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4491637 |
Cobalt-containing supported catalysts and their preparation
Supported catalysts containing from 2 to 30% by weight, calculated as cobalt, of cobalt in oxidic form on a zeolite carrier, and their preparation.
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4482752 |
Organic compound conversion
Organic compound conversion in the presence of a new class of heterogeneous catalyst is provided. Said new class of heterogeneous catalyst comprises a substrate having a minimum surface area of...
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4474618 |
Overnight cloud and color in lube dewaxing using platinum zeolite catalyst
A highly dispersed platinum ZSM-5 catalyst used in hydrodewaxing lube stock yields a product with improved overnight cloud performance and lighter ASTM color.
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4460698 |
Hydrocarbon conversion catalyst
Hydrocarbon conversion catalyst comprising an active metallic component comprising at least one metal having hydrocarbon conversion activity and at least one oxygenated phosphorus component, and a...
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4458025 |
Method of zeolitic catalyst manufacture
A method of making a new catalyst is disclosed which is useful for dehydrocyclizing alkanes. In this method, a non-acidic alumina sol is mulled with a zeolite to form a mixture, then the mixture is...
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4456693 |
Hydrocracking catalyst
A stable, highly active hydrocracking catalyst which contains a rare earth/noble metal exchanged ultrastable type Y zeolite dispersed in an inorganic oxide matrix. The catalyst is hydrated to a...
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4453952 |
Oxygen absorbent and process for the separation of oxygen and nitrogen using the same
Oxygen adsorbent for adsorbing oxygen from a mixed gas containing oxygen which comprises Na-A type zeolite containing iron with a valence of at least 2 or Na-A type zeolite in which a portion of Na...
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4447555 |
Hydrocracking catalysts
The activity and deactivation rate of hydrocracking catalysts are improved by making them via a particular production sequence.
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4443552 |
Catalysts for the catalytic cracking of heavy oil
The invention provides catalysts for the catalytic cracking of heavy oil, comprising an iron-containing crystalline aluminosilicate zeolite. This crystalline aluminosilicate zeolite is obtained by...
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4427577 |
Composite zeolite
Catalyst compositions comprising a core of silica with an overlying modified-silica zeolite, preferably containing aluminium, gallium or boron, show improved catalytic activity. The composites are...
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4416765 |
Catalytic cracking
Octane and overall product quality improvement in catalytic cracking processes utilizing an essentially entirely amorphous cracking catalyst can be attained by using instead a catalyst comprising a...
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4405503 |
Production of zeolite agglomerates
Strengthened zeolite molecular sieve agglomerates are prepared by treating the agglomerates with an aqueous solution of a water soluble silicon compound and subsequently with an aqueous solution of...
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4354963 |
Conversion of synthesis gas with iron-containing catalyst
A single particle catalyst composition prepared by forming a homogeneous mixture containing iron, a hydrogel matrix and a crystalline acidic aluminosilicate zeolite having a silica-to-alumina ratio...
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4350615 |
Catalytic cracking with reduced emission of noxious gas
Small amounts of a promoter comprising palladium and ruthenium enhance the combustion of carbon monoxide within the regeneration zone of a catalytic cracking unit without simultaneously causing the...
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4347164 |
Mono- and poly-metallic supported catalysts
A zeolite containing catalyst which is associated with finely dispersed metal is formed by decomposing a compound, whose anion contains a metal and a (CN) radical, which has been deposited on the...
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4341660 |
Catalytic cracking catalyst
An improved fluid catalytic cracking process comprises a method for the regeneration of the fluidizable hydrocarbon conversion catalyst, particularly of the molecular sieve type, which has been...
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4326993 |
Novel cracking catalysts and catalyst supports
Cracking catalysts or catalyst supports prepared from mixtures comprising colloidal alumina, colloidal silica, a particulate weighting agent, and/or an active catalytic component possess excellent...
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4325808 |
Hydrocarbon conversion catalyst system and method
A hydrocarbon conversion catalyst system comprising a mixture of a first catalyst containing a noble metal component deposed on a refractory inorganic oxide and a second catalyst containing a...
