B01J 38 - Regeneration or reactivation of catalysts, in general

Patents for B01J 38 - Regeneration or reactivation of catalysts, in general (7,157)
11/1997
11/18/1997	US5689005 Reductive deoxygenation using a redox catalyst
11/18/1997	CA2060155C Reconditioning method for a non-acidic catalyst used in a high severity process for dehydrogenation of light hydrocarbons
11/15/1997	CA2204818A1 Process for preparing aldehydes
11/15/1997	CA2204676A1 Process for preparing aldehydes
11/15/1997	CA2204675A1 Catalyst systems based on rhodium complexes containing diphosphine ligands and their use in the preparation of aldehydes
11/13/1997	DE19618971A1 Recovery of copper from residues from the Muller-Rochow process
11/12/1997	EP0806243A1 Method for reactivation of a platinum group metal catalytic system
11/12/1997	EP0806242A1 Process for the regeneration of a catalyst based on trivalent chromium compounds
11/12/1997	EP0806241A1 Process for the regeneration of a catalyst based on trivalent chromium compounds
11/11/1997	US5686648 Continuous process for the isomerization of olefins with regeneration of the catalyst
11/11/1997	US5686369 Iron oxide, alkali metal compound
11/11/1997	US5686049 Heat exchange apparatus for solid particles for double regeneration in catalytic cracking
11/06/1997	CA2204584A1 Process for the regeneration of a catalyst based on trivalent chromium compounds
11/06/1997	CA2204583A1 Process for the regeneration of a catalyst based on trivalent chromium compounds
11/05/1997	EP0804962A1 Process for the production of mixed oxides powders from deactivated catalysts for the reduction of the NOx concentration in a gas stream
11/05/1997	EP0593522B1 Catalyst treatment
11/05/1997	CN1164199A Apparatus and process for activation and reactivation of wet or dry carbon by electrical resistance heating in presence of steam
10/1997
10/29/1997	EP0802825A1 Regeneration of catalyst/absorber
10/29/1997	EP0582680B1 Demetallization of hydrocarbon conversion catalysts
10/29/1997	CN1036249C Process for reactivation of water soluble hydroformylation catalyst
10/29/1997	CN1036248C Process for recovering rhodium from distillationr esidues of products of oxo synthesis
10/28/1997	US5681473 Membrane separation process
10/21/1997	US5679237 Electrolyzing aqueous solution catholyte containing transition metal compound and sulfonated phosphine
10/21/1997	CA2080746C Process for reactivation of water-soluble hydroformylation catalysts
10/16/1997	WO1997037963A1 Method of producing amines and aminonitriles
10/16/1997	DE19614283A1 Verfahren zur Herstellung von Aminen und Aminonitrilen A process for preparing amines and aminonitriles
10/15/1997	EP0801126A2 Regeneration of spent FCC catalyst
10/15/1997	EP0801053A1 Recovery of catalyst components from diarylcarbonate containing reaction solutions by suspension cristallization
10/15/1997	EP0801052A1 Recovery of catalyst components from diarylcarbonate containing reaction mixtures by melt crystallization
10/11/1997	CA2201764A1 Controlled fcc catalyst regeneration using a distributed air system
10/09/1997	WO1997036673A1 Method for separating a catalyst by membrane electrodialysis
10/09/1997	DE19634880A1 Regenerating used hydrogenation catalyst
10/08/1997	EP0799090A1 Aluminosilicate carrier for metathesis catalysts
10/07/1997	US5675048 Dual regeneration zone solid catalyst alkylation process
10/07/1997	US5675029 Cyclic process for activation, use and recovery of phase-transfer catalysts
10/07/1997	US5674797 Treating in hydrogenation reactor with oxidized working solution used in production of hydrogen peroxide while hydrogen feed is discontinued
10/07/1997	US5674796 Solvent extraction of used hydrogenation catalysts, then burning in furnace to remove impurities and acid treatment, burning separated catalyst support in air, mixing with water and precipitating nickel oxide from solution onto support
10/02/1997	DE19612241A1 Disposal of used catalysts for removing exhaust gas
10/02/1997	DE19612240A1 Removal of pollutants, especially nitrogen oxide(s), from exhaust gas
10/01/1997	EP0798043A1 Regeneration of gas phase fluorination catalysts
10/01/1997	CN1160836A Refractory furnace liner in thoroughfare from gasifier to exhaust-heat boiler
09/1997
09/30/1997	US5672801 Concurrent oxychlorination and coke deposit combustion during catalyst regeneration; simplification
09/30/1997	US5672798 Fluidized bed solid catalyst motor fuel alkylation process
09/24/1997	CN1159961A Halogenation catalyst
09/23/1997	CA2007101C Process for the purification and recovery of the contaminated solution of catalyst produced on carbonylation of methanol and/or methyl acetate and/or dimethyl ether
09/18/1997	WO1997033691A1 Process for preparing a large pore hydroprocessing catalyst
09/17/1997	EP0795546A1 N,N-disubstituted formamides as halogenation catalysts
09/16/1997	CA2076157C Catalyst used for producing carbonic acid esters and methods of producing carbonic acid esters using the same
09/12/1997	WO1997032840A1 Process for preparing amines by simultaneous hydroformylation and hydrogenating amination
09/11/1997	DE19630788C1 Amine(s) preparation by hydrogenation, especially of nitrile(s)
09/11/1997	DE19608559A1 Verfahren zur Herstellung von Aminen durch gleichzeitige Hydroformulierung und hydrierende Aminierung A process for preparing amines by simultaneous hydroformylation and amination hydrogenating
09/10/1997	EP0793702A2 Fireproof cladding in the transfer line of a gasifier to the heat recovery boiler
09/03/1997	EP0792256A1 Aldehyde preparation process
09/03/1997	CN1158604A Process for preparing 1,3-alkanediols and 3-hydroxyaldehydes
09/02/1997	US5663446 Catalyst for the simultaneous selective hydrogenation of diolefins and nitriles and method of making same
08/1997
08/20/1997	EP0789682A1 Catalyst recovery and dialkyl ester synthesis from an adipic acid synthesis waste stream
08/20/1997	EP0789679A1 Process for preparing 1,3-alkanediols and 3-hydroxyaldehydes
08/20/1997	CN1157605A Method of recycling catalyst in reaction involving direct oxidation of cyclohexane into adipic acid
08/19/1997	US5659105 Using acidic catalyst of silica having surface hydroxyl groups esterified with fluoroalkylsulfonic acid
08/13/1997	EP0788406A2 VAPOR PHASE CATALYTIC OXIDATION OF n-BUTANE TO MALEIC ANHYDRIDE INCORPORATING IN SITU CATALYST CALCINATION/ACTIVATION
08/13/1997	EP0762937A4 A process for improving the effectiveness of a process catalyst
08/06/1997	EP0660750B1 Process for treating a spent chromium-based fluorination catalyst.
