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)
06/1976
06/29/1976US3966790 Compositions and methods for high temperature stable catalysts
06/29/1976US3966645 Catalyst
06/29/1976US3966640 Supported cobalt sulfate desulfurization catalyst
06/29/1976US3966635 Treatment with sulfur compound and di- or tetravalent platinum compound, sulfurous acid
06/29/1976US3966595 Reverse osmosis
06/29/1976US3966443 Exhaust gas purifier for internal combustion engine
06/29/1976US3966442 Motor driven fan
06/29/1976US3966440 Colorimetric vinyl chloride indicator
06/29/1976US3966433 Gettering
06/29/1976US3966418 Gas treatment apparatus
06/29/1976US3966391 Alumina-rare earth oxide-metal oxide composite, platinum group metal
06/22/1976US3965249 Decompose hypochlorite
06/22/1976US3965244 Selective removal of sulfur compounds from acid gas mixtures containing significant quantities of carbonyl sulfide
06/22/1976US3965243 Recovery of sodium thiocyanate
06/22/1976US3965242 Method for desulfurizing exhaust gas by alkali sulphite-gypsum process
06/22/1976US3965040 Platinum or palladium compound, rhodium or ruthenium compound, calcining
06/22/1976US3964890 Rechargeable particulate filter for radioactive contaminated gas streams
06/22/1976US3964887 Radioactive gas standby treatment apparatus with high efficiency rechargeable charcoal filter
06/22/1976US3964884 Means and method for separation of water from steam-water mixture
06/22/1976US3964866 Helium reclamation
06/15/1976US3963827 Reduction of a nitrogen oxide and oxidation of carbon monoxide; ruthenium, platinum, base metals
06/15/1976US3963622 Hollow fibers, stills
06/15/1976US3963504 Porous ceramic structure
06/15/1976US3963466 Compressed gas drying apparatus
06/15/1976US3963463 Foam scrubber
06/15/1976US3963462 Method of purifying a neon-helium mixture
06/15/1976US3963460 Method and apparatus for treating waste gases containing radioactive impurities, particularly krypton and xenon nuclides
06/15/1976US3963448 Two-bed catalytic converter
06/15/1976US3963444 Secondary air supply means of exhaust gas cleaning devices
06/08/1976US3962410 Process for purifying industrial gases containing hydrogen sulfide with sulfur production
06/08/1976US3962405 Process for the removal of sulfur oxides from waste gases
06/08/1976US3962404 Process for regenerating absorbent solutions used for removing gaseous impurities from gaseous mixtures by stripping with steam
06/08/1976US3962129 Impregnation of coke with an organic compound to produce a molecular sieve
06/08/1976US3962127 Process for removing intermittant organic compounds from gaseous streams
06/08/1976US3962112 Composition and process for removing sulfur dioxide from combustion gases
06/08/1976US3962080 Sodium sulfur oxides wastes disposal process
06/08/1976US3961920 Gas adsorber cell test sampler
06/08/1976US3961919 Gas-vapor separating and gas purifying apparatus
06/08/1976US3961907 Catalytic converter
06/01/1976US3961032 Method for cleaning gases and vapors
06/01/1976US3961031 Method for removal of mercury in sulfur dioxide-containing gas
06/01/1976US3961023 From hydrogen cyanide and chlorine
06/01/1976US3961021 Scrubbing with alkali sulfite, reaction with calcium compound to produce gypsum
06/01/1976US3961020 Process for removing sulfur oxides and nitrogen oxides from flue gases using halogen-impregnated actuated carbon with simultaneous injection of ammonia
06/01/1976US3961019 Stripping with basic solution then passing through a glass fiber mat
06/01/1976US3961018 Reaction with methylamine and dimethylamine in vapor phase
06/01/1976US3961016 Method of removing carbon monoxide from gases
06/01/1976US3961015 Treating natural gas streams
06/01/1976US3960910 Removal of h2o and ammonia using a copper-aluminum-aromatic hydrocarbon complex
