Abstract
For the first time in laboratory, the diffusion behavior of Se(IV) in Tamusu clayrock core was studied by means of through-diffusion method. The effects of pH, ionic strength and humic acid on the diffusion behavior of Se(IV) in clayrock were studied. The effective diffusion coefficient, distribution coefficient and rock capacity factor value were obtained. The diffusion mechanism of radionuclide in Tamusu clayrock is discussed, which can provide experimental data support and theoretical references for the pre-selection of clayrock sites and safety assessment in China’s high-level radioactive waste deep geological repository.
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This research was supported by grants from National Natural Science Foundation of China (Grant No.21761002).
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Sun, Y., Zhang, H., Lee, CP. et al. Diffusion behavior of Se(IV) in Tamusu clayrock core by through-diffusion method. J Radioanal Nucl Chem 329, 149–158 (2021). https://doi.org/10.1007/s10967-021-07780-2
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DOI: https://doi.org/10.1007/s10967-021-07780-2