Process for the separation of cadmium (Cd{hu {30 {30 {b )-ions from sewage, waste water and aqueous solutions

摘要

Cadmium (Cd++) 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+++ ions in a quantity at least equal to the amount of complexing agent.