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월성 원전발생 폐수지로부터 제거된 $^{14}C$ 핵종의 인산용액을 이용한 $^{14}CO_2$로의 기체화 특성
양효연,원장식,최영구,박근일,김인태,김광욱,송기찬,박환서,Yang, Ho-Yeon,Won, Jang-Sik,Choi, Young-Ku,Park, Geun-Il,Kim, In-Tae,Kim, Kwang-Wook,Song, Kee-Chan,Park, Hwan-Seo 한국방사성폐기물학회 2006 방사성폐기물학회지 Vol.4 No.4
Removal characteristics of $H^{14}CO_3$ ion from IRN-150 mixed resin contaminated with $^{14}C$ radionuclide and a gasification behavior of $^{14}C$ radionuclide to $^{14}CO_2$ were investigated. The stripping solutions used for the removal of $^{14}C$ from spent resin were $NaNO_3,\;Na_3PO_4,\;NH_4H_2PO_4,\;H_3PO_4$. The influence of stripping solution concentration on the desorption characteristics of inactive $HCO_3$ ion into stripping solution from IRN-150 mixed resin and the gasification of this ion to $CO_2$ was analyzed. The gasification behavior to $CO_2$ by using NaOH, $HNO_3$, HCl was also compared to that of phosphate solution. Real spent resin stored in Wolsung nuclear power plant was used to evaluate the gasification characteristics of $^{14}C$ radionuclide to $^{14}CO_2$. Gamma radionuclides such as $^{137}Cs,\;^{60}Co$ in residual striping solutions after desorption experiment were analyzed.