisting of Y, La, Ce, Pr, Nd, Sm, Gd, Dy, Ca and Mg, and (C) iron group element(s), drying and calcining the mixture to obtain a catalyst precursor, and subsequent reduction of the precursor. The catalyst comprises, by atomic %, A: 18-70%, B: 1-20% and C: 25-80% based on the elemental states of the metals. The catalyst is characterized by multiple oxide of tetragonal zirconia structure, in which not only the stabilizing element(s) but also a part of the iron group element(s) is incorporated, and on which the iron group element(s) in the metallic state is supported.

Mixed oxides catlysts for dehydrogenation of ethylbenzene to styrene

본 발명은 에틸벤젠의 탈수소화에 의한 스티렌 제조용 다중 산화물 촉매에 관한 것으로 티타니아-지르코니아 이중 금속산화물 촉매 지지체와 이에 탑재된 철산화물, 바나듐 산화물 또는 세륨 산화물로 이루어지는 에틸벤젠의 탈수소화에 의한 스티렌 제조용 다중 산화물 촉매를 제공한다. The present invention relates to a multi-oxide catalyst for styrene production by dehydrogenation of ethylbenzene, and to producing styrene by dehydrogenation of ethylbenzene consisting of a titania-zirconia double metal oxide catalyst support and iron oxide, vanadium oxide or cerium oxide mounted thereon. It provides an oxide catalyst. 본 발명에 의하여 스팀을 사용하지 않아 에너지 절약형인 스티렌 제조 공정에 사용할 수 있고 또한 높은 스티렌 전환율을 달성할 수 있으면서 촉매 열화가 늦쳐지고 안정성과 활성이 오래 유지되는 촉매 시스템이 제공된다. The present invention provides a catalyst system that can be used in an energy-saving styrene manufacturing process without using steam and can achieve high styrene conversion while delaying catalyst deterioration and maintaining stability and activity for a long time. 스팀, CO2, 에틸벤젠, 스티렌, 전환율, 선택률 Steam, CO2, ethylbenzene, styrene, conversion, selectivity

Complex catalyst having double perovskite structure, method of manufacturing the same, water splitting cell having the same, and apparatus for generating hydrogen gas having the same

본 발명은, 이중층 페로브스카이트 물질과 금속 촉매 물질을 함께 포함하여 산화 촉매 기능과 수소 발생 촉매 기능을 함께 수행하는 복합 촉매체를 제공한다. 본 발명의 일실시예에 따른 복합 촉매체는 이중층 페로브스카이트 물질을 포함하고, 산화 촉매 기능을 수행하는 제1 촉매부; 및 상기 제1 촉매부의 표면에 결합되고, 금속 또는 금속 산화물을 포함하고, 수소 발생 촉매 기능을 수행하고, 루테늄(Ru), 루테늄 합금, 및 루테늄 산화물 중 적어도 어느 하나를 포함하는 제2 촉매부;를 포함한다.

Method for producing oxide catalyst and method for producing unsaturated nitrile

본 발명은 Mo, V, Sb, 및 Nb를 포함하는 산화물 촉매의 제조 방법으로서, Mo, V, Sb, 및 Nb를 포함하는 수성 혼합액을 얻는 원료 조합 공정과, 상기 수성 혼합액을 30℃ 초과에서 숙성하는 숙성 공정과, 상기 수성 혼합액을 건조하여, 건조 분체를 얻는 건조 공정과, 상기 건조 분체를 소성하여, 상기 산화물 촉매를 얻는 소성 공정을 갖고, 상기 원료 조합 공정 및/또는 숙성 공정에 있어서, (Ⅰ)∼(Ⅲ)으로 이루어지는 군에서 선택되는 적어도 하나의 조작을 행함으로써, Nb의 석출을 촉진한다. 본 발명에 의하면, 불포화 니트릴 수율이 높은 산화물 촉매를 얻을 수 있고, 또한, 복잡한 공정의 도입 및 설비의 변경을 필요로 하지 않고 상기 산화물 촉매를 비교적 단시간에 제조할 수 있다. The present invention is a method for producing an oxide catalyst containing Mo, V, Sb, and Nb, a raw material combining process for obtaining an aqueous mixture containing Mo, V, Sb, and Nb, and aging the aqueous mixture at more than 30 ° C. a drying step of drying the aqueous mixture to obtain dry powder, and a calcining step of calcining the dry powder to obtain the oxide catalyst, in the raw material combining step and/or aging step, ( Precipitation of Nb is promoted by performing at least one operation selected from the group consisting of I) to (III). According to the present invention, an oxide catalyst having a high yield of unsaturated nitrile can be obtained, and the oxide catalyst can be produced in a relatively short time without introducing a complicated process and changing equipment.

