2001•Uranium Mining and MetallurgyRequires access

THE DEVELOPMENT TRENDS OF SHRINKAGE STOPE LEACHING

Cong Li

Abstract

The shrinkage stope leaching is a comprehensive method of mining and hydrome tallurgy containing the mining technology(involve developing,cutting,drilling,blasting,ca ving ore and moving some ores to ground)and leaching ore (include distributing solution,percolation leaching,bottom collecting solution,recovering solution containing metal and processing).Due to integration process,the mining and hydrometallurgy processes are greatly shortened,and the economic profits are very remarkable.The development history of shrin kage stope leaching is presented in this paper,and the property of its subject is briefly described.Using several typical examples,its characteristics are summarized and several problems to be resolved are discussed.Finally its development prospect is made.

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Key concepts: Leaching (pedology), Shrinkage, Mining engineering, Hydrometallurgy, Drilling, Engineering, Metallurgy, Geology