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Study on the radon adsorption capability of low-background activated carbon

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Abstract

Radon is a significant background source in rare event detection experiments. Activated carbon (AC) adsorption is widely used for effective radon removal. The selection of AC considers its adsorption capacity and radioactive background. In this study, using self-developed devices, we screened and identified a new kind of low-background AC from Qingdao Inaf Technology Company that has very high Radon adsorption capacity. By adjusting the average pore size to 2.3 nm, this AC demonstrates a radon adsorption capacity of 2.6 or 4.7 times higher than Saratech or Carboact activated carbon under the same conditions.

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Acknowledgements

This work is supported by the State Key Laboratory of Particle Detection and Electronics (Grant No. SKLPDE-ZZ-202304), the Youth Innovation Promotion Association of the Chinese Academy of Sciences (Grant No. 2023015), and the Yalong River Joint Fund of the National Natural Science Foundation of China and Yalong River Hydropower Development Co., LTD (Grant No. U1865208).

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Authors and Affiliations

  1. School of Nuclear Science and Technology, University of South China, 28 Changshengxi Road, Zhengxiang District, Hengyang, 421001, China

    Chi Li, Lidan Lv, Tingyu Guan, Yu Liu & Quan Tang

  2. Experimental physics division, Institute of High Energy Physics, Chinese Academy of Sciences, 19b Yuquan Road, Shijingshan District, Beijing, 100049, China

    Yongpeng Zhang, Jinchang Liu, Cong Guo & Changgen Yang

  3. School of Physics, University of Chinese Academy of Sciences, 19b Yuquan Road, Shijingshan District, Beijing, 100049, China

    Yongpeng Zhang, Jinchang Liu, Cong Guo & Changgen Yang

  4. State Key Laboratory of Particle Detection and Electronics, 19b Yuquan Road, Shijingshan District, Beijing, 100049, China

    Yongpeng Zhang, Jinchang Liu, Cong Guo & Changgen Yang

  5. School of Electronic, Electrical Engineering and Physics, Fujian University of Technology, 69 Xuefu South Road, Shangjie Town, Minhou County, Fuzhou, 350118, China

    Yu Lei

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  1. Chi Li
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  2. Yongpeng Zhang
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Correspondence to Cong Guo or Quan Tang.

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Li, C., Zhang, Y., Lv, L. et al. Study on the radon adsorption capability of low-background activated carbon. J Radioanal Nucl Chem 333, 337–346 (2024). https://doi.org/10.1007/s10967-023-09211-w

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  • DOI: https://doi.org/10.1007/s10967-023-09211-w

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