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)
03/1980
03/11/1980US4192833 Liquid-gas contactor and liquid-gas contact process
03/11/1980US4192779 Catalyst system and method for increasing the selectivity of a catalyst
03/11/1980US4192773 Food preservation, metal halide coating on metal powder
03/11/1980US4192659 Method for hot gas cooling and gaseous contaminant removal
03/11/1980CA1073446A1 Cooling device for cooling highly corrosive combustion gases
03/11/1980CA1073363A1 Segmented three-way catalyst
03/11/1980CA1073187A1 Process for the removal of sulphur dioxide from a flue gas stream by means of a solid acceptor
03/05/1980EP0008512A1 Separation of multicomponent gas mixtures
03/05/1980EP0008488A1 Process of removing nitrogen oxides from gaseous mixtures
03/05/1980EP0008449A1 Process for removing COS from a gas or liquid stream
03/05/1980EP0008387A1 Kitchen range ventilating hood
03/05/1980EP0008330A1 Process for the separation of hydrogen chloride and hydrogen bromine
03/04/1980US4191732 Method of removing sulfur dioxide from gases
03/04/1980US4191731 Wet process using steel slag for waste gas desulfurization
03/04/1980US4191730 Method of removing nitrogen oxides from exhaust gas mixtures
03/04/1980US4191710 Quenching in water
03/04/1980US4191626 Apparatus for finishing and upgrading of heavy water
03/04/1980US4191620 Reduction with mercury
03/04/1980US4191544 Gas cleaning apparatus
03/04/1980US4191541 Method and apparatus for gas sample analysis
03/04/1980US4191115 Carbonaceous fuel combustion with improved desulfurization
03/04/1980CA1072884A1 Apparatus with hollow fibers used for fluid fractioning, mainly in an artificial kidney
03/04/1980CA1072724A1 Method for oxidation of so2 scrubber sludge
03/04/1980CA1072723A1 Method of removing sulfur dioxide from flue gases
03/04/1980CA1072722A1 Stabilized sorbent for flue gas desulfurization
02/1980
02/26/1980US4190425 Process for the preparation of silicious polymeric materials and their applications in the separation of fluids in gaseous phase
02/26/1980US4190424 Pressure swing adsorption to provide high purity oxy
02/26/1980US4190423 Method of operating an adsorption filter
02/26/1980US4189847 Process and apparatus for removal of ammonia in a liquid ammonia fabric treating system
02/26/1980CA1072300A1 Method for purification of gas streams
02/20/1980EP0007956A1 Adsorbent regeneration and gas separation utilizing dielectric heating
02/20/1980EP0007937A1 Method and apparatus for carrying out chemical and/or physical processes in a fluidized bed
02/19/1980US4189462 Iron chelate catalysts
02/19/1980US4189405 Intermetallic catalysts
02/19/1980US4189404 For exhaust systems, an aqueous solution of an alumina precursor to ptovide poisoning resistance
02/19/1980US4189309 Recirculating water
02/19/1980CA1072022A1 Uranium enrichment apparatus having a cascade of separating stages in a single unit
02/19/1980CA1072000A1 Gas separation process
02/19/1980CA1071955A1 Gas-contaminant separator
02/19/1980CA1071890A1 Gas purifier having rechargeable adsorber filter with removeable rechargeable sample canister
02/19/1980CA1071846A1 Catalytic oxidation of vinyl chloride
02/19/1980CA1071845A1 Method of momentarily extending the operative range of an equilibrium type catalyst
02/12/1980US4188365 Process for catalytic vapor phase reduction of nitrogen oxides and catalyst composition used therefor
02/12/1980US4188364 Two-stage catalysis of engine exhaust
02/12/1980US4188309 Exhaust systems for internal combustion engines
02/12/1980US4188195 Treatment of waste liquor
02/12/1980US4188190 Input control method and means for nitrogen oxide removal means
02/12/1980CA1071614A1 Regeneration of sulfided dolomite
02/12/1980CA1071613A1 Removal of hydrogen sulfide from gases
02/12/1980CA1071545A1 Selective adsorption of nox from gas streams
02/12/1980CA1071527A1 Apparatus and process for use in absorbing in a liquid medium a gas which evolves heat on absorption
