The DOI matches its Crossref record; 10 of the 10 references it cites were found in a registry or an index.
The Aqueous Degradation of Butylated Hydroxyanisole by UV/S2O82-: Study of Reaction Mechanisms via Dimerization and Mineralization
Abstract
Three distinctive phases of BHA reactivity toward UV/ S2O8(2-) at acidic, neutral, and basic pH range were examined, where 80-100% mineralization has been observed within an hour of irradiation under 254 nm. A reduction in solution pH during the reaction was observed mainly due to the complete conversion of S2O8(2-) to sulfate ion together with proton generation. Seven measurable intermediates were found via an oxidation and dimerization process at all tested pH levels. The BHA decay mechanisms are quite different in acidic condition and at other pH levels. There are three unique intermediates that are only detectable at pH 3 via two additional pathways. This is due to the generation of weaker oxidants or radicals which results in a slower degradation of the BHA, and therefore, the accumulation of these intermediates to detectable levels. The rate of BHA decay generally increases from low to high pH levels; however, the corresponding mineralization at higher pH is retarded due to the futile process of recombining radicals and involvement of intermediates. Therefore, neutral pH was suggested to be the optimum condition in terms of mineralization and moderate efficiency in removing BHA.
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Cites
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Butylated hydroxyanisole in perspective
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Synergistic cytotoxicity of Δ9-tetrahydrocannabinol and butylated hydroxyanisole
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In vivo studies on butylated hydroxyanisole
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Zhang, T., Zhu, H., & Croué, J.-P. (2013) · Environmental Science & Technology · doi:10.1021/es304721g · Cited by 1,203
Zhu, S., Huang, X., Ma, F., Wang, L., Duan, X., & Wang, S. (2018) · Environmental Science & Technology · doi:10.1021/acs.est.8b01817 · Cited by 1,179
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
Wols, B. A., & Hofman-Caris, C. H. M. (2012) · Water Research · doi:10.1016/j.watres.2012.03.036 · Cited by 606
Removal of 2-MIB and geosmin using UV/persulfate: Contributions of hydroxyl and sulfate radicals
Xie, P., Ma, J., Liu, W., Zou, J., Yue, S., Li, X., Wiesner, M. R., & Fang, J. (2015) · Water Research · doi:10.1016/j.watres.2014.11.029 · Cited by 592
Metadata
- Authors
- Lau, T. K., Chu, W., & Graham, N. J. D.
- Venue
- Environmental Science & Technology
- Publisher
- American Chemical Society (ACS)
- Published
- 2006-12-09
- Volume
- 41
- Issue
- 2
- Pages
- 613-619
- ISSN
- 0013-936X (ISSN-L)
- 1520-5851
- OpenAlex
- W2048719808
- Cited by
- 451
- References
- 10
- FWCI
- 4.19
- Type
- journal article
- Language
- en
- Open access
- closed
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