Method for producing catalyst for ammoxidation, and method for producing acrylonitrile

モリブデンと、ビスマスと、鉄と、カルボン酸化合物とを含む原料スラリーを調製する工程（ｉ）と、前記原料スラリーを３０〜５０℃の温度範囲で２０分〜８時間撹拌して前駆体スラリーを調製する工程（ｉｉ）と、前記前駆体スラリーを噴霧乾燥し、乾燥粒子を得る工程と、前記乾燥粒子を焼成する工程と、を有する、アンモ酸化用触媒の製造方法。

Ammonia decomposition catalyst, and method for ammonia decomposing and hydrogen producing using the same

본 발명은 암모니아를 질소와 수소 전환시키는 암모니아 분해 촉매에 있어서, 촉매 활성 성분으로서 루테늄(Ru)을 포함하고, 촉매 지지체로서 산화 란탄 및 산화 세륨을 포함하는 복합 산화물 고용체(La x Ce 1-x O y )인 것을 특징으로 하는 암모니아 분해 촉매, 및 이를 이용한 암모니아 분해 및 수소 생산 방법에 관한 것이다.

Mixed catalyst

FIELD: chemistry. SUBSTANCE: invention relates to a mixed catalyst for catalytic vapour-phase oxidation or catalytic vapour-phase ammoxidation of propane or isobutane. The disclosed mixed catalyst contains: (a) a composite oxide of formula Mo 1 V a Nb b Sb c W d Z e O n (1), where Z is at least one element selected from a group consisting of La, Ce, Pr, Yb, Y, Sc, Sr and Ba; each of the indices a, b, c, d, e and n is the atomic fraction of each element with respect to an atom of Mo; a is in the range 0.01≤a≤1; b is in the range 0.01≤b≤1; c is in the range 0.01≤c≤1; d is in the range 0.001≤d≤1; e is in the range 0≤e≤1; and n is a number defined by the valence of metal components; and (b) a tungsten compound in a ratio which satisfies the condition 0.001<w<0,3 (2), where w is the atomic fraction of tungsten in the tungsten compound as an atomic fraction with respect to the atom of Mo in the composite oxide. Elementary tungsten from said tungsten compound (b) diffuses onto the surface of the composite oxide (a) and is fixed on said surface of the composite oxide (a) during catalytic vapour-phase oxidation of propane or isobutane with oxygen or during catalytic vapour-phase ammoxidation of propane or isobutane with oxygen and ammonia. The invention also relates to a method of producing an unsaturated acid or unsaturated nitrile using said mixed catalyst. EFFECT: disclosed mixed catalyst has high heat resistance and redox resistance. 5 cl, 12 ex РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (13) 2 559 337 C2 (51) МПК B01J 23/30 (2006.01) C07C 57/05 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ОПИСАНИЕ (21)(22) Заявка: ИЗОБРЕТЕНИЯ К ПАТЕНТУ 2012146975/04, 23.03.2011 (24) Дата начала отсчета срока действия патента: 23.03.2011 (72) Автор(ы): КАТО Такааки (JP), КАДОВАКИ Минору (JP) 13.05.2010 JP 2010-111444; 13.05.2010 JP 2010-111422 R U (73) Патентообладатель(и): АСАХИ КАСЕИ КЕМИКАЛЗ КОРПОРЕЙШН (JP) Приоритет(ы): (30) Конвенционный приоритет: (43) Дата ...

