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Characterization of U(VI) Sorption-Desorption Processes and Model Upscaling

Description: The objectives of the overall collaborative EMSP effort (with which this project is associated) were to characterize sorption and desorption processes of U(VI) on pristine and contaminated Hanford sediments over a range of sediment facies and materials properties and to relate such characterization both to fundamental molecular-scale understanding and field-scale models of geochemistry and mass transfer. The research was intended to provide new insights on the mechanisms of U(VI) retardation at… more
Date: October 12, 2006
Creator: Bai, Jing; Dong, Wenming & Ball, William P.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Characterization of U(VI) Sorption-Desoprtion Processes and Model Upscaling

Description: In order to apply predictive reactive transport models to the Hanford site, detailed knowledge of the speciation of contaminants is required. Important speciation parameters include: (1) oxidation state; (2) the local molecular structure surrounding contaminant elements; (3) the type and binding of a contaminant ion sorption complex (if adsorbed); (4) the type(s) of phase within which a contaminant is structurally incorporated [e.g., present in a three-dimensional precipitate(s)]; (5) the phase… more
Date: December 1, 2004
Creator: Ball, William P.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Characterization of U(VI) Sorption-Desorption Processes and Model Upscaling: Annual Report for Johns Hopkins University (Contract No. DE-FG07-02ER63498)

Description: The objectives of the overall collaborative EMSP effort (with which this project is associated) are to characterize sorption and desorption processes of U(VI) on pristine and contaminated Hanford sediments over a range of sediment facies and materials properties. The research is intended to provide new insights on the mechanisms of U(VI) retardation at Hanford, and to develop approaches by which laboratory-characterized geochemical models can be upscaled for defensible predictions of uranium tr… more
Date: June 12, 2003
Creator: Ball, William P.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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