Patents for B01D 53 - Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases or aerosols (135,933) |
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09/16/1998 | EP0864352A2 Process for cleaning exhaust gas from a combustion device |
09/16/1998 | EP0864351A2 Air separation |
09/16/1998 | EP0864350A2 Gas separation |
09/16/1998 | EP0864349A2 A process and apparatus for treating gas |
09/16/1998 | EP0863846A1 Composition based on zirconium oxide and cerium oxide, preparation method therefor and use thereof |
09/16/1998 | EP0863790A1 Flue-gas cleaning installation |
09/16/1998 | EP0863789A1 Catalyzed packing material for regenerative catalytic oxidation |
09/16/1998 | EP0797689B1 Gas removal device |
09/16/1998 | EP0739310B1 Method and device for producing high-purity gypsum |
09/16/1998 | CN2291197Y Dust-removing and desulfurizing integrated device with multiple venturi ceramic pipe |
09/16/1998 | CN2291196Y High-efficiency purifying device |
09/16/1998 | CN2291195Y Structure improved catalyst converter device |
09/16/1998 | CN2291193Y Desulfurizing dust remover |
09/16/1998 | CN2291191Y Boiler flue desulfurizing and dust-removing purifier |
09/16/1998 | CN1193373A Catalyst for reducing hydrocarbons in the exhaust gases of a motor vehicle |
09/16/1998 | CN1193097A Air separation |
09/16/1998 | CN1192944A Process for preparing oxidate zeolite and application as catalyst thereof |
09/16/1998 | CN1039790C Method for absorbing sulfur dioxide from waste water treated by biochemical process |
09/16/1998 | CN1039789C Method for handling exhaust gas in coal-burnt boiler |
09/15/1998 | US5808072 Redox catalyst ligands |
09/15/1998 | US5807528 Catalyst for purifying exhaust gas |
09/15/1998 | US5807526 Device for removal of SO2 and NOx from flue gases by high frequency discharge by Tesla coil or other high voltage and high frequency generator |
09/15/1998 | US5807491 Electron beam process and apparatus for the treatment of an organically contaminated inorganic liquid or gas |
09/15/1998 | US5807466 Fuel injection system and method for treatment of NOx in a corona discharge pollutant destruction apparatus |
09/15/1998 | US5807424 Regenerative adsorption filter bed for exhauster hoods |
09/15/1998 | US5807423 Process and apparatus for gas separation |
09/15/1998 | US5807422 Precompression, dehydration system |
09/15/1998 | US5807410 Process for removing elemental sulfur from a gas stream |
09/15/1998 | US5806886 Containing oxidizer and oxidation catalyst |
09/15/1998 | US5806323 Adsorbent based air conditioning system |
09/15/1998 | US5806322 Refrigerant recovery method |
09/15/1998 | US5806305 Method for improving the conversion efficiency of a catalytic converter |
09/15/1998 | CA2098044C Particulate collection device with integral wet scrubber |
09/15/1998 | CA2052856C Process for purifying high-temperature reducing gases |
09/13/1998 | CA2231987A1 Process for selective reduction of nox in exhaust gas |
09/11/1998 | WO1998039649A1 Reactive gas sampling/analyzing hygrometry system |
09/11/1998 | WO1998039247A1 Tank ullage pressure control |
09/11/1998 | WO1998039093A1 Natural silicates with fibrous structure |
09/11/1998 | WO1998039083A1 Catalytic converter system for diesel engine emission control |
09/11/1998 | WO1998039082A1 Process for eliminating pollutants from combustion gas |
09/11/1998 | WO1998039081A1 Air cleaner element having incorporated sorption element |
09/11/1998 | WO1998039078A1 Method and apparatus utilizing hydrocarbon pollutants |
09/11/1998 | WO1998038865A1 Method, composition and system for the controlled release of chlorine dioxide gas |
09/11/1998 | WO1998032956A3 Catalytic converter having a catalyst with noble metal on molecular sieve crystal surface and methods of making same |
09/10/1998 | DE19710305A1 Compressed air drying assembly with integrated monitoring in processor-controlled adsorption drying unit |
09/10/1998 | DE19708549A1 Gas purification apparatus |
09/09/1998 | EP0863375A1 Process for separating Krypton and Xenon from fluorine and/or chlorine containing impurities |
09/09/1998 | EP0863218A1 A method and apparatus for germanium reclamation from chemical vapor deposition exhaust gas streams |
09/09/1998 | EP0863197A1 A process for producing gasoline, diesel fuel and carbon black from waste rubber and/or waste plastics |
09/09/1998 | EP0862941A2 An exhaust gas purification device for an internal combustion engine |
09/09/1998 | EP0862940A1 Multi-stage three way catalyst system |
09/09/1998 | EP0862939A2 Flue gas treating process and system |
