C - Chemistry – Metallurgy – 02 – F
Patent
C - Chemistry, Metallurgy
02
F
C02F 1/74 (2006.01) B01J 3/00 (2006.01) C02F 1/24 (2006.01) C02F 1/30 (2006.01) C02F 1/46 (2006.01) C02F 9/00 (2006.01)
Patent
CA 2529787
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.
L'invention porte sur un procédé de décantation d'une eau résiduaire contenant une substance organique, ce procédé comprenant un traitement supercritique ou un traitement sous-critique et se caractérisant en ce qu'il consiste à effectuer au moins un prétraitement impliquant une séparation solides-liquides sélectionnée entre la séparation par coagulation, la séparation par sédimentation, la séparation par flottation et la filtration, et un traitement primaire comprenant un traitement biologique, puis un traitement secondaire comprenant un traitement supercritique ou un traitement sous-critique afin de décanter l'eau résiduaire.
Imai Genji
Miyata Naonori
Okajima Izumi
Sako Takeshi
Kansai Paint Co. Ltd.
Sim & Mcburney
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