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Low-Cost Synthesis of Flowerlike α-Fe2O3 Nanostructures for Heavy Metal Ion Removal: Adsorption Property and Mechanism
Abstract
Flowerlike α-Fe(2)O(3) nanostructures were synthesized via a template-free microwave-assisted solvothermal method. All chemicals used were low-cost compounds and environmentally benign. These flowerlike α-Fe(2)O(3) nanostructures had high surface area and abundant hydroxyl on their surface. When tested as an adsorbent for arsenic and chromium removal, the flowerlike α-Fe(2)O(3) nanostructures showed excellent adsorption properties. The adsorption mechanism for As(V) and Cr(VI) onto flowerlike α-Fe(2)O(3) nanostructures was elucidated by X-ray photoelectron spectroscopy and synchrotron-based X-ray absorption near edge structure analysis. The results suggested that ion exchange between surface hydroxyl groups and As(V) or Cr(VI) species was accounted for by the adsorption. With maximum capacities of 51 and 30 mg g(-1) for As(V) and Cr(VI), respectively, these low-cost flowerlike α-Fe(2)O(3) nanostructures are an attractive adsorbent for the removal of As(V) and Cr(VI) from water.
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Cites
Arsenic Contamination of Groundwater and Drinking Water in Vietnam: A Human Health Threat
Berg, M., Tran, H. C., Nguyen, T. C., Pham, H. V., Schertenleib, R., & Giger, W. (2001) · Environmental Science & Technology · doi:10.1021/es010027y · Cited by 1,096
Cited by
Microwave-Assisted Preparation of Inorganic Nanostructures in Liquid Phase
Zhu, Y.-J., & Chen, F. (2014) · Chemical Reviews · doi:10.1021/cr400366s · Cited by 912
Wang, L., Shi, C., Wang, L., Pan, L., Zhang, X., & Zou, J.-J. (2020) · Nanoscale · doi:10.1039/c9nr09274a · Cited by 523
Liu, Q., Zhong, L.-B., Zhao, Q.-B., Frear, C., & Zheng, Y.-M. (2015) · ACS Applied Materials & Interfaces · doi:10.1021/acsami.5b04598 · Cited by 316
Jawed, A., Saxena, V., & Pandey, L. M. (2020) · Journal of Water Process Engineering · doi:10.1016/j.jwpe.2019.101009 · Cited by 297
Hayati, B., Maleki, A., Najafi, F., Gharibi, F., McKay, G., Gupta, V. K., Harikaranahalli Puttaiah, S., & Marzban, N. (2018) · Chemical Engineering Journal · doi:10.1016/j.cej.2018.03.172 · Cited by 268
Metadata
- Authors
- Cao, C.-Y., Qu, J., Yan, W.-S., Zhu, J.-F., Wu, Z.-Y., & Song, W.-G.
- Venue
- Langmuir
- Publisher
- American Chemical Society (ACS)
- Published
- 2012-02-22
- Volume
- 28
- Issue
- 9
- Pages
- 4573-4579
- ISSN
- 0743-7463 (ISSN-L)
- 1520-5827
- OpenAlex
- W1993645534
- Cited by
- 448
- References
- 1
- FWCI
- 34.31
- Type
- journal article
- Language
- en
- Open access
- closed
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- Cao, C.-Y., Qu, J., Yan, W.-S., Zhu, J.-F., Wu, Z.-Y., & Song, W.-G. (2012). Low-Cost Synthesis of Flowerlike α-Fe2O3 Nanostructures for Heavy Metal Ion Removal: Adsorption Property and Mechanism. Langmuir. https://doi.org/10.1021/la300097y
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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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