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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12/02/1981 | EP0040821A1 Synthetic adsorbent for bases and acids |
12/01/1981 | US4303633 Method of recovering elemental sulfur from reactive gases containing sulfur dioxide and hydrogen sulfide |
12/01/1981 | US4303625 Treatment of reducing gas for suppression of corrosiveness |
12/01/1981 | US4303618 Catalytic reactor |
12/01/1981 | US4303599 Tower packing |
12/01/1981 | US4303552 Diesel exhaust catalyst |
12/01/1981 | US4303422 Fuel filter |
12/01/1981 | US4303228 Apparatus for heat treating containing air-purged molecular sieves in O.sub. -free N2 atmospheres |
12/01/1981 | CA1113417A1 Sulfur oxides control in catalytic cracking |
12/01/1981 | CA1113227A1 Waste gas purification reactor |
11/26/1981 | WO1981003346A1 Separation of hydrogen sulfide from fluid streams |
11/25/1981 | EP0040493A1 Reverse-jet scrubber apparatus and method of scrubbing a gas stream |
11/25/1981 | EP0040235A1 Catalytic converter for ozone removal in aircraft. |
11/24/1981 | US4302490 Treating a substrate with a solution of a permanganate and a cerium salt; electroless deposition/non-metals |
11/24/1981 | US4302431 Decomposing with oxygen and ammonia using catalyst parallel to gas flow |
11/24/1981 | US4302425 Apparatus and process for flue gas desulphurization |
11/24/1981 | US4302249 Method for processing wastes resulting from production of phosphorus namely, slime and off-gases, with utilization of the resultant products |
11/24/1981 | US4302236 Thermophilic bacteria-phase degradation to remove inorganic acid(forming) constituents |
11/24/1981 | US4302227 Baffled moisture separator |
11/24/1981 | US4302226 Apparatus for neutralizing odors |
11/24/1981 | US4302224 Compact oxygen concentrator |
11/24/1981 | US4302222 Methods and apparatus for continuous preparative chromatographic separation of fluid mixtures |
11/24/1981 | US4302221 Process for regeneration of carbonaceous adsorbent for use in desulfurization of exhaust gas |
11/24/1981 | US4302220 Absorption with polyethylene glycol dialkyl ether, stripping, recycling solvent |
11/24/1981 | US4302218 Adsorption, donversion to hydrogen sulfide |
11/24/1981 | US4302205 Input control method and means for nitrogen oxide removal |
11/24/1981 | US4301652 Exhaust gas purification apparatus for motor vehicles |
11/24/1981 | CA1112848A1 Process for removing so.sub.2 and no.sub.x from gases |
11/24/1981 | CA1112840A1 Conversion of hydrocarbons and carbon monoxide in exhaust gas streams |
11/17/1981 | US4301137 By contacting hydrogen halides with an acid acceptors |
11/17/1981 | US4301128 Method for purification of gases |
11/17/1981 | US4301127 Flue gas scrubbing system |
11/17/1981 | US4301126 Catalytic decomposition with water vapors using an activated carbon catalyst |
11/17/1981 | US4301114 Permeabile to the flow of nitrogen oxide gas |
11/17/1981 | US4301095 Air freshener dispenser |
11/17/1981 | US4301014 Hydrolysis, precipitation of solubles with calcium hydroxide, catalytic oxidation of gases |
11/17/1981 | US4300991 Air-fuel ratio detecting apparatus |
11/17/1981 | CA1112599A1 Specific recovery process for chlorine and carbon dioxide in gaseous mixtures |
11/17/1981 | CA1112428A1 Removal of sulfur oxides from gases by scrubbing with ammoniacal solutions |
11/17/1981 | CA1112427A1 Method of treating pollutant-laden gases, especially from a steel making or coking plant |
11/17/1981 | CA1112423A1 A process for the conversion of soluble thiosulfate in an effluent liquor to sulfates |
11/11/1981 | EP0039504A1 Adsorbent fractionator with automatic cycle control and process |
11/10/1981 | US4299802 Process for removing carbonyl sulfide from gaseous streams |
11/10/1981 | US4299801 Two-stage |
11/10/1981 | US4299734 Platinum and/or palladium on a zirconia with cerium, manganese, and/or iron oxide support |
11/10/1981 | US4299596 Adsorption, expansion, purging, separation of adsorption beds, recovery, desorption, then repressurization |
11/10/1981 | US4299595 Cleaning or rectifying gases |
11/10/1981 | CA1112022A1 Process for removing sulfur dioxide from an exhaust gas containing the same |
11/04/1981 | EP0039266A1 Oxidation process of hydrogen sulfide and organic compounds of sulfur |
11/04/1981 | EP0039172A1 A process for removing CO from a gas stream |