02/12/1980CA1071382A1 Method of removing fly ash particulates from flue gases in a closed-loop wet scrubbing system
02/07/1980WO1980000168A1 Device for purifying exhaust gas of diesel engine
02/07/1980WO1980000125A1 Multistage catalytic reactor
02/06/1980EP0007835A1 Method for separating a gas and a condensable vapour and its applications
02/06/1980EP0007610A1 Process for making use of gypsum generated in flue-gas desulfurization units
02/06/1980EP0007346A1 A method of control of catalyst reactions
02/05/1980US4187282 Process for treating a waste gas containing sulfur oxides
02/05/1980US4187279 Device for recovering sodium chemicals from green liquor and flue gases
02/05/1980US4187086 Immobilized liquid, separation efficiency
02/05/1980US4187085 Metallic rotatable heat exchanger, dust collector
02/05/1980US4186495 Apparatus for freeze drying of gas, especially compressed air
02/05/1980CA1071178A1 Method for improving physical properties of catalyst materials through the incorporation of fines
02/05/1980CA1071177A1 Active carbon process and composition
02/05/1980CA1071118A1 Method and apparatus for the selective adsorption of vaporous or gaseous impurities from other gases
02/05/1980CA1070930A1 Pollution control process for fertilizer plant
01/1980
01/29/1980US4186177 Method for catalytically reducing nitrogen oxides using moving catalyst bed reactor
01/29/1980US4186176 Method of simultaneously removing sulfur dioxide and nitrogen oxides from exhaust gases
01/29/1980US4186159 Packing element of foil-like material for an exchange column
01/29/1980US4186109 Sulfates of iron, copper and vanadium on calcium silicate carrier
01/29/1980US4185969 Process and plant for recovering water from moist gas
01/29/1980CA1070641A1 Emission control method and system
01/29/1980CA1070621A1 Exhaust gas filter
01/29/1980CA1070620A1 Apparatus for the continuous purification of exhaust gas containing solvent vapours
01/29/1980CA1070502A1 Partial oxidation carbon removal process
01/29/1980CA1070484A1 Method of and apparatus for treating exhaust gas
01/29/1980CA1070483A1 Process for purifying an acid gas containing gaseous hydrocarbon stream
01/29/1980CA1070482A1 Decomposition of halogenated organic compounds
01/29/1980CA1070481A1 Decomposition of halogenated organic compounds
01/29/1980CA1070479A1 Process for oxidizing sulfur dioxide
01/23/1980EP0007175A1 Purification of nitrogen trifluoride atmospheres
01/23/1980EP0007064A1 Purification of ethylene dichloride
01/22/1980US4185082 Catalytic carbon for oxidation of carbon monoxide in the presence of sulfur dioxide
01/22/1980US4185080 Method of reducing the sulfur oxide content of combustion gases resulting from combustion of sulfur-containing fossil fuels
01/22/1980US4185079 Removal of phosphine contaminant from carbon monoxide gas mixtures
01/22/1980US4184983 Catalytic platinum and rhodium metals and a carbonaceous pyropolymer on a support
01/22/1980US4184855 Acid gas, absorption by aqueous alkanolamine, heat exchanging, stripping
01/22/1980CA1070338A1 Ethylene/chlorine elimination process
01/22/1980CA1070249A1 Suppression of cos formation in molecular sieve purification of hydrocarbon streams
01/22/1980CA1070088A1 Catalytic oxidation of c2-c4 halogenated hydrocarbons
01/15/1980US4183903 Method of removing carbon dioxide from gases utilizing an alkaline absorption solution containing a cyclic urea anti-foaming agent
01/15/1980US4183902 Wet process for removing specific component from gas
01/15/1980US4183829 Catalysts for purification of exhaust gases from internal combustion engines
01/15/1980US4183823 Leaching aluminum sulfate with water, heating in oxygen atmosphere to oxidize carbon deposits
01/15/1980US4183787 Circulation of gas/liquid mixtures
01/15/1980US4183734 Adsorption heat pump
01/15/1980CA1069874A1 Metal oxyhalide catalysts
01/15/1980CA1069680A1 Method of removing hydrogen sulfide from a gas containing carbon dioxide
01/15/1980CA1069679A1 Oxidation of sulphur-containing compounds
01/15/1980CA1069678A1 Gas desulfurization