The DOI matches its Crossref record; 4 of the 4 references it cites were found in a registry or an index.
Enhanced Perfluorooctanoic Acid Degradation by Electrochemical Activation of Sulfate Solution on B/N Codoped Diamond
Abstract
Electrochemical oxidation based on SO 4 •– and • OH generated from sulfate electrolyte is a cost-effective method for degradation of persistent organic pollutants (POPs). However, sulfate activation remains a great challenge due to lack of active and robust electrodes. Herein, a B/N codoped diamond (BND) electrode is designed for electrochemical degradation of POPs via sulfate activation. It is efficient and stable for perfluorooctanoic acid (PFOA) oxidation with first-order kinetic constants of 2.4 h –1 and total organic carbon removal efficiency of 77.4% (3 h) at relatively low current density of 4 mA cm –2 . The good activity of BND mainly originates from a B and N codoping effect. The PFOA oxidation rate at sulfate electrolyte is significantly enhanced (2.3–3.4 times) compared with those at nitrate and perchlorate electrolytes. At sulfate, PFOA oxidation rate decreases slightly in the presence of • OH quencher while it declines significantly with SO 4 •– and • OH quenchers, indicate both SO 4 •– and • OH contribute to PFOA oxidation but SO 4 •– contribution is more significant. On the basis of intermediates analysis, a proposed mechanism for PFOA degradation is that PFOA is oxidized to shorter chain perfluorocarboxylic acids gradually by SO 4 •– and • OH until it is mineralized.
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Buxton, G. V., Greenstock, C. L., Helman, W. P., & Ross, A. B. (1988) · Journal of Physical and Chemical Reference Data · doi:10.1063/1.555805 · Cited by 12,332
Activation of Persulfates by Graphitized Nanodiamonds for Removal of Organic Compounds
Lee, H., Kim, H.-I., Weon, S., Choi, W., Hwang, Y. S., Seo, J., Lee, C., & Kim, J.-H. (2016) · Environmental Science & Technology · doi:10.1021/acs.est.6b02079 · Cited by 688
Wu, J., Liu, M., Sharma, P. P., Yadav, R. M., Ma, L., Yang, Y., Zou, X., Zhou, X.-D., Vajtai, R., Yakobson, B. I., et al. (2016) · Nano Letters · doi:10.1021/acs.nanolett.5b04123 · Cited by 520
Barazesh, J. M., Prasse, C., & Sedlak, D. L. (2016) · Environmental Science & Technology · doi:10.1021/acs.est.6b02232 · Cited by 166
Cited by
Radjenovic, J., Duinslaeger, N., Avval, S. S., & Chaplin, B. P. (2020) · Environmental Science & Technology · doi:10.1021/acs.est.0c06212 · Cited by 268
Veciana, M., Bräunig, J., Farhat, A., Pype, M.-L., Freguia, S., Carvalho, G., Keller, J., & Ledezma, P. (2022) · Journal of Hazardous Materials · doi:10.1016/j.jhazmat.2022.128886 · Cited by 148
Lu, J., Lu, H., Liang, D., Feng, S., Li, Y., & Li, J. (2023) · Chemosphere · doi:10.1016/j.chemosphere.2023.138824 · Cited by 65
Zeidabadi, F. A., Esfahani, E. B., & Mohseni, M. (2023) · Journal of Hazardous Materials Advances · doi:10.1016/j.hazadv.2023.100322 · Cited by 61
Metadata
- Authors
- Liu, Y., Fan, X., Quan, X., Fan, Y., Chen, S., & Zhao, X.
- Venue
- Environmental Science & Technology
- Publisher
- American Chemical Society (ACS)
- Published
- 2019-04-08
- Volume
- 53
- Issue
- 9
- Pages
- 5195-5201
- ISSN
- 0013-936X (ISSN-L)
- 1520-5851
- OpenAlex
- W2938576811
- Cited by
- 162
- References
- 4
- FWCI
- 5.11
- Type
- journal article
- Language
- en
- Open access
- closed
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