| 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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| 03/31/1981 | CA1098452A1 Gas phase permeable filter and method for making same |
| 03/31/1981 | CA1098295A1 Method of fabricating separation nozzle elements |
| 03/31/1981 | CA1098289A1 Regenerator flow distribution device |
| 03/31/1981 | CA1098287A1 Process for removing sulfur and no.sub.x components from a gas stream |
| 03/31/1981 | CA1098285A1 Process for working-up hydrogen sulphide-containing gases |
| 03/24/1981 | US4258020 Process for the simultaneous separation of sulfur and nitrogen oxides from a gaseous mixture |
| 03/24/1981 | US4258019 Process of regenerating alkali carbonate solutions formed by the desulfurization of hot gases |
| 03/24/1981 | US4257918 Catalyst mixture for the catalytic reduction of nitrogen oxides in gaseous mixtures |
| 03/24/1981 | US4257783 Method of and a device for separating paint residuals and solvents from the exhaust air of a paint spray chamber |
| 03/24/1981 | US4257372 Internal combustion engine exhaust passage structure |
| 03/24/1981 | CA1098105A1 Catalyst for automotive emission control and method for making same |
| 03/24/1981 | CA1098051A1 Adsorption process for the separation of gaseous mixtures |
| 03/24/1981 | CA1098050A1 Process for the recovery of nitrogen-rich gases from gases containing at least oxygen as other component |
| 03/24/1981 | CA1098027A1 Hinged pressure relief tray |
| 03/24/1981 | CA1097891A1 Methods and apparatus for treating a gas flow |
| 03/18/1981 | EP0025342A1 Apparatus for extracting water from ambient air |
| 03/17/1981 | US4256855 Homo- and copolymers of acrylic esters or vinyl ethers containing crown ether rings; extractors; gas absorbers |
| 03/17/1981 | US4256728 Deodorization method |
| 03/17/1981 | US4256713 Flue gas treatment with intermittent addition of alkaline reagent to scrubbing liquor |
| 03/17/1981 | US4256712 Regenerable process for SO2 removal employing gelatinous aluminum hydroxide as absorbent |
| 03/17/1981 | US4256711 Catalysis |
| 03/17/1981 | US4256710 Process for deodorization |
| 03/17/1981 | US4256674 Counter-current gas-liquid contact apparatus |
| 03/17/1981 | US4256609 Physical adsorption of a group 6,7,or 8 metal compound |
| 03/17/1981 | US4256469 Repressurization technique for pressure swing adsorption |
| 03/17/1981 | CA1097575A1 Process for operating an adsorption filter |
| 03/17/1981 | CA1097487A1 Method and apparatus for reducing no.sub.x emission to the atmosphere |
| 03/17/1981 | CA1097485A1 Process to enrich acid gases with h2s |
| 03/17/1981 | CA1097477A1 Process for separating so.sub.2 from a current of gas, with production of sulphuric acid by the nitric oxide process |
| 03/11/1981 | EP0024809A1 Apparatus for cross-flow contacting of a fluid with particulate solids in a magnetically-stabilized bed of said solids, and processes using same |
| 03/11/1981 | EP0024746A1 Process for the absorption and removal of hydrogen sulphide as elemental sulphur from gases or gas mixtures, and an alkaline solution containing a derivative of anthraquinone sulfonic acid amide |
| 03/11/1981 | EP0024718A2 Device for increasing or decreasing the oxygen content of air, and method of producing and of operating it |
| 03/11/1981 | EP0024595A1 Process for removing mists of lubricants and vapours of lubricants from a gaseous stream |
| 03/11/1981 | EP0024551A2 Process and apparatus for removing sulfur dioxide from industrial waste gas |
| 03/11/1981 | EP0024515A1 Process for manufacturing separating nozzles for separating gaseous or vaporous mixtures, particularly isotopic mixtures, and separating nozzles produced according to this process |
| 03/10/1981 | US4255590 Comminution, heating, contact with calcium oxide; noncatalytic oxidation; bromine-free gaseous discharge |
| 03/10/1981 | US4255410 Centrifugal force |
| 03/10/1981 | US4255408 Process for removing sulfur and sulfur compounds from the effluent of industrial processes |
| 03/10/1981 | US4255403 Magnetically stabilized fluid cross-flow contactor having support means and process for using the same |
| 03/10/1981 | US4255402 Sulphur dioxide gas scrubbing process |
| 03/10/1981 | US4255401 Treatment of exhaust gas containing sulfur oxides and nitrogen oxides |
| 03/10/1981 | US4255400 Process for oxidizing oxides of sulfur |
| 03/10/1981 | US4255388 Multistage reactor for desulfurization with aqueous sodium sulfite-sodium carbonate |
| 03/10/1981 | US4255171 Heat transfer medium for rotary heat transferrers |
| 03/10/1981 | US4255168 Turbulent transport contactor and method of operation |
| 03/10/1981 | US4255167 Process for purifying cyanogen chloride gas |
| 03/10/1981 | US4255166 Controlling the porosity in a ferromagnetic catalytic bed |
| 03/10/1981 | US4254616 High speed; small particle size; low pressure drop; continuous processing |
