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Bioleaching of cobalt from smelter wastes byThiobacillus ferrooxidans |
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| Authors: | Gregory J Olson Craig K Sakai E J Parks F E Brinckman |
| Institution: | (1) Polymers Division, National Institute of Standards and Technology, Gaithersburg, MD, U.S.A.;(2) Department of Chemical Engineering, University of Maryland, College Park, MD, U.S.A.;(3) Present address: Pittsburgh Energy Technology Center, P.O. Box 10940, 15236 Pittsburgh, PA, U.S.A. |
| Abstract: | Summary The bioleaching of cobalt from domestic, industrial smelter wastes was studied.Thiobacillus ferrooxidans solubilized Co from sulfidic dross furnace mattes. At pulp densities of 4% (w/v) up to 600 mg of Co per liter of leaching solution was released from nickel matte, corresponding to removal of about two-thirds of the original amount of Co in the matte. Bioleaching methods may be useful as a component of a process for solubilization and recovery of Co from sulfidic smelter mattes. |
| Keywords: | Leaching Metal recovery Strategic metal Cobalt Smelter waste Thiobacillus ferrooxidans |
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