The DOI matches its Crossref record; 41 of the 41 references it cites were found in a registry or an index.
Superior adsorption of phosphate by ferrihydrite-coated and lanthanum-decorated magnetite
Abstract
Present study reports the successful development of a novel lanthanum (La)-based magnetic adsorbent and its use for phosphate removal from water. For its synthesis, natural magnetite (Mag), Fe3O4, was subjected to partial dissolution in HCl solution and the obtained suspension was mixed with an alkaline solution for in-situ synthesis of ferrihydrite (Fh)-coated Mag (Mag@Fh). Mag@Fh was then decorated with La (hydr)oxides followed by calcination to produce Fh-coated and La-decorated Mag (Mag@Fh-La). Obtained Mag@Fh-La represented high phosphate adsorption capacity (44.8 mg P/g at 15.7% La in its structure) and La usage efficiency. Moreover, Mag@Fh-La retained its high adsorption capacity (>35.0 mg P/g) over a wide range of equilibrium solution pH (3.2-10.7). The combination of FTIR, XPS analysis and adsorption experiments revealed that ligand exchange and electrostatic attraction were the main mechanisms that jointly facilitated the adsorption of phosphate. Adsorption-desorption cycle studies confirmed the well-retained adsorption efficiency of regenerated Mag@Fh-La for repeated applications. Final experiments with real domestic wastewater (initial phosphate concentration of 1.7 mg/L) revealed that 0.2 g/L Mag@Fh-La efficiently reduced the phosphate concentration to below 0.02 mg/L. Overall, this work clearly highlights that the synthesized novel adsorbent has promising applications in phosphate removal from real wastewater.
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Cites
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Self-citationThe Structure of Ferrihydrite, a Nanocrystalline Material
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Removal and Recovery of Phosphate From Water Using Sorption
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Self-citationPhosphate removal from wastewater using red mud
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Phosphate adsorption on lanthanum loaded biochar
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Cited by
Zhu, R., Zhu, Y., Xian, H., Yan, L., Fu, H., Zhu, G., Xi, Y., Zhu, J., & He, H. (2020) · Applied Catalysis B: Environmental · doi:10.1016/j.apcatb.2020.118891 · Cited by 267
Self-citationFeng, Y., Luo, Y., He, Q., Zhao, D., Zhang, K., Shen, S., & Wang, F. (2021) · Journal of Environmental Chemical Engineering · doi:10.1016/j.jece.2021.105267 · Cited by 121
Pan, W., Xie, H., Zhou, Y., Wu, Q., Zhou, J., & Guo, X. (2023) · Journal of Cleaner Production · doi:10.1016/j.jclepro.2022.135496 · Cited by 51
Metadata
- Authors
- Fu, H., Yang, Y., Zhu, R., Liu, J., Usman, M., Chen, Q., & He, H.
- Venue
- Journal of Colloid and Interface Science
- Publisher
- Elsevier BV
- Published
- 2018-11
- Volume
- 530
- Pages
- 704-713
- ISSN
- 0021-9797 (ISSN-L)
- OpenAlex
- W2876927810
- Cited by
- 284
- References
- 41
- FWCI
- 24.31
- Type
- journal article
- Language
- en
- Open access
- closed
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- Fu, H., Yang, Y., Zhu, R., Liu, J., Usman, M., Chen, Q., & He, H. (2018). Superior adsorption of phosphate by ferrihydrite-coated and lanthanum-decorated magnetite. Journal of Colloid and Interface Science. https://doi.org/10.1016/j.jcis.2018.07.025
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
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