2001•Mining and Metallurgical EngineeringRequires access

Copper Leaching From Discarded Copper Minerals Using Acclimatized T. Ferrooxidans

Hong Li

Abstract

A study was made of extracting copper from Pabaoshan′s discarded copper minerals using acclimatized T. Ferrooxidants. The results showed that secondary sulfide ore was leached for 10 days, obtaining a leaching rate of 29% Cu and primary sulfide ore for 25 days, obtaining a leaching rate of 25% Cu. The mechanism of leaching copper using T. ferrooxidants lies in its ability to oxygenate and decompose pyrite, chalcopyrite, chalcocite and other sulfides of copper.

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Key concepts: Chalcocite, Chalcopyrite, Copper, Leaching (pedology), Copper sulfide, Pyrite, Sulfide minerals, Sulfide