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Abstract
The removal, concentration, and recovery of zinc cyanide and cyanide ion from industrial electroplating wastes can be readily achieved with the weakly basic anion exchange resin, Amberlite XE‐275. Dilute sodium hydroxide easily strips both the metal cyanide and cyanide in a regeneration cycle. This new nondestructive process is promising for the recovery and recycle of water and costly chemicals now wasted and for the elimination of sludge disposal problems associated with current destructive pollution abatement methods.
Notes
Operated by Union Carbide Corporation for the Energy Research and Development Administration Contract No. W‐7405‐eng‐26.