| 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) |
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| 09/28/1976 | US3983072 Exhaust catalyst |
| 09/28/1976 | US3983052 Process for rejuvenating automobile emission control catalysts |
| 09/28/1976 | US3983021 Removal from gases by solids contact and electric discharge |
| 09/28/1976 | US3982981 Unitary honeycomb structure and method of making it |
| 09/28/1976 | US3982912 Method for preparation of an improved K-A type zeolite and for separation by adsorption polar and non-polar molecules |
| 09/28/1976 | US3982897 Filter and detector and methods of using same in the removal and detection of carbon monoxide from, and in, a gas stream |
| 09/28/1976 | US3982886 Cement manufacture |
| 09/21/1976 | US3981972 Method for desulfurizing flue gas by active carbon suspension |
| 09/21/1976 | US3981971 By contact with ammonia and a heavy metal sulfide catalyst |
| 09/21/1976 | US3981815 Process for utilizing collected material removed from effluent gas |
| 09/21/1976 | US3981699 Purifier |
| 09/21/1976 | US3981698 Absorption |
| 09/21/1976 | US3981696 Multipassage diffuser |
| 09/21/1976 | US3981156 Vapor recovery system and method |
| 09/14/1976 | US3980763 Process and composition for separation of oxygen from air using Pr-Ce as the carrier |
| 09/14/1976 | US3980760 Recovery of sulfur dioxide from gas mixtures |
| 09/14/1976 | US3980759 Recovery of sulfur dioxide from gas mixtures |
| 09/14/1976 | US3980756 Air pollution control system |
| 09/14/1976 | US3980755 System for removing chloromethyl ether and bis-chloromethyl ether from air contaminated therewith |
| 09/14/1976 | US3980584 Carrier and catalyst for chemical processes and method of preparing said catalyst |
| 09/14/1976 | US3980457 Separator with magnetically controlled fluid valve |
| 09/14/1976 | US3980456 Microporous backing layer |
| 09/14/1976 | US3980454 Removal of sulfur dioxide |
| 09/07/1976 | US3979502 Method of eliminating chloroacetylenes present in hydrogen chloride gas |
| 09/07/1976 | US3979392 Method of separating liquid drops from a gas stream |
| 09/07/1976 | US3979337 Nickel or cobalt, iron, and copper |
| 09/07/1976 | US3979193 Pollution |
| 09/07/1976 | US3979192 Control of foam generation in gas-liquid separation towers |
| 09/07/1976 | US3979191 Magnesium or calcium chloride or hypochlorite |
| 09/07/1976 | US3979190 Series feed membrane stack |
| 09/07/1976 | US3979188 Fossil fuel |
| 09/07/1976 | US3979175 Vapor recovery and disposal system |
| 08/31/1976 | US3978193 Method and apparatus for treating exhaust gases |
| 08/31/1976 | US3978005 Catalyst for contact reduction of NOx in engine exhaust gases and method of producing same |
| 08/31/1976 | US3978004 Catalysts for the treatment of gases containing various derivatives of sulphur |
| 08/31/1976 | US3977952 Process for decomposing carbon-containing compounds |
| 08/31/1976 | US3977850 Centrifugal separator |
| 08/31/1976 | US3977849 Sorption pump |
| 08/31/1976 | US3977845 Adsorptive process for selective separation of gases |
| 08/24/1976 | US3976747 Modified dry limestone process for control of sulfur dioxide emissions |
| 08/24/1976 | US3976745 Process for reducing nitrogen oxides to nitrogen |
| 08/24/1976 | US3976599 Oxidation catalyst |
| 08/24/1976 | US3976451 Vacuum extract system for a membrane oxygen enricher |
| 08/24/1976 | US3976448 Electrostatic and sonic gas processing apparatus |
| 08/24/1976 | US3976447 Removal of hydrogen fluoride from gaseous mixture by absorption on alkaline earth metal fluoride |
| 08/24/1976 | US3976432 Reactor having an austenite steel catalyst for purifying flue gas |
| 08/17/1976 | US3975508 Method of prevention and removal of sulfur deposits from H2 S absorption equipment |
| 08/17/1976 | US3975502 Process for recovery of hydrogen cyanide |