New catalysts and method to produce synthetic gas H2/CO?2 for Fischer-Tropsch process through autothermal reforming of natural gas

본 발명은 자열개질에 의한 천연가스로부터 피셔-트롭쉬 액화공정용 합성가스(H 2 /CO≒2) 제조에 사용되는 개질촉매 및 그 제조방법과 이를 이용한 피셔-트롭쉬 액화공정용 합성가스의 제조방법에 관한 것으로, The present invention relates to a reforming catalyst used for the production of Fischer-Tropsch liquefaction process synthesis gas (H 2 / CO ≒ 2) from natural gas by autothermal reforming, and to a method for producing the same and the synthesis gas for Fischer-Tropsch liquefaction process using the same Regarding the manufacturing method, 그 주된 목적은 주된 반응으로 메탄 또는 천연가스를 부분산화반응하고 부가되는 반응으로 수증기개질반응과 (역)수성가스전이반응{(reverse) water gas shift reaction, (R)WGS}에 의해 수소와 일산화탄소로 전환하면서, 피셔-트롭쉬 공정(Fischer-Tropsch Process)에 적합한 수소와 일산화탄소 비율(H 2 /CO≒2)을 얻는데 필요한 촉매 조성과 반응조건을 제시하는 데 있다. Its main purpose is the partial reaction of methane or natural gas as the main reaction and the addition of hydrogen and carbon monoxide by the steam reforming reaction and the reverse water gas shift reaction. In the process, the catalyst composition and reaction conditions necessary to obtain a hydrogen to carbon monoxide ratio (H 2 / CO 2) suitable for the Fischer-Tropsch process are presented. 본 발명의 구성은 고표면적 알루미나 담체와, 알루미나 담체 100wt% 대비 니켈금속 1~20wt%, 세륨금속 1 ~ 15wt%로 조성된 피셔-트롭쉬 액화공정용 촉매 및 그 제조방법과 이를 이용한 합성가스 제조방법을 그 기술적 사상의 특징으로 한다. The composition of the present invention is a catalyst for the Fischer-Tropsch liquefaction process composed of a high surface area alumina carrier, 1-20 wt% nickel metal and 1-15 wt% cerium metal, compared to 100 wt% of the alumina carrier, and a method for preparing the same and a synthesis gas using the same. The method is characterized by the technical idea. 피셔-트롭쉬 액화공정, 자열개질, 촉매, 합성가스, 고표면적 알루미나 담체, 니켈, 세륨 Fischer-Tropsch liquefaction process, autothermal reforming, catalyst, syngas, high surface area alumina carrier, nickel, cerium

Improved mixed metal oxide ammoxidation catalysts

FIELD: chemistry.SUBSTANCE: invention relates to an improved catalyst for use in ammoxidation of an unsaturated hydrocarbon into an unsaturated nitrile. Described is a catalyst composition containing a complex of metal oxides, wherein relative ratios of said elements in said catalyst are represented by the following formula: MoBiFeADEFGCeRbO, where A is at least one element selected from a group consisting of lithium, sodium, potassium and cesium; and D is at least one element selected from the group consisting of nickel, cobalt, manganese, zinc, magnesium, calcium, strontium, cadmium and barium; E is at least one element selected from the group consisting of chromium, tungsten, boron, aluminium, gallium, indium, phosphorus, arsenic, antimony, vanadium and tellurium; F is at least one element selected from the group consisting of lanthanum, praseodymium, neodymium, samarium, europium, gadolinium, terbium, dysprosium, holmium, erbium, thulium, ytterbium, lutetium, scandium, yttrium, titanium, zirconium, hafnium, niobium, tantalum, aluminium, gallium, indium, thallium, silicon, lead and germanium; G is at least one element selected from the group consisting of silver, gold, ruthenium, rhodium, palladium, osmium, iridium, platinum and mercury; and a, b, c, d, e, f, g, h, m, n and x respectively represent atomic ratios of bismuth (Bi), iron (Fe), A, D, E, F, G, cerium (Ce), rubidium (Rb) and oxygen (O) relative to "m" of molybdenum (Mo) atoms, wherein a is a number greater than 0 but less than or equal to 7, b is 0.1–7, c is a number greater than 0 but less than or equal to 5, d is 0.1–12, e is 0–5, f is 0–5, g is 0–0.2, h is 0.01–5, m is 10–15, n is a number greater than 0 but less than or equal to 5, x is the number of oxygen atoms, required to satisfy valence requirements of other present constituent elements; and wherein 0.3 ≤ (a + h)/d, 1.2 ≤ h/b ≤ 5 and 0 < (n + c)/(a + h) ≤ 0.2.EFFECT: technical result is creation of improved catalyst, high output of ...

