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Bioleaching of uranium from low grade black schists by Acidithiobacillus ferrooxidans

Title
Bioleaching of uranium from low grade black schists by Acidithiobacillus ferrooxidans
Authors
Choi M.-S.Cho K.-S.Kim D.-S.Ryu H.-W.
Ewha Authors
조경숙김동수
SCOPUS Author ID
조경숙scopus; 김동수scopus
Issue Date
2005
Journal Title
World Journal of Microbiology and Biotechnology
ISSN
0959-3993JCR Link
Citation
World Journal of Microbiology and Biotechnology vol. 21, no. 3, pp. 377 - 380
Indexed
SCIE; SCOPUS WOS scopus
Document Type
Article
Abstract
The feasibility of bacterial recovery of uranium from the low grade black schists occurring in the Okcheon district, South Korea, was investigated. Following the introduction of Acidithiobacillus ferrooxidans, 80% of the uranium could be extracted from the schists, which contain 0.01% U 3O 8 by weight, within 60 h at a pulp density of 100 g-ore/l. Only 18% of the uranium was extracted without microbial activity. The uranium-leaching efficiency was not greatly affected by the addition of Fe 2+ in the range of 5-9 g/l, and the leaching efficiency of uranium from the schists by A. ferrooxidanscould be efficiently maintained at high pulp densities (up to 500 g-ore/l). © Springer 2005.
DOI
10.1007/s11274-004-3627-9
Appears in Collections:
엘텍공과대학 > 환경공학전공 > Journal papers
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