A systematic study on the Long-lived fission products (LLFPs) transmutation in a PWR has been performed, aiming to devise optimal transmutation strategy in present nuclear power plants. The LLFPs selected in the analysis include 99Tc and 129I discharged from LWRs. The isotope, 127I is also considered to avoid the difficulties in isotopes separation. To minimize the negative impacts of LLFPs on the core performance and safety parameters, technetium or MgI2 targets mixed with zirconium hydride are designed and investigated. The equilibrium cycles are investigated. The transmuted amounts of 99Tc and 129I are equals to the yields from 1.94 and 4.22 1000 MWe PWRs, respectively. Numerical results indicate that both the 99Tc and 129I can be transmuted conveniently in present PWRs in the form of target pins.
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2013 21st International Conference on Nuclear Engineering
July 29–August 2, 2013
Chengdu, China
Conference Sponsors:
- Nuclear Engineering Division
ISBN:
978-0-7918-5582-9
PROCEEDINGS PAPER
Optimization Study on LLFPs Transmutation in PWRs
Kun Liu,
Kun Liu
Xi’an Jiaotong University, Xi’an, Shaanxi, China
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Hongchun Wu,
Hongchun Wu
Xi’an Jiaotong University, Xi’an, Shaanxi, China
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Liangzhi Cao,
Liangzhi Cao
Xi’an Jiaotong University, Xi’an, Shaanxi, China
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Youqi Zheng
Youqi Zheng
Xi’an Jiaotong University, Xi’an, Shaanxi, China
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Kun Liu
Xi’an Jiaotong University, Xi’an, Shaanxi, China
Hongchun Wu
Xi’an Jiaotong University, Xi’an, Shaanxi, China
Liangzhi Cao
Xi’an Jiaotong University, Xi’an, Shaanxi, China
Youqi Zheng
Xi’an Jiaotong University, Xi’an, Shaanxi, China
Paper No:
ICONE21-15647, V005T08A007; 11 pages
Published Online:
February 7, 2014
Citation
Liu, K, Wu, H, Cao, L, & Zheng, Y. "Optimization Study on LLFPs Transmutation in PWRs." Proceedings of the 2013 21st International Conference on Nuclear Engineering. Volume 5: Fuel Cycle, Radioactive Waste Management and Decommissioning; Reactor Physics and Transport Theory; Nuclear Education, Public Acceptance and Related Issues; Instrumentation and Controls; Fusion Engineering. Chengdu, China. July 29–August 2, 2013. V005T08A007. ASME. https://doi.org/10.1115/ICONE21-15647
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