| abstract |
A method for clarifying a waste water containing an organic material involving a supercritical treatment or a subcritical treatment, characterized in that it comprises carring out at least one pretreatment involving a solid-liquid separation selected from among the coagulation separation, the settling separation, floatation separation and filtration0, a primary treatment comprising a biological treatment, and then a secondary treatment comprising a supercritical treatment or a subcritical treatment, to thereby clarify the waste water. |