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)
03/1979
03/27/1979US4146277 Desiccant cap
03/27/1979US4145818 Method and apparatus for removing a vaporized liquid from a gas, for use in e.g. a process based on the fluidized bed principle
03/27/1979CA1051298A1 Gas reheating system using hot precipitator
03/21/1979EP0001145A1 Method for the selective recovery of chlorine and carbon dioxide from a gas mixture
03/20/1979USRE29941 Method and apparatus for separating gases
03/20/1979US4145399 Scrubbing with alkali metal hydroxides
03/20/1979US4145394 Catalyst monolith for exhaust gas decontamination, preferably in motor vehicles
03/20/1979US4145192 Drying, desulfurization, anhydrous solvent containing n-methyl-e-caprolactam, alkanolamine and a glycol
03/20/1979US4144711 Exhaust gas purifying device of an internal combustion engine
03/20/1979US4144627 Integrated catalyst component for exhaust gas purification and method of assembling it
03/20/1979CA1050955A1 Catalysts
03/20/1979CA1050901A1 Adsorption process
03/20/1979CA1050735A1 Method of removing nitrogen oxides from a gas stream
03/20/1979CA1050734A1 Process for the removal of so2 from gases of air
03/20/1979CA1050733A1 Process for removing sulfur dioxide and nitrogen oxides from gases
03/20/1979CA1050732A1 Process for the treatment of gas streams containing hydrogen cyanide
03/13/1979USRE29932 Exhaust gases; catalyst support resistant to thermal stress
03/13/1979US4144314 Process for regenerating water-containing methanol
03/13/1979US4144313 Method of purifying gases by combustion
03/13/1979US4144195 Exhaust systems, catalytic
03/13/1979US4144041 Adjustable throat venturi scrubber
03/13/1979US4144040 Method and apparatus for demisting gases
03/13/1979US4144039 Selective absorption process of hydrogen sulphide and sulphur containing compounds from a gaseous mixture
03/13/1979US4144038 Gas separation
03/13/1979US4144037 Preferential adsorption by molecular sieves
03/13/1979CA1050522A1 Carrier-supported catalyst
03/08/1979WO1979000107A1 A method of investigation or control of catalysts or catalyst reactions
03/06/1979US4143122 Method of processing the residual gases from claus plants or other sulfur-producing plants
03/06/1979US4143120 Method of removing nitric oxide from gases
03/06/1979US4143119 Method and composition for inhibiting the corrosion of ferrous metals
03/06/1979US4143118 Apparatus and method for ozone reduction in electrostatographic reproduction equipment
03/06/1979US4142989 Process for continuously regenerating a degraded catalyst used for removing nitrogen oxides from exhaust gas
03/06/1979US4142875 Process for the purification of scrubbing solvents by removal of Ni(CO).sub.
03/06/1979US4142874 Separating gaseous nitrogen oxides from other gases by paramagnetic separation in a liquid media
03/06/1979US4142864 Catalytic apparatus
03/06/1979CA1049937A1 Adsorptive process for selective separation of gases
03/06/1979CA1049864A1 Moisture separator for a nuclear steam turbine
03/06/1979CA1049752A1 Process for removing sulfur oxides from gas streams
02/1979
02/27/1979US4141962 Catalysts for treating gases containing sulphur compounds
02/27/1979US4141961 Production of H2 S from SO2 obtained from flue gas
02/27/1979US4141959 Process for removing nitrogen oxides from combustion flue gas
02/27/1979US4141699 Process for separating gas mixtures, especially isotopes
02/27/1979CA1049636A1 Means and method for controlling an absorber system
02/27/1979CA1049559A1 Recovery of acrylonitrile or methacrylonitrile by condensation
02/27/1979CA1049419A1 Method and apparatus for separating gases
02/21/1979EP0000707A1 Process and plant for removing sulphur dioxide from gaseous streams with recovery of sulphuric acid by the nitric oxide process
02/20/1979US4140752 Oxidized to sulfur trioxide, adsorbed on activated carbon composition
02/20/1979US4140751 Boiling the aqueous solution
02/20/1979US4140749 Method of treating vehicle exhaust gas and catalyst used therein
02/20/1979US4140655 Lanthanum and group 8 metal oxides coated on a support, catalytic exhaust systems
