The DOI matches its Crossref record; 78 of the 78 references it cites were found in a registry or an index.
Visible-light activation of persulfate by TiO2/g-C3N4 photocatalyst toward efficient degradation of micropollutants
Abstract
Abstract A novel TiO2/g-C3N4-PS system was proposed, in which a TiO2/g-C3N4 heterojunction was used to activate persulfate (PS) to enhance pollutant photodegradation under visible-light irradiation. In this study, the TiO2/g-C3N4 photocatalyst was synthesized by a simple calcination method, and acetaminophen (AAP) was chosen as a model pollutant to test the degradation efficiency of the photocatalytic system. The TiO2/g-C3N4-PS system exhibits an efficient activity for PS activation and a high efficiency for pollutant degradation. The results show that 100 mL of a 5 mg/L AAP solution could be almost completely degraded in 30 min with 0.5 g/L photocatalyst and 2 mM PS, and TOC can be decreased by 82.5% in 60 min. After adding PS, the degradation rate of the TiO2/g-C3N4 photocatalytic system was greatly improved by nearly 13 times, compared to the TiO2/g-C3N4 system. The radical quenching experiments and electron paramagnetic resonance (EPR) results indicate that SO4 −, OH and h+ all contribute to eliminating organic compounds. Additionally, the TiO2/g-C3N4-PS photocatalytic system was employed to eliminate other typical micropollutants, such as phenol, bisphenol A and carbamazepine, and experiments were also carried out using real water matrices, and the ideal performance shows that the TiO2/g-C3N4-PS photocatalytic system has a strong nonselective oxidative ability for degrading contaminants.
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Cites
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A review on the visible light active titanium dioxide photocatalysts for environmental applications
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Enhancement of photocurrent and photocatalytic activity of ZnO hybridized with graphite-like C3N4
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Activation of Persulfates by Graphitized Nanodiamonds for Removal of Organic Compounds
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Cited by
Wang, L., Lan, X., Peng, W., & Wang, Z. (2021) · Journal of Hazardous Materials · doi:10.1016/j.jhazmat.2020.124436 · Cited by 689
Yu, Y., & Huang, H. (2023) · Chemical Engineering Journal · doi:10.1016/j.cej.2022.139755 · Cited by 280
Alharbi, N. S., Hu, B., Hayat, T., Rabah, S. O., Alsaedi, A., Zhuang, L., & Wang, X. (2020) · Frontiers of Chemical Science and Engineering · doi:10.1007/s11705-020-1923-z · Cited by 196
Metadata
- Authors
- Du, X., Bai, X., Xu, L., Yang, L., & Jin, P.
- Venue
- Chemical Engineering Journal
- Publisher
- Elsevier BV
- Published
- 2020-03
- Volume
- 384
- Pages
- 123245
- ISSN
- 1385-8947 (ISSN-L)
- OpenAlex
- W2981402375
- Cited by
- 420
- References
- 78
- FWCI
- 17.61
- Type
- journal article
- Language
- en
- Open access
- closed
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- Du, X., Bai, X., Xu, L., Yang, L., & Jin, P. (2020). Visible-light activation of persulfate by TiO2/g-C3N4 photocatalyst toward efficient degradation of micropollutants. Chemical Engineering Journal. https://doi.org/10.1016/j.cej.2019.123245
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