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)
05/1982
05/04/1982US4328195 Process for desulfurizing combustion exhaust gases
05/04/1982US4328194 Nitrogen oxide removal process
05/04/1982US4328189 Apparatus for the granulation of precipitation products formed from ammonium compounds
05/04/1982US4328020 Melting glass with reduced NOx emissions
05/04/1982US4327936 Air dehumidifying arrangement for pneumatic vehicle suspension system
05/04/1982CA1123062A1 Method and apparatus for improving the environment when electric-arc-welding
05/04/1982CA1122956A1 Shaped catalyst process for its production and its use
05/04/1982CA1122912A1 Method for removing pollutants from catalyst regenerator flue gas
05/04/1982CA1122782A1 Mass transfer process
04/1982
04/29/1982WO1982001364A1 Method for removing hydrogen sulfide from gas streams
04/29/1982WO1982001348A1 Method and device for scrubbing air containing noxious substances
04/29/1982WO1982001324A1 Method and apparatus for the separation of preferably gaseous and difficultly condensable contaminations from a gas
04/28/1982EP0050522A1 Method for regeneration and re-utilization of discharged gas and arrangement employed therefor
04/28/1982EP0050340A2 Exhaust filter device for collecting particulates in engine exhaust gases and method for its manufacture
04/28/1982EP0050288A1 Use of water vapour permeable polyvinylalcohol sheets
04/28/1982EP0050243A1 Process and apparatus for cleaning air charged with noxious gases
04/28/1982EP0050133A1 Method for the separation of mixture by means of exchange of materials at different temperatures or pressures
04/27/1982US4327188 Aluminum titanate honeycombs
04/27/1982US4326866 Discharge apparatus for removing granular filter material from a filter housing and a filter apparatus having same
04/27/1982US4326858 Zeolite bed for separation of gases
04/27/1982CA1122584A1 Process for producing plate-shaped denitrating catalysts
04/27/1982CA1122516A1 Process for reconcentrating moist glycol
04/27/1982CA1122360A1 Method at the digestion of cellulose-containing material
04/21/1982EP0050106A1 Method and apparatus for the separation of preferably gaseous and difficultly condensable contaminations from a gas
04/21/1982EP0050054A1 Apparatus for receiving and supporting a perforated bag containing a hydrophilic product for combating the humidity in a space
04/21/1982EP0049954A1 Biochemical process for purifying contaminated water
04/21/1982EP0049936A1 A method of encapsulating materials in a zeolite in a stable manner
04/21/1982EP0049782A1 Process for the cyclical desorption of adsorbents cyclically charged with absorbates
04/21/1982EP0049739A1 Canister-compactor assembly
04/20/1982US4325936 Method for removing hydrogen sulfide from gas streams
04/20/1982US4325926 Absorption, adsorption
04/20/1982US4325925 Reacting with water and iron
04/20/1982US4325924 Urea reduction of NOx in fuel rich combustion effluents
04/20/1982US4325923 Contacting of plural phases
04/20/1982US4325922 Treatment of high-temperature stack gases containing condensable boron compounds
04/20/1982US4325921 Waste gas purification systems and methods
04/20/1982US4325817 Control of emissions in flue gas
04/20/1982US4325782 Gas purification
04/20/1982US4325713 Air pollution control process and apparatus
04/20/1982CA1122192A1 Low temperature regeneration of carbonaceous adsorbent
04/20/1982CA1121983A1 Process and apparatus for recovering hydrocarbons from air-hydrocarbon vapor mixtures
04/20/1982CA1121981A1 Process for controlling nitrogen oxides in exhaust gases and apparatus therefor
04/20/1982CA1121980A1 Treatment of effluent gases from the manufacture of fertilizer
04/20/1982CA1121979A1 Waste gas purification reactor and method
04/20/1982CA1121978A1 Neutralization of gases
04/14/1982EP0049585A1 Method and apparatus for treating, particularly desulphurising, a polluted gas
04/14/1982EP0049516A1 Separation of hydrogen chloride from gaseous mixtures
04/14/1982EP0049394A1 Process for eliminating hydrocyanic acid from gases that contain hydrogen
04/13/1982US4324776 Mid-temperature H2 S removal process
