Patents for B01J 38 - Regeneration or reactivation of catalysts, in general (7,157)
04/1994
04/27/1994CN1024326C Process for recovery of catalytic cracking catalyst by removing metal
04/26/1994US5306682 Contacting with an oxygen-containing gas having moisture content of 0.2% or less; combustion
04/26/1994US5306681 Method for recovery or maintaining the activity of hydroisomerization catalysts
04/14/1994DE4233763A1 Reactivation of noble metal activated carbon catalyst - by e.g. reforming or platforming catalyst by pyrolysis, activation and opt. redn without burning carbon support
04/12/1994US5302360 Adding elemental antimony to inactivated antimony pentahalide catalyst solution to yield antimony trihalide; crystallization; separation of impurities; halogenation
04/12/1994US5302183 Recovery of precious metals from catalyst residue
04/06/1994EP0590882A1 Method of rejuvination of hydrocarbon synthesis catalyst
04/06/1994EP0590631A1 Alkylation catalyst regeneration
03/1994
03/31/1994WO1994006558A1 Catalyst production for use in a process for fluorination of hydrocarbons
03/31/1994CA2141184A1 Catalyst production for use in a process for fluorination of hydrocarbons
03/30/1994EP0589502A1 Dust blowing device for horizontally arranged catalyst surfaces
03/17/1994WO1994005419A1 Regeneration of severely deactivated reforming catalysts
03/17/1994WO1994005418A1 Improved method of regenerating deactivated catalyst
03/09/1994EP0586009A1 Process for separating catalysts from organic solutions, by means of semipermeable membranes
03/09/1994CN1083417A Alkylation catalyst regeneration
03/09/1994CN1083416A Alkylation catalystregeneration
03/03/1994WO1994004270A1 Process for magnetic beneficiating petroleum cracking catalyst
03/02/1994EP0584760A1 Alkylation catalyst regeneration
03/02/1994EP0584720A1 Process for the recovery of rhodium from distillation residues from products of the oxosynthesis
03/01/1994US5290431 FCC process with concentrators on cyclone inlets
03/01/1994CA2104509A1 Process for the recovery of rhodium from distillation residues of products of the oxo synthesis
02/1994
02/23/1994EP0583764A1 Process for catalytically cracking paraffin rich feedstocks comprising high and low concarbon components
02/23/1994EP0583362A1 Oxidative secondary rhodium recovery process
02/22/1994US5288673 Temperature control in draft tubes for catalyst rejuvenation
02/21/1994CA2104059A1 Process for catalytically cracking paraffin rich feedstocks comprising high and low concarbon components
02/17/1994WO1994003273A1 Process and apparatus for the regeneration of a solid catalyst
02/16/1994CN1081929A Separation method
02/15/1994US5286691 Treating contaminated fluidized cracking catalyst with oxygen and metal scavenger, then elution or settling
02/15/1994US5286690 Method of heat exchange of solid particles for regeneration in catalytic cracking
02/09/1994CN1023711C Fluidized bed catalyst two-stage oxidizing regenerative method
02/03/1994WO1994002246A1 Low temperature regeneration of coke deactivated reforming catalysts
02/02/1994CN1081435A Method for continous dehydrogenation of paraffin hydrocarbon to producing olefin hydrocarbon
02/01/1994US5283216 Activating by hydrogenation the suspended catalysts in slurry with heating, pressurization
02/01/1994US5283052 A combustion chamber has a combustion zone, a flue gas conduit connecting to, a nozzle for injecting molybdenum oxide dust over the catalysts; continuous processing without shut down the power plant
01/1994
01/19/1994CN1080881A 烷基化催化剂的再生 Alkylation catalyst regeneration
01/18/1994US5279464 Comminuting metal containing and catalyst; separation
01/12/1994EP0578401A1 FCC regeneration process and apparatus for reducing NOx
01/11/1994US5277880 Coke combustion conversion reaction
01/11/1994CA2058620C Oxidative secondary rhodium recovery process
01/06/1994WO1994000236A1 Regeneration of fluidized catalytic cracking catalyst
01/06/1994WO1994000232A1 Regeneration of acetylene converter catalysts by hydrogen stripping
01/05/1994DE4319733A1 Inexpensive regeneration of nitrogen oxide(s) removing catalyst - by contaminant sublimation using hot carrier gas
01/04/1994US5276245 Alkylation catalyst regeneration
01/04/1994US5275990 Multistage sepatation of metals and impurities by treatment with oxygen gas for oxidation of impurities
12/1993
12/29/1993EP0576024A1 Alkylation catalyst regeneration
12/28/1993US5273107 Pumped catalyst heat exchanger
12/23/1993WO1993025508A1 Production of hydrofluorocarbons
12/23/1993DE4220303A1 Denitrification catalyst regeneration, esp. to remove arsenic cpds. - by supplying reducing agent and removing hot impurity vapour, then supplying oxidant
