FIELD: mining industry, rock concentration with like valency metals. SUBSTANCE: method involves forming successively drain layer, two concentrated layers and leachable layers, with layers to be concentrated being formed in the order of increasing metal atom radii. When solution is supplied from source, metals are solved to migrate downward. Metals with larger radius are sedimented in the second concentrated layer and metal with smaller radius are sedimented in the first concentrated layer. Purified solutions are removed. EFFECT: increased efficiency, simplified method and improved quality of concentrated rock. 4 cl, 1 dwg
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