The DOI matches its Crossref record; 53 of the 53 references it cites were found in a registry or an index.
Oxidation of bisphenol A by nonradical activation of peroxymonosulfate in the presence of amorphous manganese dioxide
Abstract
Abstract This work demonstrated that bisphenol A (BPA) was rapidly degraded by peroxymonosulfate (PMS) in the presence of amorphous manganese dioxide (MnO2). Chemical quenching experiments and electron paramagnetic resonance spectroscopy (EPR) suggested that hydroxyl radical ( OH), sulfate radical (SO4 −), and singlet oxygen (1O2) were unlikely responsible for BPA oxidation. As such, a nonradical mechanism involving the formation of reactive complexes between amorphous MnO2 and PMS was tentatively proposed based on the PMS decomposition and Raman spectra. The presence of phosphate ions (H2PO4−) remarkably suppressed the degradation of BPA, while the addition of divalent metal ions (Ca2+, Mg2+, and Zn2+) appreciably enhanced BPA degradation. The discrepancy was likely resulted from their contrasting influences on the formation of reactive PMS-MnO2 complexes. Based on identified oxidation products (i.e., dimers, 4-hydroxycumyl alcohol, mono-hydroxylated BPA and its quinone derivative) by liquid chromatography tandem mass spectrometry, the transformation pathways of BPA in amorphous MnO2/PMS system involving one-electron oxidation, radical coupling, bond cleavage, and hydroxylation were proposed. In addition to BPA, thirteen other selected phenolic compounds were also efficiently degraded by amorphous MnO2/PMS system, and good correlations between apparent pseudo-first-order reaction rate constants (kobs) and descriptor variables (i.e., Hammett constants σ+ and half-wave potentials E1/2) were obtained.
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Cited by
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Ren, W., Cheng, C., Shao, P., Luo, X., Zhang, H., Wang, S., & Duan, X. (2022) · Environmental Science & Technology · doi:10.1021/acs.est.1c05374 · Cited by 1,306
Zhu, S., Li, X., Kang, J., Duan, X., & Wang, S. (2019) · Environmental Science & Technology · doi:10.1021/acs.est.8b04669 · Cited by 1,246
Zheng, X., Niu, X., Zhang, D., Lv, M., Ye, X., Ma, J., Lin, Z., & Fu, M. (2022) · Chemical Engineering Journal · doi:10.1016/j.cej.2021.132323 · Cited by 593
Mn-based catalysts for sulfate radical-based advanced oxidation processes: A review
Huang, J., & Zhang, H. (2019) · Environment International · doi:10.1016/j.envint.2019.105141 · Cited by 328
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Metadata
- Authors
- Wang, L., Jiang, J., Pang, S.-Y., Zhou, Y., Li, J., Sun, S., Gao, Y., & Jiang, C.
- Venue
- Chemical Engineering Journal
- Publisher
- Elsevier BV
- Published
- 2018-11
- Volume
- 352
- Pages
- 1004-1013
- ISSN
- 1385-8947 (ISSN-L)
- OpenAlex
- W2884365772
- Cited by
- 293
- References
- 53
- FWCI
- 9.55
- Type
- journal article
- Language
- en
- Open access
- closed
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- Wang, L., Jiang, J., Pang, S.-Y., Zhou, Y., Li, J., Sun, S., Gao, Y., & Jiang, C. (2018). Oxidation of bisphenol A by nonradical activation of peroxymonosulfate in the presence of amorphous manganese dioxide. Chemical Engineering Journal. https://doi.org/10.1016/j.cej.2018.07.103
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