Due to the tragic disaster that happened in Japan and crippled the Fukushima nuclear power plant, serious concerns have been raised regarding the contamination of drinking water as a result of the radioactive materials that were released. Even though the quantities of radioactive material in rain were relatively low, people were concerned about the drinking water. Therefore, there is a need to know the removal efficiency of the unit process of water treatment and to prepare a safety plan to protect the public's health from radioactive materials. In this study, the laboratory scale removal rates were estimated for the coagulation/flocculation, adsorption, and ion exchange processes. The reference standard materials which are stable elements, Cesium-133 (Cs-133) and Iodine-127 (I-127), were used for the typical and advanced water treatment processes at the laboratory scale. For the coagulation/flocculation process, three major coagulants were assessed for this process. However, the removal rates of this process were low. For the adsorption process, powdered activated carbon and zeolites were investigated. The powdered activated carbon showed insignificant removal rates for both reference materials. However, synthetic zeolite was an effective process for Cs-133, and the ion exchange method showed high removal rates for both Cs-133 and I-127.
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Research Article|
September 14 2013
Removal characterization of 133Cs and 127I in a water treatment process using a laboratory scale experiment Available to Purchase
Hee Suk Lee;
1Water Analysis and Research Center, K-water, 560 Sintanjin-ro, Daedeok-gu, Daejeon, Korea
E-mail: [email protected]
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Jeongyup Lee;
Jeongyup Lee
1Water Analysis and Research Center, K-water, 560 Sintanjin-ro, Daedeok-gu, Daejeon, Korea
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Byengsuk Yoon;
Byengsuk Yoon
1Water Analysis and Research Center, K-water, 560 Sintanjin-ro, Daedeok-gu, Daejeon, Korea
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Youjin Yim;
Youjin Yim
1Water Analysis and Research Center, K-water, 560 Sintanjin-ro, Daedeok-gu, Daejeon, Korea
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Ilhwan Choi;
Ilhwan Choi
1Water Analysis and Research Center, K-water, 560 Sintanjin-ro, Daedeok-gu, Daejeon, Korea
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Hyukjin Cho;
Hyukjin Cho
2Water Supply Operations and Maintenance Dept, K-water, 560 Sintanjin-ro, Daedeok-gu, Daejeon, Korea
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Songhee Lee;
Songhee Lee
1Water Analysis and Research Center, K-water, 560 Sintanjin-ro, Daedeok-gu, Daejeon, Korea
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Kyounghee Baik;
Kyounghee Baik
1Water Analysis and Research Center, K-water, 560 Sintanjin-ro, Daedeok-gu, Daejeon, Korea
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Ju Hyeon Park;
Ju Hyeon Park
3National Institute of Environmental Research, Environmental Research Complex, Kyungseo-Dong, Seo-Gu, Incheon, Korea
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Yu Jeong Huh
Yu Jeong Huh
3National Institute of Environmental Research, Environmental Research Complex, Kyungseo-Dong, Seo-Gu, Incheon, Korea
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Water Supply (2013) 13 (5): 1289–1294.
Article history
Received:
November 10 2012
Accepted:
February 21 2013
Citation
Hee Suk Lee, Jeongyup Lee, Byengsuk Yoon, Youjin Yim, Ilhwan Choi, Hyukjin Cho, Songhee Lee, Kyounghee Baik, Ju Hyeon Park, Yu Jeong Huh; Removal characterization of 133Cs and 127I in a water treatment process using a laboratory scale experiment. Water Supply 1 September 2013; 13 (5): 1289–1294. doi: https://doi.org/10.2166/ws.2013.142
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