FIELD: metallurgy.
SUBSTANCE: proposed method consists in leaching of valuable and/or toxic components. Prior to leaching, sintering of mineral stock is executed by cement, calcium oxide and solution produced by mixing active soda solution subjected to photoelectrochemical treatment with leaching reagents. After sintering, pile is made from sintered material. Leaching consists in sprinkling said pile by water or aforesaid active soda solution.
EFFECT: higher efficiency.
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