| 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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| 10/03/1990 | EP0390765A1 Splashing boards resistant to biofouling |
| 10/03/1990 | EP0390464A2 Mist elimination in paint spraying |
| 10/03/1990 | EP0390392A2 Separation of gas mixtures |
| 10/03/1990 | EP0390059A2 Process for purifying exhaust gas and catalyst molded article for use in it |
| 10/03/1990 | EP0389698A1 Method and apparatus for the production and liquefaction of gases |
| 10/03/1990 | CN1045706A Oxygen supply system with nitrogen-permeable-oxygen-enriching membrane |
| 10/03/1990 | CN1009800B Method for releasing adsorbed gas into atmosphere |
| 10/03/1990 | CA2013759A1 Steam scrubbing method and system for exhaust gases |
| 10/02/1990 | US4960579 Membrane process and system for nitrogen production |
| 10/02/1990 | US4960577 Enhanced sorbent injection combined with natural gas reburning for a sox control for coal fired boilers |
| 10/02/1990 | US4960576 Injecting ferric chelate which is reduced to ferrous chelate |
| 10/02/1990 | US4960575 Using soluble polymeric catalyst |
| 10/02/1990 | US4960574 Palladium containing catalyst for treatment of automotive exhaust |
| 10/02/1990 | US4960447 Reactor with moving layer for the removal of undesirable gaseous components from gases |
| 10/02/1990 | US4960445 Process for removing SO2 and fly ash from flue gas |
| 09/30/1990 | WO1990011124A1 Tower packing cartridge |
| 09/28/1990 | CA2013264A1 Process for the purification of waste gases emitted from a melting furnace |
| 09/28/1990 | CA2013142A1 Method for obtaining heavy metal carbides with high specific surface |
| 09/27/1990 | DE3909697A1 Flue gas purification system |
| 09/27/1990 | DE3909543A1 Apparatus for recovering solvents |
| 09/27/1990 | DE3909315A1 Process for the production of catalyst plates |
| 09/27/1990 | DE3909062A1 Verfahren zur zersetzung von abfallaugen aus absorptionsprozessen Absorption processes method for decomposition of waste eyes from |
| 09/26/1990 | EP0389126A2 Membrane process for treatement of fluorinated hydrocarbon-laden gas streams |
| 09/26/1990 | EP0389100A1 Gas and odor adsorbing unit |
| 09/26/1990 | EP0388883A2 Device for purifying gases |
| 09/26/1990 | EP0378578A4 Improved autoclave for hazardous waste |
| 09/26/1990 | EP0271556B1 Method and device for deacidifying a gas containing h 2?s and/or co 2? as well as mercaptans |
| 09/26/1990 | CN1045630A Gas responance device |
| 09/26/1990 | CN1045571A Method of producing cement or concrete |
| 09/25/1990 | USRE33352 Absorption process for producing oxygen and nitrogen and solution therefor |
| 09/25/1990 | US4959342 Exhaust systems, stainless steel substrate, aluminum-iron alloy |
| 09/25/1990 | US4959339 Heat-resistant noble metal catalyst and method of producing the same |
| 09/25/1990 | US4959177 Reducing stress corrosion cracking in treating gases with alkanol amines |
| 09/25/1990 | US4959155 Method for the purification of fluids such as water, aqueous fluids and fuel fluids |
| 09/25/1990 | US4959086 Removing hydrogen sulphide from a gas mixture |
| 09/25/1990 | US4959084 Combined air and water pollution control system |
| 09/25/1990 | US4959083 Separation of gas mixtures |
| 09/25/1990 | US4959082 Polycarbonate gas separation membranes containing substituted benzenes and processes for making and using the same |
| 09/25/1990 | US4958428 Process and an arrangement for producing a supporting body for a catalytic reactor |
| 09/25/1990 | CA1274550A1 Liquid removal enhancement |
| 09/25/1990 | CA1274376A1 Liquid gas absorption process |
| 09/23/1990 | WO1990011118A1 Removal and destruction of volatile organic compounds from gas streams |
| 09/23/1990 | CA2049966A1 Removal and destruction of volatile organic compounds from gas streams |
| 09/23/1990 | CA2012855A1 Membrane process for treatment of fluorinated hydrocarbon-laden gas streams |
| 09/20/1990 | WO1990010835A1 Absorber for a diffusion absorption plant |
| 09/20/1990 | WO1990010498A1 Apparatus and process for the reversible adsorption of chlorinated hydrocarbons, in particular tetrachloroethylene, on suitable adsorbents |
| 09/20/1990 | WO1990010493A1 Process for coating a catalyst support |
| 09/20/1990 | DE3908739A1 Process for the removal or decrease of halogenated aromatic compounds from exhaust gases of incineration plants for waste or special waste |
| 09/20/1990 | DE3908052A1 Process and apparatus for treating exhaust gases by oxidation of pollutants |
| 09/19/1990 | EP0388284A1 Method and apparatus for burning fuels rich in chlorinated products and/or heavy metals |
| 09/19/1990 | EP0388252A2 Method of separating condensible vapors from particles in highly compressed gases |
