The DOI matches its Crossref record; 61 of the 61 references it cites were found in a registry or an index.
High efficient removal of bisphenol A in a peroxymonosulfate/iron functionalized biochar system: Mechanistic elucidation and quantification of the contributors
Abstract
Abstract Activation of peroxymonosulfate (PMS) to degrade recalcitrant organic pollutants has attracted much attention, however, this process usually needs expensive or toxic catalysts. Herein, we prepared a Fe functionalized biochar composite that contain Fe0, porous carbon with abundant functional groups and nanofibers (Fe-BC-700) to activate PMS and efficiently remove bisphenol A (BPA). The contribution of different participants in the complicated system involving Fe species, carbon composites, and radicals and nonradicals were quantitatively investigated. Under optimal conditions (0.2 g/L PMS and 0.15 g/L catalyst), 20 mg/L of BPA can be completely removed in 5 min by Fe-BC-700. The effects including the activation of PMS by Fe species to produce sulfate radicals (SO4 −), the electron transfer by the nanofiber-mesoporous carbon structure, and the inherent persistent free radicals (PFR) in biochar, were demonstrated to contribute to the high performance. A series of contrast experiments showed that PMS activated by Fe contributed to about 36% of BPA degradation, while the carbon composites, especially carbon nanofibers contributed to 17%, and the other 47% was ascribed to the adsorption of carbon composites (may further undergoing degradation). Meanwhile, the degradation by SO4 − accounted for about 23% (by quenching experiments), while the nonradical pathway contributed to 30%. This work suggests that the non-activation factors in PMS/porous catalyst/pollutant system cannot be neglected.
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Cited by
Xiao, S., Cheng, M., Zhong, H., Liu, Z., Liu, Y., Yang, X., & Liang, Q. (2020) · Chemical Engineering Journal · doi:10.1016/j.cej.2019.123265 · Cited by 954
Magnetic biochar for environmental remediation: A review
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Biochar-supported nZVI (nZVI/BC) for contaminant removal from soil and water: A critical review
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Self-citation
Metadata
- Authors
- Jiang, S.-F., Ling, L.-L., Chen, W.-J., Liu, W.-J., Li, D.-C., & Jiang, H.
- Venue
- Chemical Engineering Journal
- Publisher
- Elsevier BV
- Published
- 2019-03
- Volume
- 359
- Pages
- 572-583
- ISSN
- 1385-8947 (ISSN-L)
- OpenAlex
- W2900817172
- Cited by
- 326
- References
- 61
- FWCI
- 11.99
- Type
- journal article
- Language
- en
- Open access
- closed
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- Jiang, S.-F., Ling, L.-L., Chen, W.-J., Liu, W.-J., Li, D.-C., & Jiang, H. (2019). High efficient removal of bisphenol A in a peroxymonosulfate/iron functionalized biochar system: Mechanistic elucidation and quantification of the contributors. Chemical Engineering Journal. https://doi.org/10.1016/j.cej.2018.11.124
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