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Research Article | Open Access

Magnetic Wood-based Superhydrophobic Aerogel for Efficient Oil-Water Separation

Junqing Chen, Zede Yi, Shiyu Fu( )
State Key Laboratory of Pulp and Paper Engineering, South China University of Technology, Guangzhou, Guangdong Province, 510640, China
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Abstract

The fabrication of directionally driven oil-water separation materials has great significance for the removal of oil spills and organic pollutants. In this study, an oil-water separation aerogel capable of directionally adsorbing oil was designed using an anisotropic wood aerogel with a layered structure and a top-down fabrication strategy. Specifically, a magnetic wood-based superhydrophobic aerogel (methyltrimethoxysilane (MTMS)/Fe3O4 wood aerogel) was developed through the in situ co-precipitation of Fe3O4 nanoparticles and chemical vapor deposition. Owing to its highly porous structure, lipophilicity, hydrophobicity (water contact angle of 160°), and high compressibility, the MTMS/Fe3O4 wood aerogel exhibits excellent oil-water separation performance and compression cycle stability. Additionally, the Fe3O4 endows the material with excellent magnetic and photothermal conversion capabilities. These excellent properties make MTMS/Fe3O4 wood aerogel a promising recyclable and sustainable oil-water separation material.

Keywords

superhydrophobicphotothermal conversionoil-water separationmagneticwood aerogel

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Paper and Biomaterials
Volume 7 Issue 2,
April 2022
Pages 56-66
DOI: 10.1213/j.issn.2096-2355.2022.02.007
Cite this article:
Chen J, Yi Z, Fu S. Magnetic Wood-based Superhydrophobic Aerogel for Efficient Oil-Water Separation. Paper and Biomaterials, 2022, 7(2): 56-66. https://doi.org/10.1213/j.issn.2096-2355.2022.02.007

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Received: 03 February 2022
Accepted: 28 March 2022
Published: 25 April 2022
© 2022 Paper and Biomaterials

This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/)
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