FIELD: mining industry, particularly geotechnological non-ferrous metal ore processing methods.
SUBSTANCE: method involves forming injection and unloading excavations; launching ore in situ with the use of acid solutions and extracting metal from acid solution. Acidulation is performed by holding the solutions in formation and by reaching pH≥3.0 in seams, cracks and pores having maximal permeability in the presence of oxidizer. Productive solutions are removed under pH value equal to 1.5-2.5 and pH thereof is gradually increased to reach 3.0 and more by oxidizer introduction.
EFFECT: increased efficiency of ore leaching, increased degree of non-ferrous metal extraction from ore.
6 cl, 1 tbl, 1 ex
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