Abstract
Results are presented from a study of the composition and structure of the bacterial oxidation zone in the sulfide minerals pyrrhotine, sphalerite, and galena in a sulfuric acid solution. The biochemical reactions that occur at the phase boundary are shown. The studies were conducted in the Department of the Beneficiation of Ores of Nonferrous and Rare Metals at the Moscow State Institute of Steel and Alloys. Theoretical studies were also performed and technologies were developed for the bacterial leaching of sulfide ores and concentrates.
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