Sludge concentration method

Details Sludge concentration method Sludge concentration method

1985-12-24

1986-12-02

Wyse, Tom

Liquid purification or separation

Processes

Making an insoluble substance or accreting suspended...

210727, C02F 1114

Patent

active

046263560

ABSTRACT:
A method of sludge concentration comprises forming a froth in the foaming zone by mixing a foaming agent, air and water, mixing the sludge feed with said froth and a polymeric flocculant in a mixing zone, and introducing the resulting mixture of sludge and flocculant into a flotation zone for separating the mixture into a concentrated sludge and water is disclosed.

REFERENCES:
patent: 3787316 (1974-01-01), Brink et al.
patent: 3886068 (1974-05-01), Eron
patent: 4198294 (1980-04-01), Deane
patent: 4203837 (1980-05-01), Hoge et al.

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