Remediation: Ground Zero for Uranium?
2007
Using Bacteria to Clean Up Uranium Waste
publication
Author Information
Author(s): Joel Kostka, Colleen Hansel, Andreas Kappler
Primary Institution: Florida State University
Hypothesis
Can bacteria effectively solidify liquid uranium waste in situ?
Conclusion
Using bacteria to solidify uranium waste may be a better solution than traditional methods of disposal.
Supporting Evidence
- Bacteria can turn soluble uranium into an insoluble form that clings to geological formations.
- The research is part of a $15-million project led by Oak Ridge National Laboratory.
- Ethanol and glucose are evaluated as carbon sources for the bacteria.
Takeaway
Scientists are using special bacteria to turn liquid uranium waste into a solid form that stays in the ground, which is better than just moving the waste somewhere else.
Methodology
The study involves isolating Geobacteraceae bacteria and evaluating the effectiveness of ethanol and glucose as carbon sources for the bacteria.
Limitations
Questions remain about the stability of the solidified uranium and the effects of natural forces on it.
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