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- Title
Preparation and application of magnetic graphene oxide composite for the highly efficient immobilization of U(VI) from aqueous solutions.
- Authors
Zhao, Donglin; Chen, Lili; Sun, Mei; Li, Feifei
- Abstract
In this present study, a graphene-based magnetic composite (FeO/GO) was prepared and characterized by SEM, TEM, XRD and FTIR. The immobilization of U(VI) onto FeO/GO by a adsorption process was using a batch technique. The pseudo-second-order kinetic and Langmuir isotherm model could best describe the adsorption kinetics and isotherms. The thermodynamic parameters calculated from the temperature dependent adsorption isotherms revealed that the adsorption of U(VI) on FeO/GO was spontaneous and endothermic in nature. The as-prepared FeO/GO composite may be utilized as an efficient, magnetically separable adsorbent for the removal of U(VI) and related radionuclides from aqueous solutions in nuclear waste management.
- Subjects
GRAPHENE oxide; ENCAPSULATION (Catalysis); URANIUM; AQUEOUS solutions; FOURIER transform infrared spectroscopy; CHEMICAL kinetics
- Publication
Journal of Radioanalytical & Nuclear Chemistry, 2015, Vol 306, Issue 1, p221
- ISSN
0236-5731
- Publication type
Article
- DOI
10.1007/s10967-015-4064-y