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4324698 |
Fluorided cracking catalyst
An improved zeolite-containing cracking catalyst prepared by treating a zeolite-containing cracking catalyst with an aqueous solution containing a fluorine compound, drying and calcining the...
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4324697 |
Fluorided composite catalyst
An improved cracking catalyst prepared by treating a metallic reforming catalyst with an aqueous solution containing a fluorine compound, drying and calcining the fluorided catalyst, and then...
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4309277 |
Conversion of hydrocarbons with a catalyst comprising an alumina-zeolite, a group VI-B metallic component and a group VIII metallic component
Hydrocarbons are converted with a catalyst comprising an alumina-zeolite support, a Group VIII metallic component and a Group VI-B metallic component. Key features of the process are the...
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4297244 |
Catalyst and process for conversion of hydrocarbons
An improved process for converting hydrocarbons using a catalyst which is periodically regenerated to remove carbonaceous deposits. The catalyst being comprised of a mixture containing, as a major...
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4290919 |
Cracking catalysts passivated by tungsten
Metals such as nickel, vanadium and iron contaminating a cracking catalyst are passivated by contacting the cracking catalyst under elevated temperature conditions with tungsten and compounds of...
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4277373 |
Alumina-aluminum fluorophosphate-containing catalysts
A catalyst is provided which comprises an ultrastable Y-type crystalline aluminosilicate zeolite, an alumina-aluminum fluorophosphate and a hydrogenation component. Hydrocarbon hydroprocessing...
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4272409 |
Aluminosilicate sols and powders
An amorphous aluminosilicate sol with uniform size particles and a porous amorphous aluminosilicate powder composition useful as a catalyst in petroleum cracking is prepared by a process comprising...
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4263172 |
Cracking catalysts
Prevention of detrimental effects of metals such as nickel, vanadium and iron on the activity of cracking catalysts is achieved by contacting the cracking catalyst with manganese selenide. The...
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4255288 |
Zirconia-containing catalysts
A catalyst comprising an ultrastable Y-type crystalline aluminosilicate zeolite, alumina, zirconia and a hydrogenation component is prepared by specified methods. The catalysts are suitable as...
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4252688 |
Manufacture of bifunctional catalysts for the conversion of hydrocarbons
A process for the manufacture of a bifunctional catalyst for the conversion of hydrocarbons, which contains a crystalline aluminosilicate of the type of the Y-zeolites as the acidic component and a...
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4243557 |
Sulfur transfer cracking catalyst
An improved catalyst, and process utilizing said catalyst for catalytically cracking a sulfur-containing hydrocarbon feed, and for the fixation of sulfur by the catalyst and transfer thereof from...
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4212727 |
Process for the simultaneous production of a high octane motor fuel and isobutane
A process for the simultaneous production of high octane motor fuel and isobutane. The process is effected with a physical mixture of compatible reforming catalyst and hydrocracking catalyst.
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4209384 |
Hydrocarbon hydroprocessing
A hydroprocessing catalyst of an alumina-mordenite carrier material and a platinum component. The catalyst is prepared by incorporating the platinum component with a solution having a pH greater...
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4207250 |
Conversion of synthesis gas with iron-containing fluid catalyst
A method is disclosed for the conversion of synthesis gas to a liquid hydrocarbon product having a boiling range of less than 400° F. at a 90% overhead and containing approximately 5-25% of an...
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4207208 |
Method for regeneration and activity improvement of syngas conversion catalyst
A method is disclosed for the treatment of single particle iron-containing syngas (synthes.s gas) conversion catalysts comprising iron, a crystalline acidic aluminosilicate zeolite having a silica...
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4207248 |
Conversion of synthesis gas with cobalt-containing fluid catalyst
A method is disclosed for the conversion of synthesis gas to a liquid hydrocarbon product having a boiling point range maximum of less than 400° F. at a 90% overhead and being a predominantly...
