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Article

Insights into Enhanced Peroxydisulfate Activation with B and Fe Co-Doped Biochar from Bark for the Rapid Degradation of Guaiacol

by
Jian Huang
1,
Yu Zhu
1,
Huiyang Bian
2,
Liang Song
1,
Yifan Liu
1,
Yuancai Lv
1,
Xiaoxia Ye
1,
Chunxiang Lin
1,* and
Xiaojuan Li
1,*
1
College of Environment & Safety Engineering, Fuzhou University, Fuzhou 350108, China
2
Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, Nanjing Forestry University, Nanjing 210037, China
*
Authors to whom correspondence should be addressed.
Molecules 2023, 28(22), 7591; https://doi.org/10.3390/molecules28227591
Submission received: 11 October 2023 / Revised: 6 November 2023 / Accepted: 7 November 2023 / Published: 14 November 2023
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Abstract

A boron and iron co-doped biochar (B-Fe/biochar) from Masson pine bark was fabricated and used to activate peroxydisulfate (PDS) for the degradation of guaiacol (GL). The roles of the dopants and the contribution of the radical and non-radical oxidations were investigated. The results showed that the doping of boron and iron significantly improved the catalytic activity of the biochar catalyst with a GL removal efficiency of 98.30% within 30 min. The degradation of the GL mainly occurred through the generation of hydroxyl radicals (·OHs) and electron transfer on the biochar surface, and a non-radical degradation pathway dominated by direct electron transfer was proposed. Recycling the B-Fe/biochar showed low metal leaching from the catalyst and satisfactory long-term stability and reusability, providing potential insights into the use of metal and non-metal co-doped biochar catalysts for PDS activation.
Keywords: Masson pine bark; biochar; peroxydisulfate activation; B/Fe co-doping Masson pine bark; biochar; peroxydisulfate activation; B/Fe co-doping
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MDPI and ACS Style

Huang, J.; Zhu, Y.; Bian, H.; Song, L.; Liu, Y.; Lv, Y.; Ye, X.; Lin, C.; Li, X. Insights into Enhanced Peroxydisulfate Activation with B and Fe Co-Doped Biochar from Bark for the Rapid Degradation of Guaiacol. Molecules 2023, 28, 7591. https://doi.org/10.3390/molecules28227591

AMA Style

Huang J, Zhu Y, Bian H, Song L, Liu Y, Lv Y, Ye X, Lin C, Li X. Insights into Enhanced Peroxydisulfate Activation with B and Fe Co-Doped Biochar from Bark for the Rapid Degradation of Guaiacol. Molecules. 2023; 28(22):7591. https://doi.org/10.3390/molecules28227591

Chicago/Turabian Style

Huang, Jian, Yu Zhu, Huiyang Bian, Liang Song, Yifan Liu, Yuancai Lv, Xiaoxia Ye, Chunxiang Lin, and Xiaojuan Li. 2023. "Insights into Enhanced Peroxydisulfate Activation with B and Fe Co-Doped Biochar from Bark for the Rapid Degradation of Guaiacol" Molecules 28, no. 22: 7591. https://doi.org/10.3390/molecules28227591

APA Style

Huang, J., Zhu, Y., Bian, H., Song, L., Liu, Y., Lv, Y., Ye, X., Lin, C., & Li, X. (2023). Insights into Enhanced Peroxydisulfate Activation with B and Fe Co-Doped Biochar from Bark for the Rapid Degradation of Guaiacol. Molecules, 28(22), 7591. https://doi.org/10.3390/molecules28227591

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