| 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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| 03/10/1993 | CN1069673A Normal tempreture organic sulphur hydrolysis catalyst and its preparation |
| 03/10/1993 | CN1069670A method of removing ethane and hydrocarbons above ethane from gas-state hydrocarbons |
| 03/09/1993 | US5192518 Calcium carbonate absorbent, magnetic fly ash separation |
| 03/09/1993 | US5192517 Gas reacting method |
| 03/09/1993 | US5192516 Method for low nitrogen oxide combustion in supersonic transports |
| 03/09/1993 | US5192515 Reduction of nitrogen oxide and carbon monoxide in effluent gases |
| 03/09/1993 | US5192514 Method of removing selenium from flue gases |
| 03/09/1993 | US5192499 Fluid processing apparatus and artificial lung |
| 03/09/1993 | US5192345 System and process for the purification treatment of smokes, dusts and exhaust gases after combustion |
| 03/09/1993 | US5192341 Selected solvent composition and process employing same |
| 03/09/1993 | US5192340 Hollow fiber filter cleaning system and more particularly to the control of emissions from solvent cleaning equipment |
| 03/09/1993 | US5191980 Protective vessel for a getter material |
| 03/09/1993 | US5191845 Fossil fuel power plants with drying by heat exchanging, supplying exhaust vapors and combustion |
| 03/09/1993 | US5191771 Ducts with desiccants, refrigeration and heating |
| 03/09/1993 | US5191721 Microwave regenerable desiccant cartridge |
| 03/09/1993 | CA1314277C Palladium alloy as catalyst for the oxidation of hydrogen in an atmosphere containing hydrogen and oxyden |
| 03/09/1993 | CA1314276C Alkaline earth metal spinels and processes for making and using same |
| 03/09/1993 | CA1314275C Process for eliminating organic odors and compositions for use therein |
| 03/09/1993 | CA1314253C Process for the treatment of oxygenated exhaust gases |
| 03/06/1993 | WO1993004766A1 Method and apparatus for processing exhaust gas |
| 03/06/1993 | CA2095542A1 A method for treating exhaust gas and an apparatus therefor |
| 03/04/1993 | WO1993004773A1 Bulk-material reactor |
| 03/04/1993 | WO1993004016A1 Process for minimising the emission of odours in the processing of a compost clamp and device for its implementation |
| 03/04/1993 | WO1993003998A1 PROCESS AND APPARATUS FOR REMOVING NOx FROM EXHAUST GASES USING CYANURIC ACID__________________________________________________ |
| 03/04/1993 | WO1993003840A1 Aluminum oxide catalyst supports from alumina sols |
| 03/04/1993 | WO1993003833A1 Device for regenerating contaminated carbon-containing adsorbents, and use thereof |
| 03/04/1993 | WO1993003824A1 Method for purification of waste gases |
| 03/04/1993 | WO1993003823A1 Process for the purification of contaminated exhaust gases from incineration plants |
| 03/04/1993 | WO1993003822A1 Compressed air system with twin air dryers |
| 03/04/1993 | WO1993003821A1 Semi-permeable gas separation membranes having non-ionic surfactants disposed on a membrane surface or within membrane structure and processes for making and using the same |
| 03/04/1993 | WO1993003820A1 Process for removing volatile organic compounds using molecular sieves containing charged octahedral sites |
| 03/04/1993 | WO1993003819A1 Device and method for the biological cleaning of pollutant gas |
| 03/04/1993 | DE4129216A1 Pre converter for internal combustion engine exhaust catalytic converter - has a hollow cylindrical catalyst support body with by=pass pipe to main converter and is highly efficient over short journeys |
| 03/04/1993 | DE4129166A1 Verfahren zur reinigung von rauchgas Method for cleaning of flue gas |
| 03/04/1993 | DE4128629A1 Silberhaltiger traegerkatalysator und verfahren zur katalytischen zersetzung von distickstoffmonoxid A silver traegerkatalysator and process for the catalytic decomposition of dinitrogen monoxide |
| 03/04/1993 | DE4128565A1 Removing pollutants from gases, liq. or solids by chemisorption |
| 03/04/1993 | CA2116233A1 Method for purification of waste gases |
| 03/04/1993 | CA2115041A1 Aluminum oxide catalyst supports from alumina sols |
| 03/04/1993 | CA2095142A1 Bulk-material reactor |
| 03/03/1993 | EP0530019A2 Gas Dryers |
| 03/03/1993 | EP0529661A2 Gas separation process and unit therefor |
| 03/03/1993 | EP0529513A2 Pressure swing adsorption for hydrogen with high productivity |
| 03/03/1993 | EP0529401A1 Process for absorption of explosive gases in a mass transfer column |
| 03/03/1993 | EP0529315A1 Process for cleaning particle-filters loaded with soluble particules |
| 03/03/1993 | EP0529243A1 Method of treating process gases or flue gases containing halogenous compounds |
| 03/03/1993 | EP0529052A1 Gas separations utilizing glassy polymer membranes at sub-ambient temperatures. |
| 03/03/1993 | EP0528982A1 Catalysts for the destruction of halogenated organics. |
| 03/03/1993 | EP0528896A1 Dehumidifier |
| 03/03/1993 | EP0528873A1 Growing sodium type x zeolite crystals |
| 03/03/1993 | EP0516630A4 Process for recovery and treatment of a diverse waste stream |
