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)
05/1988
05/05/1988WO1988003051A1 Composition for acid gas absorbent
05/05/1988WO1988003049A1 Filter device with liquid-wetted filter elements
05/05/1988DE3637518A1 Process for separating off acidic constituents downstream of fossil fuel plants
05/05/1988DE3637395A1 Apparatus for the dinitration of flue gases
05/05/1988DE3636976A1 Process for separating a substance from a mixture of substances
05/05/1988DE3635843A1 Process for separating off ammonia from exhaust air or waste water
05/05/1988DE3628096A1 Gas purificn. - using graphite as catalyst support and energy recovery, while protecting catalyst from overheating
05/05/1988DE3626356A1 Method for increasing the gas dynamics and pollutant gas elimination by additive interactions on elemental particles and electric charges for optimising molecular and atomic transition probability in internal combustion engines (isobaric processes)...
05/04/1988EP0266271A1 Process for membrane separation of gas mixtures
05/04/1988EP0266087A2 Device and method for separating individual fluids from a mixture of fluids
05/04/1988EP0266051A1 Oxygen enriching apparatus with means for regulating oxygen concentration of oxygen enriched gas
05/04/1988EP0265899A2 Crosslinked polyimide gas separation membranes
05/04/1988EP0265898A2 Polyimide gas separation membranes
05/04/1988EP0162140B1 Device for producing a continuous stream of dried gas for a drying funnel
05/04/1988CN87206905U Welding smoke and dust filtering device
05/04/1988CN87106740A Catalyst for purifying motor vehicle exhaust gases and process for production thereof
05/04/1988CN87105896A Improved process for removal of acid gases from gas mixtures
05/03/1988US4742177 Tough, flexible polymers for oxygen enrichment
05/03/1988US4742038 Purification of exhaust gases; stainless steel substrate with oxide membrane on surface
05/03/1988US4742037 Catalyst for reductive conversion of nitrogen oxides in waste gases
05/03/1988US4742036 Catalyst plate
05/03/1988US4741890 Gas scrubbing method
05/03/1988US4741889 Process for adsorptive removal of substances from flue gases
05/03/1988US4741888 H2 S removal from gas streams
05/03/1988US4741884 Process and apparatus for removing H2 S from gas streams
05/03/1988US4741882 Adsorption of radioactive gases
05/03/1988US4741745 Process for separation of carbon dioxide from other gases
05/03/1988US4741156 Releasing hydrogen from meta (alloy) hydride to produce heat
05/03/1988CA1235886A1 Generation of anaerobic or microaerophilic atmosphere
05/03/1988CA1235885A1 Selective absorbtion of so.sub.2 from gases containing the same
05/03/1988CA1235884A1 Method and apparatus for desulfurizing flue gas in fuel oil firing systems
05/03/1988CA1235883A1 Sulfur oxide and particulate removal process and system
05/03/1988CA1235882A1 Process for simultaneously removing nitrogen oxide, sulfur oxide, and particulates
05/03/1988CA1235880A1 Degradation of polycyclic aromatic hydrocarbons adsorbed over chrysotile asbestos
04/1988
04/28/1988DE3636451A1 Chemisorption filter for separating off carcinogenic substances such as dioxin, furan, formaldehydes, PAHs, benzopyrene and other toxic substances
04/28/1988DE3636250A1 Process and apparatus for eliminating gaseous impurities from a crude gas
04/28/1988DE3636142A1 Air drier for compressed-air systems
04/28/1988DE3635284A1 Katalysator zur entfernung von stickoxiden aus abgasen Exhaust gas catalyst for removing nitrogen oxides from
04/27/1988EP0265032A2 Catalytic converter with multiple removable catalyst panels
04/27/1988EP0264696A2 Mass exchange apparatus
04/27/1988EP0264669A1 Apparatus for the receipt of pourable bulk material
04/27/1988EP0264647A1 Combustion plant with a device for decreasing nitrogen oxide in fumes
04/27/1988EP0264581A1 Device for the distribution of liquids in mass and heat transfer columns
04/27/1988EP0264580A1 Process and device for desulfurisation of flue gas
04/27/1988EP0264523A2 Method of separating gaseous mixture
04/27/1988EP0264443A1 No reduction using sublimation of cyanuric acid
04/27/1988CN87106270A Production method and relevant glue for the asymmetrical gas separating membrance with gradient density surface layer
