Sorption behavior of Am(III) onto granite |
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| Authors: | A Kitamura T Yamamoto S Nishikawa H Moriyama |
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| Institution: | (1) Department of Nuclear Engineering, Faculty of Engineering, Osaka University, 2-1, Yamadaoka, 565-0871 Suita, Osaka, Japan;(2) Research Reactor Institute, Kyoto University, Noda, Kumatori-cho, 590-0494 Sennan-gun, Osaka, Japan |
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| Abstract: | Sorption behavior of Am(III) onto granite was investigated. The distribution coefficient (K
d
) of Am(III) onto granite was determined in the solution of which pH was ranged from 2.9 to 11.4 and ionic strength was set
at 10−2 and 10−1. TheK
d
values were found to increase with increasing pH and with decreasing ionic strength. The obtained data were successfully
analyzed by applying an electrical double layer model. The optimum parameter values of the double layer electrostatics and
adsorption reactions were obtained, and the selective adsorption behavior of Am(III) onto the granite was discussed. |
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| Keywords: | |
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