04/13/1982US4324775 Scrubbing with alkali metal salt of divalent anion, ion exchanging with amine salt
04/13/1982US4324770 Treating with lime solution to react with sulfur dioxide, spray drying, collecting and recycling particles
04/13/1982US4324765 Apparatus for pumping gases using a chemically reactive aerosol
04/13/1982US4324759 And reaction with ammonia
04/13/1982US4324749 Three-dimensional exchange element for liquid guidance in liquid-gas contact systems
04/13/1982US4324701 Heat-resistant packings
04/13/1982US4324700 Process for preparing platinum group metal catalysts
04/13/1982US4324567 Separation of gaseous components from a gaseous mixture by physical scrubbing
04/13/1982US4324566 And cyclical series of high and low temperatures
04/13/1982US4324565 Removal of lubricant mists and lubricant vapors from a gaseous stream
04/13/1982US4324564 Regeneration with heat, cooling, cycles
04/13/1982US4324298 Scavenging hydrogen sulfide
04/13/1982CA1121741A1 Apparatus for continuous recovery of solvent
04/13/1982CA1121658A1 Waste treatment facility
04/07/1982EP0049008A1 Process for reducing the sulfur content in flue gases of a sulfur production unit
04/06/1982US4323614 With cells which deform in a preinduced manner under stress
04/06/1982US4323544 Comprinsing alumina and a group ia or iia component
04/06/1982US4323543 On a manganese phosphine organic complex absorber for separation
04/06/1982US4323542 Exhaust systems comprising rhodium uranium and platinum or palladi
04/06/1982US4323372 Process for recovering nitrobenzene, dichlorobenzene and/or trichlorobenzene from exhaust gases, in particular spent air
04/06/1982US4323371 Method and arrangement for treating gaseous combustion products
04/06/1982US4323370 Adsorption process producing varying amounts of product gas of a constant purity
04/06/1982CA1121283A1 Process for the separation of a gaseous mixture
04/06/1982CA1121282A1 Process for the separation of a gaseous mixture
04/06/1982CA1121272A1 Silica with metallic oxides to absorb deodorant for use in ash trays
04/06/1982CA1121144A1 Filter for the removal of apolar organic substances from gases
04/01/1982WO1982000959A1 A method and an apparatus for the treatment of a contaminated gas of elevated temperature
04/01/1982WO1982000958A1 Reverse absorption heat pump augmented distillation process
03/1982
03/31/1982EP0048683A1 Method and apparatus for the purification of pollutant residues
03/31/1982EP0048449A1 Method of purifying gases from acid gas components, especially purifying flue gases from sulphur dioxide
03/30/1982US4322394 Adsorbent regeneration and gas separation utilizing microwave heating
03/30/1982US4322393 Process for drying calcium chloride generated in high chloride flue gas desulfurization systems
03/30/1982US4322392 SO2 Scrubbing system for flue gas desulfurization
03/30/1982US4322386 Catalyst beds in exhaust gas ducts
03/30/1982US4322228 Pneumatically actuated electronic control for a fluid mixture adsorption separator
03/30/1982US4322227 Gas purification
03/30/1982US4322224 Spray absorber control system and method
03/30/1982US4322223 For water faucet
03/30/1982US4321961 Thermal energy exchanging device
03/30/1982US4321757 Drying apparatus and method
03/30/1982CA1120909A1 High temperature-stable catalyst composition
03/30/1982CA1120870A1 Gas transfer process with hollow fiber membrane
03/24/1982EP0048233A2 A method and an apparatus for the treatment of a contaminated gas of elevated temperature
03/23/1982US4321241 Process for the purging of flue gases containing acidic components
03/23/1982US4321240 Treatment of gaseous effluent
03/23/1982US4321224 Method for production of spherical molded product containing titanium oxide
03/23/1982US4321069 Multiple vessel cascade gas enrichment system
03/23/1982US4321065 Lithium aluminates for gas chromatograph columns
03/23/1982CA1120411A1 Single bed separator apparatus
03/23/1982CA1120396A1 Device for feeding liquids into material and heat exchanger columns
03/23/1982CA1120394A1 Ammonia collection and absorption apparatus for diazo reproduction machines