| Patents for B01J 38 - Regeneration or reactivation of catalysts, in general (7,157) |
|---|
| 08/18/1993 | CN1021814C Method for reactivating group 8 noble metal catalyst for use in purification of crude terephthalic acid |
| 08/17/1993 | US5237122 Alkylation catalyst regeneration |
| 08/17/1993 | US5237106 Reactivation of hydroformylation catalysts |
| 08/17/1993 | CA1321403C Alkylation of benzene in a moving bed |
| 08/11/1993 | EP0555128A1 Recovery of molybdenum and vanadium from used catalysts |
| 08/10/1993 | US5234874 Attrition-resistant catalyst system and its application to the oxidative dehydrogenation of saturated carboxylic acids, especially in entrained-bed reactors |
| 08/04/1993 | EP0553520A1 Reconditioning method for a non-acidic catalyst used in a high severity process for dehydrogenation of light hydrocarbons |
| 08/04/1993 | EP0504277B1 Oxidative secondary rhodium recovery process |
| 08/04/1993 | EP0473680B1 Process for the purification of contaminated water by activated ozone |
| 08/03/1993 | US5232885 Process for regenerating a spent resin hydroprocessing catalyst using a group IV metal |
| 08/03/1993 | US5232884 Process for producing a carbonic acid ester |
| 08/03/1993 | US5232559 Ammoniation of solution containing molybdenum compound in organic solvent for precipitation of molybdenum and reduction of electrical resistance, then electrolysis to collect more solid molybdenum at cathode |
| 07/28/1993 | EP0552846A1 Recovery of precious metals from catalyst residue |
| 07/28/1993 | EP0552797A1 Reactivation of hydroformylation catalysts |
| 07/28/1993 | CN1074632A Reactivation of hydroformylation catalysts |
| 07/27/1993 | US5230804 Process for separating catalysts from suspensions by filtration |
| 07/27/1993 | US5230791 Stripping oil, washing and drying the catalyst, washing with solvent and heating |
| 07/25/1993 | CA2087892A1 Reactivation of hydroformylation catalysts |
| 07/24/1993 | CA2087808A1 Recovery of precious metals from catalyst residue |
| 07/21/1993 | CN1021656C Catalytic metal recovery from non-polar organic solutions |
| 07/14/1993 | EP0550861A2 Process for regenerating metal oxide containing catalysts |
| 07/14/1993 | EP0550640A1 Lewis acid promoted transition alumina catalysts and isoparaffin alkylation processes using those catalysts. |
| 07/14/1993 | EP0274479B1 Process for the separation and isolation of shaped catalyst-type particles by length |
| 07/13/1993 | US5227566 Process for the dehydrogenation of hydrocarbons |
| 07/13/1993 | US5227350 Fluorination catalyst regeneration |
| 07/08/1993 | DE4200006A1 Activating molybdenum-contg. mixed oxide catalyst for propene ammoxidation - by treating with readily-dispersed bismuth-III cpd. at 300-600 deg.C |
| 07/07/1993 | EP0550150A1 A method for recovering or maintaining the activity of hydroisomerization catalysts |
| 06/30/1993 | EP0548421A1 Method for regenerating a deactivated catalyst |
| 06/29/1993 | US5223464 Washing with ethers, alcohols, or mixtures thereof |
| 06/16/1993 | EP0546324A1 Process for the recovery of precious metals |
| 06/10/1993 | WO1993010898A1 Catalyst treatment process |
| 06/10/1993 | CA2123907A1 Catalyst treatment process |
| 06/08/1993 | US5217935 Processes for regenerating catalysts contaminated with carbonaceous materials |
| 06/02/1993 | EP0544091A1 Reactivation process for water soluble hydroformylation catalysts |
| 06/02/1993 | CN1021022C Treatment of rhodium catalyst |
