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)
07/1980
07/01/1980CA1080442A1 Elimination of assine
07/01/1980CA1080441A1 Catalytic process for removing sulfur dioxide from gas streams
06/1980
06/25/1980EP0012449A1 Use of a device for separating and enrichment of a hydrogen isotope from a mixture of hydrogen isotopes
06/25/1980EP0012448A1 Process and device for selective separation of hydrogen from a gas mixture by diffusion
06/25/1980EP0012221A1 Mercury contamination indicator and its use as an indicator and as a decontaminator
06/24/1980US4209554 Polydentate metal salts used in the process for the deactivation of glass surfaces and capillary columns therewith
06/24/1980US4209496 Treatment of offgas from aluminum chloride production
06/24/1980US4209309 Apparatus for the separation of isotopes by separating-nozzle process
06/24/1980US4209308 Sorption system
06/24/1980CA1080198A1 Pyrolyzed beads of a resinous polymer
06/24/1980CA1080144A1 Apparatus for the removal of gaseous organic impurities from waste gases
06/24/1980CA1080135A1 Vortex gas separator
06/24/1980CA1080133A1 Removal of h2s and/or co2 from a light hydrocarbon stream by use of gas permeable membrane
06/17/1980US4208529 Continuous flow of liquid in olefin polymerization process
06/17/1980US4208454 With alumina, vacuum treatment
06/17/1980US4208396 Containing sulfur dioxide
06/17/1980US4208395 Removal of sulfur dioxide from flue gas
06/17/1980US4208391 Process for producing aqueous solution of calcium nitrite
06/17/1980US4208387 Removal of sulfur dioxide from waste gases
06/17/1980US4208386 Urea reduction of NOx in combustion effluents
06/17/1980US4208385 Process for defoaming acid gas scrubbing solutions and defoaming solutions
06/17/1980US4208384 Energy recovery, sour gas stripping and caustic neutralization using combustion gases containing solids
06/17/1980US4208383 Adding a neutralizer selected from sodium or calcium hydroxides
06/17/1980US4208382 Removing H2 S from gas with recycled NMP extraction solvent
06/17/1980US4208381 Method and apparatus for cleaning waste flue gases
06/17/1980US4208305 Crystalline silicates and process of preparation
06/17/1980CA1079526A1 Organic amine process for sulfur removal from circulating oil used in sour gas wells
06/17/1980CA1079497A1 Thermal regeneration and decontamination apparatus and industrial oven
06/17/1980CA1079495A1 Apparatus and method for cleansing noxious constituents from gas streams
06/17/1980CA1079494A1 Adsorption-absorption vapor recovery system
06/17/1980CA1079493A1 Salts of the iodine oxyacids in the impregnation of adsorbent charcoal for trapping radioactive methyliodide
06/17/1980CA1079492A1 Process for removing sulfur dioxide from a gas stream
06/11/1980EP0011997A1 Method for removing hydrogen sulphide from gaseous mixtures containing hydrogen sulphide and carbon dioxide
06/11/1980EP0011976A1 Distillation plate
06/11/1980EP0011872A1 Process for operating a cyclic pressure-swing adsorption device
06/10/1980US4207299 Sulphur dioxide removal process
06/10/1980US4207298 High temperature removal of H2 S from reducing gas
06/10/1980US4207292 Pollution control fro hydrocarbon fuels especially coal
06/10/1980US4207291 Ozone removal filter having manganese dioxide coated thereon
06/10/1980US4207290 Desulfurization
06/10/1980US4207209 Oxidized titanium in oxidized molybdenum binder for use in automotive exhaust systems
06/10/1980US4207192 Hollow filament separatory module and method of fabrication
06/10/1980US4207084 Single bed separator apparatus
06/10/1980US4207082 Apparatus for the continuous purification of exhaust gas containing solvent vapors
06/10/1980US4206802 Moisture separator reheater with thermodynamically enhanced means for substantially eliminating condensate subcooling
06/10/1980CA1079031A1 Wet-cleaning gases containing sulfur dioxide, halogens and arsenic
06/10/1980CA1079030A1 Sulfur dioxide scrubbing system
06/10/1980CA1079029A1 Process of increasing the yield in the production of sulfure
06/03/1980US4206187 Process for removing sulfur dioxide from gas
06/03/1980US4206186 Washing with an oil, absorption to purify
