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<p>To enable continuous measurement of radon exhalation rates on medium surfaces in high background environments, this study proposes an efficient radon reduction method in the accumulation chamber, based on the activated carbon purification method. This study derives an efficient radon reduction model and a calculation formula for the required mass of activated carbon for the proposed method. The applicability and accuracy of the model and the formula are verified using radon concentration data obtained from continuous radon reduction experiments. And the experimental results demonstrate that this method can stably and effectively continuously reduce the radon concentration in the accumulation chamber.</p>

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Efficient radon reduction method in the accumulation chamber for closed-loop continuous measurement of radon exhalation rate in high background environments

  • 期刊论文

  • 发表日期：

    2025年4月28日

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  • Jiankai Wang,
  • Jie Wang,
  • Shaokui Liu,
  • Penghao Fan,
  • Ze Lin,
  • Shaohua Hu,
  • Xuecheng Wang,
  • Xiangyuan Deng,
  • Qingzhi Zhou

摘要

To enable continuous measurement of radon exhalation rates on medium surfaces in high background environments, this study proposes an efficient radon reduction method in the accumulation chamber, based on the activated carbon purification method. This study derives an efficient radon reduction model and a calculation formula for the required mass of activated carbon for the proposed method. The applicability and accuracy of the model and the formula are verified using radon concentration data obtained from continuous radon reduction experiments. And the experimental results demonstrate that this method can stably and effectively continuously reduce the radon concentration in the accumulation chamber.