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)
11/1999
11/10/1999EP0954725A1 Method and means for purifying air with a regenerable carbon cloth sorbent
11/10/1999EP0954370A1 Reduction of nitrogen oxide
11/10/1999EP0954369A1 Process for treating gas with ultra-lean amine
11/10/1999EP0954368A1 Method and installation for eliminating gaseous organic substances in the air
11/10/1999EP0954367A1 Improved fluid fractionator
11/10/1999EP0954366A1 Inlet structures for introducing a particulate solids-containing and/or solids-forming gas stream to a gas processing system
11/10/1999EP0823859B1 Process for purifying gas streams
11/10/1999CN2347650Y High-efficiency anti-corrosion wearing desulfurizing dust remover
11/10/1999CN2347649Y Adsorption and desorption purifying device
11/10/1999CN2347648Y Low-noise oil spray purifier for hotel
11/10/1999CN2347647Y Water-seal dust-removing tower
11/10/1999CN2347646Y Tower for eliminating smoke and dust
11/10/1999CN1234485A Smoke-eliminating energy-saving desulfurizing machine
11/10/1999CN1234473A Operation method of waste gas treatment apparatus containing sulfur-collecting agent and oxynitride storage catalyst
11/10/1999CN1234464A Dry powder pepared by paper-making black liquor, preparation method and use in treating pollution
11/10/1999CN1234289A Storage material for sulfur oxides
11/10/1999CN1234288A Method and apparatus for adsorption seperation of gas mixer
11/10/1999CN1046251C Ceramic-metal compound film reactor, preparation and use thereof
11/10/1999CN1046213C Normal temp. zinc oxide desulfurizing agent and preparing method therefor
11/10/1999CN1046211C Process for treatment of exhaust gas
11/09/1999US5981427 Forming a slurry of a liquid vehicle and a catalyst, atleast one first platinum group precious metal component supported on first high surface area support and second precious metal supported one second high surface area support
11/09/1999US5981266 Efficient anaerobic process by charging reaction vessel with chemoautotrophic bacteria, maintaining heating temperture, pressurizing with malodorous gas stream, oxidizing sulfide to elemental sulfur; pollution control
11/09/1999US5980857 Production of carbon monoxide from syngas
11/09/1999US5980856 Adsorbing agents of acidic substances, anion exchangers, infrared absorption agents for agricultural films, deodorants and recording media for ink jet
11/09/1999US5980848 Method for production of sodium bicarbonate, sodium carbonate and ammonium sulfate from sodium sulfate
11/09/1999US5980847 Method for removing nitrogen oxide
11/09/1999US5980846 Desulfurizing the coal or oil with an adsorbent, regenerating the adsorbent with oxygen to form sulfur dioxide, absorbing the sulfur dioxide and precipitate a gypsum-containing compound within the reactor
11/09/1999US5980845 Reacting ethanedial with amines, amine carbonates, or other derivatives of amines to form a high sulfide scavenger, for reducing or eliminating solids formation
11/09/1999US5980844 SO2 -tolerant silver oxide catalysts
11/09/1999US5980843 Method and apparatus in catalytic reactions
11/09/1999US5980840 Exothermic and endothermic chemical conversions with heat exchanging; combustion of hydrocarbons
11/09/1999US5980616 Filter media for preventing carbon migration
11/09/1999US5980615 Compact air dryer
11/09/1999US5980612 Removing filter from system and installing in chamber; heating to desorb and vaporize impurities; removing vaporized contaminants from chamber
11/09/1999US5980611 Air purification process
11/09/1999US5980610 Apparatus and method for improving electrostatic precipitator performance by plasma reactor conversion of SO2 to SO3
11/09/1999US5980609 Hydrogen recovery process
11/09/1999US5980599 In-tank purifier with bypass for filling
11/09/1999US5979470 Using a water soluble metal vanadate
11/09/1999US5979440 Methods and apparatus to generate liquid ambulatory oxygen from an oxygen concentrator
11/09/1999US5979181 Separation gases, liquids
11/09/1999US5979180 Solvent extraction; heat exchanging
11/09/1999US5979179 Controlled cooling, heating
11/09/1999US5979159 Exhaust after-treatment system for automotive vehicle
11/09/1999US5979054 Method of forming a sidewall for a reactor for oxidizing volatile or semi-volatile organic compounds
11/09/1999CA2159521C Method for desulfurizing exhaust gas
11/09/1999CA2157565C Method for removing sulphur oxides from flue gases of a boiler plant
11/09/1999CA2097975C Gas processing device through contact with solid particles
11/07/1999CA2237011A1 Integrated air conditioning system with hot water production
11/04/1999WO1999055623A1 Electrochemical treatment of materials
11/04/1999WO1999055621A1 Method for the catalytic decomposition of n2o
