Patents
Sitemap › B01 - Physical or chemical processes or apparatus in general › B01J - Chemical or physical processes, e.g. catalysis, colloid chemistry; Their relevant apparatus › B01J 38 - Regeneration or reactivation of catalysts, in general
Patents for B01J 38 - Regeneration or reactivation of catalysts, in general (7,157)
10/1991
10/08/1991CA1290350C Hydroformylation catalyst removal
10/08/1991CA1290310C Catalyst demetallization and process for using demetallized catalyst
10/07/1991CA2039907A1 Attrition resistant catalytic system and application to the saturated carboxylic acid oxydehydrogenation, particularly in entrained bed reactors
10/02/1991CN1014153B Process for thermal cracking of heavy oil
10/01/1991US5053371 Catalyst regeneration method with three-zone combustion gas addition
09/1991
09/25/1991EP0448366A1 Method for pretreating a reforming catalyst
09/24/1991US5051384 Method for pretreating a reforming catalyst
09/23/1991CA2038684A1 Method for pretreating a reformong catalyst
09/19/1991WO1991013682A1 Apparatus and method for regenerating deactivated zeolite reforming catalysts
09/18/1991EP0446481A1 Reduced and stabilized hydrogenation catalyst
09/10/1991US5047587 Process for purifying oxalic acid diamide
09/10/1991US5047377 Process for the purification and recovery of the contaminated solution of the catalyst produced on carbonylation of methanol and/or methyl acetate and/or dimethyl ether
08/1991
08/27/1991US5043518 Process for regenerating a catalyst and resultant regenerated catalyst and production of olefins by catalytic ether decomposition using regenerated catalyst
08/27/1991US5043517 Upgrading light olefin fuel gas in a fluidized bed catalyst reactor and regeneration of the catalyst
08/22/1991WO1991012298A1 Addition of magnetic moieties in fluid bed hydrocarbon processing
08/22/1991WO1991009671A3 Water regeneration of deactivated catalyst
08/21/1991EP0294448B1 A process for regenerating a monofunctional large-pore zeolite catalyst having high selectivity for paraffin dehydrocyclization
08/14/1991EP0441111A1 Particulate material
08/13/1991US5039639 Process for converting spent butane isomerization catalysts to pentane isomerization catalysts
08/13/1991US5039638 Conversion of spent butane isomerization catalysts to pentane isomerization catalysts
08/08/1991CA2035631A1 Particulate material
08/06/1991US5037785 Catalyst regeneration process using laser radiation
07/1991
07/23/1991US5034117 Process for regenerating a catalyst for the production of aromatic hydrocarbons or for reforming
07/17/1991EP0437270A1 Transfer of catalyst
07/16/1991US5032565 Process for reducing a refining catalyst before use
07/11/1991WO1991009671A2 Water regeneration of deactivated catalyst
07/09/1991US5030757 Phase transfer catalyst recovery
07/03/1991CN1052688A Fluidized bed catalyst two-stage oxidizing regenerative method
06/1991
06/25/1991US5026474 Process for the fixed-bed sweetening of petroleum fractions
06/19/1991EP0432909A2 Chromium oxide catalyst regeneration method
06/19/1991EP0432224A1 Treatment of arsine removal catalysts.
06/19/1991CN1052263A Reclaiming and reusing of waste hydrocarbon steam inversion catalyst
06/12/1991EP0432125A1 Recovery of cobalt catalyst values
06/05/1991WO1991008050A1 Oxidative secondary rhodium recovery process
06/04/1991US5021377 Demetallization and passivation of spent cracking catalysts
06/04/1991US5021223 Transfer of catalyst
05/1991
05/30/1991WO1991007372A1 Process for the recovery of catalyst values
05/30/1991WO1991007227A1 Catalyst regeneration process
05/15/1991EP0427451A1 Catalytic cracking process using cross-flow regenerator
05/15/1991EP0427450A1 Catalytic cracking process and apparatus with improved catalyst flow in swirl regenerators
05/14/1991US5015788 Process for the hydrogenation of acetylenic alcohols
05/14/1991US5015611 Water regeneration of deactivated catalyst
05/08/1991EP0426400A1 Upgrading light olefin fuel gas in a fluidized bed catalyst reactor and regeneration of the catalyst
05/08/1991CN1051130A Regeneration or activation of noble metal catalyst using fluorohalocarbons or fluorohalohydrocarbons
05/07/1991CA2029056A1 Catalytic cracking process using cross-flow regenerator
05/07/1991CA2029055A1 Catalytic cracking process and apparatus with improved catalyst flow in swirl regenerators
05/02/1991EP0424736A1 Process for the recuperation of rhodium from residues of the destillation of products from oxosynthesis
04/1991
04/30/1991US5011592 Stripping, coke combustion, denitrification, desulfurization, separation from effluents
04/17/1991EP0422991A1 Hydrocarbon feed catalytic conversion process
04/17/1991EP0422636A1 Treatment of spent cracking catalysts
