| 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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| 03/22/1989 | EP0308113A2 Method of preparing a sorbent material for use in an apparatus for releasing a gaseous material into the atmosphere |
| 03/22/1989 | EP0308002A1 Method and membrane for the removal of water vapour from a gas/vapour mixture by means of vapour permeation |
| 03/22/1989 | EP0307843A1 Production of hydrogen and carbon monoxide |
| 03/22/1989 | EP0307581A1 Adsorption installation for gas separation |
| 03/21/1989 | US4814318 Hydrothermal agglomeration of doped titanium oxide |
| 03/21/1989 | US4814153 Method of cleaning exhaust gases |
| 03/21/1989 | US4814152 Solid support containing metal catalyst and elemental sulfur |
| 03/21/1989 | US4814117 Packing support for gas - liquid contact towers |
| 03/21/1989 | US4814104 Tertiary alkanolamine absorbent containing an ethyleneamine promoter and its method of use |
| 03/21/1989 | US4814051 Regeneration |
| 03/21/1989 | US4813983 Polysulfone and addition polymer |
| 03/21/1989 | US4813981 Dual mode air purifier and method |
| 03/21/1989 | US4813980 Recovery of nitrogen, hydrogen and carbon dioxide from hydrocarbon reformate |
| 03/21/1989 | US4813979 Secondary oxygen purifier for molecular sieve oxygen concentrator |
| 03/21/1989 | US4813978 Process for separating particles and apparatus for carrying out the process |
| 03/21/1989 | US4813977 Adsorptive nitrogen generation utilizing multiple adsorption beds |
| 03/21/1989 | CA1251320A1 System for controlling ammonia injection rate |
| 03/16/1989 | DE3827143A1 Method for producing a biological filter element |
| 03/16/1989 | DE3816599C1 Process for eliminating arsenic compounds from exhaust gases |
| 03/16/1989 | DE3730141A1 Process for removing nitrogen oxides from combustion gases in a broad temperature range |
| 03/16/1989 | DE3729994A1 Apparatus for the catalytic purification of exhaust gases |
| 03/16/1989 | DE3728726A1 Device for keeping dry a quantity of air, and use thereof |
| 03/15/1989 | EP0307297A1 Method of inducing a thermochemical reaction, and plant for carrying out this method |
| 03/15/1989 | EP0307296A1 Method of inducing an absorption or desorption reaction between a gas and a solid |
| 03/15/1989 | EP0306945A1 Oxidation of carbon monoxide and catalyst therefor |
| 03/15/1989 | EP0306944A1 Catalytic oxidation of carbon monoxide on Pt and/or Pd/MgO catalysts |
| 03/15/1989 | EP0306840A2 Catalysts for absorptive air separation |
| 03/15/1989 | EP0236295B1 A filtering device for vehicle exhaust |
| 03/15/1989 | CN1031660A Pressure swing adsorption control method and apparatus |
| 03/15/1989 | CN1003582B Separating ammonium of circular gas of synthesis by means of dilution of liquid ammonium |
| 03/14/1989 | US4812434 Exhaust gas catalysts and process for the production thereof |
| 03/14/1989 | US4812429 Method for cleaning waste gas denitrating catalyst |
| 03/14/1989 | US4812296 In flue gas, titanium and vanadium oxide |
| 03/14/1989 | US4812295 Apparatus for dry scrubbing a hot gas and start-up process |
| 03/14/1989 | US4812148 For railroad vehicle air brakes; compressor, cooler, valves, governor, control circuit |
| 03/14/1989 | US4812147 Multicomponent adsorption process |
| 03/14/1989 | CA1251184A1 Method and apparatus for separating the components of a wellstream |
| 03/14/1989 | CA1251048A1 Process for producing by-product oxygen from turbine power generation |
| 03/14/1989 | CA1251015A1 Process for the cooling or heating of a gas |
| 03/14/1989 | CA1251014A1 Method for heat and mass exchange operations |
| 03/14/1989 | CA1251013A1 Method for reducing combustion effluent no.sub.x emissions |
| 03/14/1989 | CA1251012A1 Flue gas desulfurization/denitrification using metal- chelate additives |
| 03/09/1989 | WO1989001822A1 Improved autoclave for hazardous waste |
| 03/09/1989 | WO1989001821A1 Method of removing nitrogen monoxide from a nitrogen monoxide-containing gas using a water-soluble iron-dithiocarbamate, xanthate or thioxanthate |
| 03/09/1989 | WO1989001820A1 Process for desulphurating flue gases from power station boiler furnaces |
| 03/09/1989 | WO1989001819A1 Apparatus for and method of providing improved gas separation |
| 03/09/1989 | DE3801948C1 Activated carbon filter for fuel-tank ventilation |
| 03/09/1989 | DE3728859A1 Moisture exchange element |
| 03/09/1989 | DE3728557A1 Process for the distribution of ammonia in a gas stream and apparatus for carrying out the process |
| 03/09/1989 | DE3728497A1 Gas drying apparatus |
| 03/09/1989 | DE3728423A1 Filter for eliminating bacteria, viruses and air pollutants, preferably for occupied spaces |
| 03/09/1989 | DE3728331A1 Insert for an exhaust gas line and process for the production thereof |