06/01/1976US3960770 Process for preparing macroporous open-cell carbon foam from normally crystalline vinylidene chloride polymer
06/01/1976US3960769 Carbon-containing molecular sieves
06/01/1976US3960687 Electrostatically enhanced removal of sulfur dioxide from gaseous carriers
06/01/1976US3960682 Method of processing waste gases containing sulphurous-acid anhydride
06/01/1976US3960529 Apparatus for removing sulfur oxide from exhaust gases
06/01/1976US3960521 High temperature polar stationary phase for gas chromatograhy
06/01/1976US3960520 Adsorption, ortho- and meta-xylene
06/01/1976US3960519 Method and system for generating a dehydrated inert gas stream
06/01/1976US3960510 Honeycomb structure for countercurrent gas flow
06/01/1976US3960507 Apparatus for removing nitrogen oxides from a contaminated gas containing the same
06/01/1976US3960505 Aerosol
06/01/1976US3959865 Method of containing a resiliently supported rigid ceramic catalyst support
05/1976
05/25/1976US3959661 Apparatus for purifying exhaust gases containing ionizable and oxidizable components
05/25/1976US3959451 Recovery of sulfur dioxide from gas mixtures
05/25/1976US3959441 Desulfurization process
05/25/1976US3959440 Method for removing SO2 and NOx simultaneously from the exhaust of a combustion furnace
05/25/1976US3959149 Isocyanate resin absorbent for free chlorine, heavy metals and heavy metallic compounds
05/25/1976US3958964 Apparatus for bringing gases and liquids into contact
05/25/1976US3958943 Process to purify gas containing hydrogen sulphide by means of amines
05/18/1976US3957953 Treating gas with catalytic dust in panel bed
05/18/1976US3957952 Regenerable, calcining, copper
05/18/1976US3957951 Process for removing contaminants from hot waste gas streams
05/18/1976US3957949 Oxidation by chlorine dioxide, sodium chlorite
05/18/1976US3957692 Method of preparing a catalyst
05/18/1976US3957691 Sintered ferric oxide
05/18/1976US3957674 Magnesium hydroxide suspension
05/18/1976US3957648 Apparatus for the fractionation of fluids
05/18/1976US3957534 Diaphragm for the separation of hydrogen from hydrogen-containing gaseous mixtures
05/18/1976US3957470 Evacuation chambers
05/18/1976US3957465 Pollution control apparatus and method
05/18/1976US3957418 Method and an apparatus for performing closed combustion
05/11/1976US3956532 Recovery of metal halides
05/11/1976US3956473 Process for oxidizing hydrogen sulfide to sulfur by means of molecular oxygen in the presence of transition metal complexes as catalysts
05/11/1976US3956460 Reaction with ammonia and oxygen to form ammonium thiocyanate
05/11/1976US3956459 From internal combustion engines, cupric and chromic oxide, palladium
05/11/1976US3956458 Method and apparatus for air purification
05/11/1976US3956192 Catalyst carrier
05/11/1976US3956189 Catalyst for treating combustion exhaust gas
05/11/1976US3956188 Compositions and methods for high temperature stable catalysts
05/11/1976US3956186 Alumina coating for solid carriers for catalysts
05/11/1976US3956185 Catalyst for exhaust gas purification
05/11/1976US3955946 Adsorption device
05/11/1976US3955944 Controlled selectivity activated carbon
05/11/1976US3955909 Reduction of gaseous pollutants in combustion flue gas
05/11/1976US3955753 Gas centrifuge with driving motor
05/04/1976US3954921 Gas-liquid contacting method and scrubber used therefor
05/04/1976US3954449 Process for the recovery of noble metals
05/04/1976US3954425 Absorption of SO2 from a dilute gas and desorbing it at higher concentrations into a stripping gas
05/04/1976US3954424 From oxidized coal or heavy oil
04/1976
04/27/1976USRE28792 Electrochemical method for separating O2 from a gas; generating electricity; measuring O2 partial pressure; and fuel cell
04/27/1976US3953587 Zeolite catalyst for dilute acid gas treatment via claus reaction