uranium bioleaching?

Sofie-Anh Duranceau sduran2 at PO-BOX.MCGILL.CA
Mon Mar 1 12:30:36 EST 1999


How about indirect bioleching of uranium via iron oxidation by for ex.
Thiobacillus ferrooxidans? Isn't that bioleaching of Uranium. It was done
on a commercial scale in the 1980s in the Elliot Lake district in Ontario
at the Denison mine in particular. There was also some evidence that T.
ferrooxidans can oxidize U(IV) to U(VI) enzymatically and uses some of this
energy to assimilate CO2 although I am not sure if this hypothesis was
rejected.




>h at h.com wrote:
>>
>> It is well known that a varient of Ferrioxidans sufulbolus does exctly that.
>> I am doing a Ph.D about Iron, sufide and the Origin of Life so trust me!
>>
>
>Interesting bug name - please provide reference for its description -
>unless of course you mean Thiobacillus ferrooxidans and members of the
>Sulfolobus genus?
>As to advice, I think Nick Landau was correct - Derek Lovely is the best
>person to ask.
>Lesley Robertson
>
>
>> Nicholas Landau wrote:
>>
>> > sduran2 at PO-BOX.MCGILL.CA (Sofie-Anh Duranceau) writes:
>> >
>> > >Is anyone working on microbial mining of uranium? I am looking for good
>> > >reviews on the subject and someone who could answer my questions. Please
>> > >send me an e-mail to sduran2 at po-box.mcgill.ca
>> >
>> > I am not sure that I have ever heard of microbial mining of uranium
>> > being performed, although certainly it has been proposed.  There are
>> > some reviews which mention bacterial metabolism of uranium, but I
>> > have not ever seen one completely dedicated to that topic.
>> >
>> > You are at McGill?  You should get in touch with Derek Lovley.  He
>> > is the guy who discovered that microbes can reduce uranium.  He is
>> > currently at the University of Massachussetts at Amherst.  He wrote
>> > a review on the microbial reduction of metals some years back, in which
>> > uranium was mentioned.  For all I know, a more recent review has
>> > covered the issue more fully.  I assume that you have scanned the
>> > literature at this point.





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