Recovery and reuse of paint solids from waste water

Details Recovery and reuse of paint solids from waste water Recovery and reuse of paint solids from waste water

1977-01-05

1978-06-20

Hart, Charles N.

Liquid purification or separation

With alarm, indicator, register, recorder, signal or...

Responsive to fluid flow

1062873, 210 54, 210 59, 427345, C02B 120

Patent

active

040960617

ABSTRACT:
A latex base paint waste water containing dispersed paint solids is clarified by flocculating the paint solids with a cationic flocculant. The separated paint sludge is brought to an alkaline pH and treated with an anionic dispersing agent whereby the sludge can be used in the formulation of a latex base paint.

REFERENCES:
patent: 2315125 (1943-03-01), Mechler
patent: 2348625 (1944-05-01), Hoffman
patent: 2968638 (1961-01-01), Mechler
patent: 2978344 (1961-04-01), Parker et al.
patent: 3753901 (1973-08-01), Taubman et al.
patent: 3861887 (1975-01-01), Forney
patent: 3990869 (1976-11-01), Forney

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