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