| 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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| 01/14/1988 | DE3622425A1 Process for the removal of CO2 from a gas mixture |
| 01/13/1988 | EP0252596A1 Adsorption process |
| 01/13/1988 | EP0252521A1 Process for decomposing polyhalogenated compounds |
| 01/13/1988 | EP0252339A1 Process for the preparation of porous carbon membranes |
| 01/13/1988 | EP0252329A1 Process for removal of nitrogen oxides from waste gases |
| 01/13/1988 | EP0252223A2 Process for purifying flue gases |
| 01/13/1988 | EP0252169A1 Process and apparatus for the pressure regulation in digestion tanks in bio-gas production installations, and cleaning of this gas in two stages |
| 01/13/1988 | EP0252161A1 Device for purification, particularly filtration, of a fluid or gaseous medium |
| 01/13/1988 | EP0252132A1 Installation for fume purification. |
| 01/13/1988 | CN87104595A Method and device for removing nitric oxide from cigarette smoke |
| 01/12/1988 | US4719192 Pollution control, synergistic |
| 01/12/1988 | US4719094 Process for the selective catalytic removal of nitrogen oxides from the waste gases of furnaces |
| 01/12/1988 | US4719092 Reduction of nitrogen-based pollutants through the use of urea solutions containing oxygenated hydrocarbon solvents |
| 01/12/1988 | US4719090 Porous structure for fluid contact |
| 01/12/1988 | US4719088 Absorption |
| 01/12/1988 | US4719019 Treatment of thiocyanate containing waste liquor |
| 01/12/1988 | US4718985 System for diaphragm distillation |
| 01/12/1988 | US4718921 Method for removing water vapor from water vapor-containing gas |
| 01/12/1988 | US4718362 Waste destruction |
| 01/12/1988 | US4718251 De-contaminated fluid supply apparatus and cryogenic cooling systems using such apparatus |
| 01/12/1988 | US4718245 Refrigeration system with bypass valves |
| 01/07/1988 | EP0251752A1 Aluminum-stabilized ceria catalyst compositions and method of making same |
| 01/07/1988 | EP0251708A2 Improved catalyst compositions and methods of making same |
| 01/07/1988 | EP0251620A2 Spiral wound membrane filtration device and filtration method using such device |
| 01/07/1988 | EP0250878A1 Method for reduction of sulfur products from flue gases by injection of powdered alkali sorbent at intermediate temperatures and apparatus therefor |
| 01/07/1988 | EP0250866A1 Process and device for simultaneous removal of sulfur dioxide and nitrogen oxides |
| 01/07/1988 | EP0250806A2 Method and device for removing nitric oxide from cigarette smoke |
| 01/07/1988 | EP0250627A1 An adsorption apparatus |
| 01/07/1988 | EP0250475A1 Method and plant for the recovery of energy from waste and residues. |
| 01/07/1988 | DE3623177A1 Combustion chamber for atmospheric steady-state fluidised bed firing |
| 01/07/1988 | DE3621627A1 Process for the catalytic removal of nitrogen oxides from gases |
| 01/07/1988 | DE3621333A1 Process for the degradation of waste gypsum and apparatus for carrying out the process |
| 01/07/1988 | DE3621150A1 Supply air unit for clean rooms |
| 01/06/1988 | CN87102506A Sodium-limestone double alkali flue gas desulfurization process with improved limestone utilization |
| 01/05/1988 | US4718020 Fault recovery procedure for heat-reactivated dryer |
| 01/05/1988 | US4717553 Adding carbon dioxide, passing through activated carbon |
| 01/05/1988 | US4717552 Gas purification |
| 01/05/1988 | US4717547 Desufurization |
| 01/05/1988 | US4717425 Removal of ions from molasses |
| 01/05/1988 | US4717407 Process for recovering helium from a multi-component gas stream |
| 01/05/1988 | US4717401 Fuel vapor recovery system |
| 01/05/1988 | US4717399 Process for adsorbing mercury from natural gas |
| 01/05/1988 | US4717398 Selective adsorption and recovery of organic gases using ion-exchanged faujasite |
| 01/05/1988 | US4717397 Pressure swing adsorption process for the separation of gaseous mixtures |
| 01/05/1988 | US4717396 Floating pressure control for a gas distribution system |
| 01/05/1988 | US4717394 Polyimide gas separation membranes |
| 01/05/1988 | US4717393 Photochemically crosslinked aromatic polyimides |
| 01/05/1988 | US4716958 Method and apparatus for cooling fluid solid particles used in a regeneration system |
| 01/05/1988 | CA1231084A1 Silica-clay complexes |
| 01/05/1988 | CA1231065A1 Air purifier-combination filter |
| 12/30/1987 | WO1987007852A1 Process for producing an active carbon catalyst |
| 12/30/1987 | CN87104885A Process and plant for separating gaseous mixture by adsorption |
