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)
01/1980
01/15/1980CA1069675A1 Nitrogen oxide conversion process
01/09/1980EP0006379A1 Apparatus for realizing an interaction between a gas and a liquid, particularly for realizing the washing of a gas by the liquid
01/09/1980EP0006320A1 Method of purifying crude argon
01/09/1980EP0006138A1 Process for operating a pressure swing adsorption device
01/09/1980EP0006099A1 Apparatus for dehydration of air
01/08/1980US4182745 Ammonia as reducing agent, transition metal salt of silicotungstic, silicomolyboic, phosphotungstic or phosphomolybdic acid as a catalyst
01/08/1980US4182743 Filter material for selective removal of aldehydes for cigarette smoke
01/08/1980US4182694 Ruthenium-containing perovskite catalysts
01/08/1980US4182120 Exhaust systems
01/08/1980CA1069485A1 Metallic catalyst support and method using same
01/08/1980CA1069484A1 Non-uniform crimped metal ribbon packed catalyst bed and method using same
01/08/1980CA1069463A1 Method for removing hydrogen sulfide
01/08/1980CA1069276A1 Operating method
01/08/1980CA1069273A1 Purification of sulfur-containing waste gases with hydrogen peroxide
01/01/1980US4181706 Method and apparatus for decomposing ammonia fumes having a high hydrogen sulfide content
01/01/1980US4181705 Purification of fluidized-bed combustion flue gas
01/01/1980US4181704 Process for the removal of sulfurous gases from the emissions of chemical processes
01/01/1980US4181675 Process for methanol production
01/01/1980US4181532 Production of colloidal dispersions
01/01/1980US4181513 Carbon adsorptive filter material with layers of reinforcing non woven fabrics needle punched
01/01/1980US4181508 Countercurrent heat exchanger
01/01/1980US4181507 Production of sulfur by claus process
01/01/1980US4180985 Air conditioning system with regeneratable desiccant bed
01/01/1980CA1069064A Adsorption of carbon monoxide using silver zeolites
01/01/1980CA1069063A Purification of natural gas streams containing oxygen
01/01/1980CA1069062A Air separation by adsorption
01/01/1980CA1069061A Regeneration cycle control for industrial air dryer
01/01/1980CA1069060A Filter material charging apparatus for filter assembly for radioactive contaminants
01/01/1980CA1068879A Method for removing nitrogen oxides from exhaust gases
12/1979
12/27/1979WO1979001147A1 A microporous member with interconnected,oriented tapered voids
12/25/1979US4180552 Process for hydrogen recovery from ammonia purge gases
12/25/1979US4180551 Ion exchanging
12/25/1979US4180550 Process for purifying a sulfur dioxide containing gas by washing with an ammonia aqueous solution
12/25/1979US4180549 Desulfurization of hot reducing gas
12/25/1979US4180548 Process for selective removal of cyclic urea from hindered amine gas treating solution
12/25/1979US4180388 Processes
12/25/1979CA1068638A Regeneration of regenerable aqueous scrubbing solutions used for removing acidic gases from gas mixture
12/25/1979CA1068616A Purifying an air or gas stream containing combustible vaporous or gaseous impurities
12/25/1979CA1068473A Regeneration of absorbent solutions used for removing gaseous acid impurities from gaseous mixtures
12/25/1979CA1068472A Process for removing ethylenically unsaturated chlorinated hydrocarbons from gas streams
12/18/1979US4179412 Platinum on a porous steel carrier; oxidation catalyst
12/18/1979US4179407 Catalyst bed for use in decomposition of ammonia gas
12/18/1979US4179380 Hollow fibre apparatus
12/18/1979CA1068250A1 Catalyst preparation
12/18/1979CA1068184A1 Combustion of halogenated hydrocarbons
12/18/1979CA1068076A1 Method for removing low concentrations of oxidizable organic contaminants from an oxygen-containing inert gas
12/18/1979CA1068075A1 Process for disposal of oxides of nitrogen
12/18/1979CA1068074A1 Oxidation and reduction using platinum metal perovskite catalysts
