Treatment of cyanide-ferrocyanide effluents

Details Treatment of cyanide-ferrocyanide effluents Treatment of cyanide-ferrocyanide effluents

1985-04-29

1986-10-07

Doll, John

Chemistry of inorganic compounds

Nitrogen or compound thereof

Carbon containing

210721, 210763, 210904, C02F 158

Patent

active

046158731

ABSTRACT:
A process for treatment of cyanide-containing aqueous effluents in which ferrocyanide present is precipitated with a metal other than copper, preferably zinc either prior to or simultaneously with the treatment of the effluent with sulfur dioxide and air in the presence of soluble copper.

REFERENCES:
patent: 3736239 (1973-05-01), George et al.
patent: 4537686 (1985-08-01), Borbely et al.

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