02/20/1979US4140654 Catalyst composition with support comprising titanium oxide and clay mineral for vapor phase reduction of nitrogen oxides
02/20/1979US4140653 Solid support for liquid chromatography
02/20/1979US4140651 Control of nitrogen oxides from stationary source effluents
02/20/1979US4140501 Wet gas modular venturi scrubbing apparatus
02/20/1979US4140499 Gas mixture-separating device
02/20/1979US4140495 Monitoring gas flow
02/20/1979US4140181 Two-stage removal of sulfur dioxide from process gas using treated oil shale
02/20/1979US4140066 Thermal decomposition of polychlorinated organic compounds
02/20/1979CA1049089A1 Particulate material in corona units
02/13/1979US4139597 Removal and recovery of sulfur oxides from gas streams with melamine
02/13/1979US4139595 Producing nitric oxide and nitric acid
02/13/1979US4139354 Filter for the removal of particulate and vaporous mercury
02/13/1979CA1048277A1 Recovery of pt/rh from car exhaust catalysts
02/13/1979CA1048274A1 Proportioning valve for volumetric proportioning of flow
02/13/1979CA1048234A1 Emission control system and method
02/13/1979CA1048232A1 Chlorine recovery with aqueous hydrochloric acid
02/13/1979CA1048231A1 Process for the removal of oxides of sulfur from a gaseous stream
02/07/1979EP0000521A1 A process and an apparatus for fractionating gas mixtures
02/07/1979EP0000515A1 Process for the separation of sulphur dioxide from a gas stream and installation for carrying out the process
02/06/1979US4138470 Oxidation to nitrous acid
02/06/1979US4138469 Process for catalytically treating exhaust gas containing NOx in the presence of ammonia gas
02/06/1979US4138468 Method and apparatus for producing or recovering alkanolamine from a mixture containing oxazolidone
02/06/1979US4138368 Catalyst for reducing nitrogen oxides
02/06/1979US4138367 Method of producing catalyst for conversion of carbon monoxide and hydrocarbons in engine exhaust gas
02/06/1979US4138231 Washing with sulfuric acid
02/06/1979US4138230 Dual pressure absorption process
02/06/1979US4138220 Apparatus for catalytic oxidation of grease and fats in low temperature fumes
02/06/1979US4138020 Regeneration flow distribution device
02/06/1979CA1047947A1 Centrifugal separator
02/06/1979CA1047946A1 Air scrubbing device
02/06/1979CA1047739A1 Method of removing sulfur-containing gases from waste gas
02/06/1979CA1047738A1 Process for the manufacture of sulfur
01/1979
01/30/1979US4137294 Process of scrubbing fuel synthesis gases to remove acid gases and organic sulfur compounds
01/30/1979US4137055 Process for separating tetrafluoroethylene from nitrogen and carbon monoxide
01/30/1979US4136998 Process for the disposal of the residue of the exhaust gas washers of furnaces in particular bituminous coal power stations
01/30/1979CA1047474A1 Method for regenerating and recycling catalyst for oxidation of sulfur dioxide
01/30/1979CA1047472A1 Process for reducing flue gas contaminants from fluid cracking catalyst regenerators
01/30/1979CA1047414A1 Process for removing sulfur dioxide from gas streams
01/30/1979CA1047413A1 Convolute membrane apparatus with two pass feed side-one pass permeate side flow paths
01/30/1979CA1047412A1 Tubular membrane separation device with crossed tubes
01/30/1979CA1047392A1 Gas treating apparatus
01/30/1979CA1047337A1 Method and an apparatus to control the temperature of an engine exhaust gas purifying device
01/30/1979CA1047232A1 Fume control for sulfur dioxide ammonia absorption systems
01/30/1979CA1047224A1 Hydrogen cyanide destruction
01/23/1979US4136153 System for diminishing the emission of noxious gases
01/23/1979US4136152 Method for treating aqueous mediums
01/23/1979US4136063 Alumina, crystal structure
01/23/1979US4135898 Device for centrifugally separating the components of a gas mixture
01/23/1979US4135896 Gas purifier having rechargeable adsorber filter with removeable rechargeable sample canister
01/23/1979US4135892 Terpolymers of hydroxyalkyl acrylates or methacrylates, alkyl acrylates or methacrylates, and alkylene diacrylates or dimethacrylates