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)
09/1980
09/02/1980CA1084687A1 Quaternary pyridinium salt inhibitor system for gas conditioning solutions
09/02/1980CA1084685A1 Cobalt-containing inhibitor for sour gas conditioning solutions
09/02/1980CA1084668A1 Separation of hydrogen fluoride from hydrogen chloride gas
08/1980
08/26/1980US4219537 Pollution control
08/26/1980US4219536 Nitric acid process and disposal of waste liquids containing ammonium nitrites
08/26/1980US4219534 Counter-current flow of ammonium nitrate
08/26/1980US4219341 Process and plant for the recovery of water from humid air
08/26/1980CA1084421A1 Recovery of gases from gaseous mixtures
08/26/1980CA1084353A1 Process of alumina deposition on a substrate
08/26/1980CA1084344A1 Burning and desulfurizing coal
08/26/1980CA1084243A1 Waste gas treatment and apparatus therefor
08/20/1980EP0014413A1 Process of producing rare earth-manganese oxidation catalysts
08/20/1980EP0014343A1 Calcium silicate in granular or powder form and its use
08/19/1980US4218431 Removal of sulfide contaminants from carbonate waters with production of CO2 -free H2 S
08/19/1980US4218428 Avoiding corrosion of apparatus
08/19/1980US4218427 Method for NOx removal from stack gases
08/19/1980US4218342 Composition for catalytic removal of hydrogen sulfide from gases
08/19/1980US4218312 Using a selectively permeable nylon as first surface
08/19/1980US4218224 Method for controlling the regeneration and desorbtion of an absorbent material
08/19/1980CA1083952A1 Method of cooling gases containing solids, tar and naphthalene
08/19/1980CA1083784A1 Process for recovery of alumina-cryolite waste in aluminum production
08/19/1980CA1083783A1 Selective adsorption of carbon monoxide from gas streams
08/12/1980US4217238 Process for removing acid gases with hindered amines and amino acids
08/12/1980US4217237 Process for removing carbon dioxide containing acidic gases from gaseous mixtures using a basic salt activated with a hindered amine
08/12/1980US4217236 Process and composition for removing carbon dioxide containing acidic gases from gaseous mixtures
08/12/1980US4217115 Dry cleaning processes
08/12/1980CA1083556A1 Honey comb structured catalyst containing noble metals
08/12/1980CA1083499A1 Low pressure drop girth baffle steam separator
08/12/1980CA1083485A1 Device for the purification of exhaust gases
08/12/1980CA1083473A1 Animal confinement environment control
08/12/1980CA1083327A1 Method of removing nitrogen oxides from an exhaust
08/06/1980EP0014052A1 Catalyst for the oxidation of sulfur dioxide to sulfur trioxide, processes for its preparation, and its use
08/06/1980EP0013986A1 Process for the removal of ammonia from ammonia containing solutions, especially coke oven waters
08/06/1980EP0013961A1 A method and an apparatus for washing gases and/or recovering heat therefrom
08/06/1980EP0013680A1 Rapid adiabatic pressure swing adsorption process and apparatus for oxygen production using multiple beds of a zeolite molecular sieve
08/05/1980US4216198 Self-regenerating method and system of removing oxygen and water impurities from hydrogen gas
08/05/1980US4216189 Absorption in aqueous solution of sodium sulfite
08/05/1980US4216188 With aluminum and chromium hydroxides
08/05/1980US4216087 Sodium hydroxide, n-/2-hydroxyethyl/iminodiacetic acid
08/05/1980US4216003 Gas cleaning system
08/05/1980US4216002 Selective condensation process and condenser apparatus
08/05/1980US4216001 Gas scrubbing apparatus
08/05/1980US4215539 Exhaust gas purifying apparatus for automobile multi-cylinder engine
08/05/1980CA1083124A1 Polyfunctional catalysts and method of use
08/05/1980CA1082889A1 Process for the purification of gaseous effluent from industrial processes
08/05/1980CA1082888A1 Process for recovering a solvent vapor
07/1980
07/29/1980US4215101 Of a dust cloud, height-adjustable column to control solids concentration
07/29/1980US4215096 Removal of acidic contaminants from gas streams by caustic impregnated activated carbon
07/29/1980US4215095 Process for the incineration of chlorinated organic materials
07/29/1980US4215083 Packing of equipment for the purpose of contacting mainly gaseous and liquid mediums
07/29/1980US4214881 Device for cleaning hot gases
