减少核电站放射性废树脂产生量控制的研究和实践

Abstract

Abstract: Based on the characteristics of resin beds in various process systems of nuclear power plants, this article studies the effects of nuclear grade resin kinetic performance, oxidation stability, and exchange channels on the operational life of resin beds. It is concluded that the kinetic performance has a significant impact on the utilization rate of resin used to regulate the concentration of additives in process systems; The degradation of resin is manifested by the fracture of the skeleton and the detachment of exchange groups. The higher the crosslinking degree, the better the stability of the resin; The use of macroporous resin is beneficial for improving the purification factor of radioactive nuclei and the failure rate of the resin. Through the analysis of failure mechanisms and the summary of operational practices, the problems in the use of nuclear grade resins were explored and countermeasures were proposed.

Key words: nuclear resin, minimization of radioactive waste, crosslinking structure internal pores, lose efficacy

CLC Number:

TL941

GE Jian'an, SHEN Xiaohui, SHEN Zhaogen, ZENG Jinzhong, LU Liyan. Research and practice of reducing radioactive waste resins in nuclear power plants[J].RADIATION PROTECTION, 2025, 45(4): 371-378.

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Research and practice of reducing radioactive waste resins in nuclear power plants

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