FIELD: heap leaching of refractory metals. SUBSTANCE: stack of complex ores is formed on antifiltering base with electrodes embedded inside. First potential difference is applied to the electrodes, and anolyte is supplied to pipeline. Sulfide electrochemical dissolving is carried out. After gold mineralization it is leached up. Metal-bearing solutions are collected in solution collectors. EFFECT: high efficiency. 4 cl, 1 dwg
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