Waste treatment process

Details Waste treatment process Waste treatment process

1974-01-14

1976-05-25

Hart, Charles N.

Liquid purification or separation

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

Responsive to fluid flow

210 53, 210 75, B01D 2101

Patent

active

039591298

ABSTRACT:
A process for clean-up of pollutant ladent water of the type characteristically produced in conventional container manufacturing installations. Such waste water is derived typically from water based printing ink wash-up and/or starch adhesive wastes. The process produces highly purified, optionally colorless water adapted for re-use and/or discharge. The process employs chemical treatment of such a starting aqueous waste to facilitate removals of colloidal particles and heavy metals followed by physical removal of suspended solids. Optionally, the resulting treated water is further subjected to decolorization.

REFERENCES:
patent: 3037931 (1962-06-01), Gayhardt
patent: 3436344 (1969-04-01), Canning et al.
patent: 3446488 (1969-05-01), Mail et al.
patent: 3573202 (1971-03-01), Sobota et al.
patent: 3835045 (1974-09-01), Hussissian
patent: 3868320 (1975-02-01), Hider et al.
Babbitt, Sewerage & Sewage Treatment, 1958, 8th Edition, pp. 446-449.
Parsons, Chemical Treatment, 1965, pp. 101-107.

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