Microbial recovery of uranium using native fungal strains |
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| Authors: | A Mishra N Pradhan RN Kar LB Sukla BK Mishra |
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| Affiliation: | 1. Key Laboratory of Radiation Physics and Technology, Ministry of Education, Institute of Nuclear Science and Technology, Sichuan University, Chengdu 610064, PR China;2. College of Chemistry, Sichuan University, Chengdu 610064, PR China;1. Environmental Biotechnology Laboratory, Department of Bioscience and Bioengineering, Indian Institute of Technology Jodhpur (IIT J), Jodhpur 342037, Rajasthan, India;2. Process Development Division, Nuclear Recycle Group, Bhabha Atomic Research Centre (BARC), Trombay 400085, Mumbai, India;1. Faculty of Biology, Sofia University “St. Kl. Ohridski”, 8 Dragan Tsankov Blvd., 1164 Sofia, Bulgaria;2. Institute of Molecular Biology, Bulgarian Academy of Sciences, Acad. G Bonchev Str., bl. 21, Sofia 1113, Bulgaria;1. Departament d’Enginyeria Química, Universitat Rovira i Virgili, Av. Països Catalans, 26, 43007 Tarragona, Spain;2. Fundació URV, Av. Països Catalans, 18, 43007 Tarragona, Spain;3. Enresa, Spain;1. School of Minerals Processing and Bioengineering, Central South University, Changsha 410083, China;2. Key Laboratory of Biometallurgy of Ministry of Education, Central South University, Changsha 410083, China |
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| Abstract: | Native microorganisms were isolated from water samples collected from uranium mines of Jaduguda, Bhatin and Nawapahar of UCIL India. Ten fungal strains isolated in pure cultures were selected, identified and used in this study. The strains were used for in situ leaching of mainly oxide low grade uranium ore of Turamdih mine. The maximum recovery of 71% uranium was obtained with the strain Cladosporium oxysporum. The other two strains belonging to Aspergillus flavus and Curvularia clavata gave 59% and 50% of metal recovery respectively from the same ore. |
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