METHOD FOR EXTRACTION OF METALS OF SLIGHTLY PERMEABLE CLAY ORES Russian patent published in 1997 - IPC

Abstract RU 2094500 C1

FIELD: extraction of metals by leaching of slightly permeable ores. SUBSTANCE: antifiltration layer and leachable pile of slightly permeable ores are formed. Leaching of metals having maximal valence is carried out. EFFECT: increased permeability. 1 dwg

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RU 2 094 500 C1

Authors

Vorob'Ev A.E.

Anufriev A.A.

Chekushina T.V.

Bubnov V.K.

Dates

1997-10-27Published

1995-08-11Filed