Review on Cement Solidification Treatment and Disposal Techniques of Mixed Wastes from Pb-Containing Heavy Metal Radioactive Concentrate

doi:10.16552/j.cnki.issn1001-1625.2025.0404

Abstract

Abstract: The safe treatment and disposal of nuclear waste is the core to ensure the secure recycling of nuclear energy. As the fourth-generation advanced reactor, the lead-cooled fast reactor (LFR) has become a research hotspot in the world due to its excellent safety and economy. However, for the new mixed radioactive waste of Pb-containing heavy metal radioactive concentrate generated by LFR, there are still some problems such as insufficient research on treatment technology and unclear disposal standards. Based on the cement solidification technology, this paper expounds and summarizes its fundamental principles, historical development, and research progress in the field of radioactive concentrates and Pb-containing heavy metal wastes treatment. Furthermore, based on the current research results, the key problems and development trends of cement solidification technology in the treatment and disposal of Pb-containing radioactive concentrate are deeply analyzed, aiming to provide ideas for the research and development of the cement solidification treatment and disposal technology of mixed waste from LFR.

Key words: heavy metal, radioactive concentrate, mixed waste, cement solidification, treatment and disposal

CLC Number:

TL941⁺.11

TAN Xiao, ZHOU Dongsheng, WANG Dong, YANG Wu, ZHOU Jiang, LIU Chunyu. Review on Cement Solidification Treatment and Disposal Techniques of Mixed Wastes from Pb-Containing Heavy Metal Radioactive Concentrate[J]. BULLETIN OF THE CHINESE CERAMIC SOCIETY, 2025, 44(10): 3665-3675.

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