Process for removal of hardening and galvanizing waste water

Details Process for removal of hardening and galvanizing waste water Process for removal of hardening and galvanizing waste water

1977-07-19

1979-12-11

Hart, Charles N.

Liquid purification or separation

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

Responsive to fluid flow

110243, 210 56, 210 63R, 210 73R, 159 47WL, 4232105, C02C 500

Patent

active

041782445

ABSTRACT:
Waste waters from salt bath hardening and galvanizing operations are removed through evaporation of the injurious material containing waste water and complete detoxification of the concentrate from the evaporation. The waste waters are first brought to a salt content of 300-500 grams/liter and this concentrated solution is then supplied to a molten salt bath.

REFERENCES:
patent: 3642583 (1972-02-01), Greenberg et al.
patent: 3647358 (1972-03-01), Greenberg
patent: 3865921 (1975-02-01), Reinhardt et al.

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