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4192773 |
Oxygen absorbent
An oxygen absorbent comprising (a) metal halide-coated metal powder having at least one metal halide coated on the surface of at least one metal powder, the amount of metal halide coated being in...
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4191632 |
Process for the production of benzene from hydrocarbon fractions rich in alkyl-aromatic hydrocarbons and containing paraffinic and naphthenic hydrocarbons
A process for producing benzene is provided which comprises the steps of subjecting a charge rich in alkylaromatic hydrocarbons and containing 2-20% by weight paraffinic and/or naphthenic...
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4180482 |
Self-cleaning catalytic coating
A coating formed on a surface of an article, which is heated during use as typified by a cooking device, to accomplish catalytic oxidation decomposition of oil and grease spattered thereon. The...
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4179407 |
Catalyst bed for use in decomposition of ammonia gas
Catalyst bed for use in decomposition of ammonia gas, which comprises a mixture of catalysts for use in decomposition of ammonia gas and granules of catalytically inert substances.
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4175059 |
Method of preparing a novel platelet-type crystalline form of synthetic faujasite
A process for preparing a synthetic faujasite having a novel platelet-type crystalline shape and a silica to alumina ratio above 2.2 by adding potassium ions to a seeded faujasite synthesis slurry...
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4171286 |
Catalytic cracking
A novel particulate material for promoting combustion of carbon monoxide to carbon dioxide in the regeneration zone of a cyclic fluid cracking process without substantially affecting the ability of...
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4152363 |
Vapor phase isomerization of methyl-substituted aromatic hydrocarbons improved by using highly diluted zeolite catalyst
An improved vapor phase process is provided for isomerization of monocyclic methyl-substituted aromatic hydrocarbons. The process involves contacting said aromatic hydrocarbons with a catalyst...
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4151121 |
Hydrocarbon conversion catalyst containing a co-oxidation promoter
A cracking catalyst for promoting the oxidation of carbon monoxide to carbon dioxide during regeneration of the catalyst by the burning of coke therefrom, which comprises a crystalline...
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4141817 |
Hydrocarbon conversion processes utilizing a catalyst comprising a Group VIII noble metal component supported on Group IIA metal oxide-refractory metal oxide supports
The instant invention relates to a novel catalyst which comprises a physical mixture of (1) at least one catalytically active transition metal selected from Group VIII of the Periodic Table of the...
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4140654 |
Catalyst composition with support comprising titanium oxide and clay mineral for vapor phase reduction of nitrogen oxides
A catalyst composition for the vapor phase reduction of nitrogen oxides with ammonia, which consists essentially of a non-noble transition metal compound supported on a shaped carrier comprising a...
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4138326 |
Hydrotreating process and catalyst
A catalyst comprising (1) a subgroup of a certain class of nickel and/or cobalt-substituted semicrystalline aluminosilicates which are synthetic and which are predominantly ordered in two...
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4134856 |
Catalyst for hydro-refining hydrocarbon oils
A hydro-refining catalyst comprising at least one hydrogenation metal component supported on an alumina or alumina-containing carrier containing from about 5 to about 25 wt. % silica, said catalyst...
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4128591 |
Alkyl aromatic isomerization
Disclosure is made of an improved catalyst and process for producing a near equilibrium mixture of xylenes from a feedstream comprising ethylbenzene and mixed xylenes. The catalyst combines a...
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4124487 |
Process for reforming and dewaxing by selective hydrocracking of hydrocarbon fractions
The process for selective hydrocracking of hydrocarbon fractions consists in that hydrocarbon fractions are contacted with hydrogen at a respective molar ratio of 1:2.5-20, a temperature of 280° -...
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4121996 |
Hydrocracking process for the production of LPG
Hydrocarbons are converted with a catalyst comprising a Group VIII metal component combined with an extruded support containing alumina and mordenite. Key feature of the process involves the...
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4120825 |
Hydrogenative conversion catalyst
Hydrocarbon conversion methods employing unique catalyst compositions exhibiting improved conversion characteristics particularly as regards denitrogenation and/or cracking selectivity to...
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