The DOI matches its Crossref record; 3 of the 3 references it cites were found in a registry or an index.
Efficient removal of arsenate by versatile magnetic graphene oxide composites
Abstract
The magnetic graphene oxide (MGO) composites were prepared by coprecipitation of FeCl3·6H2O and FeCl2·4H2O on graphene oxide (GO) nanosheets and characterized in detail. The Fe3O4 was uniformly deposited on the surface of GO. The synthesized MGO composites were used as a versatile adsorbent for As(V) removal from aqueous solutions. The results showed that the adsorption of As(V) on MGO is an endothermic process and the adsorption kinetic fitted the pseudo-second-order model well. The MGO composites had a good adsorption capability for As(V) removal and the adsorption isotherms were described by the Langmuir model better than by the Freundlich model. The adsorption of As(V) on MGO decreased with ascending pH due to the electrostatic interaction. In addition, the adsorption of As(V) on MGO was greatly affected by the nature and concentration of coexisting cations and anions. The presence of coexisting anions showed an inhibiting effect on As(V) adsorption, which was more efficient at low pH, whereas the presence of coexisting cations showed an enhancing effect on As(V) adsorption, which was more efficient at high pH. The results of this work indicated that the combination of the excellent adsorption capacity of GO and the magnetic properties of Fe3O4 nanoparticles is very important in drinking water treatment due to the easy magnetic separation of MGO from aqueous solutions.
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Cites
Quantitative assessment of worldwide contamination of air, water and soils by trace metals
Nriagu, J. O., & Pacyna, J. M. (1988) · Nature · doi:10.1038/333134a0 · Cited by 4,368
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Youngran, J., FAN, M., Van Leeuwen, J., & Belczyk, J. F. (2007) · Journal of Environmental Sciences · doi:10.1016/s1001-0742(07)60151-x · Cited by 174
Cited by
Zou, Y., Wang, X., Khan, A., Wang, P., Liu, Y., Alsaedi, A., Hayat, T., & Wang, X. (2016) · Environmental Science & Technology · doi:10.1021/acs.est.6b01897 · Cited by 1,369
Self-citationAdsorption of divalent metal ions from aqueous solutions using graphene oxide
Sitko, R., Turek, E., Zawisza, B., Malicka, E., Talik, E., Heimann, J., Gagor, A., Feist, B., & Wrzalik, R. (2013) · Dalton Transactions · doi:10.1039/c3dt33097d · Cited by 850
Graphene Oxide–MnFe2O4 Magnetic Nanohybrids for Efficient Removal of Lead and Arsenic from Water
Kumar, S., Nair, R. R., Pillai, P. B., Gupta, S. N., Iyengar, M. A. R., & Sood, A. K. (2014) · ACS Applied Materials & Interfaces · doi:10.1021/am504826q · Cited by 573
Sherlala, A. I. A., Raman, A. A. A., Bello, M. M., & Asghar, A. (2018) · Chemosphere · doi:10.1016/j.chemosphere.2017.11.093 · Cited by 420
Synthesis and characterization of an iron-impregnated biochar for aqueous arsenic removal
He, R., Peng, Z., Lyu, H., Huang, H., Nan, Q., & Tang, J. (2018) · Science of The Total Environment · doi:10.1016/j.scitotenv.2017.09.016 · Cited by 287
Metadata
- Authors
- Sheng, G., Li, Y., Yang, X., Ren, X., Yang, S., Hu, J., & Wang, X.
- Venue
- RSC Advances
- Publisher
- Royal Society of Chemistry (RSC)
- Published
- 2012
- Volume
- 2
- Issue
- 32
- Pages
- 12400
- ISSN
- 2046-2069 (ISSN-L)
- OpenAlex
- W2036973967
- Cited by
- 194
- References
- 3
- FWCI
- 9.66
- Type
- journal article
- Language
- en
- Open access
- closed
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