Patents
Sitemap › B01 - Physical or chemical processes or apparatus in general › B01D - Separation › 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
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)
03/1990
03/28/1990EP0359931A1 Process and apparatus for separating vaporous heavy metal compounds from a carrier gas
03/28/1990EP0359787A1 Process and installation for denitrifying furnace flue gases
03/28/1990EP0359779A1 Compressed air carbon monoxide filter.
03/28/1990EP0261116B1 Method of recovering alkaline chemicals from flue gases containing alkaline metal vapor
03/28/1990CN1040744A Removal of hydrogen sulfide from fluid streams
03/27/1990US4912776 Process for removal of NOx from fluid streams
03/27/1990US4912077 Catalytically active materials and method for their preparation
03/27/1990US4912070 Continuously porous absorbent material possessing far infrared electromagnetic field
03/27/1990US4911901 Wet desulfurization process for treating a flue gas
03/27/1990US4911900 Reduction using ammonia; scrubbing
03/27/1990US4911894 Catalytic air cleaner
03/27/1990US4911845 Process and apparatus for separation of volatile components
03/27/1990US4911825 Catalytic hydrogenation
03/27/1990US4911775 Method of manufacturing dehumidifier element
03/27/1990CA1267128A1 Catalyst for reducing the nitrogen oxide content of flue gases
03/27/1990CA1267057A1 Air line vapor trap
03/27/1990CA1266959A1 Treatment of solids containing calcium salt of sulfuric oxyacid and method of purifying exhaust gas utilizing same
03/22/1990WO1990002600A1 Process and installation for recovering ammonia from flue gases
03/22/1990WO1990002599A1 Process for recovering nitrogen from gaseous mixtures containing oxygen and nitrogen by alternating pressure adsorption on carbon molecular sieves
03/22/1990DE3831616A1 Process for the production of support bodies for catalytic reactors for exhaust gas purification
03/21/1990EP0370077A4 Ammonia scrubbing.
03/21/1990EP0359629A1 Process and apparatus for the simultaneous production of hydrogen and carbon monoxide
03/21/1990EP0359628A1 Process and installation for the recuperation of the most heavy hydrocarbons in a mixture of gases
03/21/1990EP0359503A2 A method of adsorption
03/21/1990EP0359412A2 Vehicle exhaust gas catalysts
03/21/1990EP0359286A2 Method by reduction of nitrogen oxide
03/21/1990EP0359182A1 Hollow fiber multimembrane cells and permeators
03/21/1990EP0359175A1 Method for gas sepration using helically wound hollow fibers permeable membrane cartridge
03/21/1990EP0359149A1 Membrane unit turn-down control system
03/21/1990EP0358962A1 Adsorption dryer
03/21/1990EP0358919A1 Device for heating or combustion installations
03/21/1990EP0358915A2 Prevention of membrane degradation
03/21/1990EP0358912A1 Catalyst consisting of a system of metallic layers for eliminating hydrogen from gaseous mixtures
03/21/1990EP0358821A1 White colored deodorizer and process for producing the same
03/21/1990EP0358714A1 Process for helium enrichment
03/21/1990EP0358700A1 Process for extraction of helium
03/21/1990CN1040518A Catalyst for treating gaseous fluid material and process for treating them
03/21/1990CN1040514A Process for destroying hydrides present in residual gas and catalyst therefor
03/20/1990US4910180 Catalyst and process for its preparation
03/20/1990US4910011 Oxidation, catalytic reduction, scrubbing
03/20/1990US4910008 Gas-gas phase contactor
03/20/1990US4910007 Ammonia synthesis
03/20/1990US4910005 Process for the reduction of nitrogen oxides from exhaust gases
03/20/1990US4910004 Mordenite catalyst
03/20/1990US4910003 Process for selective removal and destruction of hydrogen cyanide from nitrous-containing gases
03/20/1990US4910002 Cyclic process for the removal of NOx and SOx from gas streams using a water-soluble, polymeric chelate of a polyvalent metal and membrane separation means
03/20/1990US4910001 Cleaning agent; mixture of manganese dioxide, cupric oxide silver compound
03/20/1990US4909945 Method for increasing the size of elemental sulfur particles produced by a hydrogen sulfide removal process
03/20/1990US4909815 Flat elongated base; cabinet supported by base; hood
03/20/1990US4909810 Vapor permselective membrane
03/20/1990US4909318 Method and apparatus for recovering heat from flue gases and for cleaning the same
03/20/1990CA1266854A1 Bonded adsorbent structures and respirators incorporating same
