The DOI matches its Crossref record; 3 of the 3 references it cites were found in a registry or an index.
Removal of Cu(II) and Fulvic Acid by Graphene Oxide Nanosheets Decorated with Fe3O4 Nanoparticles
Abstract
Graphene oxide/Fe(3)O(4) (GO/Fe(3)O(4)) composites were synthesized and characterized by scanning electron microscopy, transmission electron microscopy, and X-ray photoelectron spectroscopy. The removal of Cu(II) and a natural organic macromolecule (fulvic acid (FA)) by GO/Fe(3)O(4) was investigated. The mutual effects of FA/Cu(II) on Cu(II) and FA sorption onto GO/Fe(3)O(4), as well as the effect of pH, ionic strength, FA/Cu(II) concentrations, and the addition sequences of FA/Cu(II) were examined. The results indicated that Cu(II) sorption on GO/Fe(3)O(4) were strongly dependent on pH and independent of ionic strength, indicating that the sorption was mainly dominated by inner-sphere surface complexation rather than outer-sphere surface complexation or ion exchange. The presence of FA leads to a strong increase in Cu(II) sorption at low pH and a decrease at high pH, whereas the presence of Cu(II) led to an increase in FA sorption. The adsorbed FA contributes to the modification of sorbent surface properties and partial complexation of Cu(II) with FA adsorbed. Different effects of FA/Cu(II) concentrations and addition sequences on Cu(II) and FA sorption were observed, indicating the difference in sorption mechanisms. After GO/Fe(3)O(4) adsorbed FA, the sorption capacity for Cu(II) was enhanced at pH 5.3, and the sorption capacity for FA was also enhanced after Cu(II) sorption on GO/Fe(3)O(4). These results are important for estimating and optimizing the removal of metal ions and organic substances by GO/Fe(3)O(4) composites.
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Cites
Geim, A. K., & Novoselov, K. S. (2007) · Nature Materials · doi:10.1038/nmat1849 · Cited by 39,979
Graphene: Status and Prospects
Geim, A. K. (2009) · Science · doi:10.1126/science.1158877 · Cited by 13,942
Scheuermann, G. M., Rumi, L., Steurer, P., Bannwarth, W., & Mülhaupt, R. (2009) · Journal of the American Chemical Society · doi:10.1021/ja901105a · Cited by 1,163
Cited by
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Wu, W., Wu, Z., Yu, T., Jiang, C., & Kim, W.-S. (2015) · Science and Technology of Advanced Materials · doi:10.1088/1468-6996/16/2/023501 · Cited by 1,574
Role of nanomaterials in water treatment applications: A review
Santhosh, C., Velmurugan, V., Jacob, G., Jeong, S. K., Grace, A. N., & Bhatnagar, A. (2016) · Chemical Engineering Journal · doi:10.1016/j.cej.2016.08.053 · Cited by 1,256
Zhu, X., Li, B., Yang, J., Li, Y., Zhao, W., Shi, J., & Gu, J. (2015) · ACS Applied Materials & Interfaces · doi:10.1021/am5059074 · Cited by 486
Two-Dimensional Ti3C2Tx MXene Nanosheets for Efficient Copper Removal from Water
Shahzad, A., Rasool, K., Miran, W., Nawaz, M., Jang, J., Mahmoud, K. A., & Lee, D. S. (2017) · ACS Sustainable Chemistry & Engineering · doi:10.1021/acssuschemeng.7b02695 · Cited by 478
Metadata
- Authors
- Li, J., Zhang, S., Chen, C., Zhao, G., Yang, X., Li, J., & Wang, X.
- Venue
- ACS Applied Materials & Interfaces
- Publisher
- American Chemical Society (ACS)
- Published
- 2012-09-14
- Volume
- 4
- Issue
- 9
- Pages
- 4991-5000
- ISSN
- 1944-8244 (ISSN-L)
- 1944-8252
- OpenAlex
- W1966833405
- Cited by
- 516
- References
- 3
- FWCI
- 33.15
- Type
- journal article
- Language
- en
- Open access
- closed
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