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Bioleaching of Manganese from Ores Using Heterotrophic Microorganisms.
Noble-EG; Baglin-EG; Lampshire-DL; Eisele-JA
Paper in Mineral Bioprocessing TMS PP 233-245 :233-245
The potential for using heterotrophic microorganisms to solubilize manganese from low-grade domestic ores is being assessed at the Reno Research Center, U.S. Bureau of Mines. More than 90 pct of the manganese has been extracted from a variety of oxide ores in shake- flask tests using molasses as a source of nutrients for the microorganisms. It has also been demonstrated that high recoveries of manganese can be obtained from a domestic wad ore using column bioleaching. The isolation and identification of organisms responsible for manganese extraction is discussed, as are the mechanisms responsible for manganese solubilization.
Paper in Mineral Bioprocessing. TMS, PP. 233-245