| 06/01/1993 | US5215667 Contacting with hydrophobic membrane which retains catalyst while allowing unreacted starting material and reaction products to pass through |
| 06/01/1993 | US5215652 Mixing nonionic metallic platinum group metal complexes with feedstock stream, recycle stream and hydrogen stream, hydrogenation, depositing metal on catalyst |
| 05/30/1993 | CA2081938A1 Method for recovering or maintaining the activity of hydroisomerization catalysts |
| 05/27/1993 | WO1993010065A1 Method for regenerating certain acidic hydrocarbon conversion catalysts by solvent extraction |
| 05/27/1993 | CA2119144A1 Method of regenerating certain acidic hydrocarbon conversion catalysts by solvent extraction |
| 05/26/1993 | CN1072353A Solid acid catalyst for olefine hydrocarbons and phenyl alkylate |
| 05/25/1993 | US5214218 Montmorillonite clays |
| 05/25/1993 | US5213679 Process for the catalytic conversion of a hydrocarbon feedstock |
| 05/25/1993 | CA1318307C2 Catalytic vapor phase process for producing dihydrocarbyl carbonates |
| 05/19/1993 | EP0542604A1 Process and apparatus for heat exchange of solid particles for double regeneration in catalytic cracking |
| 05/19/1993 | EP0541994A1 A process for regenerating hydrocarbon oil hydrogenation catalysts |
| 05/19/1993 | CN1020679C Reactivation of spent cracking catalyst |
| 05/18/1993 | US5212302 Process for producing epsilon-caprolactam and activating solid catalysts therefor |
| 05/18/1993 | US5212129 Inverted backmix coolers for FCC units |
| 05/18/1993 | US5212128 Method for recovering or maintaining the activity of hydroisomerization catalysts |
| 05/18/1993 | US5212127 Process for reactivating a deactivated dehydrocyclodimerization catalyst |
| 05/13/1993 | WO1993008912A1 A process for regenerating spent fluidized catalytic cracking catalyst |
| 05/12/1993 | EP0541244A1 Catalyst removal from alcohol alkoxylates using acid clays |
| 05/11/1993 | USRE34250 Process for regenerating sulfur contaminated reforming catalysts |
| 05/11/1993 | US5209840 Separation of active catalyst particles from spent catalyst particles by air elutriation |
| 05/11/1993 | US5209287 FCC catalyst cooler |
| 05/06/1993 | CA2081718A1 Process for regenerating hydrocarbon oil hydrogenation catalysts |
| 05/05/1993 | CN1071606A Process for reactivation of water-soluble hydroformylation catalysts |
| 05/05/1993 | CN1071605A Process for recovering rhodium from reaction products of oxo synthesis |
| 05/04/1993 | US5208194 Recovery of group VIII transition metals from organic solutions using acidic ion-exchange resins |
| 05/04/1993 | CA1317212C Process conditions for operation of ignition catalyst for natural gas combustion |
| 04/28/1993 | EP0538732A1 Process for the recovery of rhodium from reaction products of oxosynthesis |
| 04/28/1993 | CN1071348A Process for regeneration of fluorination catalyst |
| 04/27/1993 | US5206194 Contacting with oxygen containing gas at specific temperature to remove carbonaceous deposits by combustion |
| 04/27/1993 | US5206000 Process for the recovery of rhodium from aqueous solutions containing rhodium complexes |
| 04/25/1993 | CA2080747A1 Process for recovering rhodium from the reaction products of the oxo synthesis |
| 04/19/1993 | CA2068237A1 Catalyst removal from alcohol alkoxylates using acid clays |
| 04/15/1993 | WO1993006917A1 Microfiltration of zeolites |
| 04/13/1993 | US5202510 Activation of noble metal catalysts for use in hydrodehalogenation of halogen-substituted hydrocarbons containing fluorine and at least one other halogen |
