| Patents for B01J 38 - Regeneration or reactivation of catalysts, in general (7,157) |
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| 12/16/1990 | CA2019147A1 Method for recovering solid molybdenum compounds |
| 12/11/1990 | US4977118 Method for regeneration of catalyst for producing of aziridine compounds |
| 12/11/1990 | US4977117 Reacting oxides of nickel and molybdenum with a polysulfide, in first stage without hydrogen and in second stage without hydrogen; arcylamine present |
| 12/04/1990 | US4975399 Oxidation of coke (carbon) deposits |
| 12/04/1990 | CA1277275C Catalyst deoiling process |
| 12/01/1990 | WO1990015039A1 Treatment of arsine removal catalysts |
| 11/29/1990 | WO1990014312A2 Process and apparatus for the purification of contaminated water by activated ozone |
| 11/27/1990 | US4973780 Continuous regeneration of catalyst in controlled oxygen environment |
| 11/20/1990 | CA1276612C Redispersion of agglomerated noble metals on zeolite catalysts |
| 11/06/1990 | US4968403 Subjecting spent catalyst to microwave radiation before regeneration resulting in reduced emission of air pollutants |
| 10/31/1990 | EP0394841A2 Process for the hydrogenation of acetylenic alcohols |
| 10/24/1990 | EP0393390A2 Regeneration of polyvalent metal dicarboxylate catalyst for carbon dioxide-epoxide copolymerization |
| 10/24/1990 | CN1046293A Catalyst recovery in production of alcohols |
| 10/23/1990 | US4965232 Controlling temperature and supply of combustion fluid |
| 10/10/1990 | EP0391650A2 Catalyst recovery in the production of alcohols |
| 10/09/1990 | US4962272 Treatment of arsine removal catalysts |
| 10/04/1990 | CA2013674A1 Catalyst recovery in the production of alcohols |
| 10/03/1990 | EP0389836A1 Process for the purification and recovery of contaminated solution of a catalyst from the carbonylation of methanol and/or methyl acetate and/or dimethyl ether |
| 10/03/1990 | EP0389617A1 Treatment of rhodium catalysts. |
| 10/02/1990 | US4960862 Regeneration of metallo-organic catalyst for carbon dioxide-epoxide copolymerization |
| 10/02/1990 | US4960573 Recovering method of catalytic component and carrier from waste catalyst |
| 09/26/1990 | CN1045644A Exteral heat exchanger |
| 09/25/1990 | US4959496 Chemical process |
| 09/25/1990 | US4959334 Cracking catalyst, countercurrent flow of oxygen, controlled fluidization |
| 09/25/1990 | US4959198 Downwardly forced particle bed for gas contacting |
| 09/19/1990 | EP0388070A1 Regeneration of catalysts |
| 09/11/1990 | US4956512 Procedure for producing poly-alpha-olefine-type lubricants |
| 09/05/1990 | EP0385714A1 Method for regeneration of catalyst for producing aziridine compounds |
| 09/04/1990 | US4954466 Solvent extraction with trialkylamine containing hydrocarbon from n-acetyliminodiacetic acid |
| 09/04/1990 | US4954244 Reactivation of zeolite catalyst by contacting with ammonium compound, fluorine compound and a metal passivating agent |
| 08/29/1990 | EP0384755A1 Method for regenerating catalyst for oxidative dehydrogenation of isobutyric acid |
| 08/28/1990 | US4952543 Process for dispersing or redispersing a Group VIII noble metal species on a porous inorganic support |
| 08/28/1990 | US4952541 Acrylonitrile dimerization process and method of treating residual catalyst |
| 08/27/1990 | CA2010937A1 Method for regeneration of catalyst for producing aziridine compounds |
| 08/21/1990 | US4950836 Group 1a or 2a, or 3a metals or zinc or titanium as catalysts |
| 08/21/1990 | US4950787 Chemical process |
| 08/21/1990 | US4950629 Process for catalyst recovery |
| 08/16/1990 | EP0381988A1 Process for removing metallic corrosion products from a contaminated catalyst solution used in the carbonylation of methanol and/or dimethyl acetate and/or dimethyl ether |
| 08/09/1990 | DE3903590A1 Method of reprocessing used DeNOx catalysts |
| 08/08/1990 | EP0380911A1 Process for the purification and recovery of a catalyst solution contaminated in the carbonylation of methanol and/or methyl acetate and/or dimethyl ether |
| 08/02/1990 | DE4001779A1 Regenerating hydrocarbon conversion catalyst - contg. carrier, platinum gp. metal and chlorine in two combustion zones, oxychlorination zone and calcination zone |
| 08/01/1990 | EP0380134A1 Method for regenerating replacing or treating the catalyst in a hydroprocessing reactor |
| 07/31/1990 | US4945075 Oxidative secondary rhodium recovery process |
| 07/18/1990 | EP0378482A1 Regeneration process of a catalyst for the reforming or for the production of aromatic hydrocarbons |
| 07/11/1990 | CN1008693B Catalyst recovery process |
| 07/04/1990 | EP0376774A1 Fixed-bed process for sweetening oil fractions |
| 07/04/1990 | EP0376610A1 Process for catalyst recovery |
