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)
08/1984
08/07/1984US4464477 Solvent extraction using water or aqueous aliphatic monocarboxylic acide; settling
08/01/1984EP0114726A2 Reactivation of steam-deactivated catalysts
08/01/1984EP0114171A1 Recovery of catalyst from olefin hydrocyanation and isomerization
07/1984
07/24/1984US4461845 Reactivation of steam-deactivated catalysts
06/1984
06/13/1984EP0110088A1 Process for the regeneration of the Al2O3 support from used Ag/Al2O3 supported catalysts
06/12/1984US4454240 Removal of iron, titanium, calcium, sodium, vanadium and nickel
05/1984
05/30/1984EP0109775A1 Process for regeneration of iron-antimony metallic oxide catalysts
05/30/1984EP0109774A1 Process for regeneration of iron-antimony metallic oxide catalysts
05/29/1984CA1168208A1 Reactivation of vanadium-containing oxidation catalysts
05/23/1984EP0109259A1 Method for production or activation of antimony-containing metal oxide catalysts
05/08/1984US4447558 Process for producing an antimony containing metal oxide catalyst
05/08/1984US4447553 Process for re-activation of solid acid catalyst
05/08/1984US4447551 Pretreatment with halogen compound, then dispersion in elemental halogen and oxygen
04/1984
04/25/1984EP0105980A1 Fluid particle backmixed cooling process and apparatus
04/10/1984US4442304 Process for purifying and recovering contaminated catalyst solution obtained in the carbonylation of methyl acetate and/or dimethylether
04/03/1984US4440570 Process for purifying and recovering contaminated catalyst solution obtained in the carbonylation of methyl acetate and/or dimethylether
03/1984
03/28/1984EP0103845A2 Process for recovering water-soluble rhodium-containing hydroformylation catalysts
03/20/1984CA1163810A1 Process for the removal of vanadium-containing acid from an acid-extracted deactivated demetallization catalyst
03/07/1984EP0101878A2 Combination process for upgrading reduced crude
03/07/1984EP0101765A1 Fluid catalyst regeneration process and apparatus
02/1984
02/28/1984US4434240 Recovery of noble metal values from carbonylation residues
02/22/1984EP0101008A2 Process for enhancing the activity of a used supported silver catalyst
02/15/1984EP0100531A2 A process for the regeneration of particulate matter with oxygen and carbon dioxide
02/08/1984EP0100182A2 Method and apparatus for separating finely divided catalyst particles from a gas stream
01/1984
01/24/1984CA1161019A1 Cracking catalyst restoration with aluminum compounds
01/10/1984US4425255 Regeneration method of catalysts
12/1983
12/27/1983US4423272 Contacting with hydrogen containing gas at elevated temperature and pressure
12/13/1983CA1158630A1 Method of regeneration of an iron phosphate-type catalyst
12/06/1983US4419267 Process for regenerating antimony containing oxide catalyst comprising an aqueous ammonia impregnation
11/1983
11/29/1983US4417972 Recovery of coal liquefaction catalysts
11/29/1983CA1157843A1 Method for recovering and reactivating cobalt- containing catalysts used in reacting olefins with carbon monoxide and alkanols
11/08/1983US4414401 Process for separating and recovering metal catalysts
11/08/1983CA1156643A1 Process for the recovery of catalyst values
11/01/1983US4413118 Process for removal of homogeneous catalyst group VIII metals from process streams
10/1983
10/25/1983US4411818 Treating with a volatile phosporus compound a volatile sulfur compound; phtalic anhydride from o-xylene or naphtnalene
10/18/1983US4410450 Process for producing fluid catalyst having good activity from coarse catalyst
10/18/1983US4410449 Recovery and reuse of heavy-metal oxidation catalyst from the Witten DMT process
10/11/1983US4409122 Catalyst reactivation
10/05/1983EP0090109A1 The recovery of alkali metal catalyst constituents by the use of sulphurous acid in a coal conversion process
09/1983
09/13/1983US4404095 Stripping catalysts, then passing cracked mineral oil vapors to cyclone separator through restricted passage ways
09/13/1983US4404094 Pretreatment of catalyst with hydrogen
09/13/1983CA1153744A1 Cracking catalysts with tin compounds
08/1983
08/30/1983CA1152973A1 Process for improving the activity of supported silver catalysts
08/23/1983US4400300 Method for recovering and reactivating cobalt catalysts used in the reaction of olefins with carbon monoxide and alkanols
08/23/1983CA1152481A1 Method of recovering in activated form the catalyst for the terephthalic acid synthesis
08/17/1983EP0086100A1 Method to extend life of iron oxide-containing catalysts using low levels of oxygen
08/16/1983US4399051 Combustion, ammoniation, chlorination
08/16/1983CA1152099A1 Bf.sub.3 complex catalyst recovery
08/16/1983CA1152052A1 Flue gas pollutants control in particulate catalyst regeneration
