Patents for B01J 38 - Regeneration or reactivation of catalysts, in general (7,157)
06/1992
06/23/1992US5124290 Ion exchanging
06/23/1992CA1304065C Method for the dry regeneration of a catalyst
06/18/1992WO1992011087A1 Process for activation or regeneration of nickel catalyst
06/18/1992CA2098611A1 Process for activation or regeneration of nickel catalyst
06/17/1992EP0490453A1 Process and apparatus for removal of carbonaceous materials from particles containing such materials
06/16/1992US5122185 Bringing lost precious metal into contact with a foraminate element fabricated from palladium by itself or with a minor amount of another metal
06/14/1992CA2057239A1 Process and apparatus for removal of carbonaceous materials from particles containing such materials
06/10/1992EP0489494A1 Catalyst recovery process
06/04/1992WO1992009367A1 Process for regenerating a zeolite catalyst
06/04/1992CA2097306A1 Process for regenerating a zeolite catalyst
06/03/1992CN1061625A Catalyst recovery process
06/02/1992CA1302330C Fluid catalytic cracking regeneration with spent catalyst separator
05/1992
05/29/1992CA2055970A1 Method for treating gas and apparatus used therefor
05/27/1992EP0487379A2 Method of anti-pollution treatment of a used refining catalyst and complete recuperation of the different metal constituents of this catalyst
05/27/1992EP0487368A2 Antipolluting treatment of a used refining catalyst and recuperation of metals
05/23/1992CA2052199A1 Catalyst recovery process
05/19/1992CA1301190C Rhodium recovery from hydroformylation reaction product
05/13/1992CA2055280A1 Process for antipollution treatment of a spent refining catalyst and total recovery of different metal constituents of said catalyst
05/06/1992EP0483518A1 Method for the removal of metallic corrosion products from non-aqueous carbonylation reaction systems
05/01/1992CA2054510A1 Process for antipollution treatment of a spent refining catalyst and recovery of metals
05/01/1992CA2052868A1 Process for removing metallic corrosion products from carbonylation reactions carried out under anhydrous conditions
04/1992
04/30/1992DE4033797A1 Apparatus for removing dust from honeycomb structured catalysts by application of pulsed compress air - useful for cleaning encrusted fly ash from no reduction catalysts in flue gas emission control systems
04/29/1992EP0482391A1 Recovering of hydrogenation catalysts from hydrogenated nitrile rubbers solutions
04/28/1992US5108976 High-density and mean-porosity catalyst supported on a siliceous matrix, based on vanadium, iron, oxygen and alkali metal
04/28/1992US5108968 Process for treating a material wherein the material is suspended in a gaseous atmosphere
04/21/1992US5106799 Regenerating cracking catalyst using dense phase combustion zone over dilute phase, reducing nitrogen oxides
04/21/1992US5106798 Removing coke; redispersing noble metal with gas containing halogen, oxygen, carbon dioxide; stabilizing; removing carbon oxides; reducing
04/21/1992US5106486 Addition of magnetically active moieties for magnetic beneficiation of particulates in fluid bed hydrocarbon processing
04/21/1992CA1299131C Process for continuous dewaxing of hydrocarbon oils
04/15/1992CN1016271B External warmer
04/14/1992US5105045 Method of oxidative conversion
04/14/1992US5104972 Removal of hydrogenation catalyst from polymer solutions by contact with silicates
04/08/1992EP0479343A2 Production of improved catalyst-type particles using density grading
04/07/1992US5102639 Praseodymium-palladium binary oxide, catalyst compositions containing the same, and methods of use
04/01/1992EP0477450A1 Method for recovery of tungsten from spent catalysts
03/1992
03/31/1992US5101052 Molybdenum recovery
03/31/1992US5100850 Solvent extraction with hydrogen peroxide and acetic acid to recover rhodium catalyst values from acetic anhydride production process
03/25/1992CN1015965B The regenerative method for the catalyst of hydrocarbon hydroconversion
03/24/1992CA1297891C Catalytic vapor phase process for producing dihydrocarbyl carbonates
03/18/1992EP0475693A1 Process for the regeneration of a fluorination catalyst
03/18/1992EP0475036A1 Process for recovering rhodium from residues of the destillation of products of the oxosynthesis
03/18/1992CN1015900B Catalytic cracking of whole crude oil
03/11/1992CA2050991A1 Procedure for cleaning filter
03/10/1992US5094988 Activation of noble metal catalysts using fluorohalocarbons or fluorohalohydrocarbons
03/03/1992US5093509 Removal of trace quantities of molybdenum
03/03/1992US5093292 Chromium oxide catalyst impregnation regeneration method
03/03/1992CA1296700C Process and apparatus to reduce no _emissions from a fluid catalytic cracking unit
03/03/1992CA1296699C Method for the regeneration of spent alumina-based catalysts
02/1992
02/27/1992DE4125538A1 Helium extn. from gas contg. hydrogen by pressure swing adsorption - and catalytic removal of hydrogen avoiding use of cryogenic temp.
