| 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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| 03/22/1988 | US4732583 Gas separation |
| 03/22/1988 | US4732580 Compression and separation of air |
| 03/22/1988 | US4732579 Combat vehicles, combustion |
| 03/22/1988 | US4732578 Pressure swing adsorption process |
| 03/22/1988 | US4732577 Adsorption |
| 03/22/1988 | EP0232286A4 Filtering system for paper handling machines. |
| 03/22/1988 | EP0198050A4 Air scrubbing process. |
| 03/17/1988 | DE3729695A1 Verfahren und einrichtung zum entfernen von oxiden aus dem abgasstrom eines zementofens und zur gleichzeitigen herstellung nuetzlicher produkte hieraus Method and device for the removal of oxides from the exhaust stream of a cement kiln and for the simultaneous production of useful products therefrom |
| 03/17/1988 | DE3630663A1 Fermentation and putrefaction gas utilisation method and waste gas cleaning |
| 03/17/1988 | DE3630133A1 Adsorption method |
| 03/16/1988 | EP0259883A1 A method of immobilizing arsenic or arsenic compounds contained in boiler slags or high temperature gases |
| 03/16/1988 | EP0259674A2 Process and device for the purification of air charged with toxic gases |
| 03/16/1988 | CN87106400A Two stage selfpriming injection tank for generation |
| 03/16/1988 | CN87106045A Cleaning process of wet-exhaust gas and equipment thereof |
| 03/15/1988 | US4731233 Method and composition for utilizing lime-urea hydrates to simultaneously reduce NOx and SOx in combustion effluents |
| 03/15/1988 | US4731232 Process for the purification of industrial gases or waste gases |
| 03/15/1988 | US4731231 Nitric oxide |
| 03/15/1988 | US4731224 Deodorizer |
| 03/15/1988 | US4731181 Apparatus for membrane separation |
| 03/15/1988 | CA1233965A1 Process for cleaning mercury-containing gaseous emissions |
| 03/10/1988 | WO1988001711A1 Hazardous waste reactor system |
| 03/10/1988 | WO1988001536A1 Process for simultaneous removal of dustlike and gaseous impurities from flue gases, industrial, synthetic, possibly radioactive, gaseous substances or the like (zero emission) |
| 03/10/1988 | WO1988001534A1 Process and apparatus for recovering impurities, in particular solvents, contained in gases |
| 03/10/1988 | DE3634360A1 Process for the selective catalytic reduction of nitrogen oxides |
| 03/10/1988 | DE3630486A1 Scrubbing water treatment process for simultaneous SO2/NOx wet scrubbing |
| 03/10/1988 | DE3629688A1 Verfahren zur simultanen reinigung (null-emission) von rauch-, industrie- und synthesegasen oder dergl. - gegebenenfalls radioaktiven - gasfoermigen medien von ihren staubfoermigen und gasfoermigen verunreinigungen Method for simultaneous cleaning (zero-emission) of smoke, industrial and synthesis gases or the like -. Where appropriate radioactive - houses on gaseous media by their staubfoermigen and houses on gaseous impurities |
| 03/10/1988 | DE3628891A1 Process for removing nitrogen oxides and sulphur oxides from flue gas |
| 03/10/1988 | DE3621702A1 Process for regenerating an aluminium oxide catalyst loaded with nitric acid and sulphuric acid |
| 03/09/1988 | EP0259288A2 Process and dope for forming asymmetric gas separation membranes having graded density skins |
| 03/09/1988 | EP0259109A2 Permeable membranes having high flux-density and low fouling propensity and processes including their use |
| 03/09/1988 | EP0258979A1 Apparatus for simultaneous heat and mass transfer |
| 03/09/1988 | EP0258813A1 Catalytic granule converter |
| 03/09/1988 | EP0258747A2 Method of removing acid and/or sulfurous gases |
| 03/09/1988 | EP0258744A2 Method for the purification and reheating of exhaust gases |
| 03/09/1988 | EP0258743A2 Method for the purification of exhaust gases |
| 03/09/1988 | EP0258487A1 Process and apparatus for cleaning and recycling gas |
| 03/09/1988 | EP0258465A1 Catalyst for reducing the nitrogen oxide content of combustion gases |
| 03/09/1988 | CN87105779A Method and system for exhaust gas stream scrubbing |
| 03/09/1988 | CN87104044A Improved process for separation of acid gases |
| 03/09/1988 | CN87103687A A catalyst for the selective oxidation of sulfur containing compounds in particular hydrogen sulfide to elemental sulfur, anppppppprocess |
| 03/09/1988 | CN86105411A Method of processing coal gas |
| 03/08/1988 | US4729982 Precursor for ammonia synthesis catalyst, cylinders, passageways |
| 03/08/1988 | US4729975 Grids, abrasives, fluidization |
| 03/08/1988 | US4729883 Compounds of alkali metal or ammonia with alkanolamine promoter |
| 03/08/1988 | US4729882 Process for cleaning mercury-containing gaseous emissions |
| 03/08/1988 | US4729857 Liquid distributor for packed tower |
| 03/08/1988 | US4729774 Cooling systems |
