Performance evaluation and disinfection effect of high-power electron accelerators

Liu Yanqin; Huang Bangdou; Sha Sishuo; Qin Huaili; Song Biying; Zhou Jia; Ren Zhe; Shao Tao

doi:10.11884/HPLPB202537.240388

Volume 37 Issue 4

Mar. 2025

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Article Navigation > High Power Laser and Particle Beams > 2025 > 37(4): 044010

Liu Yanqin, Huang Bangdou, Sha Sishuo, et al. Performance evaluation and disinfection effect of high-power electron accelerators[J]. High Power Laser and Particle Beams, 2025, 37: 044010. doi: 10.11884/HPLPB202537.240388

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Liu Yanqin, Huang Bangdou, Sha Sishuo, et al. Performance evaluation and disinfection effect of high-power electron accelerators[J]. High Power Laser and Particle Beams, 2025, 37: 044010. doi: 10.11884/HPLPB202537.240388

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Performance evaluation and disinfection effect of high-power electron accelerators

doi: 10.11884/HPLPB202537.240388

Liu Yanqin^{1, 5},
Huang Bangdou^{2
,
,},
Sha Sishuo³,
Qin Huaili¹,
Song Biying^{3, 6},
Zhou Jia^{3, 6},
Ren Zhe^{3
,
,},
Shao Tao^{2, 4}

1.
Nuctech Technology Co., Ltd., Beijing 100085, China
2.
Beijing International S & T Cooperation Base for Plasma Science and Energy Conversion, Institute of Electrical Engineering, Chinese Academy of Sciences, Beijing 100190, China
3.
PLA Center for Disease Control and Prevention, Beijing 100071, China
4.
University of Chinese Academy of Sciences, Beijing 100049, China
5.
Tongwei Xinda Technology (Beijing) Co., Ltd., Beijing 100085, China
6.
China Medical University, Shenyang 110122, China

Received Date: 2024-11-11
Accepted Date: 2025-02-14
Rev Recd Date: 2025-02-14

Available Online: 2025-03-31

Publish Date: 2025-04-15

Abstract

Abstract

To observe whether the high-power electron accelerator achieves the design index performance and disinfection effect, the performance of the high-power electron accelerator using the methods and procedures specified in the standard was tested and evaluated, and the inactivation effect of the electron beam output from the electron accelerator on microorganisms such as Staphylococcus aureus, Escherichia coli, Bacillus cereus, coronavirus, was explored. At the same time, examined how different material loads affected the inactivation efficiency. The high-power electron accelerator, can output a high-energy electron beam with an energy of 10.27 MeV and a power of 25 kW and it was found to have a certain level of penetration capability for surrogate materials. The electron beam achieves a disinfection effect of 3 log reductions or higher against microorganisms such as Staphylococcus aureus, Escherichia coli, Bacillus cereus, and coronaviruses. After penetrating a certain thickness of load material, the electron beam can still achieve a disinfection effect of 3 log reductions or higher against Staphylococcus aureus, Escherichia coli, Bacillus cereus, and Bacillus subtilis (black variant) spores. The designed electron accelerator meets the performance specifications and has a certain level of penetration capacity, effectively achieving the required disinfection effect against the studied microorganisms.
- electron accelerator,
- irradiation,
- disinfection,
- microbe,
- biosafety

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References(20)

References

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