Field-Scale Evaluation of Biological Uranium Reduction and Reoxidation in the Near-Source Zone at the NABIR Field Research Center in Oak Ridge, TN | Zendy

Craig S. Criddle | Zendy

Open Access

Field-Scale Evaluation of Biological Uranium Reduction and Reoxidation in the Near-Source Zone at the NABIR Field Research Center in Oak Ridge, TN

Author(s) -

Craig S. Criddle

Publication year - 2005

Publication title -

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

Language(s) - English

Resource type - Reports

DOI - 10.2172/893408

Subject(s) - uranium , groundwater , biostimulation , oak ridge national laboratory , environmental science , center (category theory) , ridge , field (mathematics) , geology , chemistry , materials science , geotechnical engineering , physics , metallurgy , nuclear physics , bioremediation , paleontology , mathematics , bacteria , pure mathematics , crystallography

Field tests began August 24, 2003 (Day 1). The work included an above ground treatment system to remove nitric acid, Ca and Al from groundwater and a nested well system to test uranium reduction and immobilization. We have now performed field tests of biostimulation for over 404 days, and the work continues. We have achieved the major goals of the field tests i.e. bio-reduction of U(VI) to U(IV) and immobilization of uranium in situ

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