03/20/1990CA1266759A1 No reduction using sublimation of cyanuric acid
03/20/1990CA1266758A1 Production of sulfur from an oxygen enriched claus system
03/15/1990DE3928725A1 Purifying liq. by vacuum pumping of gas - into drying and absorbent filters via multi-way valve
03/15/1990DE3831300A1 Process and apparatus for treating SO2-containing exhaust gases
03/15/1990DE3830618A1 Reactor for purifying industrial exhaust gases
03/15/1990DE3830289A1 Method and device for composting organic substances
03/14/1990EP0358551A1 Method and apparatus for separating a constituent from a mixture of gases
03/14/1990EP0358359A2 Refrigerated containers
03/14/1990EP0358316A2 Ostomy bag and gas filter for same
03/14/1990EP0358125A2 Exhaust gas catalyst having a reduced tendency of accumulating sulphur dioxide and hydrogen sulphide emissions
03/14/1990EP0358124A2 Catalyst for cleaning exhaust gases from combustion engines with reduction of hydrogen sulphide emission, production and use
03/14/1990EP0358123A2 Catalyst for separating noxious matter from exhaust gases of combustion engines mainly powered by alcohol, production process and use
03/14/1990EP0358110A2 Process and apparatus for treating, especially separating gas mixtures
03/14/1990EP0358006A1 Method and apparatus for purifying waste gases from dryers
03/14/1990EP0357960A1 Process and device for purifying waste gases by washing with a suspension of adsorbents
03/14/1990EP0357924A1 Process for removing hydrogen sulfide with special iron oxides
03/14/1990EP0357897A1 Apparatus for continuously cleaning spent air containing a solvent
03/14/1990EP0357832A1 Combined adsorption rectifying process for separating fluids of a mixture
03/14/1990EP0357693A1 Molecular sieve arrangement.
03/14/1990CN2054370U Combined liquid distributing unit
03/14/1990CN2054369U Low-resistance dispersing type falling film liquid distributing unit
03/14/1990CN2054368U Liquid foamless distributing unit for stuffing tower
03/14/1990CN2054367U Multi-hole turntable liquid fixing contraflow fluidizing tower
03/14/1990CN1040328A Composite membranes and their manufacture and use
03/14/1990CN1007131B Bed packing material and the use
03/14/1990CN1007125B Column and process for gas/liquid contact
03/13/1990US4908195 Adding dry solid absorbent to gas stream containing dust, hydrogen chloride, and sulfur and nirtogen oxides
03/13/1990US4908194 Method for baghouse brown plume pollution control
03/13/1990US4908193 Contacting exhaust gas stream with gaseous hydrogen cyanate
03/13/1990US4908192 Vehicle exhaust gas systems
03/13/1990US4908191 Burning arsine in the presence of oxygen to form arsenic oxide, removing arsenic oxide by washing gas stream, recovering water, recirculating, precipitating arsenic oxide
03/13/1990US4908132 Fluid tight cylindrical body, desiccant core, baffle plate, resilient core support in recess of baffle, refrigerant pervious pad, biasing means
03/13/1990US4907406 Combined gas turbine plant
03/13/1990CA1266638A1 Process for the removal of h.sub.2s from geothermal steam and the conversion to sulfur
03/13/1990CA1266621A1 Trace vapour concentrator
03/08/1990WO1990002252A1 Catalytic conversion device
03/08/1990WO1990001990A1 Vehicle exhaust gas catalysts
03/08/1990WO1990001984A1 Removal of hydrogen sulfide from fluid streams
03/08/1990EP0334903A4 Method of reducing the oxides of nitrogen in fossil fuels combustion and combustion products effluents.
03/08/1990DE3828983A1 Scrubbing apparatus for tank breathing gases of tanker vehicles
03/08/1990DE3827996A1 Zweistufiges oxidierendes gaswachsystem fuer kovalente hydride Two-stage oxidizing gas monitoring system for covalent hydrides
03/07/1990EP0357506A1 Catalysts for treating gaseous affluents, and process for treating the same
03/07/1990EP0357160A2 Process and apparatus for gas treatment
03/07/1990EP0356907A2 Carrier body for a catalytic reacter for cleaning exhaust gas
03/07/1990EP0356861A2 Separation of gas mixtures by vacuum swing adsorption (VSA) in a two-adsorber-system
03/07/1990EP0356698A2 Method and apparatus for cleaning atmosphere gas used in making high-purity fine particles of reactive metals
03/07/1990EP0356693A2 Process and apparatus for producing sulfuric acid
03/07/1990EP0356658A2 Process for the desorption of adsorbents containing harmful substances, and apparatus for carrying out the process
1 ... 1240 1241 1242 1243 1244 1245 1246 1247 1248 1249 1250 1251 1252 1253 1254 1255 1256 1257 1258 1259 1260 ... 1360