| Patents for C02F 103 - Nature of the water, waste water, sewage or sludge to be treated (11,124) |
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| 09/09/1980 | CA1085388A1 Cationically modified cellulose-containing materials and their use for the purification of industrial effluent |
| 08/05/1980 | US4216088 Method of treating phenolic waters formed in the manufacture of phenol-formaldehyde resins |
| 03/11/1980 | US4192744 With dicarboxy substituted tertiary amide as flocculant for iron oxides |
| 11/29/1979 | WO1979000975A1 Process for treating crude waters and waste waters and application thereof |
| 11/14/1979 | EP0005390A1 Process for treatment of raw and waste water and its application |
| 10/30/1979 | CA1065508A1 Sewage treatment - flotation apparatus |
| 10/09/1979 | US4170552 Method for coalescing mercury particles |
| 10/09/1979 | CA1063944A1 Process for the purification of industrial effluents |
| 10/02/1979 | CA1063648A1 Coal slurry feeder |
| 07/17/1979 | CA1058525A1 Membrane separation of phenols from aqueous streams |
| 06/19/1979 | CA1056738A1 Esterification process waste water purification |
| 05/08/1979 | CA1054268A1 Treatment of oil drilling effluents_ |
| 04/10/1979 | CA1052290A1 Separation of carbon black by liquid hydrocarbons |
| 12/26/1978 | US4131541 Removing coagulable substances from an aqueous medium |
| 09/19/1978 | US4115260 Selective removal of iron cyanide anions from fluids containing thiocyanates |
| 05/02/1978 | US4087359 Process for removing mercury and mercury salts from liquid effluents |
| 05/02/1978 | US4087356 Method for depolluting fresh and sea water from petroleum products |
| 11/29/1977 | US4060281 Coal slurry feeder |
| 07/12/1977 | US4035289 Purifying treatment for effluents of mineral oil drillings |
| 05/24/1977 | US4025428 Process for the purification of industrial effluents |
| 10/05/1976 | US3984312 Process for insolubilizing potentially water pollutable wastes from sodium or ammonium type sulfur dioxide air pollution control systems |
| 09/07/1976 | US3979285 Process for the purification of industrial effluents |
| 05/18/1976 | US3957160 Process for the prevention of precipitations in water or aqueous solutions |
| 01/20/1976 | US3933630 Purification of waste water containing phthalic esters |