12/22/1993EP0574469A1 Low temperature regeneration of coke deactivated reforming catalysts
12/22/1993CN1079677A Regeneration or activation of noble metal catalysts using fluorohalocarbons or fluorohalohydrocarbons
12/15/1993CN1023112C Catalyst recovery in production of alcohols
12/15/1993CN1023078C Pneumatic control outer circulation type catalyst cooler
12/14/1993US5270272 Treating with ammonia, oxygen, redistributing and reducing platinum
12/09/1993WO1993024437A1 Catalyst regeneration
12/09/1993WO1993024224A1 Treatment of hydrogenation catalysts
12/08/1993EP0573083A1 Process for the treatment of vanadium containing wastes
12/07/1993US5268344 Draft tube for catalyst rejuvenation and distribution
12/07/1993US5268343 Process for the reactivation of an activated charcoal catalyst employed in the preparation of 1,1,1,2,3,3,3-heptafluoropropane (R 227)
12/07/1993US5268089 Fluid calalytic cracking; distillation of cracked products and catalyst to separate
12/07/1993US5267439 Method and arrangement for checking the aging condition of a catalyzer
12/07/1993CA1325016C Process for the recovery of rhodium from aqueous solutions containing rhodium complexes
12/07/1993CA1325015C Recovery process
11/1993
11/25/1993WO1993023164A1 Separation method
11/24/1993EP0571130A1 NOx removal process
11/23/1993US5264647 Alkylation catalyst regeneration
11/23/1993US5264600 Process for the recovery of rhodium from residues of the distillation of products of the oxo synthesis
11/23/1993CA2096774A1 Nox removal process
11/18/1993EP0569462A1 Process for separation of two solid components
11/10/1993EP0569168A2 Synthesis of alkyl tert-alkyl ether using haloacid-modified clay catalysts
11/10/1993EP0568871A1 Apparatus and process to clean a honeycomb catalyst
11/09/1993US5260490 Process for recovering rhodium from the reaction products of the oxo synthesis
11/09/1993US5260239 Continuous processing, using gravitional force
11/09/1993US5260238 Process for regenerating a deactivated catalyst
11/09/1993US5260034 Stage catalyst concentric annular stripper
11/05/1993CA2078484A1 One step synthesis of methyl t-butyl ether from t-butanol using haloacid-modified clay catalysts
11/03/1993CN1077908A Recovery of rh from residue of reaction of carbonation
10/1993
10/27/1993EP0566798A1 Bisphenol a production using acid modified clay catalysts
10/27/1993EP0566785A1 Method for deagglomerating and re-exposing catalyst in a fluid bed reactor
10/26/1993US5256612 Regenerating the noble metal catalyst by combusting the coke, oxyhalogenation in presence of carbon dioxide at low pressure and reducing with hydrogen
10/21/1993CA2078457A1 Bisphenol a production using acidic clay catalysts
10/20/1993EP0550640A4 Lewis acid promoted transition alumina catalysts and isoparaffin alkylation processes using those catalysts
10/20/1993CN1077399A Method for deagglomerating and re-exposing catalyst in a fluid bed reactor
10/19/1993US5254513 Steam treatment
10/19/1993US5254512 Method for treating gas and regenerating catalyst portion by portion
10/14/1993WO1993019812A1 Treatment of liquids
10/14/1993CA2133551A1 Treatment of liquids
10/13/1993EP0564862A1 Process for recovering rhodium from waste material generated in carbonylation reactions
10/12/1993US5252305 Heating and melting with copper or its oxide and flux material to absorb PT group metal, separation
10/06/1993EP0563170A1 Process for activation or regeneration of nickel catalyst
10/05/1993US5250483 Method for treatment of catalysts using denitrifying bacteria
10/05/1993US5250482 Process for magnetic beneficiating petroleum cracking catalyst
09/1993
09/29/1993EP0562906A1 Continuous process for the dehydration of paraffinic hydro-carbons to olefinic hydrocarbons
09/29/1993EP0562509A1 Reactivation of an activated carbon catalyst used for preparing 1,1,1,2,3,3,3-heptafluoropropane
09/23/1993DE4209292A1 Spent metal and/or oxide catalyst regeneration by mechanical crushing - with specified energy density, esp. for catalyst used in oxidn., hydrogenation or hardening of fat, oil or fatty acid
09/22/1993EP0560883A1 Process for regenerating a zeolite catalyst.
09/22/1993CN1076386A A method for regenerating certain acidic hydrocarbon conversion catalysts by solvent extraction
09/08/1993EP0559010A2 Catalyst for hydrolysing carbonylsulfide
09/07/1993US5242483 Forming vanadium containing aggregate, mixing with iron to form aggregate, reduction
09/07/1993US5242012 Apparatus and process for cooling fluid solid particles
08/1993
08/31/1993CA1321797C Process for preparing telomers from chlorotrifluoroethylene and 1,1-dibromo-1- chlorotrifluoroethane
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