Process for the separation of cadmium (Cd.sup.++)-ions from sewa

Details Process for the separation of cadmium (Cd.sup.++)-ions from sewa Process for the separation of cadmium (Cd.sup.++)-ions from sewa

1977-09-06

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, 423101, 423593, C02B 120, C02C 504

Patent

active

041727843

ABSTRACT:
Cadmium (Cd.sup.++) ions are separated from an effluent containing complexing agent such as nitrilotriacetic acid, 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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