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)
10/1999
10/20/1999EP0949967A2 Process for zeolitic catalyst reactivation
10/20/1999EP0949966A1 Method for treating a catalyst having an active sulphurous phase and contaminated by a mercury compound
10/20/1999EP0871787B1 Electrochemical processing method for catalyst substrates containing noble metals for the recovery thereof
10/20/1999EP0705238B1 Regeneration and stabilization of dehydrogenation catalyst
10/20/1999CN1232043A Method for removing large amount of organic impurities from titanium tetrachloride
10/19/1999CA2175327C Regeneration of catalyst for the simultaneous selective hydrogenation of diolefins and nitriles
10/14/1999WO1999051336A1 Methods for enhancing the acid sites of fcc catalysts
10/14/1999DE19915590A1 Activation of catalyst containing group VIII metal for isomerization of 8 carbon aromatic compounds
10/14/1999CA2327622A1 Methods for enhancing the acid sites of fcc catalysts
10/13/1999EP0949341A1 Process for recovering rhodium catalyst from acetic acid production liquids containing tar
10/13/1999EP0948403A1 Heterogeneous catalyst regeneration
10/12/1999US5965473 Contacting hydrocarbons with hydrocarbon conversion catalyst; regenerating catalyst containing chloride and removing chloride from catalyst; sorbing chloro-species; periodically shifting functions of catalyst beds
10/12/1999US5965472 Recovery of catalyst systems from diaryl carbonate-containing reaction solutions by suspension crystallization
10/12/1999CA2028945C Upgrading light olefin fuel gas in a fluidized bed catalyst reactor and regeneration of the catalyst
10/07/1999WO1999049972A1 Process for activating an epoxidation catalyst
10/06/1999EP0946300A1 Production of aromatic carboxylic acids and recovery of co/mn cattalyst from ash
10/06/1999EP0946298A1 Process for recovering cobalt carbonyl catalysts used to produce n-acyl-apha-aminoacid derivatives by amidocarbonylation
10/06/1999EP0946288A1 Stable dispersions of metal passivation agents and methods for making them
10/06/1999EP0788406B1 VAPOR PHASE CATALYTIC OXIDATION OF n-BUTANE TO MALEIC ANHYDRIDE INCORPORATING IN SITU CATALYST CALCINATION/ACTIVATION
10/06/1999CN1230941A Bubble-column reactor with draft-tube and process for regeneration of catalyst contained therein
10/06/1999CN1230467A In-situ regeneration process of Fisher-Tropsch synthesis catalyst
10/05/1999US5961870 Microwave rotating apparatus for continuously processing material
09/1999
09/29/1999EP0650395B1 Low temperature regeneration of coke deactivated reforming catalysts
09/28/1999US5958986 Slurry hydrocarbon synthesis process with catalyst rejuvenation in external lift pipe (law544)
09/28/1999US5958816 Method of presulfiding and passivating a hydrocarbon conversion catalyst
09/28/1999US5958219 Metals passivation by magnetic treatment to permit higher metals levels on FCC catalyst
09/22/1999EP0942897A1 Process for the production of acetic acid
09/21/1999US5955394 Oxidation of alkyl aromatics to form carboxylic acids using cobalt, manganese and hydrobromic acid, filtration and elution
09/21/1999US5953911 Regeneration of catalyst/absorber
09/15/1999EP0941211A1 Process for alkylating hydrocarbons
09/15/1999EP0772581B1 Method of recycling a catalyst in a reaction involving the direct oxidation of cyclohexane into adipic acid
09/07/1999US5948942 Bimetallic catalyst for the simultaneous selective hydrogenation of diolefins and nitriles and method of making same
09/01/1999EP0910472B1 Method of cleaning and/or regenerating wholly or partially de-activated catalysts for stack-gas nitrogen scrubbing
08/1999
08/25/1999EP0937107A1 Process for producing polyethylene of very high molecular weight and method for activating the catalyst support
08/25/1999CN1226885A Process for producing amines and amino nitriles
08/25/1999CN1226461A Improvement of performance of used molybdenum based catalysts by addition of ammonium dimolybdate
08/24/1999US5942458 Regeneration of spent As-poisoned lead catalysts
08/24/1999US5942457 Process for regenerating spent clay
08/24/1999US5942201 Producing a catalyst constituting sintered titanium dioxide particles as a by-product via a chloride proces activating the catalyst with an alkaline solution
08/18/1999EP0936219A1 Process and Reactor for the preparation of an Epoxide
08/18/1999CN1225854A Process for regenerating catalyst and absorbents
08/12/1999WO1999040299A1 Regeneration of catalyst/absorber
08/12/1999WO1999039827A1 Method for regenerating supported catalysts covered with gold particles and used for oxidising unsaturated hydrocarbons
08/12/1999DE19804711A1 Verfahren zur Regenerierung von mit Goldteilchen belegten Trägerkatalysatoren für die Oxidation ungesättigter Kohlenwasserstoffe Process for the regeneration of supported catalysts coated with gold particles for the oxidation of unsaturated hydrocarbons