| 03/03/1993 | CN1069424A Chemical purifying apparatus for chimney exhaust gas |
| 03/03/1993 | CN1019950C Process for desulphurization of coke-oven gas |
| 03/03/1993 | CN1019949C Reactor for reducing content of nitrogen oxide and sulphur oxide in combustion gas |
| 03/03/1993 | CN1019948C Method of inhibiting adhesion of by-producct inside duct in treatment of waste gas by electron beam irradiation |
| 03/02/1993 | US5191154 Method and system for controlling chemical reaction in a molten bath |
| 03/02/1993 | US5190908 Multilayer bed, gold or silver layer, layer of alumina pellets impregnated with copper oxide, hydroxide and sulfide |
| 03/02/1993 | US5190806 Liquid-penetration-resistant sorbent laminate |
| 03/02/1993 | US5190668 Stripping, oxidation catalyst on hydrophobic support |
| 03/02/1993 | US5190667 Separation of gases and solutes by augmented diffusion in counterflow |
| 03/02/1993 | US5190662 Flowing solutions over a bed |
| 03/02/1993 | US5190569 Purification apparatus for pneumatic systems |
| 03/02/1993 | US5190451 Emission control fluid bed reactor |
| 03/02/1993 | US5189876 Exhaust gas purification system for an internal combustion engine |
| 03/02/1993 | CA1314006C Gas dehydration membrane apparatus |
| 03/02/1993 | CA1313939C Desulphurisation by using separation stage for producing concentrate steam having high sulphur compound's content |
| 02/28/1993 | CA2076454A1 Pressure swing adsorption for hydrogen with high productivity |
| 02/27/1993 | CA2068392A1 Separation of pollutants from flue gas of fossil fuel combustion and gasification |
| 02/25/1993 | DE4128106A1 Removing condensed poly-cyclic hydrocarbon(s) from waste flue gas - by adsorption on a solid de-aluminised zeolite using specified silica-alumina ratio |
| 02/25/1993 | DE4127988A1 Acetylene absorption from crude ethylene@ and opt. ethane gas mixt. - in plate column with mixing zone for absorbent and liquefied prod. to prevent frothing |
| 02/25/1993 | DE4127987A1 Acetylene absorption from crude ethylene@ and opt. ethane gas mixt. - in plate column with external mixer for absorbent and condensed prod. to prevent frothing |
| 02/24/1993 | EP0528709A1 Process for separating a gas mixture by means of absorption |
| 02/24/1993 | EP0528110A1 Process for the biological purification of exhaust air |
| 02/24/1993 | EP0527989A1 Process and device for separting gases by surface diffusion. |
| 02/24/1993 | EP0527984A1 Method for producing homogeneous, fine, pulverulent solids dispersions optionally containing active substances |
| 02/24/1993 | EP0527968A1 Device for the recombination of hydrogen and oxygen and the use of said device. |
| 02/24/1993 | CN1069320A Compressed air drying process |
| 02/24/1993 | CN1069259A Purification of 1,1,1,2-tetrafluoroethane |
| 02/24/1993 | CN1069206A Producing oxygen enriched product stream |
| 02/24/1993 | CN1069205A Gas separation process |
| 02/24/1993 | CN1069204A Equipment for separation of gases |
| 02/23/1993 | US5188811 Molybdenum-based additives to mixed-metal oxides for use in hot gas cleanup sorbents for the catalytic decomposition of ammonia in coal gases |
| 02/23/1993 | US5188645 Method and apparatus for dew point adjustment using dry dehumidifier |
| 02/23/1993 | US5188644 Filter, bag and method |
| 02/23/1993 | US5188041 Apparatus and method for low temperature thermal stripping of volatile organic compounds from soil and waste materials with non-oxidative co-current gases |
| 02/23/1993 | CA1313825C Exhaust gas processing apparatus for paint drying oven |
| 02/20/1993 | CA2075129A1 Collection device for gaseous emissions |
| 02/20/1993 | CA2049507A1 Pressurization psa systems for the production of high purity product gas |
| 02/18/1993 | WO1993002969A1 High temperature wet oxidation using sintered separators |
| 02/18/1993 | WO1993002961A1 Removal of hydrogen sulphide |
| 02/18/1993 | WO1993002775A1 Process for producing a catalyzer for removing nitrogen oxides from waste gas |
| 02/18/1993 | WO1993002774A1 Process of producing calcium hydroxide for fluidized bed absorption |
| 02/18/1993 | WO1993002773A1 Method of purifying flue gases containing high concentrations of mercury |
| 02/18/1993 | WO1993002771A1 A method and an apparatus for cleaning extensive air volumes containing low concentrations of pollutants of hydrocarbons |
| 02/18/1993 | WO1993002751A1 Method and system for controlling chemical reaction in a molten bath |
| 02/18/1993 | WO1993002716A1 Room air purifier |
| 02/18/1993 | WO1992022449A3 Air dryer purge cycle timing control |
| 02/18/1993 | WO1992020432A3 Process and device for the removal of ethylene oxide gas |
| 02/18/1993 | DE4127075A1 Verfahren zum reinigen von belasteten abgasen von verbrennungsanlagen Incinerators method for cleaning of contaminated waste gases from |
| 02/18/1993 | DE4127006A1 Assembly to regenerate carbonaceous-laden adsorbents - includes stacked moving layers of adsorbent subjected to contra:flows of anaerobic gases and joined by channel of smaller cross=section than that of layers, etc. |
| 02/18/1993 | CA2114431A1 Removal of hydrogen sulphide |