METHOD FOR WELL UNDERGROUND LIXIVIATION OF HARD ROCK ORES Russian patent published in 2007 - IPC E21B43/28 

Abstract RU 2304712 C1

FIELD: mining industry, possible use during planning, completion and extraction of hard rock deposits of various mineral resources, including uranium, copper, gold, etc by underground lixiviation method.

SUBSTANCE: method includes building geo-technological wells, feeding lixiviating solutions into ore bodes and extracting productive solutions from there. Before underground lixiviation, advance drying of upper part of deposits of these ores is performed, and processing of watered and dried ore bodies is performed separately. Collection of productive solutions from these bodies is performed in remaining watered section of deposit in its upper zone.

EFFECT: possible efficient extraction of partially dried deposits using simple and low cost technology.

5 cl, 2 dwg, 1 ex

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RU 2 304 712 C1

Authors

Kul'Tin Jurij Vladimirovich

Kamnev Evgenij Nikolaevich

Dates

2007-08-20Published

2006-01-16Filed