Bioleaching of Uranium from Lower Grade Uranium Ores

Abstract

Abstract: The feasibility of bacterial recovery of uranium from the lower grade uranium ores was studied.The experiment results showed that above 60% uranium can be extracted from the uranium mine's low grade waste ores which grade is 0.0245%, the acid consumption of bacteria column leaching is less than 4%, the leaching periods are about 70 d.It is indicated that application of the bacteria for leaching recovery of uranium from low grade uranium mine is feasible.

Key words: Lower grade, Uranium ores, Column leaching, Bioleaching

WANG Xue-Gang, LIU Jin-Hui, LI Xue-Li, SHI Wei-Jun, ZHENG Zhi-Hong. Bioleaching of Uranium from Lower Grade Uranium Ores[J]. Metal Mine, 2009, 39(11): 179-182.

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Bioleaching of Uranium from Lower Grade Uranium Ores

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