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)
12/1981
12/02/1981EP0040821A1 Synthetic adsorbent for bases and acids
12/01/1981US4303633 Method of recovering elemental sulfur from reactive gases containing sulfur dioxide and hydrogen sulfide
12/01/1981US4303625 Treatment of reducing gas for suppression of corrosiveness
12/01/1981US4303618 Catalytic reactor
12/01/1981US4303599 Tower packing
12/01/1981US4303552 Diesel exhaust catalyst
12/01/1981US4303422 Fuel filter
12/01/1981US4303228 Apparatus for heat treating containing air-purged molecular sieves in O.sub. -free N2 atmospheres
12/01/1981CA1113417A1 Sulfur oxides control in catalytic cracking
12/01/1981CA1113227A1 Waste gas purification reactor
11/1981
11/26/1981WO1981003346A1 Separation of hydrogen sulfide from fluid streams
11/25/1981EP0040493A1 Reverse-jet scrubber apparatus and method of scrubbing a gas stream
11/25/1981EP0040235A1 Catalytic converter for ozone removal in aircraft.
11/24/1981US4302490 Treating a substrate with a solution of a permanganate and a cerium salt; electroless deposition/non-metals
11/24/1981US4302431 Decomposing with oxygen and ammonia using catalyst parallel to gas flow
11/24/1981US4302425 Apparatus and process for flue gas desulphurization
11/24/1981US4302249 Method for processing wastes resulting from production of phosphorus namely, slime and off-gases, with utilization of the resultant products
11/24/1981US4302236 Thermophilic bacteria-phase degradation to remove inorganic acid(forming) constituents
11/24/1981US4302227 Baffled moisture separator
11/24/1981US4302226 Apparatus for neutralizing odors
11/24/1981US4302224 Compact oxygen concentrator
11/24/1981US4302222 Methods and apparatus for continuous preparative chromatographic separation of fluid mixtures
11/24/1981US4302221 Process for regeneration of carbonaceous adsorbent for use in desulfurization of exhaust gas
11/24/1981US4302220 Absorption with polyethylene glycol dialkyl ether, stripping, recycling solvent
11/24/1981US4302218 Adsorption, donversion to hydrogen sulfide
11/24/1981US4302205 Input control method and means for nitrogen oxide removal
11/24/1981US4301652 Exhaust gas purification apparatus for motor vehicles
11/24/1981CA1112848A1 Process for removing so.sub.2 and no.sub.x from gases
11/24/1981CA1112840A1 Conversion of hydrocarbons and carbon monoxide in exhaust gas streams
11/17/1981US4301137 By contacting hydrogen halides with an acid acceptors
11/17/1981US4301128 Method for purification of gases
11/17/1981US4301127 Flue gas scrubbing system
11/17/1981US4301126 Catalytic decomposition with water vapors using an activated carbon catalyst
11/17/1981US4301114 Permeabile to the flow of nitrogen oxide gas
11/17/1981US4301095 Air freshener dispenser
11/17/1981US4301014 Hydrolysis, precipitation of solubles with calcium hydroxide, catalytic oxidation of gases
11/17/1981US4300991 Air-fuel ratio detecting apparatus
11/17/1981CA1112599A1 Specific recovery process for chlorine and carbon dioxide in gaseous mixtures
11/17/1981CA1112428A1 Removal of sulfur oxides from gases by scrubbing with ammoniacal solutions
11/17/1981CA1112427A1 Method of treating pollutant-laden gases, especially from a steel making or coking plant
11/17/1981CA1112423A1 A process for the conversion of soluble thiosulfate in an effluent liquor to sulfates
11/11/1981EP0039504A1 Adsorbent fractionator with automatic cycle control and process
11/10/1981US4299802 Process for removing carbonyl sulfide from gaseous streams
11/10/1981US4299801 Two-stage
11/10/1981US4299734 Platinum and/or palladium on a zirconia with cerium, manganese, and/or iron oxide support
11/10/1981US4299596 Adsorption, expansion, purging, separation of adsorption beds, recovery, desorption, then repressurization
11/10/1981US4299595 Cleaning or rectifying gases
11/10/1981CA1112022A1 Process for removing sulfur dioxide from an exhaust gas containing the same
11/04/1981EP0039266A1 Oxidation process of hydrogen sulfide and organic compounds of sulfur
11/04/1981EP0039172A1 A process for removing CO from a gas stream
