| 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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| 10/04/1988 | US4775518 Monolithic gas catalyst means, resilient fibers for support with catalytically active coating |
| 10/04/1988 | US4775499 Gas-liquid contacting apparatus |
| 10/04/1988 | US4775484 Rotating sorption bed |
| 10/04/1988 | US4775396 Selective adsorption of CO2 on zeolites |
| 10/04/1988 | US4775395 Contacting with liquid phase comprising water and solvent, removing water free of solvent |
| 10/04/1988 | US4775394 Process for separation of high purity gas from mixed gas |
| 10/04/1988 | CA1242688A1 Process for producing monolithic catalyst for purifying exhaust gases |
| 10/04/1988 | CA1242639A1 Packing for gas-liquid contact apparatus |
| 10/04/1988 | CA1242638A1 Gas/liquid contacting column |
| 10/04/1988 | CA1242567A1 Process for purifying flue gas |
| 09/29/1988 | DE3709424A1 Apparatus for dissociating a gas mixture |
| 09/29/1988 | DE3709292A1 Apparatus for scrubbing gases |
| 09/29/1988 | DE3709269A1 Apparatus for removing organic substances from exhaust air |
| 09/29/1988 | DE3708941A1 Process and apparatus for pretreating filter ash from furnaces |
| 09/29/1988 | DE3708508A1 Device and process for decreasing pollutants in combustion exhaust gases |
| 09/28/1988 | EP0284448A1 High purity nitrogen producing method |
| 09/28/1988 | EP0284228A1 Chemical processing with an operational step sensitive to a feedstream component |
| 09/28/1988 | EP0284227A2 Apparatus and process for the recovery of halogenated hydrocarbons in a gas stream |
| 09/28/1988 | EP0284181A1 Catalyst and process for abatement of NOx in exhaust gases |
| 09/28/1988 | EP0284121A1 Process for treating two loaded currents of washing liquids |
| 09/28/1988 | EP0284116A2 Process for regenerating washing liquids loaded with carbon dioxyde and carbonyl sulfide |
| 09/28/1988 | EP0284068A1 Process and equipment for the treatment and recuperation of solvent vapours by recycling on activated carbon |
| 09/28/1988 | EP0283965A2 Process and composition for drying of gaseous hydrogen halides |
| 09/28/1988 | EP0283961A2 Process and composition for purifying arsine, phosphine, ammonia and inert gases to remove Lewis acid and oxidant impurities therefrom |
| 09/28/1988 | EP0283913A2 Process for removal of NOx from fluid streams |
| 09/28/1988 | EP0283910A2 Catalyst support and method for making same |
| 09/28/1988 | EP0283794A1 Process and apparatus for carrying out gas-liquid reactions |
| 09/28/1988 | EP0283721A2 Process for removing noxious materials from a gas |
| 09/28/1988 | EP0283712A1 Process for removal of sulfur containing gases |
| 09/27/1988 | US4774219 Titanium, vanadium catalysts for nitrogen oxide reduction |
| 09/27/1988 | US4774217 Catalytic structure for cleaning exhaust gas |
| 09/27/1988 | US4774213 Ferruginous catalyst for decreasing the content of nitrogen oxides in flue gases |
| 09/27/1988 | US4774071 Process and composition for the removal of hydrogen sulfide from gaseous streams |
| 09/27/1988 | US4774067 Absorption on metal oxides, regeneration |
| 09/27/1988 | US4774060 Wetting, settling, pollution control |
| 09/27/1988 | US4773979 Equipment for purifying gases and liquids |
| 09/27/1988 | US4773921 Desulfurization, regeneration |
| 09/27/1988 | US4773339 Process for removing nitrous oxides from a gas |
| 09/27/1988 | US4773226 Power production system |
| 09/27/1988 | CA1242459A1 Process for the destruction of by-product tetranitromethane |
| 09/27/1988 | CA1242430A1 Catalyzed diesel exhaust particulate filter |
| 09/27/1988 | CA1242386A1 Multi-stage gas scrubber |
| 09/27/1988 | CA1242308A1 Method and reduction of so.sub.2 emission for fossil fired boiler |
| 09/22/1988 | WO1988007024A1 Process for the reduction of nitrogen oxides in an effluent using sugar |
| 09/22/1988 | WO1988007023A1 A method for the catalytic oxidation in aqueous medium of sulphite and/or bisulphite to sulphate |
| 09/22/1988 | WO1988007022A1 Waste-gas treatment process |
| 09/22/1988 | WO1988006913A1 Method and apparatus for the continuous separation of contaminants from a fluid mixture |
| 09/22/1988 | DE3707688A1 Rotating air distributor system for the purification of air and gases |
| 09/21/1988 | EP0283452A1 Process for purifying flue gases from nitrogen |
| 09/21/1988 | EP0283357A1 Process and installation for the treatment of waste gases containing sulphur dioxide with oxygen |
| 09/21/1988 | EP0283224A1 Ceramic honeycomb structural bodies and method of producing the same |
| 09/21/1988 | EP0283220A1 Ceramic honeycomb structural bodies |
| 09/21/1988 | EP0282869A1 Process and installation for separating ammonia ions as well as chlorinated hydrocarbons and/or hydrocarbons from waste water |
