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)
02/1983
02/01/1983US4371380 Pressure swing adsorption process
02/01/1983CA1140482A1 Removal of sulfur from process streams
02/01/1983CA1140451A1 Apparatus for recovery of flared condensible vapors
02/01/1983CA1140413A1 Internal combustion engine exhaust passage structure
02/01/1983CA1140329A1 Process for the removal and economic utilization of the residue from furnace waste-gas in conjunction with waste products
01/1983
01/26/1983EP0070736A1 Exhaust gas catalyst
01/26/1983EP0070321A1 Process for preparing carbonaceous material for use in desulfurization
01/26/1983EP0070297A1 Dry bed scavenging hydrogen sulfide from gas
01/25/1983US4370306 Process for separation of traces of gaseous contaminants from waste gases by chemical absorption
01/25/1983US4370301 Bromine compound
01/25/1983US4370262 Spraying molten aluminum on substrate, oxidizing and calcining
01/25/1983US4370260 Refractory oxide support impregnated with platinum and palladium sulfito complex and rhodium nitrate solution and activating
01/25/1983US4370152 Gas dryer cartridge
01/25/1983US4370151 Multistage, multizonal
01/25/1983US4370150 Engine performance operating on field gas as engine fuel
01/25/1983CA1140280A1 Process for removing fluorides in effluents containing them
01/25/1983CA1140056A1 Filtration facility with pneumatically revewable granular medium for the decontamination of polluted fluids
01/25/1983CA1140025A1 Device for distributing washing fluid to a washer or separator equipped with built-in components
01/20/1983WO1983000139A1 A process of reducing the oxygen content in gas mixtures
01/20/1983WO1983000100A1 Enrichment cyclon of a gas mixture
01/19/1983EP0069941A1 Recovering hydrogen from gas stream using metal hydride
01/18/1983US4369167 Pollution control
01/18/1983US4369150 Liquid wall flow collector for chemical process tower
01/18/1983US4369132 Exhaust gas purifying catalyst
01/18/1983US4369130 Composition for removing sulfur oxides from a gas
01/18/1983US4369108 Process for removing sulfur oxides from a gas
01/18/1983US4369049 Vertical drip separator apparatus and method
01/18/1983US4369048 Method for treating gaseous effluents emitted from a nuclear reactor
01/18/1983CA1139681A1 Recovery of hydrocarbon components from a hydrocarbon-carrier gas mixture
01/18/1983CA1139680A1 Gas separating members and a method of making the same
01/18/1983CA1139566A1 Process of converting polluting particles emitted in chemical or physical processes, into harmless substances
01/18/1983CA1139563A1 Lead with dichloroethane in fuel for i.c. engines
01/18/1983CA1139531A1 Process for removing sulfur and sulfur compounds from the effluent of industrial processes
01/12/1983EP0069241A1 Packing for material exchange columns, and process for producing the packing
01/11/1983US4368178 Process for the removal of H2 S and CO2 from gaseous streams
01/11/1983US4368070 Method for scrubbing the flues and for recovering _the salts in a process for the production of secondary aluminum
01/11/1983US4368060 Gas sparging method
01/11/1983US4368059 Process of removing H2 S, CO2, COS and mercaptans from gases by absorption
01/11/1983US4368058 Controlling flow in response to pressure drop
01/11/1983CA1139241A1 Heat-reactivatable adsorbent gas fractionator and process
01/11/1983CA1139240A1 Selective adsorption process
01/11/1983CA1139092A1 Photooxidation by exposure to visible light
01/06/1983WO1983000057A1 Ammonia/fuel ratio control system for reducing nitrogen oxide emissions
01/05/1983EP0068525A1 Process for the eliminaton of impurities from an activated-carbon filter
01/05/1983EP0068377A1 Process for the catalytic oxidation of exhaust gases from formaldehyde plants
01/05/1983EP0068006A1 A process for cleaning flue gases from heating plants.
