Dewatering of sewage sludge

Details Dewatering of sewage sludge Dewatering of sewage sludge

C - Chemistry, Metallurgy

02

F

C02F 11/14 (2006.01) C02F 1/00 (2006.01)

Patent

CA 2287996

A sludge treatment plant in which sludge is flocculated and then dewatered to form a cake and a reject liquor is modified by recycling 3 to 40 % of the reject liquor into the sludge immediately before the dewatering process.

Installation de traitement de boues dans laquelle ces boues sont floculées, puis déshydratées afin de produire un pain, et dans laquelle une liqueur de rejet est modifiée par recyclage de 3 à 40 % de ladite liqueur vers l'intérieur de la boue immédiatement avant l'opération de déshydratation.

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