Patents for B01J 38 - Regeneration or reactivation of catalysts, in general (7,157)
02/1990
02/28/1990EP0355806A2 Process for the manufacture of mixtures of ether carboxylic acids
02/27/1990US4904824 Chemical process
02/27/1990US4904372 Zones of combustion to carbon monoxide and dioxide
02/14/1990EP0354588A1 Catalytic metal recovery from nonpolar organic solutions
02/14/1990CN1006790B Hydroformylation catalyst removal
02/14/1990CN1006776B Production process of chlorine
02/13/1990US4900520 Process for removal of soluble platinum group metal catalysts from liquid product mixtures
02/07/1990EP0353467A1 Catalysts regeneration process
02/06/1990CA1265502A1 Gas circulation method for moving bed catalyst regeneration zones
01/1990
01/23/1990US4895596 Reduction, precipitation
01/16/1990US4894477 Cationic exchange resin columns
01/16/1990US4893465 Controlling temperature
01/08/1990EP0274479A4 Process for the separation and isolation of shaped catalyst-type particles by length.
01/02/1990US4891346 Redispersal of Ru, Os, Rh and Pd catalysts and processes therewith
12/1989
12/27/1989CN1038297A Catalytic cracking of whole crude oil
12/21/1989DE3819357A1 Process for regenerating a catalyst in a tubular reactor
12/20/1989CN1038034A Method of reactivating catalyst
11/1989
11/29/1989EP0343506A1 Reactivation of spent cracking catalyst
11/28/1989CA1263372A1 Process for treating a strongly acidic cation exchange catalyst
11/28/1989CA1263365A1 Catalyst recovery process
11/23/1989DE3834034A1 Process for the regeneration of arsenic-contaminated sorbents
11/23/1989DE3816600A1 Process for the regeneration of arsenic-contaminated catalysts and sorbents
11/15/1989CN1037096A Activation process of cis-anhydride vanadium-phosphorus-oxygen series catalyst made from the oxidation of n-butane
11/08/1989CN1036948A Method for reactivating group viii noble metal catalyst for use in purification of crude terephthalic acid
11/02/1989WO1989010342A1 Alkylation of benzene in a moving bed
11/02/1989EP0339119A1 Method of reactivating catalyst
10/1989
10/24/1989US4876386 Process for the oxidation of di- or trimethylbenzenes in the presence of cobalt and manganese from oxidation residue incinerator ash
10/18/1989EP0337803A1 Catalyst recycle in the carbonylation of isobutylphenylethanol to ibuprofen
10/04/1989EP0335754A1 Process for the presulfurisation and activity control of a hydrocarbon treatment catalyst
10/04/1989EP0335501A1 Method for reactivating a group VIII noble metal catalyst for use in the purification of crude terephthalic acid
10/03/1989US4871879 Rhodium recovery from hydroformylation reaction product
10/03/1989US4871700 Heat treatment with oxygen and steam
10/03/1989US4871699 Stripping in presence of hydrogen donor
10/03/1989US4871432 Recovery process
09/1989
09/27/1989EP0334665A1 Catalytic cracking of whole crude oil
09/27/1989EP0334562A1 Process for the dispersion of group VIII metals in large pore zeolite catalysts
09/26/1989CA1261774A1 Fluid catalytic cracking method and apparatus
09/26/1989CA1260229A1 Production process of chlorine
09/19/1989US4867901 Calcium catalyst
09/19/1989CA1259471A1 Catalyst recovery process
09/13/1989EP0332536A1 Process and apparatus for regenerating a catalyst in a fluidized bed
09/12/1989CA1259331A1 Process for recovery of phosphorus ligand from vaporized aldehyde
09/05/1989US4863885 Method for increasing the hydrocarbon sorption capacity of a zeolite
09/05/1989US4863884 Method for rejuvenating used catalysts
08/1989
08/30/1989EP0330304A1 Production of aromatic hydrocarbons from alkanes
08/29/1989US4861738 Process for regenerating and stabilizing phosphorus-vanadium-oxygen complex catalysts
08/22/1989US4859643 Regeneration method with reduced catalyst heat exposure
08/22/1989US4859310 Catalytic cracking of whole crude oil
08/22/1989US4859308 Fluidized catalytic cracking
08/08/1989US4855269 Oxychlorination, purging with nitrogen, reducing with dry hydrogen
08/08/1989US4855267 Regeneration of methanol dissociation catalysts
08/02/1989CN1034320A Process and apparatus for regenerating catalyst in fluidized bed
07/1989
07/26/1989EP0325438A2 Two-stage process for converson of alkanes to gasoline
07/26/1989EP0325437A2 Conversion of alkanes to alkylenes in an external catalyst cooler for the regenerator of a FCC unit
07/26/1989EP0325214A1 Process for preparing a vanadium-based, high density, medium-porosity catalyst supported on a siliceous matrix
