Sulfate radical-based advanced oxidation processes for water decontamination using biomass-derived carbon as catalysts
Date
2022
Authors
Tian, W.
Chen, S.
Zhang, H.
Wang, H.
Wang, S.
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Journal article
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Current Opinion in Chemical Engineering, 2022; 37
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Wenjie Tian, Si Chen, Huayang Zhang, Hao Wang, and Shaobin Wang
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Abstract
This review highlights the advances of sulfate radical (SO4 •−)- based advanced oxidation processes (SR-AOPs) in water remediation using waste biomass-derived carbon materials as heterogeneous catalysts. After giving a brief overview of SRAOPs and biomass-derived carbon materials, we showcase various formation pathways of SO4 •− during peroxydisulfate (S2O8 2−) or peroxymonosulfate (HSO5 − ) activation by various catalytic sites on carbons. The influences of water constituents or parameters and mechanism for SO4 •− to react with organics are also summarized. We then outline challenges and future research directions to make waste biomass-derived carbon as a mainstream catalyst in SR-AOPs for industrial wastewater and water treatment.
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© 2022 Elsevier Ltd. All rights reserved.