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Construction of a low-temperature activated carbon radon adsorption system using air cooler

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Abstract

Underground low-background laboratories have a very large demand for radon reduction in their working environments. Therefore, in this paper, we have constructed a system for low-temperature activated carbon adsorption of radon by using air cooler and measured the dynamic adsorption coefficients of activated carbon on radon at room temperature and at a low temperature below − 50 °C. The experimental results show that the activated carbon dynamic adsorption coefficient reaches 688.79 L/g at a temperature of − 63.35 °C and a pressure of 3.5 atmospheres, which is more than 70 times higher than that at room temperature. During the experiments, problems of effective regulation were identified that need to be further addressed.

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Acknowledgements

This work is supported by Beijing Natural Science Foundation (Grant No. 1202024), 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, No.28, Changshengxi Road, Zhengxiang District, Hengyang, China

    Chuang Li, Quan Tang, Xu Feng, Shoukang Qiu, Changgen Yang, Cong Guo, Tingyu Guan & Chi Li

  2. Experimental Physics Division, Institute of High Energy Physics, Chinese Academy of Science, Shijingshan District, No.19b, Yuquan Road, Beijing, China

    Quan Tang

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  1. Chuang Li
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  2. Quan Tang
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  3. Xu Feng
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  4. Shoukang Qiu
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  5. Changgen Yang
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  6. Cong Guo
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  7. Tingyu Guan
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  8. Chi Li
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Correspondence to Quan Tang or Xu Feng.

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Li, C., Tang, Q., Feng, X. et al. Construction of a low-temperature activated carbon radon adsorption system using air cooler. J Radioanal Nucl Chem 331, 1839–1845 (2022). https://doi.org/10.1007/s10967-022-08270-9

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  • DOI: https://doi.org/10.1007/s10967-022-08270-9

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