METHOD FOR UNDERGROUND LIXIVIATION OF METALS FROM WATERLESS ROCK Russian patent published in 1999 - IPC

Abstract RU 2126085 C1

FIELD: mining industry. SUBSTANCE: this can be used for extraction of metals by underground lixiviation from stratified infiltration deposits. According to method, drilled are injection and pumping-out bore-holes. Prior to that, waterless parts of ore horizon is watered. When water level in pumping-out bore-holes reaches elevation mark which corresponds to possible pumping-out conditions, started is withdrawal of water from pumping-out bore-holes and delivery of lixiviation solution into injection bore-holes. Application of aforesaid method solves problem of profitable extraction of metals from waterless deposits. EFFECT: higher efficiency. 1 cl

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RU 2 126 085 C1

Authors

Budunov A.A.

Gan V.N.

Dement'Ev A.A.

Naumov S.S.

Rudchenko A.V.

Dates

1999-02-10Published

1997-07-10Filed