Research on Impurity Regulation and Purification Technology of Liquid Lead-based Metal Coolant

Tang Hairong; Li Ying; Lou Ruifan; Yue Nina; Wang Suhao; Wang Sheng

doi:10.13832/j.jnpe.2024.S2.0274

Volume 45 Issue S2

Jan. 2025

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Tang Hairong, Li Ying, Lou Ruifan, Yue Nina, Wang Suhao, Wang Sheng. Research on Impurity Regulation and Purification Technology of Liquid Lead-based Metal Coolant[J]. Nuclear Power Engineering, 2024, 45(S2): 274-278. doi: 10.13832/j.jnpe.2024.S2.0274

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Tang Hairong, Li Ying, Lou Ruifan, Yue Nina, Wang Suhao, Wang Sheng. Research on Impurity Regulation and Purification Technology of Liquid Lead-based Metal Coolant[J]. Nuclear Power Engineering, 2024, 45(S2): 274-278. doi: 10.13832/j.jnpe.2024.S2.0274

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Research on Impurity Regulation and Purification Technology of Liquid Lead-based Metal Coolant

doi: 10.13832/j.jnpe.2024.S2.0274

CNNC Key Laboratory on Nuclear Reactor Thermal Hydraulics Technology, Nuclear Power Institution of China, Chengdu, 610213, China

Received Date: 2024-06-21
Rev Recd Date: 2024-09-21
Publish Date: 2025-01-06

Abstract

Abstract

Liquid lead-based metal is the mainstream candidate working fluid for the international fourth generation fast reactors and accelerator-driven subcritical systems. However, the liquid lead-based coolant has problems during the long-term operation in the non-isothermal system, such as continuous generation of impurities, large accumulation, difficulty to avoid and to deal with, which will lead to deposition and scaling, deterioration of heat transfer, and even blockage of the flow, causing significant safety risks. Therefore, the purification and regulation of impurities in lead-based liquid metal coolant is a key technology to be broken through in the design and development of lead-cooled fast reactor. This paper mainly introduces the source and occurrence form of impurities in lead-based coolant, and the research status of purification technology. The advantages and limitations of inhibition generation method, filtration capture method and reduction method are summarized. Finally, the selection and challenges of impurity purification strategies for lead-cooled reactor systems with different specifications and forms are discussed.
- Liquid lead-based coolant,
- Lead-based fast reactor,
- Impurities,
- Control purification

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References(18)

References

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