Abstract
Magnetic adsorbent of Fe3O4 and activated carbon (Fe3O4/AC) was prepared by chemical coprecipitation technique, and was characterized by SEM, TEM, BET, XRD, and VSM techniques in details. The adsorption results of Sr(II) on Fe3O4/AC revealed that Sr(II) adsorption on Fe3O4/AC surface was an spontaneous and endothermic process, and can be well described by the pseudo-second-order model. The adsorption of Sr(II) on Fe3O4/AC increased with increasing pH, and decreased with increasing ionic strength. Fe3O4/AC can be easily separated from aqueous solution with an external magnetic field after application.
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The authors thank China University of Geoscience (Wuhan) and Henan Polytechnic University for all of the support provided.
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Lu, Y., Yu, J. & Cheng, S. Magnetic composite of Fe3O4 and activated carbon as a adsorbent for separation of trace Sr(II) from radioactive wastewater. J Radioanal Nucl Chem 303, 2371–2377 (2015). https://doi.org/10.1007/s10967-014-3673-1
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DOI: https://doi.org/10.1007/s10967-014-3673-1