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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07/08/1981 | EP0031586A2 Functionalised carbonaceous adsorbents, which may be ion exchange materials or precursors thereof,processes of making and using them |
07/07/1981 | US4277458 Catalyst of vanadium and silver oxides |
07/07/1981 | US4277453 Waste gas purification reactor and method |
07/07/1981 | US4277452 Carbon monoxide absorbing liquid |
07/07/1981 | US4277451 Wet process for the desulfurization of exhaust gas |
07/07/1981 | US4277450 Removal of sulfur dioxide from gas |
07/07/1981 | US4277442 Catalytic exhaust cleaner |
07/07/1981 | US4277376 Process for the manufacture of a monolithic support for catalysts suitable for use in controlling carbon monoxide emissions |
07/07/1981 | US4277374 For automobile catalytic exhaust systems |
07/01/1981 | EP0031209A1 Purification of hydrogen |
07/01/1981 | EP0031006A1 A multiple vessel cascade gas enrichment adsorber |
06/30/1981 | US4276327 Process for depositing alumina onto a substrate and alumina regeneration |
06/30/1981 | US4276272 Preconditioning by hydration of anhydrous product followed by drying |
06/30/1981 | US4276271 Process for the removal of hydrogen sulfide from gas mixtures |
06/30/1981 | US4276249 Processes for sealing hollow fiber membranes arranged in the form of a bundle |
06/30/1981 | US4276244 Tower or column |
06/30/1981 | US4276242 Vapor-liquid contact grid apparatus |
06/30/1981 | US4276224 Anthraquinone sulphonamide compounds and preparation |
06/30/1981 | US4276203 Enhanced surface area and secure adhesion to support |
06/30/1981 | US4276187 Oxidation-reduction reagents for a wet desulfurization process and a process for preparing same |
06/30/1981 | US4276125 Rectification, hydrogen cyanide |
06/30/1981 | US4276068 For separating isotope or gas mixtures |
06/30/1981 | US4276063 Formation of carbon or silicon carbide, chlorinated hydrocarbons |
06/30/1981 | US4276058 Process and apparatus for recovering hydrocarbons from air-hydrocarbon vapor mixtures |
06/30/1981 | US4276057 Methane, propane |
06/30/1981 | CA1104112A1 Method of preparing activated graphite and catalysts based thereon |
06/30/1981 | CA1104111A1 Catalyst supports |
06/30/1981 | CA1104086A1 Shutdown of co-combustion devices |
06/30/1981 | CA1104068A1 Pressure buildup technique in pressure swing adsorption process |
06/30/1981 | CA1104067A1 Method for separating gases |
06/30/1981 | CA1103902A1 Recovery of hydrocarbon vapors from air |
06/30/1981 | CA1103901A1 Disposal of waste gases from production of aluminum chloride |
06/30/1981 | CA1103899A1 Process for separating so.sub.2 from a current of gas containing the same, and plant for carrying out such process |
06/30/1981 | CA1103898A1 No translation available |
06/24/1981 | EP0030921A1 Process for the separation of nitrobenzene, di- and/or trichlorobenzene from waste vapours |
06/24/1981 | EP0030863A1 An exchange element for a heat and/or moisture exchange and an exchanger for heat and/or moisture |
06/23/1981 | US4275044 Sulfur dioxide disposal system |
06/23/1981 | US4275021 Gas-liquid contacting tray with improved inlet bubbling means |
06/23/1981 | US4274981 Catalyst for purifying exhaust gas and the process for manufacturing thereof |
06/23/1981 | US4274863 Method of treating pollutant-laden gases, especially from a steel-making or coking plant |
06/23/1981 | US4274848 Gas-venting filter for collection appliance |
06/23/1981 | US4274842 Method of purifying gas containing gaseous mercury |
06/23/1981 | US4274841 Acetylene recovery process and apparatus |
06/23/1981 | US4274373 Combined split engine and closed loop mixture control operation with enriched fuel during partial cylinder mode |
06/23/1981 | CA1103427A1 Catalytic incineration of hydrogen sulfide from gas streams |
06/17/1981 | EP0030447A1 High pressure process for recovery of sulphur from gases |
06/16/1981 | US4273751 Removal of acidica contaminants from gas streams by caustic impregnated activated carbon |
06/16/1981 | US4273750 Flue gas desulfurization apparatus and method |
06/16/1981 | US4273749 Refining process of hot gas containing hydrogen sulfide and ammonia |
06/16/1981 | US4273748 Process for removing harmful components from gas |
