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)
08/1996
08/06/1996US5542957 Recovery of platinum group metals and rhenium from materials using halogen reagents
08/01/1996WO1996016012A3 Aldehyde preparation process
07/1996
07/31/1996EP0723809A1 Process for preparing a hydrogenation catalyst
07/31/1996EP0723599A1 Recovery of palladium catalyst
07/17/1996CN1126986A Regeneration and stabilization of dehydrogenation catalyst
07/10/1996EP0664776B1 Process for the conversion of an olefin or a mixture of olefins
07/10/1996CN1126238A Reduction of emissions from FCC regenerators
07/09/1996USRE35292 Process for separating organometallic compounds and/or metal carbonyls from their solutions in organic media
07/09/1996US5534149 Method of separating catalyst-free working solution from the hydrogenation cycle of the anthraquinone method for the production of hydrogen peroxide
07/04/1996WO1996020044A1 Regeneration of catalyst/absorber
06/1996
06/27/1996WO1996019287A1 Aluminosilicate carrier for metathesis catalysts
06/25/1996US5529963 Process for the regeneration of a deactivated, carbon-covered, fine-grained, heat-resistant catalyst
06/19/1996EP0716887A1 Reactivation of used solid catalysts and use of the regenerated catalysts
06/19/1996EP0716715A1 Recovery of aluminum and/or fluoride values from used aluminum chlorofluorides
06/19/1996CN1124950A Process for modifying the shape selectivity of a zeolite catalyst and use of the mofified catalyst
06/18/1996US5527980 Regeneration of hydrogen fluoride alkylation catalyst
06/18/1996US5527750 Oxidation of sulfur to sulfur dioxide, alkali treatment and absorption; multistage; reforming catalyst
06/12/1996EP0716061A1 Process for reductive deoxygenation by means of a redox catalyst
06/12/1996EP0715890A1 Electrochemical preparation process of transition metal and phosphine containing catalysts
06/11/1996CA2006021C Process for separating organometallic compounds and/or metal carbonyls from their solutions in organic media
06/08/1996CA2164462A1 Catalyst activation process and catalyst reactivation process
06/04/1996US5523271 Active reduced metal impregnated with metal oxide-zeolite support containing carbon
05/1996
05/30/1996WO1996016012A2 Aldehyde preparation process
05/29/1996EP0688245A4 Catalyst regeneration
05/23/1996DE4440801A1 Verfahren zur Herstellung von Aldehyden A process for the preparation of aldehydes
05/22/1996CN1122726A Process for the separation of catalyst-free working solution from the hydrogenation circuit of the anthraquinone process for the manufacture of hydrogen peroxide
05/21/1996US5519149 Vanadium pentoxide-phosphorus pentoxide-silicon dioxide
05/17/1996WO1996014288A1 Catalyst recovery and dialkyl ester synthesis from an adipic acid synthesis waste stream
05/17/1996WO1996014146A2 VAPOR PHASE CATALYTIC OXIDATION OF n-BUTANE TO MALEIC ANHYDRIDE INCORPORATING IN SITU CATALYST CALCINATION/ACTIVATION
05/15/1996EP0711203A1 Process and installation for recovering catalyst components
05/08/1996EP0710502A1 Process for the out-situ regeneration of noble metal comprising catalyst
05/08/1996EP0710501A2 Catalyst regeneration
04/1996
04/30/1996US5512528 Catalysts used for producing carbonic acid esters and methods of producing carbonic acid esters using the same
04/30/1996US5512525 Regeneration of spent multimetal oxide oxidation catalysts from the catalytic gas-phase oxidation of lower organic compounds
04/30/1996US5512166 Process and apparatus for the continuous replacement of the catalyst in a moving-bed unit
04/25/1996DE4437252A1 Regenerative process for prodn. of olefinically unsatd. cpds. using regeneratable oxygen transfer catalyst in absence of molecular oxygen@
04/17/1996EP0674545A4 Temperature control in draft tubes for catalyst rejuvenation.
04/17/1996EP0674544A4 Draft tube for catalyst rejuvenation and distribution.
04/17/1996EP0674543A4 External catalyst rejuvenation system for the hydrocarbon synthesis process.
