Actions for Colloid-Facilitated Transport of Radionuclides Through the Vadose Zone [electronic resource].

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Colloid-Facilitated Transport of Radionuclides Through the Vadose Zone [electronic resource].

Published
Washington, D.C. : United States. Dept. of Energy. Office of Science, 2005.
Oak Ridge, Tenn. : Distributed by the Office of Scientific and Technical Information, U.S. Dept. of Energy.
Additional Creators
Washington State University, United States. Department of Energy. Office of Science, and United States. Department of Energy. Office of Scientific and Technical Information
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Summary
In the previous reporting period, we have clarified the qualitative mineral transformation pathways when Hanford sediments are reacted with caustic Hanford tank waste. The major finding was that cancrinite, sodalite, zeolite A and allophane form when Hanford tank waste leaks into subsurface sediments. Cancrinite and sodalite are the most stable phases. The morphology and crystallinity of the minerals formed vary with alkalinity, salinity, and the Si/Al ratio. Temperature affects the reaction rates, but not the reaction pathways. In this project period, we have further refined the reaction pathways by quantification of XRD patterns and determination of weight fractions of individual minerals. This allowed us to generalize the results as function of solution chemistry.
Report Numbers
E 1.99:emsp-86814--2005
emsp-86814--2005
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Note
Published through SciTech Connect.
06/01/2005.
"emsp-86814--2005"
Flury, Markus.
Funding Information
FG07-02ER62882
EMSP 86814
View MARC record | catkey: 14135947