| 摘要 |
FIELD: nonferrous metallurgy. SUBSTANCE: in a method comprising etching of concentrate with acid solution of ferric chloride, pulp obtained after etching is freed from sulfur and insoluble cake containing precious metals, and antimony solution is then separated and subjected to electrolysis, after which solution is returned into etching stage. EFFECT: increased recovery of antimony and precious metals. 6 cl, 1 tbl, 2 ex |
