The DOI matches its Crossref record; 42 of the 42 references it cites were found in a registry or an index.
Improving PMS oxidation of organic pollutants by single cobalt atom catalyst through hybrid radical and non-radical pathways
Abstract
Abstract Highly efficient single-atom catalysts attracted much research interest recently. Here we investigated the mechanism and application potential of a single cobalt atom catalyst (Co-N-C) in improving peroxymonosulfate (PMS) oxidation of several organic pollutants. With low cobalt content (0.45 at%), the Co-N-C was more active than Co3O4 for catalytic oxidation, and the PMS/Co-N-C oxidation achieved high pollutant removal rates over 60 h’ continuous flow reaction. Degradation of the selected pollutants followed distinct radical and non-radical pathways. Radical reaction dominated for the degradation of benzotriazole and diatrizoate ; in comparision, non-radical oxidation was also significant during the degradation of 5-benzoyl-4-hydroxy-2-ethoxybenzenesulfonic acid and 2,4-dichlorophenol (2,4-DCP). The PMS/Co-N-C utilized more PMS oxidation capacity than PMS/Co2+ (100% vs. 86%) for the degradation of 2,4-DCP. The non-radical oxidation cannot be ascribed to singlet oxygen which has been frequently reported. The hybrid reaction pathways will make this PMS/Co-N-C oxidation process promising in removing complex water pollutants.
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Self-citationMetal-Free Carbocatalysis in Advanced Oxidation Reactions
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Cited by
Single-Atom Catalysts across the Periodic Table
Kaiser, S. K., Chen, Z., Faust Akl, D., Mitchell, S., & Pérez-Ramírez, J. (2020) · Chemical Reviews · doi:10.1021/acs.chemrev.0c00576 · Cited by 1,367
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Self-citationPeng, L., Duan, X., Shang, Y., Gao, B., & Xu, X. (2021) · Applied Catalysis B: Environmental · doi:10.1016/j.apcatb.2021.119963 · Cited by 485
Peng, L., Shang, Y., Gao, B., & Xu, X. (2021) · Applied Catalysis B: Environmental · doi:10.1016/j.apcatb.2020.119484 · Cited by 478
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Metadata
- Authors
- Xu, H., Jiang, N., Wang, D., Wang, L., Song, Y., Chen, Z., Ma, J., & Zhang, T.
- Venue
- Applied Catalysis B: Environmental
- Publisher
- Elsevier BV
- Published
- 2020-04
- Volume
- 263
- Pages
- 118350
- ISSN
- 0926-3373 (ISSN-L)
- OpenAlex
- W2989044656
- Cited by
- 339
- References
- 42
- FWCI
- 11.80
- Type
- journal article
- Language
- en
- Open access
- closed
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- Xu, H., Jiang, N., Wang, D., Wang, L., Song, Y., Chen, Z., Ma, J., & Zhang, T. (2020). Improving PMS oxidation of organic pollutants by single cobalt atom catalyst through hybrid radical and non-radical pathways. Applied Catalysis B: Environmental. https://doi.org/10.1016/j.apcatb.2019.118350
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