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J Radiat Prot > Volume 29(1); 2004 > Article
Journal of Radiation Protection 2004;29(1):1-0.
Diphosil 이온교환수지에 의한 $^{137}Cs,;^{60}Co$의 이온교환 거동
Ion Exchange Behavior of $^{137}Cs,;^{60}Co$ on Diphosil, a new ion exchange resin
Kim, Su-Jeong;Lee, Sang-Jin;Yang, Ho-Yeon;Shin, Sang-Woon;
Diphosil, a new version of the organic-inorganic composite resin developed by ANL has a structure of the chelating diphosphonic acid groups grafted to a silica support. To apply Diphosil for the treatment of liquid radioactive waste from nuclear power plants, the adsorption equilibrium and column experiments were carried out for the main radionuclides, $^{137}Cs;and;^{60}Co$, in the liquid radwaste stream. Through the adsorption equilibrium experiments, the removal efficiencies of $^{137}Cs;and;^{60}Co$, and the effects of non-radioactive ions on the removal efficiency have been measured in various conditions using radiotracers. The breakthrough curves for the tested tracers were obtained from the laboratory scale column tests using the simulated liquid radioactive waste. In addition, the removal capacity of Diphosil is compared with that of Amberlite IRN 77 resin, generally used in nuclear power plants.
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