11/04/1981 | EP0039151A1 Water producing apparatus |
11/04/1981 | EP0038970A1 Process for the separation of tetrafluoroethylene from gas mixtures containing in addition to tetrafluoroethylene particularly nitrogen or carbon monoxide |
11/04/1981 | EP0038969A1 Process for treating an aqueous alcaline solution of anthraquinone-disulfonic acid salts |
11/04/1981 | EP0038961A1 Temperature control for dry SO2 scrubbing system |
11/03/1981 | US4298584 Removing carbon oxysulfide from gas streams |
11/03/1981 | US4298497 Composition for preventing cold end corrosion in boilers |
11/03/1981 | CA1111789A1 Vertical steam/liquid mix separator |
11/03/1981 | CA1111787A1 Turndown control for pressure swing adsorption |
11/03/1981 | CA1111786A1 Pollutant adsorption method and apparatus |
10/29/1981 | WO1981003034A1 Matched stage odor control system |
10/29/1981 | WO1981002985A1 Method for the separation of mixture by means of exchange of materials at different temperatures or pressures |
10/28/1981 | EP0038779A1 Process for the enrichment of SO2 separated from waste gases |
10/28/1981 | EP0038741A1 Preparation process for catalysts or catalyst supports made of titanium dioxide and its use in the Claus catalysis |
10/28/1981 | EP0038612A2 Hollow filament separatory modules |
10/28/1981 | EP0038611A2 Hollow filament separatory modules and methods of making such modules |
10/28/1981 | EP0038444A2 Method for the removal of smelling materials from exhaust air |
10/28/1981 | EP0038410A2 Device for the separation or fractionated purification of gas mixtures |
10/27/1981 | US4297332 Method for treatment of a discharge liquid produced in treatment of an exhaust gas |
10/27/1981 | US4297331 Catalysis |
10/27/1981 | US4297330 Process of selectively desulfurizing gases |
10/27/1981 | US4297329 Vapor-liquid contacting system |
10/27/1981 | US4297328 Three-way catalytic process for gaseous streams |
10/27/1981 | US4297319 Apparatus for removing nitrogen oxides from flue gas |
10/27/1981 | US4297248 Having a honeycomb structure |
10/27/1981 | US4297246 Wherein said refractory oxide is ceria, zirconia, or titania |
10/27/1981 | US4297233 Deodorizing composition for ash trays |
10/27/1981 | US4297111 Process and apparatus for the contact and separation of immiscible fluids |
10/21/1981 | EP0038224A2 Composite material for ozone removal |
10/21/1981 | EP0037944A2 Method and agent for the adsorption and catalytic decomposition of stinking gases of intestines |
10/21/1981 | EP0015260B1 Complexes of manganese with substituted phosphines, their preparation and use for sorption of gases and adducts thus obtained |
10/20/1981 | US4296166 Air filter of polyurethane mesh containing carbon adsorbent |
10/20/1981 | US4296081 Process for purifying gaseous effluents |
10/20/1981 | US4296079 Method of manufacturing aluminum sulfate from flue gas |
10/20/1981 | US4296078 Separation of hydrogen chloride from gaseous mixtures |
10/20/1981 | US4296049 Distributor for washing fluid in a scrubber or stripper |
10/20/1981 | US4295967 Fluidized bed contact apparatus |
10/20/1981 | US4295863 Method for automating and optimizing the operative cycle in adsorption dehydration plants |
10/20/1981 | CA1110833A1 Regeneration apparatus for producing sulfur dioxide |
10/20/1981 | CA1110830A1 Process for removing nitrogen oxides from gaseous mixtures |
10/20/1981 | CA1110829A1 Conversion of nitrogen oxides |
10/14/1981 | EP0037665A1 Improved acetylene recovery process and apparatus |
10/14/1981 | EP0037450A1 Process for the removal of acid and acid precursor gases and vapors from gas streams |
10/13/1981 | US4294928 Denitrification of a gas stream |
10/13/1981 | US4294821 Alcohol, amide, fatty acid |
10/13/1981 | US4294807 System for removing solids from a used lime or limestone slurry scrubbing liquor in flue gas desulfurization |
10/13/1981 | US4294806 Method for preventing the wear of a monolithic catalyst by dusts |
10/13/1981 | US4294726 Catalyst for the purification of exhaust gases of internal combustion engines |
10/13/1981 | US4294674 Denitrification and desulfurization |
10/13/1981 | US4294598 Apparatus for the separation of gas mixtures, particularly the enrichment of a gas mixture in a component containing uranium 235 |
10/13/1981 | US4294590 Scrubbing with an absorbants |