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Perfluorooctanoic Acid Degradation Using UV–Persulfate Process: Modeling of the Degradation and Chlorate Formation
Abstract
In this study, we investigated the destruction and by-product formation of perfluorooctanoic acid (PFOA) using ultraviolet light and persulfate (UV-PS). Additionally, we developed a first-principles kinetic model to simulate both PFOA destruction and by-product and chlorate (ClO3(-)) formation in ultrapure water (UW), surface water (SW), and wastewater (WW). PFOA degradation was significantly suppressed in the presence of chloride and carbonate species and did not occur until all the chloride was converted to ClO3(-) in UW and for low DOC concentrations in SW. The model was able to simulate the PS decay, pH changes, radical concentrations, and ClO3(-) formation for UW and SW. However, our model was unable to simulate PFOA degradation well in WW, possibly from PS activation by NOM, which in turn produced sulfate radicals.
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Wang, J., & Wang, S. (2018) · Chemical Engineering Journal · doi:10.1016/j.cej.2017.11.059 · Cited by 4,087
Trojanowicz, M., Bojanowska-Czajka, A., Bartosiewicz, I., & Kulisa, K. (2018) · Chemical Engineering Journal · doi:10.1016/j.cej.2017.10.153 · Cited by 550
Rayaroth, M. P., Aravindakumar, C. T., Shah, N. S., & Boczkaj, G. (2022) · Chemical Engineering Journal · doi:10.1016/j.cej.2021.133002 · Cited by 532
Zhou, Y., Wang, X., Zhu, C., Dionysiou, D. D., Zhao, G., Fang, G., & Zhou, D. (2018) · Water Research · doi:10.1016/j.watres.2018.06.002 · Cited by 361
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Metadata
- Authors
- Qian, Y., Guo, X., Zhang, Y., Peng, Y., Sun, P., Huang, C.-H., Niu, J., Zhou, X., & Crittenden, J. C.
- Venue
- Environmental Science & Technology
- Publisher
- American Chemical Society (ACS)
- Published
- 2015-12-30
- Volume
- 50
- Issue
- 2
- Pages
- 772-781
- ISSN
- 0013-936X (ISSN-L)
- 1520-5851
- OpenAlex
- W2220876274
- Cited by
- 370
- References
- 6
- FWCI
- 13.55
- Type
- journal article
- Language
- en
- Open access
- closed
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- Qian, Y., Guo, X., Zhang, Y., Peng, Y., Sun, P., Huang, C.-H., Niu, J., Zhou, X., & Crittenden, J. C. (2016). Perfluorooctanoic Acid Degradation Using UV–Persulfate Process: Modeling of the Degradation and Chlorate Formation. Environmental Science & Technology. https://doi.org/10.1021/acs.est.5b03715
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