Dewatering sludge

Liquid purification or separation – Processes – Making an insoluble substance or accreting suspended...

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Details

210710, 210737, C02F 124, C02F 138, C02F 1114

Patent

active

050303597

ABSTRACT:
Fats and proteins in wastewater are commonly concentrated in a dissolved air flotation cell as a sludge ("skimmings") which has a very high water content, even after centrifuging or the like. A process is provided to reduce the water content of the sludge thereby reducing the cost of disposal of the sludge.

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