09/09/1998 | EP0862938A1 PSA process for removal of nitrogen oxides, carbon dioxide and water from gas |
09/09/1998 | EP0862937A2 Temperature swing adsorption |
09/09/1998 | EP0862936A2 The use of zeolites and alumina in adsorption processes |
09/09/1998 | EP0862490A1 A fume-filtration system having a moving bed of stone chippings |
09/09/1998 | EP0831978A4 On-site ammonia purification for semiconductor manufacture |
09/09/1998 | CN2290394Y Separating electrostatic duster |
09/09/1998 | CN2290393Y Horizontal pressure changing absorbing gas packed column |
09/09/1998 | CN2290392Y Pressure changing absorbing gas separating appts. |
09/09/1998 | CN2290389Y High effective vertical fume and smoke purifying unit |
09/09/1998 | CN1192797A Exhaust manifold with internal catalytic converter |
09/09/1998 | CN1192723A Method and device for processing hydrogen sulphide-contg. gas, comprising a cooling step for crystallised sulphur removal |
09/09/1998 | CN1192705A Vapor recovery system with automatic valve control |
09/09/1998 | CN1192423A Method for obtg. Kr and Xe |
09/09/1998 | CN1192384A Apparatus for processing gas by electron beam |
09/09/1998 | CN1039699C Process for supplying nitrogen to at least two user stations needing different nitrogen purity |
09/09/1998 | CN1039677C Process for desulfuration of flue gases |
09/08/1998 | US5804526 Mixture of polycrystalline aggregates of cerium oxide and dealuminized zeolite zsm-5; |
09/08/1998 | US5804155 Adsorbing the hydrocarbons on zeolites at a low adsorption temperature range; releasing the hydrocarbons from the zeolite at a high release temperature range; oxidizing |
09/08/1998 | US5804152 Purifying nitrogen oxides in automobile exhausts by oxidizing carbon monoxide and hydrocarbons |
09/08/1998 | US5804149 Gas-cleaning equipment and its use |
09/08/1998 | US5804148 Engine exhaust purifier |
09/08/1998 | US5804147 Efficiency, pollution control; two substrates coated with oxidation catalyst |
09/08/1998 | US5804146 Chemical oxygen generator |
09/08/1998 | US5804055 Electrode, electrochemical cell and electrochemical processes |
09/08/1998 | US5803995 Calcium-aluminum system hydrogen absorbing alloy |
09/08/1998 | US5802868 Saddle type adsorbent unit |
09/08/1998 | US5802845 Exhaust gas purification system and exhaust gas purification method |
09/03/1998 | WO1998038222A2 Cyclodextrin modifications with molecular channels, method for the production and use thereof |
09/03/1998 | WO1998038132A1 Zeolitic molecular sieve, process for its preparation and its use |
09/03/1998 | WO1998037947A1 Wet scrubbing spray apparatus and method for removing sulfur oxides from combustion effluents |
09/03/1998 | WO1998019777A3 Membrane module for substance-specific fluid treatment |
09/03/1998 | WO1998018538A3 Adsorption drying unit, and process and device for checking the operating state of same |
09/03/1998 | DE19807573A1 Washable fibrous product with free carboxyl groups for rapid absorption of alkaline gas |
09/03/1998 | DE19805295A1 Regeneration of denitrification catalyst especially to remove deposit containing silica |
09/03/1998 | DE19735389C1 Chemical reactor for adsorptive separation processes has upright cylindrical mantle |
09/03/1998 | DE19708350A1 Decontamination of catalyst in low temperature removal of polychlorinated dibenzo-p-dioxin |
09/03/1998 | DE19708149A1 Electrodeless discharge tube containing mercury and noble gas mixture |
09/03/1998 | DE19708085A1 Zeolitisches Molekularsieb, Verfahren zu dessen Herstellung und dessen Verwendung Zeolitic molecular sieves, to processes for its preparation and its use |
09/03/1998 | DE19707884A1 Flue gas treatment from waste incineration plants |
09/03/1998 | DE19707792A1 Separation of dissolved and/or emulsified and volatile contaminants from aqueous media |
09/03/1998 | CA2281663A1 Wet scrubbing spray apparatus and method for removing sulfur oxides from combustion effluents |
09/02/1998 | EP0862036A2 Heat exchanger of gas-liquid contacting plate type |
09/02/1998 | EP0861973A1 Exhaust gas purifying device for engine |
09/02/1998 | EP0861972A1 Exhaust emission control device for internal combustion engines |
09/02/1998 | EP0861916A1 Process for making a stainless steel strip rich in aluminium especially suitable for a catalytic converter support for a motor vehicle |
09/02/1998 | EP0861803A1 Fixed bed temperature swing catalytic process for chemical reactions |
09/02/1998 | EP0861683A2 Process and apparatus for abating effluent gases |
09/02/1998 | EP0861367A1 Method and device for purifying exhaust gas of engine |