THE UNDERGROUND COPPER BLOCK AND BOREHOLES LEACHING METHODS COMPARISON

The underground block and boreholes leaching methods are compared. The prospects for underground leaching (leaching from underground openings) are evaluated for copper deposits conditions. The method for decision-making under uncertainty are used. The feasibility of compared methods evaluated based on limited set of internal and external factors.

The feasibility of both methods is confirmed. The block leaching advantage is established. The lower limit of efficiency for both methods are evaluated.

By the example of two deposits the advantages of underground leaching over the traditional technologies: cleaning the mine site from the tailings and waste rock dump, the capital investment for initial mine development reduction, operating costs reduction are illustrated.

Keywords

Underground mining, leaching from underground openings, underground block and boreholes leaching.

Issue number: 3
Year: 2017
ISBN:
UDK: 622.272
DOI:
Authors: Kaplunov D.R., Yukov V.A., Lavenkov V.S.

About authors: Kaplunov D.R., Chief Researcher, Corresponding Member of Russian Academy of Sciences, Yukov V.A., Candidate of Technical Sciences, Senior Researcher, Lavenkov V.S., Junior Researcher, Institute of Problems of Comprehensive Exploitation of Mineral Resources of Russian Academy of Sciences, 111020, Moscow, Russia, e-mail: info@ipkonran.ru.

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THE UNDERGROUND COPPER BLOCK AND BOREHOLES LEACHING METHODS COMPARISON

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