| 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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| 04/18/1989 | US4822576 Removal of hydrogen sulfide from a carbon dioxide containing gas mixture |
| 04/18/1989 | US4822394 On site wet oxidation of municipal wastes producing carbon dioxide |
| 04/18/1989 | US4822387 Inverse flow depth filter assembly |
| 04/18/1989 | US4822384 Oxygen enriching apparatus with means for regulating oxygen concentration of oxygen enriched gas |
| 04/18/1989 | US4822383 Adsorber bed, desorption and removing condensate |
| 04/18/1989 | US4822382 Permselective gas separation; tetramethyl bisphenol a phthalates |
| 04/18/1989 | US4821737 Water separator |
| 04/18/1989 | CA1252608A1 Method and apparatus for selective absorption of hydrogen sulphide from gas streams containing hydrogen sulphide and carbon dioxide |
| 04/18/1989 | CA1252607A1 Method of simultaneous oxidation of carbon monoxide and unburned fuel in methanol vehicle exhaust |
| 04/13/1989 | DE3736223A1 Catalyst activation process for reaction temperature reduction by thermal treatment |
| 04/13/1989 | DE3733532A1 Process for disposing of a sewage sludge produced in wastewater purification |
| 04/13/1989 | DE3733501A1 Process for reducing emissions in the operation of stationary internal-combustion engines |
| 04/13/1989 | DE3733485A1 Process for cleaning pollutant-containing off-gases |
| 04/13/1989 | DE3733319A1 Process for removing sulphur dioxide from flue gases |
| 04/13/1989 | DE3732655A1 Heating furnace or water heater for burning solid, liquid or gaseous fuels |
| 04/13/1989 | DE3732651A1 Method for burning wastes in a fluidised-bed reactor |
| 04/13/1989 | DE3731892A1 Device for the continuous filtration of air by activated charcoal |
| 04/13/1989 | DE3731888A1 Filter element or catalyst element and process for the production thereof |
| 04/12/1989 | EP0311084A1 Oxidation of carbon monoxide and catalyst composition therefor |
| 04/12/1989 | EP0311066A2 Process for the production of copper-containing zeolite and the method of application thereof |
| 04/12/1989 | EP0310632A1 Cross-flow filtration device and method of making. |
| 04/12/1989 | EP0310608A1 Process for producing an active carbon catalyst. |
| 04/12/1989 | CN1032301A Method for removing pollution of harmful waste gas |
| 04/11/1989 | US4820678 Coating chromium-aluminum alloy tapes with rare earth metal salts, decomposition, oxidation; for car emission purification |
| 04/11/1989 | US4820492 Apparatus for denitration |
| 04/11/1989 | US4820456 Mass-transfer apparatus |
| 04/11/1989 | US4820455 Apparatus for redistribution of vapor and liquid in a packed column |
| 04/11/1989 | US4820391 Exhaust gas clean up process |
| 04/11/1989 | US4820318 Removal of organic compounds from gas streams using carbon molecular sieves |
| 04/11/1989 | US4820316 Method of foreseeing break-through in gas adsorbing apparatus |
| 04/11/1989 | CA1252451A1 Method of separating carbon monoxide and carbon monoxide adsorbent used in this method |
| 04/11/1989 | CA1252356A1 Method and device for the reinjection of exhausted particles in a solid fuel burning furnace |
| 04/11/1989 | CA1252269A1 Method and apparatus for disposal of toxic wastes by combustion |
| 04/06/1989 | WO1989003009A1 Processing nitrogen-rich, hydrogen-rich, and olefin-rich gases with physical solvents |
| 04/06/1989 | WO1989002978A1 Catalyzer with flow guiding body |
| 04/06/1989 | WO1989002870A1 Process for the reduction of nitrogen oxides in an effluent |
| 04/06/1989 | WO1989002782A1 Improved catalyst for treatment of exhaust gases from internal combustion engines |
| 04/06/1989 | WO1989002781A2 Process for nitrogen oxides reduction and minimization of the production of other pollutants |
| 04/06/1989 | WO1989002780A2 Multi-stage process for reducing the concentration of pollutants in an effluent |
| 04/06/1989 | WO1989002779A1 Reactor installation for countercurrent treatment of gases and bulk solids |
| 04/06/1989 | DE3805157C1 Process for the recovery of light hydrocarbons |
| 04/06/1989 | DE3732191C1 Method for treating the heat exchanger impinged with an ammonium sulphate-containing gas on washing |
| 04/06/1989 | DE3732025A1 Chemisorption filter for the elimination of tobacco smoke and solid and gaseous substances from breathing air |
| 04/06/1989 | DE3730922A1 Chemisorption composition for eliminating odours and smoke residues, preferably tobacco smoke |
| 04/06/1989 | DE3729126A1 Diesel soot-particle filter and process for the production thereof |
| 04/05/1989 | EP0310398A1 Improved catalyst for treatment of exhaust gases from internal combustion engines |
| 04/05/1989 | EP0310151A1 Apparatus for the precipitation of gaseous pollutants from exhaust gases |
| 04/05/1989 | EP0310064A2 CO-absorbing solution, process for absorbing and recovering CO |
