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Persulfate non-radical activation by nano-CuO for efficient removal of chlorinated organic compounds: Reduced graphene oxide-assisted and CuO (0 0 1) facet-dependent
Abstract
Abstract Non-radical activation of persulfate by CuO to degrade chlorinated organic pollutants has been studied. Currently, reduced graphene oxide modified spindle-like CuO (CuO/rGO, no preferential exposed crystal facet) and CuO with preferential exposed crystal facet (0 0 1) (sheet-like CuO) has been prepared to improve the performance of persulfate activation. Results showed that CuO/rGO-persulfate system and sheet-like CuO-persulfate system exhibited much better 2,4,6-trichlorophenol (TCP) removal rate than spindle-like CuO-persulfate system. The formation of Cu–O–C bond between CuO and rGO enhanced the persulfate activation by CuO. On the other hand, CuO showed crystal facet effect on persulfate activation, and the crystal facet (0 0 1) of CuO (all exposed atoms were Cu) were proved to be efficient for persulfate non-radical activation, revealing that Cu atom on surface was active site for persulfate activation. Furthermore, the pollutants selective removal by CuO/rGO-persulfate system has been found. 4-chloroaniline was most easily degraded, followed by 2,4,6-trichlorophenol, 2,4-dichlorophenol and 4-chlorophenol, under acidic, neutral and weak basic condition (pH 3–9). What’s more, pollutants with benzene ring was more reactive than that with double bond of carbon in the system.
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Cites
Metal-Free Carbocatalysis in Advanced Oxidation Reactions
Duan, X., Sun, H., & Wang, S. (2018) · Accounts of Chemical Research · doi:10.1021/acs.accounts.7b00535 · Cited by 1,329
Fang, G., Liu, C., Gao, J., Dionysiou, D. D., & Zhou, D. (2015) · Environmental Science & Technology · doi:10.1021/es5061512 · Cited by 887
Insights into Heterogeneous Catalysis of Persulfate Activation on Dimensional-Structured Nanocarbons
Duan, X., Sun, H., Kang, J., Wang, Y., Indrawirawan, S., & Wang, S. (2015) · ACS Catalysis · doi:10.1021/acscatal.5b00774 · Cited by 799
Zhang, T., Chen, Y., Wang, Y., Le Roux, J., Yang, Y., & Croué, J.-P. (2014) · Environmental Science & Technology · doi:10.1021/es501218f · Cited by 798
Reduced Graphene Oxide for Catalytic Oxidation of Aqueous Organic Pollutants
Sun, H., Liu, S., Zhou, G., Ang, H. M., Tadé, M. O., & Wang, S. (2012) · ACS Applied Materials & Interfaces · doi:10.1021/am301372d · Cited by 722
Cited by
Nanocatalysts and other nanomaterials for water remediation from organic pollutants
Lu, F., & Astruc, D. (2020) · Coordination Chemistry Reviews · doi:10.1016/j.ccr.2020.213180 · Cited by 682
Oh, W.-D., & Lim, T.-T. (2019) · Chemical Engineering Journal · doi:10.1016/j.cej.2018.09.203 · Cited by 334
Sun, C., Chen, T., Huang, Q., Zhan, M., Li, X., & Yan, J. (2020) · Chemical Engineering Journal · doi:10.1016/j.cej.2019.122519 · Cited by 329
Zhao, Y., Yu, L., Song, C., Chen, Z., Meng, F., & Song, M. (2022) · Environmental Science & Technology · doi:10.1021/acs.est.2c01759 · Cited by 325
Metadata
- Authors
- Du, X., Zhang, Y., Si, F., Yao, C., Du, M., Hussain, I., Kim, H., Huang, S., Lin, Z., & Hayat, W.
- Venue
- Chemical Engineering Journal
- Publisher
- Elsevier BV
- Published
- 2019-01
- Volume
- 356
- Pages
- 178-189
- ISSN
- 1385-8947 (ISSN-L)
- OpenAlex
- W2889437232
- Cited by
- 161
- References
- 5
- FWCI
- 6.47
- Type
- journal article
- Language
- en
- Open access
- closed
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- Du, X., Zhang, Y., Si, F., Yao, C., Du, M., Hussain, I., Kim, H., Huang, S., Lin, Z., & Hayat, W. (2019). Persulfate non-radical activation by nano-CuO for efficient removal of chlorinated organic compounds: Reduced graphene oxide-assisted and CuO (0 0 1) facet-dependent. Chemical Engineering Journal. https://doi.org/10.1016/j.cej.2018.08.216
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
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