08/12/1999CA2319612A1 Method for regenerating supported catalysts covered with gold particles and used for oxidising unsaturated hydrocarbons
08/11/1999EP0934243A2 Removal of permanganate reducing compounds and alkyl iodides from a carbonylation process stream
08/11/1999EP0934116A1 Method for regenerating titanium silicalite catalysts
08/11/1999EP0792256B1 Aldehyde preparation process
08/10/1999US5935890 Stable dispersions of metal passivation agents and methods for making them
08/04/1999EP0933333A1 Use of a supported catalyst
08/04/1999EP0789682B1 Catalyst recovery and dialkyl ester synthesis from an adipic acid synthesis waste stream
08/03/1999US5932184 Digesting with aqueous naoh; mole ratio of waer sufficient to dissolve the produced sodium tungstate
08/03/1999CA2028299C Catalyst regeneration process
07/1999
07/29/1999WO1999016543A8 Endothermic process
07/28/1999CN1223904A Process for regeneration of catalyst for hydrocarbon conversion
07/27/1999US5929260 Hydrogenation using magnetic catalysts
07/21/1999EP0853653A4 Fcc no x? reduction by turbulent/laminar thermal conversion
07/21/1999CN1223600A Method for filtering a three-phased reaction mixture
07/20/1999CA2156464C Reduction of emissions from fcc regenerators
07/20/1999CA2143127C Method for regenerating a hydrogenation catalyst
07/14/1999CN1044095C Process for regeneration of fluorination catalyst
07/13/1999US5922634 Hydroformylation catalyst
07/08/1999WO1999033748A1 Method and catalyst for direct sulphur oxidation of h2s contained in a gas
07/08/1999WO1999033561A1 Method for regenerating a hydrogenation catalyst, method for hydrogenating compounds comprising nitrile functions
07/07/1999EP0927076A1 Method for renewed activation of honeycomb-shaped catalyst elements for denitrating flue gases
07/07/1999EP0674545B1 Temperature control in draft tubes for catalyst rejuvenation
07/07/1999EP0674544B1 Method for catalyst rejuvenation and distribution employing a draft tube
07/06/1999US5919721 Microfiltration of zeolites
06/1999
06/30/1999EP0925106A1 Method for filtering a three-phased reaction mixture
06/29/1999US5916835 Heterogeneous catalyst regeneration
06/23/1999EP0923413A2 Bubble-column reactor with draft-tube and process for the regeneration of the catalyst contained therein
06/23/1999EP0802825A4 Regeneration of catalyst/absorber
06/23/1999CN1220652A Improved metal-ligand complex catalyzed process
06/16/1999EP0922494A1 Regeneration process of catalysts and adsorbants
06/16/1999EP0922493A1 Regeneration process of a catalyst used for transforming hydrocarbons
06/16/1999EP0922492A1 Regeneration of molybdenum based catalysts by the addition of ammonium dimolybdate
06/16/1999EP0921856A1 Catalyst recovery
06/15/1999US5912367 High efficiency epoxidation process
06/15/1999CA2099359C Alkylation catalyst regeneration
06/03/1999WO1999027239A1 Engine management strategy to improve the ability of a catalyst to withstand severe operating environments
06/01/1999US5908804 Reduction of emissions from FCC regenerators
06/01/1999US5908803 Process for isolation of a catalyst containing palladium
05/1999
05/26/1999CN1217726A Method of recovering boron trifluoride complex and process for producing olefin oligomer using same
05/25/1999US5906953 Catalyst rejuvenation process
05/25/1999CA2184048C Process for the hydroformylation of olefinically unsaturated compounds
05/19/1999EP0915827A1 Process for producing amines and amino nitriles
05/19/1999EP0799090B1 Aluminosilicate carrier for metathesis catalysts
05/19/1999CN1216718A Method for recovering and recycling catalyst constituents
05/18/1999US5905161 Regeneration of catalyst used in the preparation of 3,4-epoxy-1-butene
05/12/1999EP0914195A1 Method for separating a catalyst by membrane electrodialysis
05/06/1999EP0913197A1 Method for recovering and recycling catalyst constituents
05/06/1999EP0913194A1 Method for reactivating ruthenium catalyst
05/05/1999CN1216037A Method of producing amines and aminonitriles
05/04/1999US5900383 Process for increasing the activity of zeolite containing particulate solids
04/1999
04/28/1999EP0910472A1 Method of cleaning and/or regenerating wholly or partially de-activated catalysts for stack-gas nitrogen scrubbing
04/28/1999CN1215350A Method for separating a catalyst by membrane electrodialysis
04/21/1999EP0909804A2 A process for production of ethylene and propylene by catalytic pyrolysis of heavy hydrocarbons
04/21/1999CN1214336A Process for production of carboxylic acid or anhydrides thereof
04/21/1999CN1043013C Iron-exchange recovery method of cobalt and manganese ions in acetate solution
04/20/1999CA2143826C Method of regenerating deactivated catalyst
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