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)
11/1979
11/13/1979USRE30145 Energy generating system
11/13/1979US4174383 Process for purifying a sulfur dioxide containing gas with production of elemental sulfur
11/13/1979US4174375 Process for removing fluorine compounds and sulfur dioxide from exhaust gases
11/13/1979US4174374 Maintaining the separation efficiency of immobilized liquid membranes in gas separation methods and apparatus
11/13/1979US4174373 Process for removing sulfur oxides and nitrogen oxides from flue gases
11/13/1979CA1066200A1 Process for the removal of vinyl chloride from gas streams
11/13/1979CA1066058A1 Sodium aluminate to reduce flue gas corrosion
11/06/1979US4173625 Hydrogen purification and storage system
11/06/1979US4173619 Regeneration, scrubbing with molten alkali metal salt
11/06/1979US4173549 Metallic silver on high surface area copper and a zirconia-manganese oxide composite
11/06/1979CA1065833A1 Catalyst for use in treating gas
11/06/1979CA1065769A1 Adsorption system
11/06/1979CA1065755A1 Purifying apparatus
10/1979
10/30/1979US4172885 Process for the recovery of hydrogen from ammonia purge gases
10/30/1979US4172880 Process and apparatus for automatically controlling the acid concentration in gas scrubbing solution
10/30/1979CA1065273A1 Removal of so2 from gases
10/30/1979CA1065245A2 Feed system for packed bed
10/30/1979CA1065123A1 Process for the oxidation of carbon monoxide and hydrocarbons
10/23/1979US4172114 Method for purifying plutonium hexafluoride
10/23/1979US4172047 Catalyst of rhodium on alpha alumina-coated substrate
10/23/1979US4171961 Arrangement for intercepting entrained contaminants from a gaseous medium in a scrubbing liquid
10/23/1979CA1065012A1 Substance and device for the absorption of catalyst poisoning gases out of the oxyhydrogen gas mixture
10/23/1979CA1064977A1 Stabilization of sludge slurries
10/23/1979CA1064894A1 Process for producing denitrating catalysts
10/23/1979CA1064893A1 Catalyst composition and method for preparing the same
10/23/1979CA1064891A1 Process and apparatus for regenerating adsorbents and waste water treatment embodying the same
10/23/1979CA1064834A1 Air separation by adsorption
10/23/1979CA1064814A1 Method and apparatus for removing particulate material from a gas
10/23/1979CA1064813A1 Gas-liquid exchange column
10/23/1979CA1064680A1 Method of and system for controlling the claus chemical process
10/16/1979US4171347 423/230
10/16/1979US4171289 Selective automotive exhaust catalysts and a process for their preparation
10/16/1979US4171288 Catalyst supports, group 8 metal component
10/16/1979US4171287 Alumina support, group metal 8 component
10/16/1979US4171207 Separation of multicomponent gas mixtures by pressure swing adsorption
10/16/1979US4171206 Selective adsorption in an adiabatic pressure swing cyclic system
10/16/1979US4171017 Method of gas production from geopressurized geothermal brines
10/16/1979CA1064237A1 Process and apparatus for the production of a hollow fiber device, namely for the fractionation of fluids
10/16/1979CA1064225A1 Process for removing nox from a flue gas by selective reduction with nh3
10/09/1979US4170629 Method of converting hydrocarbon waste gas streams using a non-uniform crimped metal ribbon packed catalyst bed
10/09/1979US4170628 Sulfur dioxide
10/09/1979US4170627 Process for the simultaneous separation of sulfur and nitrogen oxides from a gaseous mixture
10/09/1979US4170574 Steel catalyst support has high strength and porous surface
10/09/1979US4170571 Novel combustion catalyst
10/09/1979US4170550 Process for reducing aqueous effluents containing environmentally unacceptable compounds from a process for gasifying carbonaceous materials
10/09/1979US4170458 Treating gas containing particulants with water wash spray, compression
10/09/1979CA1063927A1 Feed system for packed bed
10/09/1979CA1063926A1 Multiple cross-flow contacting system
10/04/1979WO1979000754A1 Process for treating waste gases