11/04/1981EP0039151A1 Water producing apparatus
11/04/1981EP0038970A1 Process for the separation of tetrafluoroethylene from gas mixtures containing in addition to tetrafluoroethylene particularly nitrogen or carbon monoxide
11/04/1981EP0038969A1 Process for treating an aqueous alcaline solution of anthraquinone-disulfonic acid salts
11/04/1981EP0038961A1 Temperature control for dry SO2 scrubbing system
11/03/1981US4298584 Removing carbon oxysulfide from gas streams
11/03/1981US4298497 Composition for preventing cold end corrosion in boilers
11/03/1981CA1111789A1 Vertical steam/liquid mix separator
11/03/1981CA1111787A1 Turndown control for pressure swing adsorption
11/03/1981CA1111786A1 Pollutant adsorption method and apparatus
10/1981
10/29/1981WO1981003034A1 Matched stage odor control system
10/29/1981WO1981002985A1 Method for the separation of mixture by means of exchange of materials at different temperatures or pressures
10/28/1981EP0038779A1 Process for the enrichment of SO2 separated from waste gases
10/28/1981EP0038741A1 Preparation process for catalysts or catalyst supports made of titanium dioxide and its use in the Claus catalysis
10/28/1981EP0038612A2 Hollow filament separatory modules
10/28/1981EP0038611A2 Hollow filament separatory modules and methods of making such modules
10/28/1981EP0038444A2 Method for the removal of smelling materials from exhaust air
10/28/1981EP0038410A2 Device for the separation or fractionated purification of gas mixtures
10/27/1981US4297332 Method for treatment of a discharge liquid produced in treatment of an exhaust gas
10/27/1981US4297331 Catalysis
10/27/1981US4297330 Process of selectively desulfurizing gases
10/27/1981US4297329 Vapor-liquid contacting system
10/27/1981US4297328 Three-way catalytic process for gaseous streams
10/27/1981US4297319 Apparatus for removing nitrogen oxides from flue gas
10/27/1981US4297248 Having a honeycomb structure
10/27/1981US4297246 Wherein said refractory oxide is ceria, zirconia, or titania
10/27/1981US4297233 Deodorizing composition for ash trays
10/27/1981US4297111 Process and apparatus for the contact and separation of immiscible fluids
10/21/1981EP0038224A2 Composite material for ozone removal
10/21/1981EP0037944A2 Method and agent for the adsorption and catalytic decomposition of stinking gases of intestines
10/21/1981EP0015260B1 Complexes of manganese with substituted phosphines, their preparation and use for sorption of gases and adducts thus obtained
10/20/1981US4296166 Air filter of polyurethane mesh containing carbon adsorbent
10/20/1981US4296081 Process for purifying gaseous effluents
10/20/1981US4296079 Method of manufacturing aluminum sulfate from flue gas
10/20/1981US4296078 Separation of hydrogen chloride from gaseous mixtures
10/20/1981US4296049 Distributor for washing fluid in a scrubber or stripper
10/20/1981US4295967 Fluidized bed contact apparatus
10/20/1981US4295863 Method for automating and optimizing the operative cycle in adsorption dehydration plants
10/20/1981CA1110833A1 Regeneration apparatus for producing sulfur dioxide
10/20/1981CA1110830A1 Process for removing nitrogen oxides from gaseous mixtures
10/20/1981CA1110829A1 Conversion of nitrogen oxides
10/14/1981EP0037665A1 Improved acetylene recovery process and apparatus
10/14/1981EP0037450A1 Process for the removal of acid and acid precursor gases and vapors from gas streams
10/13/1981US4294928 Denitrification of a gas stream
10/13/1981US4294821 Alcohol, amide, fatty acid
10/13/1981US4294807 System for removing solids from a used lime or limestone slurry scrubbing liquor in flue gas desulfurization
10/13/1981US4294806 Method for preventing the wear of a monolithic catalyst by dusts
10/13/1981US4294726 Catalyst for the purification of exhaust gases of internal combustion engines
10/13/1981US4294674 Denitrification and desulfurization
10/13/1981US4294598 Apparatus for the separation of gas mixtures, particularly the enrichment of a gas mixture in a component containing uranium 235
10/13/1981US4294590 Scrubbing with an absorbants