07/26/1989EP0325213A1 High-density, medium-porosity catalyst supported on a siliceous matrix and based on vanadium, iron, oxygen and alkali metal
07/26/1989EP0221136B1 Catalyst recovery process
07/25/1989US4851374 Combustion with oxygen and reduced emissions of nitrogen oxides, sulfur oxides, and carbon monoxides
07/19/1989EP0324286A1 Improved high efficiency regenerator apparatus
07/18/1989US4849385 Process for dispersing or redispersing a group VIII noble metal species on a porous inorganic support
07/18/1989US4849092 Process for regenerating a hydrocarbon hydroconversion catalyst
07/12/1989CN1033794A Rhodium recovery from hydroformylation reaction product
07/11/1989CA1257243A1 Regeneration of a spent catalyst by means of an aqueous solution of hydrogen peroxyde stabilized by an organic compound
07/05/1989EP0322661A2 Process for the recuperation of rhodium from aqueous solutions containing complex rhodium compounds
06/1989
06/28/1989EP0322274A1 Process and apparatus for the regeneration of a catalyst in a fluidised bed
06/20/1989US4840928 Conversion of alkanes to alkylenes in an external catalyst cooler for the regenerator of a FCC unit
06/20/1989CA1256085A1 Process for purifying and recovering contaminated catalyst solution obtained in the carbonylation of methyl acetate and/or dimethylether
06/14/1989EP0319625A1 Cobalt-ruthenium catalytists for Fischer-Tropsch synthesis
06/13/1989US4839031 Process for performing the separation of extruded materials which may or may not show imperfections
05/1989
05/31/1989EP0318186A1 Procedure for producing poly-alpha-olefin-type lubricant
05/30/1989US4835129 Coke removal by combustion; oxychlorination; chemical reduction of group 8 metal component
05/23/1989US4832921 Combustion of coke deposits from catalysts
05/18/1989DE3820934A1 Verfahren zur herstellung von telomeren von chlortrifluoraethylen und 1,1-dibrom-1-chlortrifluoraethan A process for preparing telomers of chlorotrifluoroethylene and 1,1-dibromo-1-chlortrifluoraethan
05/16/1989US4830997 Process for regenerating used catalysts by means of hydrogen peroxide aqueous solution stabilized with an organic compound
05/09/1989US4829035 Reactivation of a tin oxide-containing catalyst
05/03/1989EP0314434A1 Rhodium recovery from hydroformylation reaction product
05/02/1989US4826792 Method of noble metal-zeolite catalyst activation with Bronsted acid compound
04/1989
04/26/1989CN1003980B Apparatus for transferring particles from one zone to another
04/25/1989US4824814 Catalyst treatment and process for using treated catalyst
04/25/1989US4824656 Method of recovering sulfur from solid catalysts
04/18/1989US4822824 Cobalt-ruthenium catalysts for Fischer-Tropsch synthesis
04/18/1989US4822760 Process of regenerating palladium salt catalysts
04/12/1989EP0311334A1 Process for maintaining high level of yield of acrylonitrile and hydrogen cyanide in ammoxidation of propylene
04/11/1989US4820671 Regeneration of an organouranium catalyst
04/11/1989CA1252453A1 Reactivation of iridium-containing catalysts
04/04/1989CA1251918A1 Process for the removal of h.sub.2s from a sour gaseous stream
03/1989
03/29/1989EP0309244A1 Fluid catalytic cracking regeneration with spent catalyst separator
03/21/1989US4814305 Phosphorus, molybdenum, alkali metal
03/21/1989US4814066 Reactivation of spent catalytic cracking catalyst
03/08/1989EP0306214A1 Novel stannosilicates and preparation and use thereof
03/08/1989EP0306170A1 Process for dispersing or redispersing a group VIII noble metal species on a porous inorganic support
03/07/1989US4810798 Solvent extraction, distillation
03/07/1989US4810683 Combustion of coke in presence of halogen-containing gas
03/01/1989EP0304523A1 Apparatus and method for controlling the temperature in catalyst regeneration
02/1989
02/28/1989US4808751 Washing the hydrogenation catalyst with hot and cold water and concentrated and diluted naoh solutions
02/28/1989CA1250567A1 Regeneration of phosphorus poisoned automotive catalysts
02/22/1989EP0304231A2 Method of separating metals from catalyst material
02/22/1989CN1031247A Process for reduction of refined catalytic before use
02/15/1989EP0303560A1 Method for denitration of exhaust gas containing arsenic compounds by catalysts and method and apparatus for regeneration of catalysts for denitration degraded by arsenic compounds
02/15/1989EP0303525A1 Process for reducing a refining catalyst before its use
1 ... 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72