02/25/1992US5091599 Cobalt hydroformylation catalyst recovery in the production of alcohols
02/25/1992US5091546 Novel rhodium recovery
02/24/1992CA2048263A1 Process for helium purification
02/19/1992CN1015513B Regeneration of non-acid loading type platinum catalyst
02/18/1992US5089451 Hardened catalyst particles and method for hardening the catalyst particles
02/18/1992US5089115 Downwardly forced particle bed for gas contacting
02/11/1992US5087792 Process for the dehydrogenation of hydrocarbons
02/11/1992US5087596 Partially decoking, incorporating Group 6B metal, decoking
02/06/1992WO1992001512A1 Process and apparatus for control of multistage catalyst regeneration with partial co combustion
02/06/1992WO1992001511A1 Process and apparatus for control of multistage catalyst regeneration with full co combustion
02/04/1992CA1295278C Regeneration and reactivation of reforming catalysts while passivating iron scale carryover from the regenerator circuit to the reactors
01/1992
01/28/1992US5084092 Method of separating metals from catalyst material
01/28/1992CA1294943C Production of improved catalyst-type particles using length and density grading
01/22/1992EP0467176A1 Process for regenerating inactive and poisoned platinum catalyst
01/22/1992EP0467061A2 Process for production of carboxylic acid
01/21/1992US5082552 Hydrotreating with catalyst particles using length and density grading
01/18/1992WO1992001632A1 Process for control of multistage catalyst regeneration with full then partial co combustion
01/18/1992CA2087277A1 Process for control of multistage catalyst regeneration with full then partial co combustion
01/15/1992EP0465969A1 Process for reactivation of ammoxidation catalysts
01/07/1992CA1293948C Apparatus and method for controlling the temperature in catalyst regeneration
01/07/1992CA1293947C Method for suppressing the harmful effects of metal contaminants on hydrocarbon conversion catalysts using a strontium colloid system
01/02/1992EP0432224A4 Treatment of arsine removal catalysts
12/1991
12/31/1991US5077252 Concentration of combustion air added to both regeneration stages set to maintain partial carbon monoxide combustion in both stages
12/31/1991US5077251 Coke combustion in fluidized bed
12/24/1991US5075268 Regeneration method for methanol-reforming catalyst
12/24/1991US5074989 Concentrating slurry; circulation
12/17/1991US5073349 High efficiency catalytic cracking stripping apparatus
12/14/1991WO1991019888A1 Automobile catalytic-converter rejuvenation by oxidation
12/14/1991CA2064843A1 Automobile catalytic converter rejuvenation by oxidation
12/10/1991US5071802 Regeneration of catalysts by burning in the presence of alcohols
12/10/1991US5071538 Process for regenerating spent heavy hydrocarbon hydroprocessing catalyst
11/1991
11/28/1991WO1991017824A1 Activation of noble metal catalysts for use in hydrodehalogenation of halogen-substituted hydrocarbons containing fluorine and at least one other halogen
11/27/1991EP0458675A1 Regeneration process of a used catalyst by an aqueous hydrogen peroxide solution stabilized by an organic compound
11/26/1991US5068477 Impregnation with reducing agent, decomposition with heat and drying
11/24/1991CA2043070A1 Process for the regeneration of used catalyst with an aqueous hydrogen peroxide solution stabilised with an organic compound, and composition useful for this process
11/21/1991EP0457540A1 FCCU regenerator catalyst distribution system
11/20/1991CN1014776B Inactivation of metal to prevent cracking catalyst being poluted
11/19/1991US5066629 Group 2A oxide or carbonate mixed with clay
11/19/1991US5066627 Process for simultaneous heating and cooling a fast fluidized bed catalyst regenerator
11/13/1991EP0456455A1 Phase transfer catalyst recovery
11/08/1991CA2040098A1 Phase transfer catalyst recovery
10/1991
10/23/1991EP0453332A1 Attrition-resistant catalytic system and its use in the oxydehydrogenation of saturated carboxylic acids, particularly in fluid bed reactors
10/23/1991EP0452630A1 Process for the reconditioning of catalysts
10/22/1991US5059738 Method for reactivating MTG process catalyst
10/17/1991WO1991015295A1 Process for treating a material wherein the material is suspended in a gaseous atmosphere
10/17/1991DE4012128A1 Verfahren zur katalysatorrueckgewinnung Method for katalysatorrueckgewinnung
10/16/1991EP0269718B1 Catalytic vapor phase process for producing dihydrocarbyl carbonates
10/15/1991WO1991016294A1 Process for catalyst recovery
10/15/1991US5057470 Regeneration of noble metal catalysts used in hydrodehalogenation of halogen-substituted hydrocarbons containing fluorine and at least one other halogen
10/15/1991CA2080478A1 Process for catalyst recovery
10/15/1991CA1290575C Leaching cobalt, molybdenum, nickel, and vanadium from spent hydroprocessing catalysts
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