12/11/1979US4178350 Removal of tritium and tritium-containing compounds from a gaseous stream
12/11/1979US4178349 Dry particles of lime-bearing material
12/11/1979US4178348 Process for removing sulfur oxides in exhaust gases
12/11/1979US4178347 Process for the simultaneous production of wet process phosphoric acid and sodium silicofluoride
12/11/1979US4178158 Apparatus for wet process dehydration of air to be supplied to blast furnace
12/11/1979CA1067882A1 Stabilized rhenium catalyst
12/11/1979CA1067881A1 Catalysts prepared by sputtering and agglomeration
12/11/1979CA1067831A1 Membrane separation of organics from aqueous solutions
12/11/1979CA1067816A1 Damper assembly for mobile bed scrubber
12/11/1979CA1067680A1 Treatment of flue gases
12/11/1979CA1067679A1 Method for removing hydrogen chloride from exhaust gas containing same
12/11/1979CA1067678A1 Treatment of flue gases
12/11/1979CA1067674A1 Process for producing cyanogen chloride and hydrogen chloride
12/04/1979US4177307 Thermal shock resistant ceramic honeycomb structures
12/04/1979US4177250 Method of removing acetylene and sulfur compounds from gases by absorption in dimethyl formamide
12/04/1979US4177245 Gaseous nitric oxide as oxidation inhibitor
12/04/1979US4177244 Process for purge stream treatment in removal of sulfur dioxide
12/04/1979US4177158 Wear resistant glazes
12/04/1979US4177049 Compressed gas filter
12/04/1979US4177048 For preventing rotor bearings from rusting during nonuse
12/04/1979US4176523 Adsorption air conditioner
12/04/1979CA1067452A1 Laser isotope separation
12/04/1979CA1067438A1 Process and apparatus for hydrotreating a liquid petroleum fraction
12/04/1979CA1067420A1 Apparatus for sorption filters and method for operating them
12/04/1979CA1067395A1 Circulation of gas/liquid mixtures
12/04/1979CA1067393A1 Wet scrubber apparatus with contact element removal
12/04/1979CA1067274A1 Method for removing nitrogen oxides from exhaust gases
11/1979
11/27/1979US4176165 Treatment of alkyl lead-containing gas stream
11/27/1979US4176164 Treatment of sulfur oxides with aqueous glyoxylic acid solutions
11/27/1979US4176163 Sodium oxide fume for sulfur oxide removal
11/27/1979US4176162 Method and apparatus for conservation of energy in a thermal oxidation system for use with a printing press
11/27/1979US4176091 Denitrating catalysts having porous coating and process for producing same
11/27/1979US4176019 Sorption, countercurrent flow
11/27/1979US4175935 Planar condensor array of hollow interleaved profiles
11/27/1979US4175932 Method for continuous vapor recovery
11/27/1979CA1067060A1 Equilibrium catalyst
11/27/1979CA1066880A1 Apparatus for distributing flowing media from one flow cross section to a flow cross section different therefrom
11/27/1979CA1066878A1 Recovery of halides
11/27/1979CA1066876A1 Decomposition of halogenated organic compounds
11/20/1979US4175153 Inorganic anisotropic hollow fibers
11/20/1979US4175111 Decomposing to red phosphorus and hydrogen
11/20/1979US4175107 Catalytic exhaust gas purifying device
11/20/1979US4174955 Membrane oxygen enricher apparatus
11/20/1979CA1066687A1 Barium metal oxide catalytic compositions
11/20/1979CA1066686A1 Metal oxide catalytic compositions
11/20/1979CA1066685A1 Catalysts and methods of decomposing nitrogen oxides
11/20/1979CA1066684A1 Regeneration of liquid desiccants and acid gas absorbing liquid desiccants
11/20/1979CA1066611A1 Device for separating impurities from gases by means of a washing liquid
11/15/1979WO1979000899A1 Method at the digestion of cellulose-containing material
11/14/1979EP0005301A1 Process for the removal of sulphur oxides from high-chloride flue gases
11/14/1979EP0005292A1 Process for the separation of ammonia and carbon dioxide from mixtures containing ammonia, carbon dioxide and water
11/14/1979EP0005270A1 Separation of sulfur dioxide from waste waters and on occasion from waste gases