2002•Nonferrous MetalsRequires access

ACTIVE ALIGNMENT OF SULPHIDE MINERALS BIOOXIDIZED BY THIOBACILLUS FERROOXIDANS

Fan Youjing

Abstract

The biooxidation alignment of metal sulphide minerals in the refractory gold ore is investigated by observation of minerals biooxidation process with microscope based on microscopic battery model of sulphide mineral pairs. The results show that the biooxidation alignment of minerals in the refractory gold ore is: Arsenopyrite→Sphalerite→Galena→Tetrahadrite→Stibnite→Chalcopyrite→Pyrite→GoldMinerals.

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Key concepts: Arsenopyrite, Sphalerite, Stibnite, Galena, Pyrite, Chalcopyrite, Pyrrhotite, Metallurgy