Decontamination of radioactive cesium in soil

被引：0
|
作者：
M. Yanaga
A. Oishi
机构：
[1] Shizuoka University,Department of Chemistry, Graduate School of Science
[2] Shizuoka University,Radioscience Research Laboratory, Faculty of Science
来源：
Journal of Radioanalytical and Nuclear Chemistry | 2015年 / 303卷
关键词：
Decontamination; Radioactive cesium; Nuclear power plant accident; Soil;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Agricultural soil containing radioactive cesium was decontaminated using an extraction method involving aqueous potassium solutions. Results demonstrated that the potassium solution could extract radioactive cesium from soil artificially contaminated with 137Cs, although extraction rate decreased as time after contamination increased. However, visual examination of radioactivity distribution in soil samples significantly contaminated by the accident at the Fukushima Daiichi nuclear power plant showed that radioactive cesium also existed as insoluble particles. Therefore, reducing the volume of radioactive wastes generated from soil decontamination requires a physical decontamination method combined with chemical treatment.
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页码：1301 / 1304
页数：3
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