04/26/1988US4740408 For purifying exhaust gases
04/26/1988US4740378 Control of atmosphere in for example fruit stores
04/26/1988US4740362 Regeneration and use of SO2 gas scrubber liquid in dual alkali system
04/26/1988US4740361 Process for removing metal carbonyls from gaseous streams
04/26/1988US4740360 Process for preparing supported catalyst systems
04/26/1988US4740219 Cellulose acetate with silicalite
04/26/1988US4739826 Apparatus for preheating combustion air, accompanied by simultaneous reduction of NOx contained in the flue gases
04/26/1988US4739715 Process and device for reinjecting flown-off particles into a solid fuel boiler
04/26/1988US4739713 Establishing different air to feed gas ratios in different zones of burner
04/26/1988CA1235566A1 Scrubbing of sulfur dioxide with lime slags
04/21/1988WO1988002660A1 Method of catalytic cleaning of waste gases
04/21/1988WO1988002659A1 Catalyst for removing nitric oxides from exhaust gases
04/21/1988WO1988002658A1 Moisture remover in compressed air system
04/21/1988DE3724099A1 Gas-foam scrubber
04/21/1988DE3635092A1 Chemisorption filter having a rigid case and compressible surface seal
04/21/1988DE3635048A1 4-Stage flue gas scrubber having integrated heat recovery for small boiler units
04/21/1988DE3634526A1 Process for removing H2S and CO2 from compressed gases
04/21/1988DE3634335A1 Catalyst material for decreasing the nitrogen oxides in flue gases
04/21/1988DE3634126A1 Scrubbing tower having a scrubbing tower shell for a flue-gas desulphurisation plant
04/20/1988EP0264176A1 Continuous recovery of sulfur from flue gas
04/20/1988EP0264041A2 Process and plant for the recuperation of ammoniac by separating nitrogen oxides from flue gases
04/20/1988EP0264000A1 Catalyst support material
04/20/1988EP0263992A1 Method of treating waste water resulting from the desulfurization of flue gases
04/20/1988EP0263975A2 Open-cell foamed gypsum absorbents
04/20/1988EP0263923A1 Process for purifying flue gases
04/20/1988EP0263872A1 Alkaline earth metal spinels and processes for making and using same.
04/20/1988CN87212963U Waste gas purifying column made of glass fibre reinforced plastic
04/20/1988CN87209112U Dust-removing and desulphurizing device of smoke from furnace or kiln
04/19/1988US4739458 Vehicle lamp device
04/19/1988US4738947 Three-way catalysts of improved efficiency
04/19/1988US4738946 High temperature stable catalyst and process for preparing same
04/19/1988US4738835 Gasification, rapid cooling by contact with recirculated solid particles separated from gas
04/19/1988US4738695 Gas removal system
04/19/1988US4738694 Process and plant for purification by adsorption on activated carbon and corresponding adsorber vessel
04/19/1988US4738693 Valve block and container for semiconductor source reagent dispensing and/or purification
04/19/1988US4738692 Gas drying apparatus
04/19/1988US4738691 Process for removal of impurities from a gas
04/14/1988DE3713973A1 Apparatus having a membrane module
04/14/1988DE3634612A1 Process and apparatus for drying a gas stream
04/14/1988DE3634537A1 NOx reactor for relatively small boiler units, preferably for the heating market
04/14/1988DE3633690A1 Process and apparatus for removing acidic gases, such as SO2, SO3, H2S, CO2 and/or COS, from hot gas mixtures
04/14/1988DE3633549A1 Chemisorption filter packages
04/14/1988DE3632720C1 Process for the reduction of nitrogen oxides
04/14/1988DE3601434A1 Apparatus and process for exhaust gas purification and catalysis from Carnot cycle engines and furnaces, and also for domestic fireplaces
04/13/1988EP0263514A2 Acryloxyorganosiloxane polymer
04/13/1988EP0263399A1 Process for the catalytic reduction of nitrogen oxides
04/13/1988EP0263317A1 Process for wet removal of sulfur dioxide
04/13/1988EP0263212A1 Method for removing water vapor from water vapor-containing gas
04/13/1988EP0263195A1 Method and apparatus for controlling denitration of exhaust gas
04/13/1988EP0263183A1 NH3-Injection controller
04/13/1988CN87211587U Cleaning device of spiral for flow-vessel
04/13/1988CN87106299A Process and device for sepparation and recovery of volatile solvents
04/13/1988CN87105406A Vehicle exhaust gas systems