The DOI matches its Crossref record; 42 of the 42 references it cites were found in a registry or an index.
Co-Mn layered double hydroxide as an effective heterogeneous catalyst for degradation of organic dyes by activation of peroxymonosulfate
Abstract
In this study, Co-Mn layered double hydroxide (Co-Mn LDH) was synthesized, characterized, and tested as heterogeneous catalyst to activate peroxymonosulfate (PMS) for degradation of organic dyes. The results of characterization showed that Co-Mn LDH had high purity, uniform morphology and large specific surface area (49.9379 m2/g). The degradation experiments demonstrated that five different dyes with the concentration of 50 mg/L could be decomposed completely within 240 s using only 0.025 g/L of Co-Mn LDH and 0.1 g/L of PMS. Moreover, Co-Mn LDH/PMS system presented the highest decomposition efficiency for acid orange G (AOG) compared with other related materials under the same condition. Further investigation found that Co-Mn LDH/PMS system had an excellent adaptability in a wide pH range (from 3 to 10), and the best efficiency was achieved when the solution was natural (pH = 6.87). The mineralization of AOG was assessed by Total Organic Carbon (TOC), and 52.2% of TOC was removed. Meanwhile, the good reusability and high stability of Co-Mn LDH were demonstrated by recycle tests and ion-leaching tests. The catalytic mechanism was explored through quenching tests as well as X-ray photoelectron spectroscopy (XPS) analysis. Finally, all of the results suggested that Co-Mn LDH/PMS system with high stability and decomposition efficiency was suitable for the remediation of organic dyes in wastewater.
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Cites
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Self-citationUltrathin Cobalt–Manganese Layered Double Hydroxide Is an Efficient Oxygen Evolution Catalyst
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Activation of peroxymonosulfate by base: Implications for the degradation of organic pollutants
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Cited by
Duan, P., Qi, Y., Feng, S., Peng, X., Wang, W., Yue, Y., Shang, Y., Li, Y., Gao, B., & Xu, X. (2020) · Applied Catalysis B: Environmental · doi:10.1016/j.apcatb.2020.118717 · Cited by 417
Mn-based catalysts for sulfate radical-based advanced oxidation processes: A review
Huang, J., & Zhang, H. (2019) · Environment International · doi:10.1016/j.envint.2019.105141 · Cited by 328
Karim, A. V., Hassani, A., Eghbali, P., & Nidheesh, P. V. (2022) · Current Opinion in Solid State and Materials Science · doi:10.1016/j.cossms.2021.100965 · Cited by 322
Zhou, X., Zhao, Q., Wang, J., Chen, Z., & Chen, Z. (2021) · Chemical Engineering Journal · doi:10.1016/j.cej.2020.128312 · Cited by 269
Metadata
- Authors
- Zhao, X., Niu, C., Zhang, L., Guo, H., Wen, X., Liang, C., & Zeng, G.
- Venue
- Chemosphere
- Publisher
- Elsevier BV
- Published
- 2018-08
- Volume
- 204
- Pages
- 11-21
- ISSN
- 0045-6535 (ISSN-L)
- OpenAlex
- W2796379348
- Cited by
- 257
- References
- 42
- FWCI
- 11.35
- Type
- journal article
- Language
- en
- Open access
- closed
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- Zhao, X., Niu, C., Zhang, L., Guo, H., Wen, X., Liang, C., & Zeng, G. (2018). Co-Mn layered double hydroxide as an effective heterogeneous catalyst for degradation of organic dyes by activation of peroxymonosulfate. Chemosphere. https://doi.org/10.1016/j.chemosphere.2018.04.023
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