| 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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| 05/19/1981 | US4268482 Catalytic reactor |
| 05/19/1981 | US4268279 Gas transfer process with hollow fiber membrane |
| 05/19/1981 | US4268278 Inorganic anisotropic hollow fibers |
| 05/19/1981 | US4267978 Liquid distribution device in liquid-vapor contact apparatus |
| 05/19/1981 | CA1101398A1 Oxidation-reduction catalyst for the treatment of combustion gases |
| 05/19/1981 | CA1101193A1 Improved method and device for washing gaseous mixtures and extracting blisters therefrom |
| 05/19/1981 | CA1101192A1 Removal and recovery of nitrogen oxides and sulfur dioxide from gaseous mixtures containing them |
| 05/14/1981 | WO1981001250A1 Catalytic converter for ozone removal in aircraft |
| 05/12/1981 | US4267162 Process and apparatus for the exploitation of the sulfur compounds contained in gases containing oxygen and a high water vapor content |
| 05/12/1981 | US4267156 By conflowing the lime slurry and a sodium bisulfite through a mixing nozzle |
| 05/12/1981 | US4267155 By washing gas containing oxides of sulfur and nitrogen with an alkaline aqueous solution containing a removal catalyst for oxides of nitrogen |
| 05/12/1981 | US4267055 Adsorption on macroporous polymer |
| 05/12/1981 | US4266958 By dehydration using methanol; and apparatus for use in a tanker ship |
| 05/12/1981 | US4266957 Recovery of hydrogen and ammonia from purge gas |
| 05/12/1981 | US4266952 Apparatus operating with an adsorbent substance for purifying air |
| 05/06/1981 | EP0027805A1 Improved process for removal and recovery of vinyl chloride monomer from vent gas stream in polyvinyl chloride plant. |
| 05/05/1981 | US4265944 Method for decreasing pollution resulting from the application of a coating composition |
| 05/05/1981 | US4265768 Ion exchange material prepared from partially pyrolyzed macroporous polymer particles |
| 05/05/1981 | US4265763 Permeator apparatus |
| 05/05/1981 | US4265648 Centrifuge for separating gas mixtures |
| 05/05/1981 | US4265642 Process of removal of solvent vapors |
| 05/05/1981 | US4265088 System for treating and recovering energy from exhaust gases |
| 05/05/1981 | CA1100470A1 Catalysis |
| 05/05/1981 | CA1100419A1 Organic vapor respirator cartridge end-of-service indicator system and method |
| 05/05/1981 | CA1100418A1 Adsorbent fractionator with effluent powered cycle control and process |
| 05/05/1981 | CA1100292A1 Catalysis |
| 05/05/1981 | CA1100291A1 Method and apparatus for removing sulfur and nitrogen compounds from a gas mixture |
| 05/05/1981 | CA1100289A1 Refining a gas containing hydrogen sulfide, nitrogen oxides and other contaminants |
| 05/05/1981 | CA1100288A1 Separation process of acid components from gaseous mixes |
| 05/05/1981 | CA1100287A1 Dual catalyst nitric oxide reduction |
| 05/05/1981 | CA1100286A1 Process for separation of nh.sub.3 and co.sub.2 from mixtures containing them |
| 04/28/1981 | US4264660 For internal compustion engine exhaust systems |
| 04/28/1981 | US4264538 Liquid distributor |
| 04/28/1981 | US4264340 To obtain a dry nitrogen of high purity |
| 04/28/1981 | US4264339 Process for the recovery of nitrogen-rich gases from gases containing at least oxygen as other component |
| 04/28/1981 | US4264338 Method for separating gases |
| 04/28/1981 | US4263944 Method and apparatus for emptying catalyst particles from catalytic converter |
| 04/28/1981 | CA1100122A1 Removal of noxious contaminants from gas |
| 04/28/1981 | CA1100121A1 Manufacture of abrasion-resistant coke |
| 04/28/1981 | CA1100052A1 Tubesheet used in reverse osmosis hollow fiber permeators |
| 04/28/1981 | CA1099925A1 Hydrogen purification by selective adsorption |
| 04/28/1981 | CA1099899A1 Absorption process for fluoride compounds in gas mixes |
| 04/28/1981 | CA1099898A1 No translation available |
| 04/28/1981 | CA1099897A1 Method of purifying a hydrogenated gas containing acid gases |
| 04/22/1981 | EP0027398A1 Process and installation for the treatment of a gas by contacting a stream of this gas with particles of solid matter |
| 04/21/1981 | US4263270 Process for working-up hydrogen sulphide-containing gases |
| 04/21/1981 | US4263264 Method of abating nitrogen oxides in combustion waste gases |
| 04/21/1981 | US4263263 Absorption of soot with halogenated hydrocarbon |
| 04/21/1981 | US4263211 Scrubbing, distillation, dehydration using jet pump vacuum |
