期刊
JOURNAL OF INDUSTRIAL AND ENGINEERING CHEMISTRY
卷 36, 期 -, 页码 206-214出版社
ELSEVIER SCIENCE INC
DOI: 10.1016/j.jiec.2016.02.004
关键词
Amino ionic liquids; Fe3O4@nSiO(2)@mSiO(2) microspheres; Mesoporous core/shell structure; Dye removal; Magnetic separation
资金
- National Natural Science Foundation of China [21403151]
- Qualified Personnel Foundation of Taiyuan University of Technology [tyutrc-201322a]
Amino ionic liquids modified superparamagnetic mesoporous core/shell nanocomposite (Fe3O4@nSiO(2)@mSiO(2)@DHIM-NH2) was synthesized to remove orange II and amaranth from water. Due to the multiple active sites of the introduced ionic liquids, the adsorbent presents superior adsorption performance and instantaneous adsorption capacity. The maximum adsorption capacities are reached at pH 2 due to the protonation of amino groups, which are 153.06 and 84.40 mg g(-1) for orange II and amaranth, respectively. The good stability, rapid adsorption kinetics, large adsorption capacity, and high separation efficiency make Fe3O4@nSiO(2)@mSiO(2)@DHIM-NH2 an efficient adsorbent for removing anionic contaminant from water. (C) 2016 The Korean Society of Industrial and Engineering Chemistry. Published by Elsevier B.V. All rights reserved.
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