08/05/1997	US5654247 Using a feed mixture having a comparatively low molar ratio of hydrogen to hydrocarbon followed by substantially increasing the ratio for reactivation
07/1997
07/30/1997	EP0659105B1 Regeneration of severely deactivated reforming catalysts
07/24/1997	WO1997026313A1 Catalytically converting a hydrocarbonaceous feed
07/24/1997	CA2241548A1 Catalytically converting a hydrocarbonaceous feed
07/23/1997	CN1154874A Method for regenerating carbonyl cobalt catalyst for prepn. of N-acyl-alphar-amino acid derivative by amide oxonation
07/22/1997	US5650369 Catalysts used for producing carbonic acid esters and methods of producing carbonic acid esters using the same
07/16/1997	EP0783372A1 Apparatus and process for activation and reactivation of wet or dry carbon by electrical resistance heating in the presence of steam
07/15/1997	US5648305 Process for improving the effectiveness of process catalyst
07/10/1997	WO1997024412A1 System for sealing a cyclone leg
07/10/1997	WO1997024182A1 Process for increasing the activity of zeolite containing particulate solids
07/03/1997	WO1997023289A1 Oxidation catalyst system
07/02/1997	EP0781166A1 Membrane separation process
07/01/1997	US5643466 Treatment of liquids
06/1997
06/18/1997	EP0779102A1 Process for the recovery of cobaltcarbonyl catalysts, used in the fabrication of N-acyl-alpha-aminoacid derivatives through amido carbonylation
06/12/1997	WO1997020801A1 Improved metal-ligand complex catalyzed processes
06/12/1997	WO1997020798A1 Improved metal-ligand complex catalyzed processes
06/12/1997	WO1997020797A1 Improved metal-ligand complex catalyzed processes
06/12/1997	WO1997020796A1 Improved metal-ligand complex catalyzed processes
06/12/1997	WO1997020795A1 Processes employing indicator ligands
06/12/1997	WO1997020794A1 Improved metal-ligand complex catalyzed processes
06/12/1997	WO1997020793A1 Processes using multistaged reactors
06/12/1997	WO1997020792A1 Improved metal-ligand complex catalyzed processes
06/12/1997	CA2239606A1 Processes employing indicator ligands
06/12/1997	CA2239594A1 Improved metal-ligand complex catalyzed processes
06/12/1997	CA2239536A1 Improved metal-ligand complex catalyzed processes
06/12/1997	CA2239518A1 Processes using multistaged reactors
06/11/1997	EP0778085A1 Method of activating or regenerating a catalyst used in the production of hydrogen peroxide
06/08/1997	CA2192263A1 Process for recovering cobalt carbonyl catalysts used in the preparation of n-acyl-a-amino acid derivatives by amidocarbonylation
06/03/1997	US5635140 Self-aerating spent catalyst distributor
05/1997
05/28/1997	EP0723599B1 Recovery of palladium catalyst
05/15/1997	WO1997017137A1 Catalyst activation and rejuvenation process
05/15/1997	WO1997010315A3 Fireproof cladding in the transfer line of a gasifier to the heat recovery boiler
05/15/1997	DE19536777C1 Verfahren zur Herstellung eines Hydrierungskatalysators und seine Verwendung A process for preparing a hydrogenation catalyst and its use
05/14/1997	EP0773275A1 Self-aerating spent catalyst distributor
05/14/1997	EP0772581A1 Method of recycling a catalyst in a reaction involving the direct oxidation of cyclohexane into adipic acid
05/13/1997	CA2113672C Reactivation of solid oxidation catalysts
05/09/1997	WO1997016249A1 Method for reactivating ruthenium catalyst
05/07/1997	EP0771881A1 An integrated process for the recovery of metals and fused alumina from spent catalysts

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