| 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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| 01/27/1976 | US3935098 Adsorbent process for heavy metals |
| 01/27/1976 | US3934990 Air cooler and cleaner for compressed air |
| 01/27/1976 | US3934989 Gas drying apparatus |
| 01/27/1976 | US3934471 Flow monitoring system |
| 01/20/1976 | US3934012 Using an aqueous solution of bicarbonate ions, dissolution |
| 01/20/1976 | US3933993 Use of concentrated chelated iron reagent for reducing pollutant content of a fluid |
| 01/20/1976 | US3933980 Process for removing ethylenically unsaturated chlorinated hydrocarbons from gas streams |
| 01/20/1976 | US3933978 Method of filtering dust-laden gases |
| 01/20/1976 | US3933450 Purifier for the physical-chemical treatment of combustion gases and other gases containing polluting or noxious constituents |
| 01/20/1976 | US3933431 Method and apparatus for sampling atmospheric mercury |
| 01/13/1976 | US3932589 Selective chromatographic separation of sulfur dioxide with organic reagents |
| 01/13/1976 | US3932588 Corrosion inhibition |
| 01/13/1976 | US3932587 Absorption of sulfur oxides from flue gas |
| 01/13/1976 | US3932586 Removal of oxides of sulfur from gases |
| 01/13/1976 | US3932585 Method of removing nitrogen oxides from plant exhaust |
| 01/13/1976 | US3932584 Method for purifying hydrogen sulfide-containing gas |
| 01/13/1976 | US3932583 Catalytic oxidation in aqueous alkaline solution |
| 01/13/1976 | US3932582 Method and compositions for removing acid gases from gaseous mixtures and reducing corrosion of ferrous surface areas in gas purification systems |
| 01/13/1976 | US3932309 Auto exhaust catalysts prepared from sulfite treated platinum and palladium salt solutions |
| 01/06/1976 | US3931394 Hydrogen sulfide removal |
| 01/06/1976 | US3931393 Catalytic process for removing sulfur dioxide from gas streams |
| 01/06/1976 | US3931390 Catalytic process for removing sulfur dioxide from gas streams |
| 01/06/1976 | US3931389 Process of desulfurizing hot gases |
| 01/06/1976 | US3931054 Method of catalyst manufacture |
| 01/06/1976 | US3931050 Platinum-metal oxide |
| 01/06/1976 | US3931049 Method for producing a catalyst |
| 01/06/1976 | US3931002 Process for removing heavy metals from solutions |
| 01/06/1976 | US3931000 Coalescing dialysis |
| 01/06/1976 | US3930990 Process for separating hydrocarbons |
| 01/06/1976 | US3930814 Process for producing oxygen-enriched gas |
| 01/06/1976 | US3930813 Process for producing nitrogen dioxide-free oxygen-enriched gas |
| 01/06/1976 | US3930803 Anti-pollution apparatus |
| 01/06/1976 | US3930522 Structural ceramic article and method of making same |