FIELD: precious metals recovery. SUBSTANCE: solution is placed into electrolysis bath and is brought in contact first with cathode and then with anode. According to invention, before electrolysis, solution is supplemented with 1-5 g/l ferrous salt and electrolysis is carried out at anode current density 10-300 A/sq.m. EFFECT: reduced (up to 7 1/2 times) cyanide intake. 1 tbl
Authors
Dates
1997-08-10—Published
1995-05-31—Filed