| 04/05/1989 | EP0309910A2 Desulfuration masses containing zinc oxide |
| 04/05/1989 | EP0309848A2 Apparatus for dry scrubbing a hot gas and start-up process |
| 04/05/1989 | EP0309742A2 Process for removal of nitrogen oxides from a flue gas stream |
| 04/05/1989 | EP0309671A1 Exhaust heat exchanger system |
| 04/05/1989 | EP0309570A1 Process for the reduction of nitrogen oxides in an effluent using a hydroxy amino hydrocarbon |
| 04/05/1989 | EP0207986B1 Carrier matrix for collecting catalytically active compounds and production process |
| 04/05/1989 | CN1032115A Seperation method with adsorption |
| 04/05/1989 | CN1032114A Method and apparatus for recovery of solvent vapours from an air stream |
| 04/05/1989 | CN1032097A Apparatus and method for releasing gas into atmosphere |
| 04/04/1989 | US4818746 Metal catalyst carrier or support body rolled or laminated from metal sheets and having a double or multiple corrugated or wave structure |
| 04/04/1989 | US4818745 Alumina and magnesia and platinum metal |
| 04/04/1989 | US4818744 Process for the production of catalyzers and catalyzers for the removal of polluting components from the exhaust gases of internal combustion engines |
| 04/04/1989 | US4818740 Exposed surface of carrier does not exhibit alkaline properties; small specific area and low micro porosity |
| 04/04/1989 | US4818506 Gypsum scale inhibitors for flue gas desulfurization systems |
| 04/04/1989 | US4818505 Process for removing or separating pollutants from waste gases |
| 04/04/1989 | US4818496 Apparatus for treating a sulfur dioxide-containing gas |
| 04/04/1989 | US4818355 Splitting benzene ring with glow discharge; detoxification, air pollution control |
| 04/04/1989 | US4818345 Distillation apparatus |
| 04/04/1989 | US4818256 Steam scrubbing method and system for exhaust gases |
| 04/04/1989 | US4818255 Copper compound with benzoin or ascorbic acid |
| 04/04/1989 | US4817392 Process for the production of argon |
| 04/04/1989 | US4817391 Method and apparatus for producing a controlled atmosphere |
| 04/04/1989 | CA1251919A1 Method of and column for the desulfurization of industrial flue gases |
| 04/04/1989 | CA1251918A1 Process for the removal of h.sub.2s from a sour gaseous stream |
| 03/30/1989 | DE3830812A1 Verfahren zur entfernung von schadstoffen aus einem abgasstrom A process for removing pollutants from an exhaust gas stream |
| 03/30/1989 | DE3729683A1 Device for aftertreatment of the exhaust gases of small two-stroke spark ignition engines, and method for its manufacture |
| 03/29/1989 | EP0309099A1 Method for cleaning gas containing toxic component |
| 03/29/1989 | EP0308991A1 Measuring cell for a photometer capable of resisting high pressures and temperatures |
| 03/29/1989 | EP0308789A2 Process for the catalytic conversion of exhaust gases containing hydrocarbon, halogenated hydrocarbon and carbon monoxide |
| 03/29/1989 | EP0308530A1 Tube bundle heat exchanger |
| 03/29/1989 | EP0308529A1 Tube bundle heat exchanger with a distribution plate |
| 03/29/1989 | EP0308505A1 Method and device for flue gas treatment by irradiation with electron beams |
| 03/29/1989 | EP0308454A1 Device for evaporating liquids or absorbing or degassing solutions of two or more substances of inner tube/drop film design. |
| 03/29/1989 | EP0308447A1 A method for absorbing gaseous components from acidifying flue gases |
| 03/28/1989 | US4816749 Electrocemical sensor |
| 03/28/1989 | US4816238 Method and composition for the removal of hydrogen sulfide from gaseous streams |
| 03/28/1989 | US4816237 Process for purifying argon gas and apparatus used therefor |
| 03/28/1989 | US4816191 Distributor for liquid-gas contact column and method of preparation and use |
| 03/28/1989 | US4816047 Gas drying apparatus |
| 03/28/1989 | US4816043 Adsorption-desorption fluid fractionation with cycle phase switching controlled by purge and saturation front conditions |
| 03/28/1989 | US4816041 Process and installation for the adsorptive separation of krypton from a krypton nitrogen gas mixture |
| 03/28/1989 | US4816039 PSA multicomponent separation utilizing tank equalization |
| 03/28/1989 | US4815659 Method for releasing a gas into the atmosphere |
| 03/28/1989 | US4815298 Refrigeration system with bypass valves |
| 03/28/1989 | CA1251723A1 Method of and apparatus for the discharge of a flue gas into the atmosphere |
| 03/23/1989 | WO1989002447A1 Water-vapour permeable material |
| 03/23/1989 | WO1989002412A1 Solid filtration medium incorporating alumina and carbon |
| 03/23/1989 | WO1989002309A1 Adsorption-separation method |
| 03/23/1989 | DE3730550A1 Process and apparatus for reducing losses of scrubbing medium in the removal of SO2 from flue gases |
| 03/23/1989 | DE3730255A1 Combustion plant |
| 03/23/1989 | DE3730253A1 Combustion plant |
| 03/22/1989 | EP0308217A2 Wet desulfurization process for treating flue gas |