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Bacteria may ease cobalt supply

Bacteria may ease cobalt supply

Chemical Engineering International Edition 97(5): 23

A process for the economic extraction of cobalt from ores using a str. of Thiobacillus ferrooxidans is briefly described. A 1% ore and the bacteria are placed together in a column. A nutrient solution is added. T. ferrooxidans uses iron and sulfur in the ore as sources of energy and releases cobalt and other metals into solution. Ferrous iron is also converted to ferric iron which releases metals by oxidizing the ore.

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Accession: 002034257

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