| 09/19/1990 | EP0388094A1 Methods of ozone decomposition and catalyst structures used therein |
| 09/19/1990 | EP0387928A2 Desulfurizing agent and process for manufacturing thereof |
| 09/19/1990 | EP0387611A1 Auto exhaust catalyst composition having low emissions of hydrogen sulphide |
| 09/19/1990 | EP0387604A1 Desiccant tablets |
| 09/19/1990 | EP0387434A1 Dust collecting element for electrostatic dust collector, and electrostatic dust collecting method using said element |
| 09/19/1990 | EP0387417A1 Method of eliminating or diminishing halogenated aromates in exhaust gases from the combustion of refuse |
| 09/19/1990 | EP0387394A1 Process for manufacturing the body of a filter or a catalyst |
| 09/19/1990 | EP0387256A1 Method of removing nitrogen monoxide from a nitrogen monoxide-containing gas using a water-soluble iron-dithiocarbamate, xanthate or thioxanthate |
| 09/19/1990 | EP0250475B1 Method and plant for the recovery of energy from waste and residues |
| 09/18/1990 | US4957896 Catalyst for purification of exhaust gases |
| 09/18/1990 | US4957718 Waste from regeneration zone of catalytic cracking unit, mixed metal oxides |
| 09/18/1990 | US4957716 Method for removal of SO2 and NOx from combustion gases by metal chelation and thermal reduction |
| 09/18/1990 | US4957715 Removal of hydrogen sulfide, alkyl mercaptans, carbon dioxide from hydrocarbon gas, adsorption, high and low boiling, regeneration |
| 09/18/1990 | US4957710 Drying paint on automobiles |
| 09/18/1990 | US4957523 High speed pressure swing adsorption liquid oxygen/liquid nitrogen generating plant |
| 09/18/1990 | US4957521 Packet strip |
| 09/18/1990 | US4957519 Air-cleaning apparatus |
| 09/18/1990 | US4957518 Assembly useful for retaining components such as a filter to a container and a corresponding combination |
| 09/18/1990 | US4957515 Process for sulfur removal and recovery from fuel gas using physical solvent |
| 09/18/1990 | US4957513 Polysulfone semipermeable membranes |
| 09/18/1990 | US4957512 Method of cleaning gas from solid and gaseous matter and apparatus materializing same |
| 09/18/1990 | CA1274305A1 Matrix address display apparatus |
| 09/18/1990 | CA1274168A1 Argon recovery from hydrogen depleted ammonia plant purge gas utilizing a combination of cryogenic and non-cryogenic separating means |
| 09/17/1990 | CA2011514A1 Method of producing cement or concrete |
| 09/13/1990 | DE3915308A1 Packed contra-flow stripping column - two separate stripping sections are used to reduce, cost of cleaning water contaminated with volatile substances |
| 09/13/1990 | DE3907703A1 Process for separating off nitrogen oxides from flue gases and apparatus therefor |
| 09/13/1990 | DE3907330A1 Separation process |
| 09/13/1990 | DE3907259A1 Apparatus for drying gases |
| 09/13/1990 | DE3907167A1 Process for producing a dehumidifier element |
| 09/12/1990 | EP0387109A1 Process for the preparation of activated alumina agglomerates, as-produced agglomerates and apparatus for their preparation |
| 09/12/1990 | EP0387044A1 Catalyst and method for ozone decomposition |
| 09/12/1990 | EP0386596A2 Dry type simultanenous desulfurization and dedusting apparatus and method of operation therefor |
| 09/12/1990 | EP0386505A2 Process for eliminating noxious gases from gases and moving bed reactor for executing the process |
| 09/12/1990 | EP0386284A1 Process for coating a catalyst support |
| 09/12/1990 | EP0386184A1 Gas separation membranes derived from polycarbonates, polyesters, and polyestercarbonates containing tetrafluorobisphenol f |
| 09/12/1990 | EP0248857B1 Process for the simultaneous dry absorption of s o 2 and reduction of n o x in fluidized bed furnaces |
| 09/12/1990 | CN1045231A Method and apparatus for wetting particles contained in gas flow |
| 09/11/1990 | US4956330 Catalyst composition for the oxidation of carbon monoxide |
| 09/11/1990 | US4956329 High surface area cordierite catalyst support structures |
| 09/11/1990 | US4956162 Pollution control for coal furnaces for generation of electricity |
| 09/11/1990 | US4956161 Process for removing SO from a gaseous mixture (OP-3409) |
| 09/11/1990 | US4956160 Corrosion resistance |
| 09/11/1990 | US4956152 Emission control unit |
| 09/11/1990 | US4956095 Water or gas purification by bulk absorption |
| 09/11/1990 | US4956087 Dimensional stability |
| 09/11/1990 | US4956057 Process for complete removal of nitrites and nitrates from an aqueous solution |
| 09/11/1990 | US4955998 Process for separating gas |
| 09/11/1990 | US4955994 Compressed gas apparatus |
| 09/11/1990 | US4955993 Semi-permeable hollow fiber gas separation membranes possessing a non-external discriminating region |