Simulation of nuclide migration in a middle- and low-level radioactive waste repository based on GMS

Wang, Litao; Cheng, Jianfeng; Bao, Chenyang; Wang, Yanhui; Jiang, Qiao; Pan, Yuelong; Liu, Yu; Hong, Tzung-Pei; Tuo, Xianguo; Leng, Yangchun

doi:10.1007/s10967-022-08260-x

Cited by 5 publications

(1 citation statement)

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“…Other secondary minerals combine and transform into a new uranium-containing phase, and the stable uranyl phosphate will inhibit the mobility of uranium and limit the spatial migration of uranium (Boekhout et al, 2015). The GMS software (Wang et al, 2022) simulated the migration of U in the groundwater system, analyzed the effect of rainfall on the uranium migration rate, and predicted the treatment effect of the tailing pond groundwater system on U.…”

Section: +mentioning

confidence: 99%

Release behavior of uranium from a uranium tailing in Jiangxi Province

Xue

Wang

Ouyang

et al. 2022

Front. Environ. Sci.

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In this study, nine soils at different depths in a decommissioned uranium tailing pond in Jiangxi Province are selected as the research objects to study their mineralogical properties and reveal the leaching law of radioactive element uranium under natural rainfall conditions. The research results are as follows: 1) The distribution characteristics of uranium are affected by the mineral composition, microscopic morphology and physical and chemical properties of uranium tailings. 2) In static leaching experiments, acidic solutions, small particles, and high solid-to-liquid ratios all promote the release of uranium. 3) In the dynamic leaching experiment, the lower the pH of simulated rainfall, the more uranium is released. According to Fick theory, the migration mechanism of uranium is mainly surface dissolution, and the release of uranium is related to the content of migratory uranium.

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Section: +mentioning

confidence: 99%