FIELD: mining.
SUBSTANCE: method for heap leaching of copper-zinc ores includes irrigation of material with mine waters, gathering of productive solution. Irrigation of material is performed by means of mine water, which has undergone electrochemical treatment with preliminary addition of the salt NaCl in amount of 1-20 g/l and after treatment is characterised by the following data: the value of pH - within 2-8; oxidation-reduction potential (ORP) - 600÷1200 mV; active chlorine ionic density - 50÷3000 mg/l; oxygen density - 15÷32 mg/l.
EFFECT: invention enables to raise effectivity of leaching and extraction of copper and zinc from ore material and to reduce the cost of finished product.
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