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Characterization of Biologically Reduced U Particles

EMSL Project ID
3260
Award DOI
https://dx.doi.org/10.46936/genr.proj.2003.3260/60003981

Abstract

 In collaboration with Dr. Jim Amonette (PNNL, we are working on reduction of Uranium(VI) under sulfate reducing conditions in the presence of iron minerals. U(VI) dissolved in a growth medium was reacted under anoxic conditions with a mixture of hematite and quartz. After reduction by SRB, analysis by U L3-edge XANES spectra of reduced U, both liquid filtrate and associated with solids, yielded typical U(IV) spectra. We want to further characterize reduced U using HR-TEM on samples from the liquid filtrate and associated with solids.

Project Details

Project type
Exploratory Research
Start Date
2003-02-10
End Date
2006-02-12
Status
Closed
Released Data Link
https://search.emsl.pnnl.gov/?project_id_search=3260

Team

Principal Investigator

Brent Peyton
Institution
Montana State University

Team Members

Rajesh Sani
Institution
South Dakota School of Mines and Technology

Related Publications

The toxicity of lead toDesulfovibrio desulfuricansG20 in the presence of goethite and quartz

Sani R, G Rastogi, J Moberly, A Dohnalkova, TR Ginn, N Spycher, R Shende, and B Peyton. 2010. "The toxicity of lead to Desulfovibrio desulfuricans G20 in the presence of goethite and quartz." Journal of Basic Microbiology 50(2):160-170. doi:10.1002/jobm.200900239
https://dx.doi.org/10.1002/jobm.200900239