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Comparative study on sorption of individual and coupling cesium and selenium on mudrock |
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| Authors: | Chuan-Pin Lee Shih-Chin Tsai Yuan-Yaw Wei Shi-Ping Teng Chun-Nan Hsu |
| Institution: | (1) Department of Biomedical Engineering and Environmental Sciences, National Tsing Hua University, Hsinchu, 30013, Taiwan, China;(2) Nuclear Science and Technology Development Center, National Tsing Hua University, Hsinchu, 30013, Taiwan, China;(3) Department of Engineering and System Science, National Tsing Hua University, Hsinchu, 30013, Taiwan, China |
| Abstract: | This study focused on sorption mechanism of Cs and Se in mudrock by batch techniques. Batch kinetics tests have been conducted with carriers 10− 4M CsCl and SeO2 by using individual and coupling radiotracers of 137Cs and 75Se. The distribution coefficients (K d ) of Cs in synthetic groundwater (GW) and seawater (SW) showed that there is no interference between individual and coupling value (13 and 6 ml/g). Moreover, individual and coupling K d ) (80 and 40 ml/g) of Se in GW and SW are in agreement with Cs. It is quite clear that the sorption mechanisms of Cs and Se on mudrock are independent and different by using radiotracer’s technique. |
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