The DOI matches its Crossref record; 5 of the 5 references it cites were found in a registry or an index.
Degradation of organic pollutants by ferrate/biochar: Enhanced formation of strong intermediate oxidative iron species
Abstract
Biochar draws increasing attention as soil amendment, carbon sink, slow-release fertilizer, and adsorbent. Herein, it was interesting to find out that among 11 kinds of commercial biochar, 3 of them facilitated ferrate oxidation of sulfamethoxazole (SMX). With the addition of biochar, oxidation rates of 5 kinds of organic pollutants (including antibiotics, pharmaceuticals, and personal care product) increased by 3-14 times, and the total organic carbon (TOC) removal ratio increased by 2.4-8 times. Radical scavenging experiment, electron spin resonance (ESR) analysis, and probe compound (sulfoxide) oxidation experiment showed that no radical but intermediate iron species [Fe(IV) and Fe(V)] participated in the oxidation reactions. Redox-active moieties (phenolic hydroxyl) on biochar interact with ferrate as electron shuttle and enhance the formation of intermediate iron species through electron transfer. The intermediate iron species not only interacted with organic pollutants and accelerated their transformation, but also corrupted (oxidized) the physical structure of biochar and expanded its surface area and pore volume. Increase of surface area and pore volume of the spent biochar in turn resulted in the improved adsorption capacity. In addition to eliminating emerging organic pollutants, ferrate/biochar removed 8.7%-31.6% of TOC in authentic water and decreased the formation potential of 20 kinds of chlorinated disinfection by-products (DBPs) by 9.2%-23.9%.
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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
Fang, G., Liu, C., Gao, J., Dionysiou, D. D., & Zhou, D. (2015) · Environmental Science & Technology · doi:10.1021/es5061512 · Cited by 887
Fang, G., Gao, J., Liu, C., Dionysiou, D. D., Wang, Y., & Zhou, D. (2014) · Environmental Science & Technology · doi:10.1021/es4048126 · Cited by 802
Photogeneration of reactive oxygen species from biochar suspension for diethyl phthalate degradation
Fang, G., Liu, C., Wang, Y., Dionysiou, D. D., & Zhou, D. (2017) · Applied Catalysis B: Environmental · doi:10.1016/j.apcatb.2017.05.036 · Cited by 361
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Cited by
Zong, Y., Shao, Y., Zeng, Y., Shao, B., Xu, L., Zhao, Z., Liu, W., & Wu, D. (2021) · Environmental Science & Technology · doi:10.1021/acs.est.1c00375 · Cited by 499
Heterogeneous catalytic ozonation of atrazine with Mn-loaded and Fe-loaded biochar
Tian, S.-Q., Qi, J.-Y., Wang, Y.-P., Liu, Y.-L., Wang, L., & Ma, J. (2021) · Water Research · doi:10.1016/j.watres.2021.116860 · Cited by 298
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Metadata
- Authors
- Tian, S.-Q., Wang, L., Liu, Y.-L., & Ma, J.
- Venue
- Water Research
- Publisher
- Elsevier BV
- Published
- 2020-09
- Volume
- 183
- Pages
- 116054
- ISSN
- 0043-1354 (ISSN-L)
- OpenAlex
- W3037510345
- Cited by
- 166
- References
- 5
- FWCI
- 6.08
- Type
- journal article
- Language
- en
- Open access
- closed
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- Tian, S.-Q., Wang, L., Liu, Y.-L., & Ma, J. (2020). Degradation of organic pollutants by ferrate/biochar: Enhanced formation of strong intermediate oxidative iron species. Water Research. https://doi.org/10.1016/j.watres.2020.116054
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