Sorption of iodine on Beishan granite: effect of speciation and humic acid |
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| Authors: | Yaxiong Zou Tao Chen Gaocai Yuan Kui Zhang |
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| Affiliation: | 1.School of Nuclear Science and Engineering,North China Electric Power University,Beijing,China |
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| Abstract: | Sorption of iodine on Beishan granite was studied by batch method. Great difference exists in the sorption behaviors of I? and IO3?. Under acidic condition, the sorption of IO3? improves dramatically, and IO3? could partly convert to I?. However, the sorption of I? is close to zero at all studied pH. Humic acid can slight improve the sorption of IO3?, but greatly improve the sorption of I? in acidic condition. The postulated sorption mechanisms of IO3? are electrical interaction and followed by reduction. |
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