08/10/1983EP0085234A1 Catalytic process for light olefin production and process for catalyst regeneration
08/09/1983CA1151578A1 Continuous catalyst unloading device
08/03/1983EP0084706A1 Activation process for fluid bed oxidation catalysts useful in the preparation of maleic anhydride
08/02/1983US4396551 Hydroformylation catalysts
07/1983
07/19/1983US4394290 Regeneration of supported catalysts containing palladium and/or platinum and tellurium
07/05/1983US4391735 Cleaning and regenerating ethylene oxide catalysts
06/1983
06/21/1983CA1148524A1 Rejuvenation of alkylation catalyst
06/21/1983CA1148523A1 Process for reducing co and so.sub.x emissions from catalytic cracking units
06/14/1983CA1148135A1 Cracking catalysts
06/07/1983US4387224 Melamine quality by reactivation of the melamine synthesis catalyst
06/07/1983US4387056 Precipitation with hydrocarbon, halohydrocarbon or nitrile
05/1983
05/24/1983US4385007 Preparation of zerovalent nickel complexes
05/11/1983EP0078700A2 The recovery of coal liquefaction catalysts
05/03/1983CA1145739A1 Method for obtaining and reusing of oxidation catalyst in the written dmt process
04/1983
04/26/1983US4381221 Process for recovering a reaction product while preventing decomposition of the catalyst
04/19/1983CA1144912A1 Preparation and regeneration of supported catalysts, and the use of these catalysts for the preparation of ethylene oxide
04/12/1983US4379756 Reactivation of supported catalysts which contain palladium, copper and tellurium
04/06/1983EP0075819A2 Process for improving melamine quality by reactivating the catalysts used in the melamine synthesis
04/06/1983EP0075730A1 Process for the recovery of iodine values from gaseous effluents derived from carbonylation reactions
03/1983
03/23/1983EP0074912A1 Process for the separation of palladium from the carbonylation products of conjugated dienes in the presence of palladium
03/22/1983US4377469 Maintaining catalytic activity of sodium aluminosilicates
03/16/1983EP0073922A2 Process for the purification and recovery of the impure catalyst solution obtained in the carbonylation of methyl acetate and/or dimethyl ether
03/15/1983US4376718 Process for activating or reactivating ethylene oxide silver substrate catalysts
03/15/1983US4376696 Addition of MgCl2 to catalyst for cracking carbo-metallic feed oils
03/09/1983EP0073342A2 Process for the purification and recovery of the impure catalyst solution obtained in the carbonylation of methyl acetate and/or dimethyl ether
03/09/1983EP0073341A2 Process for the purification and recovery of the impure catalyst solution obtained in the carbonylation of methyl acetate and/or dimethyl ether
02/1983
02/22/1983US4374750 Fluid catalyst regeneration process and apparatus
02/09/1983EP0071397A2 Process for regenerating coked noble metal-containing catalysts
02/09/1983EP0071137A2 Process for the regeneration of catalysts
02/08/1983US4372875 Method for obtaining and reusing of oxidation catalyst in the Witten DMT process
01/1983
01/18/1983CA1139730A1 Fluid catalyst regeneration process and apparatus
12/1982
12/21/1982CA1137963A1 Process for stabilizing and regenerating the catalyst of propene hydroformylation
12/14/1982US4363764 Hydroformylation catalysts
12/07/1982CA1137064A1 Method for activating or reactivating silver-carrier-catalysts
12/07/1982CA1137006A1 Cyclic regenerative catalytic cracking process
11/1982
11/30/1982US4361495 Regeneration of supported-nickel catalysts
11/24/1982EP0064989A1 Process for the recovery of rhodium catalyst.
11/16/1982US4359401 By oxidation followed by hydrogenation
11/16/1982US4359400 Contacting the reduced hydrogenation catalyst with hydrogen chloride
11/16/1982CA1135716A1 Process for separating cobalt component from hydroesterification reaction mixture
11/09/1982US4358395 Hydrogen regeneration of coke-selectivated crystalline aluminosilicate catalyst
11/03/1982EP0063901A1 Fluid catalytic cracking process and apparatus
10/1982
10/26/1982US4356319 Method of recovering in active form the catalyst for the terephthalic acid synthesis
10/19/1982US4354925 Regenerating noble metal catalysts
10/12/1982CA1133519A1 Catalytic processes
10/12/1982CA1133514A1 Dual demetalling of oxo products with catalyst recycle
09/1982
09/29/1982EP0061042A1 Regeneration of supported nickel catalysts
09/29/1982EP0061018A1 Reactivation process for oxidation catalysts that contain vanadium
09/28/1982US4351820 Regeneration of chemical reconversion catalysts used in a cyclic process for the production of hydrogen peroxide and apparatus therefor
09/08/1982EP0059616A1 Removal of metal catalysts from process streams
08/1982
08/25/1982EP0058473A1 Preparation of soluble molybdenum catalysts for epoxidation of olefins
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