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