Core-shell solid catalyst and process for preparing 1,3-butadiene using the catalyst

본 발명은 코아-쉘 구조를 갖는 고체촉매와, 이 고체촉매 하에서 납사크래킹 공정에서 배출되는 C 4 잔사유-Ⅲ을 산화탈수소화 반응시켜 높은 수율로 1,3-부타디엔을 제조하는 방법에 관한 것이다. The present invention relates to a method for producing 1,3-butadiene with high yield by oxidative dehydrogenation of a solid catalyst having a core-shell structure and C 4 residue oil-III discharged from a naphtha cracking process under the solid catalyst. . 코아-쉘 구조, 고체촉매, 복합산화물, 1,3-부타디엔, C4 잔사유-Ⅲ, 산화탈수소화 반응 Core-shell structure, solid catalyst, composite oxide, 1,3-butadiene, C4 residue oil-III, oxidative dehydrogenation reaction

Vanadium-free catalyst for selective catalytic reduction and method of its production

FIELD: process engineering. SUBSTANCE: invention relates to vanadium-free catalyst for reduction of aluminium oxides by ammonium or compound decomposing thereto. It relates also to activation of homogeneous mixed cerium and zirconium oxides for nitrogen oxide reduction. Proposed catalyst comprises catalytically active coat applied on inner carries body. Note here that said coat consists, partially or completely, of homogeneous mixed cerium and zirconium oxides with cerium amount varying from 10 wt % to 90 wt % per total weight of said mix, activated for reduction by introducing transition metal. Transition metal is selected from the group including chromium, molybdenum and mixes of said transition metals or combinations thereof. EFFECT: high-activity, vanadium-free, cheap and effective reduction catalyst. 19 cl, 9 dwg, 1 tbl, 13 ex РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) 2 452 558 (13) C2 (51) МПК B01D B01J B01J B01J B01J 53/94 23/10 23/24 27/02 37/02 (2006.01) (2006.01) (2006.01) (2006.01) (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ОПИСАНИЕ ИЗОБРЕТЕНИЯ К ПАТЕНТУ (21)(22) Заявка: 2009119358/05, 17.09.2007 (24) Дата начала отсчета срока действия патента: 17.09.2007 (73) Патентообладатель(и): УМИКОРЕ АГ УНД КО.КГ (DE) (43) Дата публикации заявки: 10.06.2011 Бюл. № 16 2 4 5 2 5 5 8 (45) Опубликовано: 10.06.2012 Бюл. № 16 (56) Список документов, цитированных в отчете о поиске: WO 2005/082494 A1, 09.09.2005. WO 2005/099873 A1, 27.10.2005. SU 1834706 A3, 15.08.1993. RU 2278281 C2, 20.06.2006. RU 2279311 C2, 10.07.2006. 2 4 5 2 5 5 8 R U (86) Заявка PCT: EP 2007/008068 (17.09.2007) C 2 C 2 (85) Дата начала рассмотрения заявки PCT на национальной фазе: 25.05.2009 (87) Публикация заявки РСТ: WO 2008/049491 (02.05.2008) Адрес для переписки: 105082, Москва, Спартаковский пер., 2, стр. 1, секция 1, эт.3, "ЕВРОМАРКПАТ" (54) БЕЗВАНАДИЕВЫЙ КАТАЛИЗАТОР ДЛЯ СЕЛЕКТИВНОГО КАТАЛИТИЧЕСКОГО ВОССТАНОВЛЕНИЯ И СПОСОБ ЕГО ПРИГОТОВЛЕНИЯ (57) Реферат: Изобретение относится к ...