01/04/1983US4367258 Process for the decarbonation of gases
01/04/1983US4367212 Control of thiosulfate in wet desulfurization process solutions
01/04/1983US4367205 Process for removing sulfur dioxide from combustion exhaust gas
01/04/1983US4367204 Process for the recirculation of nitrogen oxides
01/04/1983US4367162 Catalyst for purifying exhaust gases and a method for producing the catalyst
01/04/1983US4367139 Hollow fiber permeator
01/04/1983US4367082 Air separating system
01/04/1983US4366608 Method for manufacturing fluid contacting device
01/04/1983CA1138899A1 Process for removal of carbonyl sulfide in liquified hydrocarbon gases with absorption of acid gases
01/04/1983CA1138892A1 Process for purifying oxygen-containing recycle gas deriving from ozonisation
01/04/1983CA1138649A1 Process for recovering aluminum and other metals from fly ash
12/1982
12/29/1982EP0067870A1 Removal of hydrocarbon compositions
12/29/1982EP0067812A1 Scavenging hydrogen sulfide from hydrocarbon gases.
12/28/1982US4366134 Absorption in aqueous potassium citrate, stripping
12/28/1982US4366133 Purging, drying
12/28/1982US4366132 Method of and apparatus for the chemisorptive scrubbing of waste gases
12/28/1982US4366131 Highly reactive iron oxide agents and apparatus for hydrogen sulfide scavenging
12/28/1982US4366085 Fibrous activated carbon with metal chelate compound supported thereon, process for producing the same
12/28/1982US4365981 Gas filter
12/28/1982US4365979 Water producing apparatus
12/28/1982CA1138404A1 Multicellular monolithic ceramic body and preparation thereof
12/28/1982CA1138291A1 Tobacco-smoke filters
12/23/1982WO1982004406A1 Process for the elimination of toxic substances from exhaust gases
12/22/1982EP0067740A2 Process and apparatus for improving gas recovery in a pressure swing adsorption system
12/22/1982EP0067459A1 Silica particles and method for their preparation
12/22/1982EP0067452A1 Apparatus to keep the ambient air clean when discharging and cleansing the still of dry cleaning devices
12/22/1982EP0067404A2 Method for obtaining uniform stream in adsorption column
12/22/1982EP0067372A1 Liquid chromatography process
12/21/1982US4364918 Reaction with nickel derivative of ethylenediamine
12/21/1982US4364915 Deoxygenation, absorption of carbon dioxide in aqueous amine
12/21/1982US4364910 Integrated flue gas processing method
12/21/1982US4364906 Method for selectively removing fluorine and fluorine-containing contaminants from gaseous UF6
12/21/1982US4364858 Method of producing an activated alumina Claus catalyst
12/21/1982US4364796 Promoting settling of oils and tars by adding some of collected particles
12/21/1982US4364753 Apparatus for the adsorptive cleaning of gases
12/21/1982US4364747 System for regenerative thermally reversed adsorption
12/21/1982CA1137876A1 Catalyst supports
12/21/1982CA1137754A1 Process for controlling sulfur oxides in coal gasification
12/15/1982EP0067045A1 Heat exchanger
12/15/1982EP0067044A2 Heat exchanger
12/15/1982EP0067013A1 Process for removal of cyclic urea reaction product from amine gas - treating solution
12/15/1982EP0067005A1 Fog prevention
12/15/1982EP0066940A1 Automatic C02 removal system and operation thereof
12/15/1982EP0066869A2 Process for separating gas mixtures by the pressure-swing technique
12/15/1982EP0066868A1 Process for the separation of gas mixtures by pressure-swing adsorption
12/15/1982EP0066707A2 Process for limiting chloride buildup in SO2 scrubber slurry
12/14/1982US4363791 Alkanolaminium carboxylate solvents for selective SO2 absorption
12/14/1982US4363790 Desulfurization of H2 S containing gas streams with production of elemental sulfur
12/14/1982US4363785 Wood stove having catalytic converter
12/14/1982US4363753 Exhaust system catalyst support
12/14/1982US4363361 With oxidation catalysts
12/14/1982US4363333 Tobacco-smoke filters
12/14/1982US4363215 Catalytic oxidation with hydrogen peroxide
12/14/1982CA1137456A1 Process for comminuting and activating limestone by reaction with co.sub.2