| 04/13/1993 | US5202294 Combustion of coke on spent cracking catalyst using bubbling dense bed reactor having pressure drop windows |
| 04/07/1993 | EP0535886A2 Separation of active catalyst particles from spent catalyst particles by air elutriation |
| 04/07/1993 | EP0535619A1 Process for regenerating a deactivated catalyst |
| 04/07/1993 | CN1070594A Catalyst treatment |
| 04/06/1993 | US5200375 Pressurization and heating coked catalyst with hydrogen in the absence of oxygen |
| 04/06/1993 | CA1315739C Separation process for perfect or imperfect extruded materials |
| 04/03/1993 | CA2078458A1 Separation of active catalyst particles from spent catalyst particles by air elutriation |
| 03/30/1993 | US5198199 Process for the recovery of antimony-based catalysts used for the fluorination of halgenated hydrocarbons |
| 03/30/1993 | US5198194 Apparatus for simultaneous heating and cooling a fast fluidized bed catalyst regenerator |
| 03/30/1993 | CA1315294C Process for preparing 1-hydroxy-3-oxa-1,2,4,5-pentane tetracarboxylic acid and 3,6-dioxa-1,2,4,5,7,8-octane hexacarboxylic acid mixtures and their alkali metal derivatives |
| 03/30/1993 | CA1315293C Process for preparing ether carboxylates and alkali metal salts thereof |
| 03/30/1993 | CA1315292C Process for preparing alkali metal salts of 1-hydroxy-3-oxa-1,2,4,5-pentane tetracarboxylate and 2,6-dioxa-1,2,4,5,7,8-octane hexacarboxylate |
| 03/30/1993 | CA1315291C Process for the preparation of alkali metal salts of 1-hydroxy-3-oxa-1,2,4,5-pentane tetracarboxylate and 3,6-dioxa-1,2,4,5,7,8-octane hexacarboxylate |
| 03/24/1993 | EP0533228A1 Process for the activation of a catalyst |
| 03/17/1993 | EP0389617B1 Treatment of rhodium catalysts |
| 03/17/1993 | CN1020111C Process for catalysis reform in reaction zone with several parallel moving bed |
| 03/10/1993 | CN1069721A Process for preparing N-alkyl polyhydroxyalkyl amines in aqueous/hydroxy solvents |
| 03/09/1993 | US5192724 Regeneration |
| 03/04/1993 | WO1993004029A1 A method for separating a water soluble noble metal catalyst from a noble metal catalyzed hydroformylation reaction |
| 02/24/1993 | EP0528498A2 Catalysts used for producing carbonic acid esters and methods of producing carbonic acid esters using the same |
| 02/23/1993 | US5188996 Redispersion of noble metal on low acidity support |
| 02/23/1993 | US5188995 Reactivation and passivation of spent cracking catalysts |
| 02/18/1993 | WO1993003004A1 Process for preparing n-alkyl polyhydroxyalkyl amines in aqueous/hydroxy solvents |
| 02/18/1993 | WO1993002794A1 Regeneration of fluidized catalytic cracking catalyst |
| 02/16/1993 | US5186917 Process for the removal of nox sox utilizing a particulate agent |
| 02/16/1993 | CA1313651C Regeneration of an iron based natural catalyst used in the hydroconversion of heavy crudes and residues |
| 02/11/1993 | DE4126285A1 Regenerating deactivated catalyst esp. nitrogen oxide(s) exhaust or flue catalyst - by abrasive treatment, pref. blasting with solid particle jet to remove surface film and expose new catalytic surface |
| 02/04/1993 | DE4125813A1 Non-oxidative reprocessing and activity maintaining of hydrorefining catalyst - by mixing heavy oils and/or middle distillates with light cycle oil |
| 02/03/1993 | EP0524985A1 Process for catalyst recovery. |
| 02/02/1993 | US5183789 Ozone regeneration of platinum, and polymetallic platinum reforming catalysts |
| 01/26/1993 | US5182241 Regeneration of palladium-tin activator solution for use in metallization of plastics |