| 09/21/1988 | EP0282753A1 Apparatus for the uniform distribution of a liquid on a transfer section of a mass and heat transfer column |
| 09/21/1988 | EP0282750A1 Process and apparatus for cleaning exhaust air or gases |
| 09/21/1988 | CN87101795A Process for the removal of hydrogen sulfide from fluid streams using a composition of a water-soluble polymeric chelates and polyvalent metals in a state of oxidation, and the composition |
| 09/21/1988 | CN87101217A Comprehensive processing method for high-concentration cyanogen waste water and so2-containing exhaust flue gas |
| 09/20/1988 | US4772579 Iron oxide cylinders, ammonia synthesis |
| 09/20/1988 | US4772490 Method for producing a water-permeable covering on granular water-soluble substances |
| 09/20/1988 | US4772455 Activated carbon fiber; alkali treatment; meshes; dispersion; impregnation; oxone, hydrogen sulfide removal |
| 09/20/1988 | US4772420 Two pressure swing adsorption stages, ammonia synthesis gas |
| 09/20/1988 | US4772366 Removing h2s from fuels at ambient temperature: using a porous electrolytic cell and alkali metal polysulfide solution; forming elemental sulfur |
| 09/20/1988 | US4772300 Adsorbent cartridge |
| 09/20/1988 | US4772298 Control of a H2 S absorber |
| 09/20/1988 | US4772295 Method for recovering hydrocarbon vapor |
| 09/15/1988 | DE3718691A1 Process for the simultaneous separation of SO2 and NOx from flue gases of combustion plants |
| 09/15/1988 | DE3707371A1 Process for controlling the content of divalent iron in the scrubbing solutions used to separate off SO2 and NOx |
| 09/15/1988 | DE3706949A1 Device for cooling liquids and gases or drying and cooling gases by means of storage liquids at one or more temperature levels |
| 09/15/1988 | DE3706941A1 Gas cooler with integrated condensate precipitation (elimination, separation) |
| 09/15/1988 | DE3706864A1 Device, plant and method for removing pollutants from flue gases |
| 09/15/1988 | DE3706671A1 Process for the utilisation of EDTA-iron complex compounds for simultaneously separating off SO2 and NOx |
| 09/14/1988 | EP0281993A1 Alkaline earth metal spinel/kaolin clays and processes for making and using same |
| 09/14/1988 | EP0281876A1 Preparation of high purity oxygen |
| 09/14/1988 | EP0281844A2 Process and device for the separation of organic-chemical constituents |
| 09/14/1988 | EP0281821A1 Feed gas drier precooling in mixed refrigerant natural gas liquefaction processes |
| 09/14/1988 | EP0281569A1 Method of carrying out a combustion process and apparatus for use in the method |
| 09/14/1988 | EP0281551A1 Apparatus for the oxidation of particles suspended in the air. |
| 09/14/1988 | EP0219521B1 Method and plant of adsorption purification on activated carbon, and corresponding adsorber pot |
| 09/14/1988 | CN88100797A Device for evenly distributing liquid in exchange section of substance-and heat-exchange column |
| 09/14/1988 | CN86101607B Preparing process of desulfurizer and denitrifier |
| 09/13/1988 | US4771361 Electrode arrangement for corona discharges |
| 09/13/1988 | US4771030 Process for preparing particulate aluminum metal for adsorbing mercury from natural gas |
| 09/13/1988 | US4771029 Automotive exhaust gas catalyst |
| 09/13/1988 | US4771026 Catalyst in the form of a plate for nitrogen oxide reduction in exhaust gases |
| 09/13/1988 | US4770864 Ammonia, sulfur dioxide to produce nitrogen, sulfur and water, titanium dioxide catalyst |
| 09/13/1988 | US4770863 Chemical reduction with ammonia and promoter |
| 09/13/1988 | US4770862 Removal of hydrogen sulfide from supercritical carbon dioxide |
| 09/13/1988 | US4770857 Process and apparatus for the catalytic reaction of gases |
| 09/13/1988 | US4770785 Dielectric bombarded with uranium, xenon or argon |
| 09/13/1988 | US4770678 Contaminant removal from fluids |
| 09/13/1988 | US4770676 Recovery of methane from land fill gas |
| 09/13/1988 | US4770675 System and method for separating gases of differing masses by enhanced diffusion produced by tuned oscillations |
| 09/08/1988 | DE3706086A1 Catalyst element frame |
| 09/07/1988 | WO1988006614A1 A new and improved midbarrel catalyst |
| 09/07/1988 | WO1988006569A1 Multi-stage process for reducing the concentration of pollutants in an effluent |
| 09/07/1988 | WO1988006487A1 Process for nitrogen oxides reduction with minimization of the production of other pollutants |
| 09/07/1988 | WO1988006484A1 A method for absorbing gaseous components from acidifying flue gases |
| 09/07/1988 | WO1988006483A1 Process for treating gaseous wastes containing sulphur dioxide with oxygen and equipment for its implementation |
| 09/07/1988 | WO1988006482A1 Air cleaning system |
| 09/07/1988 | WO1988006481A1 Method for recovering volatile compounds from atmosphere |