| 03/08/1988 | US4729177 Equipment for the deodorization of the fabric in machinery for textile processing |
| 03/08/1988 | CA1233742A1 Tower packing elements |
| 03/03/1988 | DE3726502A1 Process for producing a metal support body |
| 03/03/1988 | DE3713950A1 Apparatus for flue gas purification and waste heat utilisation in the case of relatively small furnaces |
| 03/03/1988 | DE3628572A1 Heatable lambda probe |
| 03/02/1988 | EP0258206A1 Process for purifying gases and apparatus for its performance |
| 03/02/1988 | EP0257935A2 Water separator |
| 03/02/1988 | EP0257493A1 Adsorptive separation of gas mixtures |
| 03/02/1988 | EP0257307A1 A method for denitrizing nitrogen oxides contained in waste gas |
| 03/02/1988 | EP0257158A1 Processing method for gas containing a compound of sulphur and hydrocarbon material |
| 03/02/1988 | EP0257124A1 Hydrogen sulfide removal |
| 03/02/1988 | EP0257024A1 Process for the selective elimination of nitric oxides contained in exhaust gases. |
| 03/02/1988 | CN87204055U Recoverable device of waste-steam |
| 03/02/1988 | CN87201682U Deodorization filter for refrigerator |
| 03/02/1988 | CN87106272A Asymmetric gas sepn. membrane comprising aromatic polysulphone |
| 03/02/1988 | CN86104137B Moving bed activated carbon absorption-desorption device |
| 03/01/1988 | US4728635 Removal of sulfur oxide and nitrogen oxide |
| 03/01/1988 | US4728503 Filter medium for treating an exhaust gas |
| 03/01/1988 | US4728346 Permselectivity |
| 03/01/1988 | US4728345 Preferential permeability |
| 03/01/1988 | US4728343 Absorption of hydrocarbon vapors by vulcanized rubber |
| 03/01/1988 | US4728342 Adsorption on powder without agglomeration |
| 02/25/1988 | WO1988001198A2 Process and device for optimising energy output in heating installations, reducing the pollutants generated and cleaning flue gases |
| 02/25/1988 | WO1988001181A1 Apparatus for the oxidation of particles suspended in the air |
| 02/25/1988 | DE3726565A1 Process and apparatus for purifying gas streams containing solvent vapours and/or other impurities |
| 02/25/1988 | DE3628403A1 Separating off, by chemical absorption, highly toxic pollutants, such as dioxins, furans, formaldehydes, PAH's (polyaromatic hydrocarbons) and other toxic substances |
| 02/25/1988 | DE3628402A1 Biochemical filter for the purification of exhaust air from refuse treatment and composting plants |
| 02/25/1988 | DE3628030A1 Biological process for gas impurities - in three stages using packing column and bio:filters |
| 02/24/1988 | EP0257012A2 Asymmetric gas separation membranes having graded density skins |
| 02/24/1988 | EP0257011A2 Permeation modified asymmetric gas separation membranes having graded density skins |
| 02/24/1988 | EP0256822A1 Vehicle exhaust gas systems |
| 02/24/1988 | EP0256741A2 Sulphur recovery process using metal oxide absorbent with reducing gas purge |
| 02/24/1988 | EP0256590A2 Bimetallic catalyst |
| 02/24/1988 | EP0256588A1 Spray absorber |
| 02/24/1988 | EP0256529A1 Method of preventing deactivation of denitrating catalyst |
| 02/24/1988 | EP0256359A1 Catalysts and use thereof for removing nitrogen oxides in exhaust gas |
| 02/24/1988 | EP0256294A1 Method of absorbing combustible organic vapors by vulcanized rubber |
| 02/24/1988 | EP0256209A2 Catalyst for reducing nitrogen oxides in exhaust gases |
| 02/24/1988 | EP0256103A1 Process and device for purifying exhaust air |
| 02/24/1988 | EP0256010A1 Use of an active coke for removal of nitrogen oxide from exhaust gases. |
| 02/24/1988 | CN85106271B Method and system for purification of waste gases |
| 02/23/1988 | US4727052 Automobile exhaust systems |
| 02/23/1988 | US4726940 Method of purifying exhaust gas |
| 02/23/1988 | US4726935 Monitoring deterioration of catalyst during continuous processing |
| 02/23/1988 | US4726903 Continuous flow separation or mixing by electrophoresis with moving boundary sorption |
| 02/23/1988 | US4726821 Apparatus for the treatment of substrates in a gas stream |
| 02/23/1988 | US4726817 Method and device for recovering in liquid form the water present in the atmosphere in vapor form |
| 02/23/1988 | US4726816 Reformer-pressure swing adsorption process for the production of carbon monoxide |
| 02/23/1988 | US4726815 Process for adsorbing and separating carbon dioxide from gas mixture |
| 02/23/1988 | US4726302 Method of reducing the nitrogen oxide content of a flue gas produced by a fossil-fuel power plant |
| 02/23/1988 | US4726105 Interior bonded to heat resistant shell by hot working; partially dissolved to form honeycomb |
| 02/23/1988 | CA1233127A1 Method for controlling simulated moving bed system |
| 02/23/1988 | CA1233014A1 Physical solvent for gas sweetening |