04/12/1991CA2014074A1 Treatment of spent cracking catalysts
04/10/1991EP0421506A1 Apparatus for gas distribution
04/09/1991CA1282793C Preparation process of cinnamate ester
04/03/1991CN1050402A Combined technology for removing metals from catalytic cracking catalyst and passivation
04/03/1991CN1050401A Process for recovering catalytic cracking catalyst by removing metals
04/02/1991US5004827 Catalytic vapor phase process for producing dihydrocarbyl carbonates
04/02/1991US5004717 Oxidizing aged catalyst, contacting with an inert gas, cooling and reducing copper oxides in aged catalyst
03/1991
03/26/1991WO1991004097A1 Regeneration or activation of noble metal catalysts using fluorohalocarbons or fluorohalohydrocarbons
03/26/1991US5002914 Process for purifying and recovering the contaminated catalyst solution arising in the carbonylation of methanol and/or methyl acetate and/or dimethyl ether
03/26/1991CA2067113A1 Regeneration or activation of noble metal catalysts using fluorohalocarbons or fluorohalohydrocarbons
03/20/1991CA2025513A1 Apparatus for gas distribution
03/19/1991US5001095 Method and apparatus for controlling moisture by flue gas segregation
03/19/1991US5001094 Hydrocarbon conversion process including acidic zeolite reactivation
03/13/1991EP0416744A2 Recovery of tertiary butyl hydroperoxide and tertiary butyl alcohol
03/13/1991EP0416415A1 Process for upgrading of antimony halide catalyst solutions
03/12/1991US4999326 Dehydrogenation Catalyst; Contacting with an Organic Polar Solvent, i.e. Methanol, Acetone
03/05/1991US4997799 Process for regenerating spent heavy hydrocarbon hydroprocessing catalyst
02/1991
02/27/1991EP0413857A1 Catalyst regeneration with reduced thermal damage
02/27/1991EP0413717A1 Alkylation of benzene in a moving bed.
02/26/1991US4996384 Regeneration of reduced metal oxide oligomerization catalyst
02/26/1991CA1280710C Process for thermal cracking of heavy oil
02/19/1991US4994598 Oxidative conversion of organic compounds
02/19/1991US4994424 Catalytic cracking process with improved flow in swirl regenerator
02/19/1991US4994423 Process for regenerating spent heavy hydrocarbon hydroprocessing catalyst
02/19/1991CA1280400C Process for purifying and recovering catalyst solution contaminated during the carbonylation of methyl acetate and/or dimethylether
02/12/1991US4992566 Recovery of tertiary butyl hydroperoxide and tertiary butyl alcohol
02/07/1991WO1991001358A1 Apparatus and method for regenerating coked fluid cracking catalyst
02/06/1991EP0202327B1 Recovering vanadium values from ammonium bicarbonate solution using heat, sulfuric acid, and ammonium sulfate
02/05/1991US4990639 Oxidation of rhodium complex to water insoluble carboxylic acid salt; solvent extraction
02/01/1991WO1991001804A1 Process for regenerating a catalyst and resultant regenerated catalyst and production of olefins by catalytic ether decomposition using regenerated catalyst
02/01/1991CA2064040A1 Process for regenerating a catalyst and resultant regenerated catalyst and production of olefins by catalytic ether decomposition using regenerated catalyst
01/1991
01/23/1991EP0409680A1 Pretreatment process of a refining catalyst
01/23/1991EP0408927A1 Reactivation of metal-contaminated cracking catalysts
01/18/1991CA2021324A1 Process for the pretreatment of a refining catalyst
01/15/1991US4985383 Process for removing metallic corrosion products from a contaminated catalyst solution produced on carbonylation of methanol and/or methyl acetate and/or dimethyl ether
01/09/1991EP0407256A1 Process for obtaining nucleophilic substitutions
01/08/1991US4983557 Process for preparing a high-density and middle-porosity catalyst, supported on a siliceous matrix, based on vanadium
01/02/1991CN1048174A Recovery activating method of aluminium trichloride complex catalyst
01/01/1991US4982038 Oxidative methylation of organic compounds
01/01/1991US4981575 Catalyst regeneration
12/1990
12/27/1990WO1990014312A3 Process and apparatus for the purification of contaminated water by activated ozone
12/27/1990EP0404379A1 Method for recovering solid molybdenum compounds
12/27/1990EP0404176A2 Treatment of spent cracking catalysts
12/25/1990US4980327 Reduced and stabilized hydrogenation catalysts
12/25/1990US4980325 Method of controlling moisture in combustion section of moving bed regeneration process
12/25/1990US4980324 Simplification, low temperature
12/25/1990US4980048 Catalytic cracking process using cross-flow regenerator
12/22/1990CA2019495A1 Palladium-based catalyst and its use
12/22/1990CA2015388A1 Treatment of spent cracking catalysts
12/22/1990CA2015297A1 Reactivation of metal-contaminated cracking catalysts
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