| Patents for C02F 11 - Treatment of sludge; Devices therefor (21,423) |
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| 05/04/1976 | US3954602 Process for cleaning used oils |
| 05/04/1976 | US3954381 Method of and apparatus for incinerating an aqueous solution containing nitro compounds |
| 05/04/1976 | US3954069 Process and apparatus for the incineration of aqueous sewage sludge |
| 04/27/1976 | US3953570 Process for the treatment of carburizing salt wastes |
| 04/27/1976 | US3953306 Metal recovery from waste treatment sludges |
| 04/20/1976 | US3951800 Method of storing sludge recovered from the hot water extraction of bitumen from tar sands |
| 04/20/1976 | US3951795 Process and apparatus for treating fatty waste water |
| 04/13/1976 | US3950490 Process for the treatment of carburizing salt wastes |
| 04/13/1976 | US3950230 Solvent extraction |
| 03/30/1976 | US3947350 Process of preparing sewage sludge for dewatering |
| 03/30/1976 | US3947327 Process and apparatus for recovering clean water from aqueous wastes |
| 03/30/1976 | US3947284 Method for solidifying sludge |
| 03/30/1976 | US3947283 Method for solidifying sludge |
| 03/30/1976 | US3946679 Method and apparatus for treating a continuous flow of fluid waste products and other materials |
| 03/09/1976 | US3942970 Process for treating sewage sludge and fertilizer products thereof |
| 02/24/1976 | US3939763 Continuous press |
| 02/10/1976 | US3937023 Waste and organic garbage disposal system without out-fall line or smoke stack |
| 02/03/1976 | US3936375 Process for dewatering a proteinaceous, aqueous sludge and for removing and recovering precipitating agents from a precipitate containing proteinaceous substances |
| 01/20/1976 | US3933636 Apparatus and method for disposing of solid human excrement in an engine-driven conveyance |
| 01/20/1976 | US3933634 With dust coal or lignite |
| 01/13/1976 | US3932275 Dewatering, polyacrylamide |
| 01/06/1976 | US3931012 Sewage treatment system |
| 01/06/1976 | US3930998 Wastewater treatment |