| 12/30/1987 | CN87103118A Method and device for denitration of flue gases |
| 12/30/1987 | CN86104013A Recovery of hydrogen fluoride |
| 12/29/1987 | US4716027 Method for simultaneously scrubbing cement kiln exhaust gas and producing useful by-products therefrom |
| 12/29/1987 | US4715871 Dehumidifier for a compressed gas |
| 12/29/1987 | US4715868 Vapor recovery system |
| 12/29/1987 | US4715867 Auxiliary bed pressure swing adsorption molecular sieve |
| 12/23/1987 | EP0250394A2 Process and apparatus for the purification of waste water from printing plants, especially from screening installations |
| 12/23/1987 | EP0250235A1 Improvements in and relating to pressure swing oxygen generating systems |
| 12/23/1987 | EP0249861A2 Process for the biological purification of exhaust air and waste water |
| 12/23/1987 | EP0249757A2 Air dryer purge control for turbocharged compressors |
| 12/23/1987 | EP0249702A2 Process for eliminating undesired components from gases |
| 12/23/1987 | EP0170679B1 Methods of and apparatus for recovering a constituent of a process effluent |
| 12/23/1987 | DE3620687A1 Process for removing NO/NO2 from substantially desulphurised flue gases |
| 12/23/1987 | DE3620673A1 Verfahren zur bestrahlung von gasfoermigen medien, vorzugsweise rauchgasen, mit elektronenstrahlen The method of irradiating houses on gaseous media, preferably flue gases, using electron beams |
| 12/23/1987 | CN87103152A Process and composition for removal of hydrogen sulfide from gaseous streams |
| 12/22/1987 | US4714784 Washing with dilute alkali |
| 12/22/1987 | US4714694 Catalytic exhaust systems |
| 12/22/1987 | US4714597 Corrosion inhibitor for CO2 absorption process using alkanolamines |
| 12/22/1987 | US4714483 For heavy duty vehicles with air brake systems |
| 12/22/1987 | US4714481 Gas separation membrane |
| 12/22/1987 | US4714480 Selective absorption of hydrogen sulfide |
| 12/22/1987 | CA1230616A1 Method and apparatus for rendering polychlorinated byphenyl toxic free |
| 12/22/1987 | CA1230467A1 Composition for minimizing fouling of heat exchangers and other hydrocarbon processing equipment |
| 12/22/1987 | CA1230466A1 Method of removing hydrogen sulphide from hot gas mixtures |
| 12/17/1987 | WO1987007701A1 Method and apparatus for the cleaning of flue gas and the recovery of heat from same |
| 12/17/1987 | WO1987007657A1 Textile yarn for producing a filter layer with an activated carbon base and use of said yarn |
| 12/17/1987 | WO1987007528A1 Method for desulphurising directly flue gas in a furnace |
| 12/17/1987 | WO1987007527A1 Flue gas scrubber system |
| 12/17/1987 | DE3718284A1 Filter mat for flue gas detoxification |
| 12/17/1987 | DE3717556A1 Verfahren zur entfernung von schwefelverbindungen aus co(pfeil abwaerts)2(pfeil abwaerts)-haltigen gasen -containing Gases method for removal of sulfur compounds from co (Down Arrow) 2 (down arrow) |
| 12/17/1987 | DE3620168A1 Chemisorption filter for treating breathing air for allergic people |
| 12/17/1987 | DE3620061A1 Process for simultaneous SO2 and NOx separation |
| 12/17/1987 | DE3620024A1 Process for preparing finely divided calcium hydroxide |
| 12/17/1987 | DE3619495A1 Process for treating scrubbing liquid in the simultaneous SO2/NOx purification of flue gases |
| 12/16/1987 | EP0249426A1 Selective catalytic reduction catalysts |
| 12/16/1987 | EP0249400A1 Gas-liquid contacting apparatus |
| 12/16/1987 | EP0249360A2 Sintered articles |
| 12/16/1987 | EP0249068A1 Method and apparatus for purifying polluted gases |
| 12/16/1987 | EP0249003A1 Activated-carbon apparatus for the recovery of a solvent from air |
| 12/16/1987 | EP0248922A1 Process for producing oxygen-enriched gas |
| 12/16/1987 | EP0248855A1 PROCESS FOR SINGLE OR MULTI-PHASE PREFERABLY SIMULTANEOUS SO 2? AND NO x? SEPARATION FROM FLUE GASES IN A WET PROCESS |
| 12/16/1987 | EP0164375B1 Process and plant for reheating purified gas following the purification by wet process of raw gas |
| 12/16/1987 | EP0160010B1 Device for purifying of polluted air |
| 12/16/1987 | EP0152454B1 High temperature absorbent for water vapor |
| 12/16/1987 | CN87103123A Tetrabromo bisphenol based polyestercarbonate membranes and method of using |
| 12/16/1987 | CN87102812A Gas separations using membranes comprising perfluorinated polymers with pendant lonomeric moieties |
| 12/16/1987 | CN86103956A Smoke pipe type smoke exhausting installation |
| 12/15/1987 | US4713362 Selective zeolitic adsorbent and a method for activation thereof |