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A study on the pelletization and solidification of Cs-contaminated soil after soil washing

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Abstract

Radioactive substances released as nuclear power plant accident can contaminate soil in a wide area. Soil washing is used as decontamination technique for Cs-contaminated soil, which exhibits short processing time and maximization of Cs removal rate by applying flocculating agents. However, soil washing generates secondary waste in the form of sludge/slurry. In this context, proposed a method of pelletization and solidification of powdered waste to facilitate treatment/disposal of the Cs-contaminated fine soil (secondary waste). In addition, by characterizing the prepared waste form, it was examined whether waste form satisfies Waste Acceptance Criteria for disposal facilities in South Korea.

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Acknowledgements

This work was supported by the National Research Foundation of Korea (NRF) and financially supported by a grant funded by the Korean government (MEST) (No. 2018M2B2B1065636). This study was supported by the Korea Institute of Energy Technology Evaluation and Planning (KETEP) and the Ministry of Trade, Industry & Energy (MOTIE) of the Republic of Korea (Grant No. 20214000000070).

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Correspondence to Sun-Il Kim.

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An, JY., Yang, KT., Lee, MH. et al. A study on the pelletization and solidification of Cs-contaminated soil after soil washing. J Radioanal Nucl Chem 332, 2953–2962 (2023). https://doi.org/10.1007/s10967-023-08970-w

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