| 03/10/1981 | US4254558 Louvered magnetically stabilized fluid cross-flow contactor and processes for using the same |
| 03/10/1981 | US4254557 Magnetically stabilized fluid cross-flow contactor and process for using the same |
| 03/09/1981 | EP0020684A4 Process and apparatus for pumping gases using a chemically reactive aerosol. |
| 03/05/1981 | WO1981000522A1 Gas-permeable membrane,method of making it and blood oxygenator based on the use thereof |
| 03/03/1981 | US4254092 Method for separating hydrogen chloride and hydrogen bromide |
| 03/03/1981 | US4254086 Endothermal water decomposition unit for producing hydrogen and oxygen |
| 03/03/1981 | US4253992 Ceramic honeycomb composite structure, catalyst supported thereby and method of producing the same |
| 03/03/1981 | US4253925 Method and apparatus for catalytic dissociation of NO |
| 03/03/1981 | US4253853 Contactor and entrainment separator |
| 03/03/1981 | US4253315 Refrigerated air dryer |
| 03/03/1981 | US4253302 Exhaust gas purifying device for internal combustion engine |
| 03/03/1981 | CA1096590A1 Sodium oxide fume for sulfur oxide removal |
| 03/03/1981 | CA1096589A1 Process for the removal of sulfurous gases from the emissions of chemical processes |
| 02/25/1981 | EP0024097A1 Apparatus and process for treating a fluid material while it is subjected to a centrifugal force |
| 02/24/1981 | US4252780 Process for working up hydrolyzable and/or water-soluble compounds |
| 02/24/1981 | US4252779 Synthetic imogolite |
| 02/24/1981 | US4252778 Absorption by iron sulfate or iron sulfite coating on limestone |
| 02/24/1981 | US4252690 Multilayer, oxidation catalysts, titanium |
| 02/24/1981 | US4252687 Catalysts |
| 02/24/1981 | US4251924 Removing residual dampness from an adsorption cell |
| 02/18/1981 | EP0024061A1 A process for the simultaneous removal of nitrogen oxides and sulphur oxides from a gas stream |
| 02/17/1981 | US4251497 Process control by correlating heat of neutralization with concentration; sulfur dioxide |
| 02/17/1981 | US4251496 By reacting with cerium oxide to form cerium oxysulfate, which is contacted with nitrogen oxides in the presence of ammonia |
| 02/17/1981 | US4251495 Process for purifying a hydrogen sulfide containing gas |
| 02/17/1981 | US4251494 Process for removing acidic compounds from gaseous mixtures using a two liquid phase scrubbing solution |
| 02/17/1981 | US4251493 Desulfurization using anthraquinone sulfonamide and compound of polyvalent metal |
| 02/17/1981 | US4251492 Purification process |
| 02/17/1981 | US4251486 Redox reaction with sodium carbonate |
| 02/17/1981 | US4251485 Apparatus for cleansing noxious constituents from gas streams |
| 02/17/1981 | US4251457 Process for purification of the off-gases resulting from the production of benzoyl chloride from phosgene |
| 02/17/1981 | US4251452 Manganese (II) complexes |
| 02/17/1981 | US4251340 Terpolymerization of ethylene, sulfur dioxide and carbon monoxide |
| 02/17/1981 | US4251238 Filtration through highly porous nonwoven metal fabric |
| 02/17/1981 | US4251236 Process for purifying the off-gases from industrial furnaces, especially from waste incineration plants |
| 02/17/1981 | US4251235 Multizonal cycle based on pressure differential and dilution |
| 02/17/1981 | CA1095827A1 Regular packing element for mass transfer columns |
| 02/17/1981 | CA1095694A1 Odor control system |
| 02/17/1981 | CA1095693A1 Removal of nitrogen oxides from industrial gases by use of oxidizing solutions in which nitrates are the oxidants |
| 02/17/1981 | CA1095692A1 Power generation |
| 02/11/1981 | EP0023745A2 Process and apparatus for effecting mass transfer |
| 02/11/1981 | EP0023679A1 Process for the adsorptive purification or separation of gas mixtures |
| 02/11/1981 | EP0023642A1 Method for the separation of acid components from waste gases |
| 02/11/1981 | EP0023611A1 Process for the purification of process gas from the pyrolysis of waste |
| 02/11/1981 | EP0023550A1 Process for the selective scrubbing of sulfur compounds from moist gas mixtures |
| 02/11/1981 | EP0023523A1 Method for the transformation into sulphur dioxide of sulphuric anhydride contained in a gas mixture |
| 02/10/1981 | US4250152 Sulfur dioxide scrubber with hyroclone separator |
| 02/10/1981 | US4250150 Process for the treatment of gaseous mixtures, which contain sour gases, with organic solvents |
| 02/10/1981 | US4250035 Chromatography |
| 02/10/1981 | US4249917 Sterilization gas separation process |
| 02/10/1981 | US4249916 Using blank-off plates and louver dampers to shut down for maintenance while continually operating coal-fired steam electric generator plant |
| 02/10/1981 | US4249915 Removal of water and carbon dioxide from air |
| 02/10/1981 | US4249904 Method and apparatus for extraction of airborne N-nitroso compounds without artifact formation |