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