10/03/1979EP0004465A2 Method of regenerating adsorbents
10/02/1979US4169862 Low temperature catalytic combustion of chlorohydrocarbons
10/02/1979US4169814 Process for producing catalysts comprising a carrier impregnated with a solution of chloroplatinic acid and barium hydroxide for decomposing ammonia by oxidation
10/02/1979US4169715 Separation nitrogen from compressed air
10/02/1979US4169418 Method and a system for incinerating combustible wastes
10/02/1979CA1063511A1 Apparatus for removing pitch from thermally cracked gas
10/02/1979CA1063321A1 Hydrogen sulphide removal process
10/02/1979CA1063320A1 Process for producing sulfur from sulfur dioxide
09/1979
09/25/1979US4169136 Catalytic incineration of hydrogen sulfide from gas streams
09/25/1979US4169133 Process for recovering acidic gases collected during gas desulfurization
09/25/1979CA1063089A2 Exhaust gas reduction and catalysts and method of making same
09/25/1979CA1063087A1 Process and apparatus for impregnating a catalytic metal onto an active metal oxide coated monolithic structure
09/25/1979CA1062884A1 Nitrogen oxide control using steam hydrocarbon injection
09/25/1979CA1062883A1 Process for removing sulfur oxides and/or nitrogen oxides from waste gas
09/25/1979CA1062881A1 Process and plant for recovering elementary sulfur
09/20/1979WO1979000696A1 Sorption of gases
09/19/1979EP0004043A1 Removal of acid gases from hot gas mixtures
09/19/1979EP0003964A1 Method and installation for recovering water from the atmosphere
09/18/1979US4168149 Adsorption, regeneration, backfilling
09/18/1979CA1062690A1 Stable perovskite catalysts
09/18/1979CA1062629A1 Fractionation of air by adsorption
09/18/1979CA1062607A1 Packaged gas stream hydrocarbon dewpoint control apparatus
09/18/1979CA1062447A1 Elimination of odors from organic wastes
09/18/1979CA1062442A1 Method of reducing nox present in an exhaust to harmless n2
09/18/1979CA1062441A1 Modified dry limestone process for control of sulfur dioxide emissions
09/18/1979CA1062440A1 Method and apparatus for removing reduced sulphur compounds from vapours and/or gas streams
09/11/1979US4167578 Scrubbing in the presence iron chelated catalyst to produce ammonia
09/11/1979US4167484 Ozone generating apparatus
09/11/1979US4167457 Passive electrolytic separator
09/11/1979US4167444 Removal of impurities from the coolant gas of gas-cooled high temperature nuclear reactors
09/11/1979CA1062228A1 Purification of the exhaust gases of internal combustion engines
09/11/1979CA1062176A1 Gas sweetening by membrane permeation
09/11/1979CA1062006A1 System for handling high sulfur materials
09/11/1979CA1061993A1 Hollow fiber apparatus
09/06/1979WO1979000611A1 Catalyst comprising a metal substrate
09/05/1979EP0003818A1 Treatment of exhaust gas streams
09/04/1979US4166838 Process for treating exhaust gases
09/04/1979US4166807 Iron, sulfur, metal halide
09/04/1979US4166787 Reaction with alumina particles
09/04/1979US4166728 Process for conducting ammonia in copying machines
09/04/1979US4166727 Laminar flow of fluids through a duct; isotope separation
09/04/1979CA1061519A2 Method for removing nitrogen oxides from a gas mixture
08/1979
08/28/1979US4165972 Multistage sorption-desorption via heat exchange fluid
08/28/1979CA1061313A1 Process for coating a refractory support with an active metal oxide film
08/28/1979CA1061083A1 Simultaneous drying and sweetening of wellhead natural gas
08/22/1979EP0003531A1 Process for treating residual gases produced by burning hydrogen sulfide to elementary sulfur according to the Claus process
08/22/1979EP0003486A1 Novel combustion catalyst and process for preparing same
08/21/1979US4165275 Lowering sulfur oxide output from catalyst regeneration
08/21/1979CA1060909A1 Cordierite ceramic
08/21/1979CA1060875A1 Purification of effluent gases containing oxides of nitrogen as impurity
08/21/1979CA1060810A1 Method for the purification of waste gas containing gaseous pollutants