| 08/17/1976 | US3975498 Process for adsorbing and removing nitrogen oxides from waste gases |
| 08/17/1976 | US3975172 Recovery of gaseous components from scrubbing liquid |
| 08/17/1976 | US3975170 Hydrogen concentration control utilizing a hydrogen permeable membrane |
| 08/17/1976 | US3974784 Molten salts, lime |
| 08/10/1976 | US3974258 Process for purifying a sulfur dioxide containing gas |
| 08/10/1976 | US3974257 Process for removing sulfur dioxide contained in a gas |
| 08/10/1976 | US3974256 Sulfide removal process |
| 08/10/1976 | US3974255 Method for treatment of engine exhaust gases |
| 08/10/1976 | US3974040 Controls for maintaining low nitrogen oxides content in internal combustion engine exhaust gases |
| 08/10/1976 | US3973934 Apparatus for diffusion separation |
| 08/10/1976 | US3973931 Air separation by adsorption |
| 08/10/1976 | US3973928 Gases, permeable membranes |
| 08/03/1976 | US3972980 Process removing sulfur dioxide from gases |
| 08/03/1976 | US3972979 Oxidative to carbon dioxide, water, hydrogen chloride and chlorine, platinum on boehmite support |
| 08/03/1976 | US3972837 Catalyst for purifying automotive exhaust gases |
| 08/03/1976 | US3972831 Silicon-boron-sodium or potassium-aluminum oxides microporous glass |
| 08/03/1976 | US3972824 Chloroform, methanol, ethanol, hexane |
| 08/03/1976 | US3972697 Air pollution control system |
| 08/03/1976 | US3972696 Flue gas pollution eliminator |
| 08/03/1976 | US3972695 Permeable tube |
| 08/03/1976 | US3972692 Process for removing acid from hydrocarbons |
| 08/03/1976 | US3972201 Vapor recovery system |
| 08/03/1976 | US3972184 Catalytic treatment of exhaust gas responsive to engine temperature |
| 08/03/1976 | US3972129 Apparaus for the adsorption treatment of a gaseous medium |
| 07/27/1976 | US3971844 Method for removing sodium sulfate from aqueous solutions |
| 07/27/1976 | US3971712 Process for removing sulfur impurities from a fluid by contact with silver articles |
| 07/20/1976 | US3970743 Process for the production of sulfur from mixtures of hydrogen sulfide and fixed nitrogen compounds |
| 07/20/1976 | US3970740 Wet gas scrubbing process |
| 07/20/1976 | US3970739 Process for concurrently treating process waste waters and flue gases from ammonia synthesis process plants |
| 07/20/1976 | US3970567 Generator |
| 07/20/1976 | US3970524 Treating waste materials to produce usable gases |
| 07/13/1976 | US3969492 Recovery of elemental sulfur from sulfur dioxide bearing waste gases |
| 07/13/1976 | US3969482 Abatement of high concentrations of acid gas emissions |
| 07/13/1976 | US3969480 Nickel base nox reducing catalytic structure |
| 07/13/1976 | US3969479 Odor control method |
| 07/13/1976 | US3969447 Grids for fluid contact apparatus |
| 07/13/1976 | US3969274 Silica xerogel support |
| 07/13/1976 | US3969095 Air filter apparatus |
| 07/13/1976 | US3969094 Flue gas scrubber |
| 07/13/1976 | US3969091 Process for desiccant drier regeneration |
| 07/13/1976 | US3969082 Apparatus for purifying exhaust waste gases |
| 07/13/1976 | US3969081 Two-phase contact reactor |
| 07/13/1976 | US3968756 Method for incineration of a sludge containing chromium substance and apparatus therefor |
| 07/13/1976 | US3968659 Process for separating water and liquid hydrocarbons from a fluid flow medium |
| 07/06/1976 | US3967938 Process for the separation of a gaseous mixture consisting of water vapor, hydrocarbons, and air |
| 07/06/1976 | US3967937 Absorption process method and apparatus |
| 06/29/1976 | US3966891 Process for manufacturing sulfur from a solution of sodium sulfite |
| 06/29/1976 | US3966879 Copper |
| 06/29/1976 | US3966878 Method for removing pollutants from a gaseous mixture |
| 06/29/1976 | US3966877 Method of processing of waste gases |
| 06/29/1976 | US3966876 Gas purification |
| 06/29/1976 | US3966875 Process for the desulfurization of gases |