METHOD TO PRODUCE METALS FROM STORAGES OF STALE WASTES OF POLYMETAL ORE DRESSING Russian patent published in 2013 - IPC E21C41/26 C22B3/04 

Abstract RU 2490465 C1

FIELD: mining.

SUBSTANCE: method to produce metals from storages of stale wastes of polymetal ore dressing consists in trench opening of the storage, detection of layers containing easily dissolved forms of non-ferrous metals and layers containing noble metals, bulk extraction of stale wastes from the storage, fraction separation of stale wastes into a finer sulfide fraction dressed with noble metals and coarser fraction dressed with non-ferrous metals, and their separate leaching.

EFFECT: complete processing of storages of stale dressing wastes, release of areas occupied by them, complex usage of mineral materials and high environmental and economic effect.

3 cl, 1 dwg

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Authors

Ryl'Nikova Marina Vladimirovna

Abdrakhmanov Il'Jas Akhmetovich

Radchenko Dmitrij Nikolaevich

Matjushenko Gleb Aleksandrovich

Dates

2013-08-20Published

2012-02-29Filed