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Scott C. Brooks; Wenming Dong; Sue Carroll; James K. Fredrickson; Kenneth M. Kemner; Shelly D. Kelly
Oak Ridge National Lab., Oak Ridge, TN (United States); Pacific Northwest National Lab., Richland, WA (United States); Argonne National Lab., Argonne, IL (United States). Funding organisation: USDOE - Office of Science (Seychelles) (US)2006
Oak Ridge National Lab., Oak Ridge, TN (United States); Pacific Northwest National Lab., Richland, WA (United States); Argonne National Lab., Argonne, IL (United States). Funding organisation: USDOE - Office of Science (Seychelles) (US)2006
AbstractAbstract
[en] The proposed research will elucidate the principal biogeochemical reactions that govern the concentration, chemical speciation, and reactivity of the redox-sensitive contaminant uranium. The results will provide an improved understanding and predictive capability of the mechanisms that govern the biogeochemical reduction of uranium in subsurface environments. In addition, the work plan is designed to: (1) Generate fundamental scientific understanding on the relationship between U(VI) chemical speciation and its susceptibility to biogeochemical reduction reactions. (2) Elucidate the controls on the rate and extent of contaminant reactivity. (3) Provide new insights into the aqueous and solid speciation of U(VI)/U(IV) under representative groundwater conditions
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1 Jun 2006; vp; Available from http://www.osti.gov/em52/2006projsum/1024833.pdf; PURL: https://www.osti.gov/servlets/purl/896202-jOLPeC/
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