Journal
JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY
Volume 303, Issue 3, Pages 2371-2377Publisher
SPRINGER
DOI: 10.1007/s10967-014-3673-1
Keywords
Sr(II); Fe3O4/AC; Adsorption; Radioactive wastewater management; Magnetic adsorbent
Funding
- China University of Geoscience (Wuhan)
- Henan Polytechnic University
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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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