| 04/21/1981 | US4263026 Gas mixture separation apparatus |
| 04/21/1981 | US4263021 For absorbing gaseous contaminants |
| 04/21/1981 | US4263020 Removal of sulfur from process streams |
| 04/21/1981 | US4263019 Vapor recovery |
| 04/21/1981 | US4263018 Pressure swing adsorption process and system for gas separation |
| 04/21/1981 | US4263017 For softening water, separating gas mixtures |
| 04/21/1981 | US4262840 Rotor for high operating speeds |
| 04/21/1981 | CA1099693A1 Desulfurization of hot reducing gas |
| 04/21/1981 | CA1099513A1 Method for the preparation of a gas mixture having a desired h.sub.2s/co.sub.2 ratio |
| 04/21/1981 | CA1099491A1 Process for removing chlorine ions from the wet flue- gas processing system |
| 04/21/1981 | CA1099490A1 Process for removing mercury from mercury vapour- containing gases |
| 04/21/1981 | CA1099489A1 Method of removing mercury-containing contaminations in gases |
| 04/21/1981 | CA1099488A1 Method of and apparatus for removing nitrogen oxides from the gases containing nitrogen oxides |
| 04/21/1981 | CA1099487A1 Method for removing basic components having disagreeable odors from a gas containing the same |
| 04/15/1981 | EP0027069A1 Catalyst and process for treating exhaust gases from internal-combustion engines |
| 04/15/1981 | EP0026854A2 Process and apparatus for the production of clean high-pressure gas |
| 04/14/1981 | US4262210 Devaporizer-windmill system and apparatus |
| 04/14/1981 | US4261962 Concurrent fluid flow through bifurcated nozzle |
| 04/14/1981 | US4261863 Ozone control catalyst compositions |
| 04/14/1981 | US4261862 Platinum or palladium on a spinel coating a support |
| 04/14/1981 | US4261832 Membranes with preselected pore types for separation processes |
| 04/14/1981 | US4261716 Apparatus for recovering hydrocarbons from air-hydrocarbon vapor mixtures |
| 04/14/1981 | US4261715 Desiccant canister assembly |
| 04/14/1981 | US4261709 Bromine adsorbed on carbonaceous molecular sieve |
| 04/14/1981 | US4261707 Removal of solids, absorption of hydrocarbon vapors in liquid |
| 04/14/1981 | CA1099218A1 Pneumatically actuated electronic control for a fluid mixture adsorption separator |
| 04/14/1981 | CA1099217A1 Discharge apparatus for removing granular filter material from a filter housing and a filter apparatus having same |
| 04/14/1981 | CA1099095A1 Dual-chamber heatless dryer with high-speed dumping |
| 04/08/1981 | EP0026694A1 Gas separation apparatus |
| 04/08/1981 | EP0026577A1 Dehumidifying device |
| 04/08/1981 | EP0026418A1 Process for absorbing nitrous gases |
| 04/07/1981 | US4260590 Recovery of salts of anthraquinone disulfonic acid in the Stretford process |
| 04/07/1981 | US4259849 Chemical dehumidification system which utilizes a refrigeration unit for supplying energy to the system |
| 04/07/1981 | CA1098838A1 Hollow fiber permeator |
| 04/07/1981 | CA1098680A1 Method and apparatus for separating desublimatable components from gas mixtures |
| 04/02/1981 | WO1981000880A1 A method and a device for optimizing purification of diesel exhaust gases |
| 04/02/1981 | WO1981000843A1 Sulfur oxide removal from gas |
| 04/01/1981 | EP0026163A1 Turbulent transport contactor and method of its use |
| 04/01/1981 | EP0025919A1 A process for preferentially removing more planar molecules from mixtures with less planar molecules |
| 03/31/1981 | US4259304 Activation of coal |
| 03/31/1981 | US4259303 Method of and system for treating waste anesthetic gas |
| 03/31/1981 | US4259302 Regenerable ammonia scrubber |
| 03/31/1981 | US4259301 Hydrogen sulfide and carbon dioxide |
| 03/31/1981 | US4259300 Integrated method for pollution abatement and energy derivation from geothermal steam |
| 03/31/1981 | US4259299 Process for removing ozone from an ozone-containing gas |
| 03/31/1981 | US4259176 Reaction of product formed from alumina and sulfur oxides with hydrocarbons to form hydrogen sulfide |
| 03/31/1981 | US4259175 Sulfur dioxide and sulfur trioxide removed with organoaluminum compound |
| 03/31/1981 | US4259094 Apparatus for continuous recovery of solvent |
| 03/31/1981 | US4259092 Multilayer corrugated board of active carbon fibers |
| 03/31/1981 | US4259091 Auxiliary and main adsorber with reduced contact time between adsorbent and gases in auxiliary adsorber |
| 03/31/1981 | CA1098506A1 Process for removing acid gases with hindered amines and amino acides |