The experiment for removing cesium and cobalt from the contaminated soil around the TRIGA reactor in Korea using the electrokinetic method were conducted. To increase removal efficiency by the electrokinetic method, a device to restrain the pH increase in the soil column was suggested. An acetate buffer solution (CH3COONa+CH3COOH) was injected into the soil column and acetic acid periodically was injected into the cathode reservoir to restrain any pH increase. Many 137Cs and 60Co were transferred by electromigration rather than electroomosis during the intial remediation period, and no precipitate was formed in the soil column. 25% of cesium radioactivity in the soil column was removed after 10 days, while 94% of cobalt radioactivity was removed. Furthermore, the remaining radioactive concentrations predicted by the developed numerical model were similar to those obtained by experiment.
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ASME 2003 9th International Conference on Radioactive Waste Management and Environmental Remediation
September 21–25, 2003
Oxford, England
Conference Sponsors:
- Nuclear Engineering Division and Environmental Engineering Division
ISBN:
0-7918-3732-7
PROCEEDINGS PAPER
TRIGA Soil Decontamination by Electrokinetic Method Available to Purchase
Gye-Nam Kim,
Gye-Nam Kim
Korea Atomic Energy Research Institute, Daejeon, South Korea
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Won-Zin Oh,
Won-Zin Oh
Korea Atomic Energy Research Institute, Daejeon, South Korea
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Hui-Jun Won,
Hui-Jun Won
Korea Atomic Energy Research Institute, Daejeon, South Korea
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Min-Gil Kim
Min-Gil Kim
Korea Atomic Energy Research Institute, Daejeon, South Korea
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Gye-Nam Kim
Korea Atomic Energy Research Institute, Daejeon, South Korea
Won-Zin Oh
Korea Atomic Energy Research Institute, Daejeon, South Korea
Hui-Jun Won
Korea Atomic Energy Research Institute, Daejeon, South Korea
Min-Gil Kim
Korea Atomic Energy Research Institute, Daejeon, South Korea
Paper No:
ICEM2003-4711, pp. 1491-1497; 7 pages
Published Online:
February 24, 2009
Citation
Kim, G, Oh, W, Won, H, & Kim, M. "TRIGA Soil Decontamination by Electrokinetic Method." Proceedings of the ASME 2003 9th International Conference on Radioactive Waste Management and Environmental Remediation. 9th ASME International Conference on Radioactive Waste Management and Environmental Remediation: Volumes 1, 2, and 3. Oxford, England. September 21–25, 2003. pp. 1491-1497. ASME. https://doi.org/10.1115/ICEM2003-4711
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