11/04/1999WO1999055620A1 Reactive matrix for removing moisture from a fluorine containing gas and process
11/04/1999WO1999055459A1 Monolithic catalysts and related process for manufacture
11/04/1999WO1999055446A1 Process and apparatus for reducing the nitrogen oxide content in exhaust gases by the controlled addition of nh3
11/04/1999WO1999055445A1 Method and device for catalytic reduction of nitrogen oxides in the waste gas of a combustion facility
11/04/1999WO1998041310A8 Process for the removal of contaminants from a gas, using a gas cleaning agent
11/04/1999DE19919117A1 Packing for scrubbing and rectification columns
11/04/1999DE19820174A1 Extraction of aerosol particles from air
11/04/1999DE19820171A1 Arrangement for stabilizing a scrubbing water system
11/04/1999DE19819372A1 Verfahren zur Verminderung des Stickoxidgehaltes der Abgase eines Verbrennungsmotors A process for reducing the nitrogen oxide content of the exhaust gases of a combustion engine
11/04/1999DE19819121A1 Granulate used for filtering air from biofilter or biochamber
11/04/1999DE19819083A1 Exhaust gas catalyst with ceramic monolith
11/04/1999DE19817994A1 Verfahren und Vorrichtung zur Reinigung von Stickoxid (NO¶x¶) enthaltendem Abgas eines Verbrennungsmotors Method and device for purifying nitrogen oxide (NO¶x¶) -containing exhaust gas of an internal combustion engine
11/04/1999DE19812960C1 Membrane drying system for compressed air
11/03/1999EP0953739A2 Exhaust gas treating process and device for an internal combustion engine equipped with a SCR-catalytic converter
11/03/1999EP0953738A2 Exhaust emission control system of internal combustion engine
11/03/1999EP0953554A1 Process and apparatus for producing fertilizer from sulfur oxide-containing gas
11/03/1999EP0953376A1 Method to control the injection of hydrocarbons in the exhaust pipe of an internal combustion engine
11/03/1999EP0953375A2 Process for decreasing the nitrogen oxide content in combustion engine exhaust gases
11/03/1999EP0953374A1 Method for purifying effluent gases
11/03/1999EP0953373A2 Process for removal of impurities from a gas stream
11/03/1999EP0952962A1 Zeolite ssz-47
11/03/1999EP0952883A1 High frequency pressure swing adsorption
11/03/1999EP0952881A1 Reactor gasifying engine particulates and unburned hydrocarbons
11/03/1999EP0865567B1 A single mode resonant cavity
11/03/1999CN2346494Y Smoke, SO2 absorbing appts, by seawater process
11/03/1999CN2346493Y Integral energy saving dusting and desulfuring appts.
11/03/1999CN2346491Y Double-striking desulfuring duster
11/03/1999CN2346490Y Smoke removing, dusting and desulfuriing purifier
11/03/1999CN1233788A Apparatus for filtering solvent of liquid electrophtographic printer
11/03/1999CN1233643A Method and equipment for treating waste matter
11/03/1999CN1233533A Process for coating of flow channels of honeycomb form catalystic converter carrier with dispersion coating
11/03/1999CN1233526A Method for removing halogen-contd. compound in gas or liquid using composite catalyst contg. at least one metallic element
11/03/1999CN1233522A Apparatus removing gaseous pollutants for gas
11/03/1999CN1046096C Process for removing elemental sulfur from gas stream
11/02/1999US5977427 Method for destroying organohalogen compounds
11/02/1999US5977017 Perovskite-type metal oxide compounds
11/02/1999US5977012 Alloyed metal catalysts for the reduction of NOx in the exhaust gases from internal combustion engines containing excess oxygen
11/02/1999US5976868 Process for the treatment of gases
11/02/1999US5976477 Reaction control method using carbon soot molecules and organometallic complexes in excited state
11/02/1999US5976476 In combination with platinum, rhodium, palladium, ruthenium or iridium.
11/02/1999US5976475 Reducing NOx emissions from an engine by temperature-controlled urea injection for selective catalytic reduction
11/02/1999US5976467 Airborne contaminant indicator
11/02/1999US5976376 Sewage treatment process
11/02/1999US5976373 Removal of hydrogen sulfide from anaerobic digester gas
11/02/1999US5976324 Removal of water from reaction mixtures
11/02/1999US5976223 Solid electrolyte ionic conductor systems for oxygen, nitrogen, and/or carbon dioxide production with gas turbine
11/02/1999US5976222 Recovery of perfluorinated compounds from the exhaust of semiconductor fabs using membrane and adsorption in series
11/02/1999US5976221 Apparatus for separating a gas mixture into components by permeation through a membrane.
11/02/1999US5976220 That uses a membrane to exchange gas constituents through a diffusion process while substantially blocking particle transfer.
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