04/16/1996US5508243 Particles urged upward in vibrating heated helical coil
04/11/1996WO1996010551A1 Process for preparing 1,3-alkanediols and 3-hydroxyaldehydes
04/10/1996EP0705238A1 Regeneration and stabilization of dehydrogenation catalyst
04/09/1996US5505856 Process for the purification of contaminated water by activated ozone
04/03/1996EP0704516A2 Catalyst regeneration process
04/03/1996EP0704515A2 Method of establishing combustion of coke deposits
04/03/1996EP0703886A1 Process for modifying the shape selectivity of a zeolite catalyst and use of the mofified catalyst
04/03/1996CN1119555A Process for the recovery of spent acid catalyst
04/02/1996US5503813 Reacting the molybdenum epoxidation catalysts with aqueous bases forming molybdate in aqueous phase, separation
03/1996
03/27/1996EP0703002A1 Regeneration of hydrogen fluoride alkylation catalyst
03/20/1996EP0607276B1 Microfiltration of zeolites
03/13/1996EP0667806B1 Method of producing catalysts containing iron, potassium and cerium
03/12/1996US5498756 Moving bed regeneration process with internally mixed chloride gas
03/07/1996WO1996006676A1 Apparatus and process for activation and reactivation of wet or dry carbon by electrical resistance heating in the presence of steam
03/06/1996EP0699224A1 Method for controlling the heat level of a solid in a heat exchanger with cylindrical tube layers
02/1996
02/29/1996DE4442477C1 Method of regeneration of acetylide-contg. catalyst
02/27/1996US5495055 Continuous reaction of acetone, in aqueous stream, with hydrogen yields isopropanol, then regeneration of catalyst with steam, efficiency
02/22/1996EP0705238A4 Regeneration and stabilization of dehydrogenation catalyst
02/08/1996WO1996003365A1 Method of recycling a catalyst in a reaction involving the direct oxidation of cyclohexane into adipic acid
02/08/1996CA2195576A1 Method of recycling a catalyst in a reaction involving the direct oxidation of cyclohexane into adipic acid
02/07/1996EP0695219A1 Cyclic process for activation, use and recovery of phase-transfer catalysts
02/06/1996US5489732 Fluidized solid bed motor fuel alkylation process
02/06/1996CA2007730C Process for the recovery of catalyst values
01/1996
01/31/1996CN1115687A Reactor and use thereof
01/16/1996US5484201 System for the recovery of oil and catalyst from a catalyst/oil mix
01/10/1996EP0650395A4 Low temperature regeneration of coke deactivated reforming catalysts.
01/09/1996US5483007 Reaction of sodium thiocyanate with chloride compound in the presence of a phase transfer catalyst
01/04/1996DE4429702C1 Regeneration of supported noble metal hydro-dehalogenation catalyst without dioxin formation
12/1995
12/27/1995EP0688245A1 Catalyst regeneration
12/20/1995EP0687649A1 Process for the separation of a catalyst-free work solution from the hydrogenation cycle of the anthrachinone process for the preparation of hydrogen peroxide
12/19/1995US5476988 Settling aids for solids in hydrocarbons
12/19/1995CA1337739C Process for removal of soluble platinum group metal catalysts from liquid product mixtures
12/13/1995EP0686063A1 A method for separating catalyst from a hydroformylation reaction product using alkylated ligands
12/12/1995US5474960 Process for reactivating a fluid bed catalyst in a reactor dipley
12/07/1995WO1995032801A1 A process for improving the effectiveness of a process catalyst
12/07/1995DE4418931A1 Catalyst removal from hydrogenated soln in hydrogen peroxide prodn by anthraquinone process
12/07/1995DE19519137A1 Catalyst comprising residue from exhausted desulphurisation catalyst
12/07/1995CA2191743A1 A process for improving the effectiveness of a process catalyst
12/06/1995EP0685443A1 Process for the recovery of spent acid catalyst
12/06/1995EP0685262A1 Process for the regeneration of a fluorination catalyst
12/04/1995CA2150853A1 Process for regenerating a fluorination catalyst
11/1995
11/23/1995WO1995031280A1 High activity catalysts
11/22/1995EP0682686A1 Regeneration of aromatization catalysts
11/21/1995US5468456 Batch extracting process using magneticparticle held solvents
11/15/1995CN1111547A Method for cleaning iron deposit of hydrocracking refined catalyst
11/14/1995US5466876 Process for the removal of corrosion metal contaminants from liquid compositions
11/14/1995US5466644 Regeneration of hydroformylation catalysts containing rhodium carbonyl phosphine
11/08/1995EP0680786A1 Method for regenerating a sulfonated aromatic organic polymeric ion-exchange resin bed having deactivated aminoorganomercaptan groups
10/1995
10/31/1995US5463166 Reactivation of alkane isomerization catalysts
10/24/1995US5461179 Continuously adding alkali metal compound to the mixture of alkylaromatic hydrocarbon and steam, catalyzing in presence of iron oxide catalyst, selective alkenylation
10/18/1995EP0677047A1 Method of preparing 3,4-epoxy-1-butene.
10/12/1995WO1995027019A1 Process and apparatus for producing light olefins
10/12/1995WO1995026813A1 Removal of contaminants from spent hydroprocessing catalysts through continuous solvent extraction and batch closed vessel solvent extraction
10/10/1995US5457258 Recovery of spent acid catalyst from alkylation of hydrocarbons
10/10/1995US5457077 Reconditioning platinum catalyst with hot oxygen and chlorine, dehydration, redispersion, reuse
10/04/1995EP0674545A1 Temperature control in draft tubes for catalyst rejuvenation
10/04/1995EP0674544A1 Draft tube for catalyst rejuvenation and distribution
10/04/1995EP0674543A1 External catalyst rejuvenation system for the hydrocarbon synthesis process
10/04/1995EP0523097B1 Apparatus and method for regenerating deactivated zeolite reforming catalysts
10/03/1995USRE35046 Continuously or intermittently adding magentically active iron compounds over time so deposits on catalyst, older catalysts being more magnetic, can be readily separated from catalyst which has been in system for shorter time, separation
10/03/1995US5455282 Salt formation to cover small amount of sulfonic acid groups; repeated activation
1 ... 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 ... 72