FIELD: hydrometallurgy. SUBSTANCE: line has secondary metal concentration unit positioned in front of electrolytic metal separation unit. Secondary metal concentration unit is connected through metal-free eluate transportation pipeline with unit for sorbing metals from solutions and/or pulps and through coal transportation pipeline with metal desorption unit so that closed circuit is formed. Metal desorption unit is connected through coal recovery unit and electrolytic metal separation unit with metal sorption, and secondary concentration unit-through coal and eluate transportation pipelines, respectively. EFFECT: increased efficiency in extraction of noble metals and enhanced reliability in operation. 7 cl, 8 dwg
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