Author(s)

Wang Ji ¹, Xiliang Guo ¹

Affiliation(s)

¹ Institute of Three Wastes Treatment, China Institute for Radiation Protection, Xuefu Street, Taiyuan City, Shanxi Province, China

Corresponding Author

Wang Ji

ABSTRACT

Radioactive spent resin is a key low and intermediate level organic solid radioactive waste from nuclear facilities. Wet oxidation serves as an important approach for its efficient degradation, and the solidification of its oxidation residue has become a core issue for the engineering application of this technology. This paper reviews the technical principle, advantages and research progress of wet oxidation for radioactive spent resin at home and abroad. Relevant domestic engineering prototypes have achieved a resin degradation rate of over 99%, laying a foundation for industrial application. Meanwhile, the characteristics of four solidification technologies for radioactive liquid waste (cement, glass, asphalt and plastic solidification) are analyzed and compared. It is clarified that cement solidification is the optimal engineering solution for treating wet oxidation residue of spent resin due to its remarkable advantages in economy, process, safety and application scope. Aiming at the lack of systematic research on cement solidification of oxidation residue, this study verifies the feasibility of the wet oxidation + cement solidification technology combination, providing technical support and reference for the whole-process treatment of radioactive spent resin and the engineering application of low and intermediate level radioactive waste treatment technologies.

KEYWORDS

Radioactive spent resin, Wet oxidation, Oxidation residue, Ement solidification

CITE THIS PAPER

Wang Ji, Xiliang Guo. Research Status of Wet Oxidation of Spent Resin and Cement Solidification of Oxidation Residue. Environment, Resource and Ecology Journal (2026). Vol. 10, No.1, 16-27. DOI: http://dx.doi.org/10.23977/erej.2026.100103.

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