07/29/1980CA1082613A1 Air pollution control using pyrolyzed resin adsorbents
07/24/1980WO1980001468A1 Element of a dryer for compressed air
07/23/1980EP0013567A1 A method of purifying gas containing gaseous mercury and gaseous hydrogen chloride
07/23/1980EP0013284A1 Apparatus for the distribution of liquids in mass and heat-exchange columns
07/22/1980US4213947 Emission control system and method
07/22/1980US4213946 Process for preventing formation of gypsum scale in a flue gas desulfurization process
07/22/1980US4213945 Process and apparatus to purify waste industrial gases
07/22/1980US4213944 Promoted by hydrogen peroxide
07/22/1980US4213403 Incineration plant
07/22/1980CA1082111A1 Method of treating a sticky material containing exhaust gas
07/22/1980CA1081917A1 Process and compositions for the removing of carbon dioxide from gas streams
07/22/1980CA1081916A1 Monolithic-supported catalyst or groups of monolithic- supported catalysts for the purification of waste gases of internal combustion engines
07/15/1980US4212854 Oxidation using palladium impregnated on carrier of activated carbon, alkali and cement
07/15/1980US4212853 Aqueous solution containing urea and catalytic bromine or chlorine ion
07/15/1980US4212852 Oxidation, activated carbon with vanadium, molybdenum or tungsten compound supported thereon
07/15/1980US4212851 Regeneration of sulfided dolomite
07/15/1980US4212726 Hydrotreatment process effluent; separation, compression, countercurrent extraction, distillation, circulation
07/15/1980US4212655 Arrangement for ammonia feed in copying equipment
07/15/1980CA1081674A1 Control of physical properties of alumina extrudates
07/15/1980CA1081673A1 Tritium removal and retention device
07/15/1980CA1081619A1 Liquid phase adsorption using pyrolyzed polymers
07/15/1980CA1081605A1 Control system for an absorption column
07/15/1980CA1081562A1 Throttled input catalyst system
07/10/1980WO1980001377A1 Improved so2 removal
07/09/1980EP0013211A1 Method of treating alkaline solutions containing radioactive iodine during the reprocessing of nuclear fuels
07/09/1980EP0013177A1 Use of hot N-methyl-2-pyrrolidone (NMP) from solvent extraction operation to supply heat to strip H2S from NMP-scrubbing solution
07/09/1980EP0013151A1 Process for maintaining the performance of aqueous hindered amine scrubbing liquid in acid gas scrubbing
07/09/1980EP0013100A2 Recovery of bromine from the effluent gases of a bromine catalysed oxidation process
07/09/1980EP0013049A1 Process for acid gas removal
07/09/1980EP0012986A1 Process for separating and recovering gaseous components from a gas mixture by physical washing
07/08/1980US4211761 Scrubbing, amine salts, ion exchanging
07/08/1980US4211760 Crystalline zeolite Upsilon and process for preparing same
07/08/1980US4211672 Supported catalyst for purifying gas and method of manufacturing the same
07/08/1980US4211542 Method and apparatus for producing dry, compressed air for electrical switch gear
07/08/1980US4211541 Combustion product, screening, series of washings
07/08/1980CA1081135A1 Selective adsorption of mercury from gas streams
07/08/1980CA1081134A1 Method for operating a desulfurizing reactor for stack gases
07/08/1980CA1080970A1 Apparatus and method for enriching combustion air with oxygen
07/08/1980CA1080938A1 Method of extracting and recovering mercury from gases
07/01/1980US4210629 Absorption of sulfur dioxide in alkaline solution; adding aluminum compound to prevent rock-like silica deposits
07/01/1980US4210628 Removal of nitrogen oxides
07/01/1980US4210627 Method for increasing the hydrogen sulphide concentration in an acid gas
07/01/1980US4210536 Hollow filament separatory module
07/01/1980US4210503 Decomposition of vinyl chloride into hydrogen chloride by ultraviolet irradiation; absorption of hydrogen chloride
07/01/1980US4210460 Spill control composition and use thereof
07/01/1980US4210426 Process for recovering propene and propene/propane mixtures from the off-gases from the hydroformylation of propene
07/01/1980US4209981 Method and an apparatus to control the temperature of an engine exhaust gas purifying device
07/01/1980CA1080663A1 Waste water process
07/01/1980CA1080443A1 Absorption of sulfur oxides from hot gases