FIELD: mining industry. SUBSTANCE: it can be used in underground and heaped leaching. Base for heap leaching is multilayer structure which is made up of two hermetic layer of polyethylene film, rubberized or rubber material and located between them is drain course. Effected through this course is circulation of decontaminating solution flowing in separated closed circuit. Also provided are delivery and distribution manifold and decontaminating solution collector. EFFECT: high efficiency. 1 dwg
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|---|---|---|---|
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