Process for treatment of waste water exhausted from water-wash s

Details Process for treatment of waste water exhausted from water-wash s Process for treatment of waste water exhausted from water-wash s

1977-04-15

1978-01-31

Wyse, Thomas G.

Liquid purification or separation

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

Responsive to fluid flow

210 54, C02B 120

Patent

active

040714497

ABSTRACT:
A process for treatment of waste water exhausted from a water-wash spray booth using a water-soluble paint which comprises adding an acidic agent and an alkaline agent, which can form a salt insoluble or hardly soluble in water as the result of the interaction between them, to the waste water while keeping its pH value in the range of about 6 to 9 so as to cause the water-soluble paint to be deposited as a non-adhesive coagulation product and eliminating the non-adhesive coagulation product from the resultant waste water by a conventional procedure for separation of solid and liquid.

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patent: 2470332 (1949-05-01), Bollaert
patent: 2982723 (1961-05-01), Arnold et al.
patent: 3497459 (1970-02-01), Nakamura
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patent: 3650686 (1972-03-01), Hudson
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patent: 3798160 (1974-03-01), Huffman
patent: 3861887 (1975-01-01), Forney
patent: 3990869 (1976-11-01), Forney

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