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Preparation of 3D ethylcellulose-based electret fiber aerogel for simulated radioactive aerosol purification

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Abstract

Electret fiber filtration materials prepared by electrostatic spinning and corona polarization have drawn significant interest in treating radioactive aerosols. In this study, a three-dimensional biomass-based electret nanofiber aerogel material with high dust capacity, high filtration efficiency and low-pressure drop was created by pore structure regulation. The results showed that aerogels with good charge capture and storage ability were obtained by regulating the concentration of tert-butanol and ethylcellulose fiber suspension, and the pre-freezing temperature. The initial surface potential and stable surface potential increased from 0.85 and 0.05 kV to 1.37 and 0.15 kV respectively. Furthermore, the purification time was reduced from 44 to 15 min.

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Acknowledgements

The authors thank the financial support from State Key Laboratory of NBC Protection for Civilian, China (SKLNBC2021-21), and Engineering Research Center of Biomass Materials, Ministry of Education.

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Authors and Affiliations

  1. State Key Laboratory of NBC Protection for Civilian, Beijing, 102205, China

    Man Yang & Zhanguo Li

  2. School of Materials Science and Engineering, Southwest University of Science and Technology, Mianyang, 621010, Sichuan, China

    Man Yang, Chunxia Pang, Xiaoyan Lin & Yaping Zhang

  3. School of Environment and Resources, Southwest University of Science and Technology, Mianyang, 621010, Sichuan, China

    Sijie Lei

  4. Engineering Research Center of Biomass Materials, Ministry of Education, Southwest University of Science and Technology, Mianyang, 621010, Sichuan, China

    Man Yang, Chunxia Pang, Xiaoyan Lin & Yaping Zhang

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  1. Man Yang
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  3. Sijie Lei
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  4. Xiaoyan Lin
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Contributions

MY: Conceptualization, Methodology, Investigation, Formal analysis, Data curation, Writing-original draft, Writing-review and editing. CP: Review and editing. SL: Investigation and Validation. XL: Writing-review and editing. YZ: Writing-review, Funding acquisition and Project administration. ZL: Supervision, Funding acquisition, Conceptualization.

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Correspondence to Yaping Zhang or Zhanguo Li.

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Yang, M., Pang, C., Lei, S. et al. Preparation of 3D ethylcellulose-based electret fiber aerogel for simulated radioactive aerosol purification. J Radioanal Nucl Chem 333, 481–493 (2024). https://doi.org/10.1007/s10967-023-09227-2

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