期刊
JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY
卷 305, 期 2, 页码 445-453出版社
SPRINGER
DOI: 10.1007/s10967-015-3988-6
关键词
Uranium(VI); Nanoparticles; Polyamidoxime; Sorption
资金
- Natural Science Foundation of China [91326202, 21174100]
- Priority Academic Program Development of Jiangsu Higher Education Institutions (PAPD)
- Qing-Lan Project of Jiangsu Province
- Jiangsu Key Laboratory of Radiation Medicine and Protection
It is important to separate uranium(VI) from water environment due to its high toxicity and radioactivity. A new kind of polystyrene nanoparticles with polyamidoxime is reported here for removal of uranium(VI) from aqueous solutions. The obtained PSt nanoparticles have a tunable sorption capacity. The sorption process follows pseudo-second-order kinetics, and the equilibrium can be reached within 6 h. Furthermore, the optimal pH value of sorption process is 6.5, and the adsorbents can be recycled well for uranium(VI) sorption from aqueous solution. This work indicates that the polyamidoxime-functionalized PSt nanoparticles may be used as a good adsorbent for the removal of uranium(VI) from neutral aqueous solution.
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