Browsing by Author "Jaffer, Ashraf"
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- ItemOpen AccessAn investigation into the mechanism of bioleaching of a predominantly-chalcopyrite concentrate with mesophiles(2002) Jaffer, Ashraf; Hansford, Geoffrey SpearingBioleaching is an established technology for the treatment of refractory gold ores and concentrates. The bioleaching of sulphide minerals is a complex process in which bacterial and chemical oxidation processes occur simultaneously. Recent studies has provided convincing evidence that the bioleaching of pyrite occurs via a two-step mechanism (Boon, 1996).