| 07/03/1990 | US4939281 Method for recovering solid molybdenum compounds |
| 07/03/1990 | US4939109 Passivation of metal contaminated cracking catalysts |
| 06/27/1990 | EP0374615A2 Process for the separation of organometallic compounds and/or metal carbonyls from their solution in organic media |
| 06/27/1990 | CN1043310A Minimising catalyst loss in production of alcohols |
| 06/27/1990 | CA2005943A1 Process for catalyst recovery |
| 06/26/1990 | CA1270783A1 Method and apparatus for regeneration of hydrocarbon conversion catalyst |
| 06/20/1990 | EP0373578A2 Catalyst recovery |
| 06/19/1990 | US4935550 Catalytic metal recovery from non-polar organic solutions |
| 06/19/1990 | US4935121 Regenerating spent zeolite catalytic cracking catalysts with fluorine compound and passivating metal compound |
| 06/13/1990 | EP0372925A1 Minimising catalyst loss in the production of alcohols |
| 06/12/1990 | US4933095 Stable antimony compositions for the passivation of metal contaminated cracking catalysts |
| 06/12/1990 | CA2004961A1 Catalyst recovery |
| 06/08/1990 | CA2004894A1 Minimising catalyst loss in the production of alcohols |
| 06/07/1990 | DE3844214C1 Process for the recovery of rare metals from catalysts |
| 05/30/1990 | CN1042559A Process for catalysis reform in reacton zone with several parallel moving bed |
| 05/30/1990 | CN1042483A Treatment of rhodium catalysts |
| 05/29/1990 | US4929767 Pretreating an organic solution of a deactivated rhodium-phosphine complex to improve rhodium extractability into an aqueous solution; reuse |
| 05/29/1990 | US4929336 Treatment of spent cracking catalysts |
| 05/23/1990 | EP0369537A1 Process and apparatus for recovering heat energy from catalyst regenerator flue gases |
| 05/23/1990 | CN1008075B Process for improving efficiency of carrier silver catalyst |
| 05/22/1990 | US4927795 Passivation of metal contaminated cracking catalysts |
| 05/22/1990 | US4927794 Aqueous, ammonia, ammonium salt, hydrogen peroxide |
| 05/17/1990 | WO1990005114A1 Process for removal of soluble platinum group metal catalysts from liquid product mixtures |
| 05/16/1990 | EP0367873A1 Hydrocarbon conversion process using a regenerable fluoride-sensitive catalyst |
| 05/16/1990 | CN1042094A Regeneration of non-acid loading type platinum catalyst |
| 05/15/1990 | US4926004 Treatment with oxidizer to remove carbon deposits |
| 05/15/1990 | US4925997 Oxidative conversion of organic compounds, toluene and acetonitrile |
| 05/15/1990 | US4925819 Type l zeolite containing group 8 noble metal |
| 05/15/1990 | US4925640 Method for denitration of exhaust gas containing arsenic compounds by catalysts and method |
| 05/09/1990 | EP0367492A2 Process for removal of soluble platinum group metal catalysts from liquid product mixtures |
| 05/08/1990 | US4923834 Fluid catalytic cracking |
| 05/02/1990 | EP0366525A1 Catalytic reforming process in several juxtaposed moving bed reaction zones |
| 05/02/1990 | EP0366084A1 Process for the treatment of quaternary onium salts and its application to the preparation of hexafluoropropylene oxide |
| 05/02/1990 | CN1041750A Chemical conversion process |
| 05/02/1990 | CN1007784B Process and apparatus for simultaneously regenerating and cooling fluidized particles |
| 05/01/1990 | US4921946 Hydrocarbon conversion process |
| 04/25/1990 | EP0364697A1 Process for preparing ether-carboxylic acids and salts |
| 04/24/1990 | US4919790 By combustion to remove coke, treatment with alkali metal or alkaline earth carbonates, steaming and convert to hydrogen form |
| 04/19/1990 | WO1990003841A1 Treatment of rhodium catalysts |
| 04/18/1990 | EP0364153A1 Metal fabrics |
| 04/17/1990 | US4918201 Process for preparation of maleic anhydride |
| 04/12/1990 | CA2000349A1 Metal fabrics |
| 04/11/1990 | CN1007492B Technology for recirculating use of catalyst |
| 04/06/1990 | CA2000196A1 Treatment of rhodium catalysts |
| 04/03/1990 | US4914236 Condensation of aniline and formaldehyde in the presence of water and reusable acid catalyst; hydrophobic solvent extraction |
| 04/03/1990 | US4914068 Process for the dispersion of Group VIII metals in large pore zeolite catalysts |
| 03/28/1990 | CN1040825A Catalytic metal recovery from non-polar organic solutions |
| 03/20/1990 | US4910175 Catalyst recovery |
| 03/13/1990 | US4908341 Method for reactivating spent catalyst by contact with one or more aromatic compounds |
| 03/07/1990 | EP0356901A1 Process for preparing mixtures of ether-carboxylic acids and salts |
| 02/28/1990 | EP0356197A1 Process conditions for operation of ignition catalyst for natural gas combustion |
| 02/28/1990 | EP0355809A1 Process for preparing ether-carboxylic acids and salts |
| 02/28/1990 | EP0355807A2 Process for the manufacture of ether carboxylic acids |