Process for the separation of Cu.sup.++ -ions from sewage, waste

Details Process for the separation of Cu.sup.++ -ions from sewage, waste Process for the separation of Cu.sup.++ -ions from sewage, waste

1977-09-19

1979-10-30

Hart, Charles N.

Liquid purification or separation

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

Responsive to fluid flow

210 52, 210 53, 210 54, 210 961, 423 43, 423604, C02B 120, C02C 504

Patent

active

041727851

ABSTRACT:
Copper (Cu.sup.++)-ions are separated from an effluent containing complexing agents which are ethylenediamine tetraacetic acid and/or diethylenetriamine pentaacetic acid or their anionic salts, by using an HS-containing triazine compound and Fe.sup.+++ -ions in a quantity at least equal to the amount of complexing agent.

REFERENCES:
patent: 3778368 (1973-12-01), Nakamura et al.
patent: 3816306 (1974-06-01), Roy
patent: 3931007 (1976-01-01), Sugano et al.

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