Abstract
A systematic investigation of the transport of 125I in compacted GMZ bentonite containing Fe-Oxides, Fe-minerals or Cu2O additive was carried out by through-diffusion method. The obtained results indicate that all of the additives have positive effects on retarding the 125I diffusion in compacted GMZ bentonite. Especially for the Cu2O additive, the corresponding effective diffusion coefficient is greatly reduced. It is mainly attributed to the particular interactions between the metal ions introduced by additives and iodide ions.
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The authors gratefully acknowledge the financial support by National Natural Science Foundation of China (Grant No. 11275147 and Grant No. 21207035), Program for Changjiang Scholars and Innovative Research Team in University (No: IRT1280) and the Fundamental Research Funds for the Central Universities.
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Zhao, Y., Fu, B., Wu, T. et al. Transport of 125I in compacted GMZ bentonite containing Fe-oxides, Fe-minerals or Cu2O. J Radioanal Nucl Chem 308, 539–544 (2016). https://doi.org/10.1007/s10967-015-4430-9
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DOI: https://doi.org/10.1007/s10967-015-4430-9