Uranium mobilization from low-grade ore by cyanobacteria |
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Authors: | Michael G Lorenz Wolfgang E Krumbein |
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Institution: | (1) Geomicrobiology Division, University of Oldenburg, P. O. Box 2503, D-2900 Oldenburg, Germany |
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Abstract: | Summary Three cyanobacterial isolates (two LPP-B forms and one Anabaena or Nostoc species) from different environments could mobilize uranium from low-grade ores. After 80 days, up to 18% uranium had been extracted from coal and 51% from carbonate rock by the filamentous cyanobacterium OL3, a LPP-B form. Low growth requirements with regard to light and temperature optima make this strain a possible candidate for leaching neutral and alkaline low-grade uranium ores. |
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