06/03/1980US4206184 Method and apparatus for the catalytic conversion of the exhaust discharge of internal combustion engines
06/03/1980US4206183 Method of removing mercury-containing contaminations in gases
06/03/1980US4206087 Catalyst for reducing pollutants in waste gas streams and process for preparing the catalyst
06/03/1980US4206083 Pollution control, platinum, palladium, manganese oxide
06/03/1980US4206081 Process for producing highly active denitrating catalysts
06/03/1980US4205967 Adsorbent fractionator with system gas powered cycle control and process
05/1980
05/28/1980EP0011517A2 Process and apparatus for removing hydrogen sulfide from gas streams
05/28/1980EP0011270A1 Centrifuge for separating gas mixtures
05/28/1980EP0011228A1 Process for the removal of undesirable gaseous components from hot exhaust gases
05/28/1980EP0011176A1 Packing to be fitted in columns, apparatuses or tubes used in engineering
05/27/1980US4205055 Dual pore-structure artificial carbon and graphite
05/27/1980US4205050 Method of reducing corrosion in sour gas sweetening systems
05/27/1980US4204980 Method and composition for removing iodine from gases
05/27/1980US4204945 Removing pollutants from flue gas in nonzeolitic catalytic cracking
05/27/1980US4204944 Process for removing pollutants from nonzeolitic catalyst regenerator flue gas
05/27/1980CA1078364A1 Catalysts comprising substrate, intermediate oxide layer and catalytic layer
05/27/1980CA1078147A1 Production of hydrochloric acid by removing hydrogen chloride from combustion gas
05/27/1980CA1078146A1 Method for the removal of nitrogen oxides from exhaust gases
05/27/1980CA1078145A1 Removal of co2 and/or h2s from cracked gases
05/27/1980CA1078142A1 Method of producing aluminum fluoride
05/20/1980US4203958 Desorption by fluidized beds by air under vacuum prior to flushing with nitrogen effluent
05/20/1980US4203954 Process for desulfurization of exhaust gases recovering gypsum as _by-product
05/20/1980US4203953 Absorption by buffer solution containing glycerol
05/20/1980US4203844 Hollow fiber apparatus for the fractionation of fluid especially useful as an artificial kidney
05/20/1980US4203838 Sewage
05/20/1980US4203734 Method and apparatus for the selective adsorption of vaporous or gaseous impurities from other gases
05/20/1980US4203445 Gas-venting filter assembly for collection device
05/20/1980CA1077916A1 Catalyst for oxidation of carbon monoxide and hydrocarbons in combustion engine exhaust gas
05/20/1980CA1077915A1 Method and composition for removing sulfur dioxide from flue gases
05/20/1980CA1077914A1 Process for the removal of so2 from a stack gas absorptive medium for use in process and process for preparing the absorptive medium
05/20/1980CA1077885A1 Laser assisted jet nozzle isotope separation
05/20/1980CA1077682A1 Methods of desulphurizing fluid materials
05/15/1980WO1980000922A1 Process and apparatus for pumping gases using a chemically reactive aerosol
05/14/1980EP0010877A1 Valve tray
05/14/1980EP0010704A1 Downflow or upflow adsorbent fractionator flow control system
05/13/1980US4202869 Process for the desulfurization of flue gases
05/13/1980US4202864 Geothermal
05/13/1980US4202846 Rotor film apparatus for processes with participation of liquid and gas
05/13/1980US4202176 Internal combustion engine with an exhaust gas turbocharger formed by an exhaust gas turbine and by a supercharging blower driven thereby
05/13/1980CA1077458A1 Method and composition for removing iodine from gases
05/13/1980CA1077412A1 Cyclone separator for a steam/water mixture
05/13/1980CA1077240A1 Process and apparatus for the purification of flue and other waste gas
05/06/1980US4201755 Multistage, multizonal
05/06/1980US4201753 Spraying with potassium carbonate and hydroxide to form potassium sulfate
05/06/1980US4201752 Process for the selective removal of sulfur dioxide from effluent gases
05/06/1980US4201751 Gas purification
05/06/1980CA1077011A1 Catalytic metal oxides on perovskite supports
05/06/1980CA1076967A1 Selective adsorption process
05/06/1980CA1076952A1 Process for the separation of dry particulate matter from a hot gas
05/06/1980CA1076780A1 Controlled scrubbing of effluent gases containing waste halides