Aqueous Complexation Reactions Governing the Rate and Extent of Biogeochemical U(VI) Reduction | Zendy

Scott C. Brooks | Zendy; Wenming Dong | Zendy; Sue Carroll | Zendy; James K. Fredrickson | Zendy; Kenneth Kemner | Zendy; Shelly D. Kelly | Zendy

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Aqueous Complexation Reactions Governing the Rate and Extent of Biogeochemical U(VI) Reduction

Author(s) -

Scott C. Brooks,

Wenming Dong,

Sue Carroll,

James K. Fredrickson,

Kenneth Kemner,

Shelly D. Kelly

Publication year - 2006

Publication title -

osti oai (u.s. department of energy office of scientific and technical information)

Language(s) - English

Resource type - Reports

DOI - 10.2172/896202

Subject(s) - biogeochemical cycle , uranium , redox , aqueous solution , environmental chemistry , genetic algorithm , reactivity (psychology) , chemistry , groundwater , environmental science , inorganic chemistry , ecology , geology , materials science , biology , medicine , alternative medicine , geotechnical engineering , pathology , metallurgy

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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