Issue |
E3S Web Conf.
Volume 603, 2025
International Symposium on Green and Sustainable Technology (ISGST 2024)
|
|
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Article Number | 01005 | |
Number of page(s) | 7 | |
Section | Environmental Technology | |
DOI | https://doi.org/10.1051/e3sconf/202560301005 | |
Published online | 15 January 2025 |
Superhydrophobic carbon papers for electrostatic water collection from fog
School of New Energy and Intelligent Connected Vehicle, University of Sanya, Hainan, 572000, China
* Corresponding author: qiongdanxie@sanyau.edu.cn
Fog collection presents a promising solution to water scarcity in arid regions. Typically, hydrophilic surfaces are used for this purpose. This study demonstrates that electrically conductive PTFE-coated superhydrophobic carbon papers are highly effective for electrostatic fog collection. The wettability of the carbon paper has minimal impact on collection efficiency. Despite the superhydrophobic nature of the carbon papers causing condensed fog particles to aggregate into spherical droplets, this aggregation has little effect on collection performance. Additionally, the efficiency of fog collection is independent of charge type; both negative and positive high voltages yield similar results. The fog collection efficiency is directly correlated with electrostatic air current, though the relationship is nonlinear: efficiency initially increases sharply with current before leveling off.
© The Authors, published by EDP Sciences, 2025
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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