06/16/1981 | US4273747 Atomizing water |
06/16/1981 | US4273681 Alternating layers of coated and/or corrugated steel panels |
06/16/1981 | US4273652 Installation for filtration of a contaminated fluid |
06/16/1981 | US4273620 Process for reconcentrating moist glycol |
06/16/1981 | CA1103146A1 Installation for protecting of reactors |
06/16/1981 | CA1103105A1 Method of manufacturing supports for porous filters |
06/16/1981 | CA1103004A1 Process for separating polymeric contaminants from aqueous absorbent solutions used to treat organic gas- containing gas streams |
06/16/1981 | CA1103003A1 Total deaciodizing process of industrial gaseous mixtures with a physical solvant |
06/16/1981 | CA1103002A1 Process for treatment of residual gas |
06/10/1981 | EP0030123A1 Intumescent sheet material |
06/09/1981 | US4272497 Method for treating a nitrogen oxide- and sulphur oxide-containing waste gas |
06/09/1981 | US4272266 Apparatus for the separation of gas mixtures |
06/09/1981 | US4272265 Apparatus for pressure swing generation of oxygen |
06/09/1981 | US4272261 Air purifying device |
06/09/1981 | US4272259 Gas gettering system |
06/09/1981 | US4272257 Liquid-vapor separator |
06/09/1981 | US4272026 Sprinkling device for absorption towers |
06/09/1981 | CA1102786A1 Heat extractor |
06/03/1981 | EP0029784A2 Process for separating ethylene oxide and dichlorodifluoromethane from a mixture containing air in addition thereto |
06/03/1981 | EP0029600A1 Process for the separation of fluids by permeation |
06/03/1981 | EP0029564A1 Process for separating gaseous components from a gas current, particularly a current of flue gas |
06/03/1981 | EP0029513A1 Process for the separation of olefines from gases containing olefines |
06/02/1981 | US4271134 Treatment of effluent gases from the manufacture of fertilizer |
06/02/1981 | US4271133 From synthesis gas using relatively alkali or alkaline earth-free zinc oxide adsorbent |
06/02/1981 | US4271132 Two-stage absorption desorption process using a potassium salt and an amine |
06/02/1981 | US4271044 Carrier matrix for catalysts and process for its production |
06/02/1981 | US4271043 Pillared interlayered clay products |
06/02/1981 | US4270937 Absorbing sulfur-containing gases with carbon dioxide |
06/02/1981 | CA1102300A1 Molybdenum catalyst and method for increasing the selectivity of a catalyst and catalyst system |
06/02/1981 | CA1102299A1 Platinum-rhodium catalyst for automotive emission control |
06/02/1981 | CA1102256A1 Apparatus for the adsorptive cleaning of gases |
06/02/1981 | CA1102255A1 Methods for removing radioactive isotopes from contaminated gas streams |
06/02/1981 | CA1102231A1 Device for extracting moisture from a space |
06/02/1981 | CA1102096A1 Method and device for washing and aerating gaseous mixes |
06/02/1981 | CA1102095A1 Vapor-liquid contacting system |
06/02/1981 | CA1102094A1 Process for removal of hydrogen sulfide from gas streams |
05/27/1981 | EP0029258A1 Apparatus for regenerating a scrubbing liquid and process for its operation |
05/27/1981 | EP0029033A1 Process for purifying the exhaust gases of a combustion engine driving a heat pump and purifying device for carrying out such process |
05/26/1981 | US4269813 Crystalline borosilicate and process of preparation |
05/26/1981 | US4269812 Decreasing the interfering density of drops of aqueous absorbent sprayed vertically downward; efficiency |
05/26/1981 | US4269806 Scrubber for removal of sulfur dioxide from exhaust gas |
05/26/1981 | US4269611 Apparatus for drying or dehumidifying gases |
05/26/1981 | US4269609 Absorption of hydrogen fluoride and silicon tetrafluoride by scrubbing with an aqueous solution of fluosilicic acid |
05/26/1981 | CA1101640A1 Process and apparatus for treatment of waste gases |
05/26/1981 | CA1101639A1 Method for increasing the hydrogen sulphide concentration in an acid gas |
05/26/1981 | CA1101638A1 Process |
05/26/1981 | CA1101633A1 Crystalline borosilicate (ams-1b) and process use |
05/19/1981 | US4268489 Process for the removal of sulfur dioxide from gases |
05/19/1981 | US4268488 Contacting nitrogen oxide stream with ammonia and two catalysts |
05/19/1981 | US4268487 Method of minimizing manganese dioxide sludge formation |