METHOD OF RECOVERY OF METALS FROM PYRITIC ORES Russian patent published in 1997 - IPC

Abstract RU 2075522 C1

FIELD: hydrometallurgy; methods of heap and underground leaching of metals from ores. SUBSTANCE: pyritic ores containing carbonate minerals are leached with natural underground waters with addition of sulfuric acid. Leaching is carried out at sulfuric acid-carbonate minerals in ore ratio of (5-12):(0.5-1.5). EFFECT: higher efficiency. 1 tbl

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RU 2 075 522 C1

Authors

Jashina G.M.

Dates

1997-03-20—Published

1993-01-12—Filed