Multi-component ion exchange kinetics with PAN-KCoFC composite ion exchanger |
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| Authors: | Jei-Kwon Moon Eil-Hee Lee Yoon-Ju Han Byung-Chul Lee Hyung-Tae Kim |
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| Affiliation: | (1) Korea Atomic Energy Research Institute, Hannam University, 306-010 Daejeon, Korea;(2) Dept. of Chemical Engineering, Hannam University, 306-010 Daejeon, Korea;(3) Korean Research Institute of Chemical Technology, 305-761 Daejeon, Korea |
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| Abstract: | An ion exchange kinetic study was performed using PAN-KCoFC for removal of cesium ion from mixed solution of Cs, Sr, Ni and
Ba ions. Uptake curves were obtained for a multi-component ion exchange system as well as binary system. A PAN-KCoFC composite
ion exchanger showed higher selectivity for Cs ion over the Sr, Ba, Ni ions. A homogeneous model could predict accurately
the uptake curve for both the binary and multi-component systems. Solid phase effective pore diffusivities obtained by modeling
ranged between 10−5 cm2/min and 10−6 cm2/min. |
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| Keywords: | Composite Ion Exchanger Ion Exchange Kinetics Cesium Ion Radionuclides PAN KCoFC |
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