| 03/09/1989 | DE3725242A1 Ventilation container for cleaning contaminated air volume flows for rooms providing protection against catastrophe |
| 03/08/1989 | EP0306420A1 Process for the purification of traces of radioactive elements generated during the stockpiling of uranium resulting from the processing of irradiated nuclear fuels |
| 03/08/1989 | EP0306350A1 Honeycomb structure for fluid filtration |
| 03/08/1989 | EP0306175A2 A method and a plant for simultaneous cleaning of flue gas for sulphur oxides and nitrogen oxides |
| 03/08/1989 | EP0305919A1 Recovery of methane from land fill gas |
| 03/08/1989 | EP0305663A1 Pressure swing adsorption control method and apparatus |
| 03/08/1989 | EP0305584A2 Process for the treatment, especially for the neutralization of waste gases |
| 03/08/1989 | EP0305512A1 Waste-gas treatment process |
| 03/08/1989 | EP0305503A1 Process for the reduction of nitrogen oxides in an effluent using a heterocyclic hydrocarbon |
| 03/08/1989 | EP0228398B1 Catalytic device for eliminating nitrogen oxides, carbon monoxide and/or residual hydrocarbons contained in exhaust gases |
| 03/07/1989 | US4810766 Acryloxyorganosiloxane polymer |
| 03/07/1989 | US4810554 High strength ceramic honeycomb structure |
| 03/07/1989 | US4810478 Process of removing pollutants from flue gas |
| 03/07/1989 | US4810477 Method for desulfurizing smoke |
| 03/07/1989 | US4810476 Nitrogen oxides |
| 03/07/1989 | US4810475 Removal of HCN, and HCN and COS, from a substantially chloride-free gaseous stream |
| 03/07/1989 | US4810474 Method of removing nitrogen monoxide from a nitrogen monoxide-containing gas using a water-soluble iron ion-dithiocarbamate, xanthate or thioxanthate |
| 03/07/1989 | US4810428 Plates direct incoming vapor from center toward shell; uniform flow |
| 03/07/1989 | US4810266 Carbonized crosslinked polymer, mono- or diethanolamine |
| 03/07/1989 | US4810265 Pressure swing adsorption process for gas separation |
| 03/07/1989 | CA1250809A1 Device for purifying the exhaust gases of diesel engines |
| 03/02/1989 | DE3821579A1 Method for regenerating carbon-containing absorbent which is used in the treatment of flues |
| 03/02/1989 | DE3728128C1 Verfahren zur Entschwefelung von Rauchgasen von Kraftwerkskesselfeuerungen A process for desulfurization of flue gases from Kraftwerkskesselfeuerungen |
| 03/02/1989 | DE3728028A1 Staged acidic, alkaline, neutral filter method for separating off bacteria, viruses and acidic, alkaline gaseous pollutants |
| 03/02/1989 | DE3727969A1 Facility for anaerobic waste water purification |
| 03/02/1989 | DE3727635A1 Method for removing styrene from the exhaust air |
| 03/02/1989 | DE3727294A1 Mass exchange column for counter-current treatment of gases and liquids |
| 03/01/1989 | EP0305120A2 Process for separating gas |
| 03/01/1989 | EP0305119A2 Process for production of a catalyst having excellent heat resistance for use in purifying exhaust gases from internal combustion engines |
| 03/01/1989 | EP0305047A2 High temperature desulfurization of synthesis gas |
| 03/01/1989 | EP0305019A1 Process for the destruction of chemical waste materials, in particular of organic halogen compounds, by hydrogenolysis |
| 03/01/1989 | EP0304989A1 Removal of sour components from a gas stream |
| 03/01/1989 | EP0304776A2 Reinforced metallic honeycomb structure |
| 03/01/1989 | EP0304762A1 Particulate trap |
| 03/01/1989 | EP0304686A1 Process for removal of sulfur oxides from flue gases |
| 03/01/1989 | EP0304478A1 Process for nitrogen oxides reduction with minimization of the production of other pollutants. |
| 03/01/1989 | CN1031369A Polyalky leneoxyamine catalysts for dialkyl disulfides and/or polysulfides used in dissolving sulfur |
| 03/01/1989 | CN1031358A Process for producing high purity oxygen gas from air |
| 02/28/1989 | US4808564 Catalyst for the purification of exhaust gases |
| 02/28/1989 | US4808466 Deodorant sheet |
| 02/28/1989 | US4808396 Ozone decomposing agent |
| 02/28/1989 | US4808394 Catalytic oxidation of carbon monoxide |
| 02/28/1989 | US4808385 Process for the removal of H2 S from fluid streams using a water soluble polymeric chelate of an oxidizing polyvalent metal |
| 02/28/1989 | US4808341 Process for the separation of mercaptans contained in gas |
| 02/28/1989 | US4808284 Process for the recovery of alkanolamines from their heat-stable salts formed during absorbent thermal regenerative step of gas conditioning processes |
| 02/28/1989 | US4808264 Process for chemicals and energy recovery from waste liquors |
| 02/28/1989 | US4808201 Connector construction for fluid drying tube |
| 02/28/1989 | US4808199 Apparatus and method for protecting gas separation membranes from damage due to a reversal of differential pressure |