Amino ionic liquids-modified magnetic core/shell nanocomposite as an efficient adsorbent for dye removal

被引：34

作者：

Cheng, Jingjing ^{[1
]}

Shi, Lijuan ^{[1
]}

Lu, Jianjun ^{[1
]}

机构：

[1] Taiyuan Univ Technol, Minist Educ & Shanxi Prov, Key Lab Coal Sci & Technol, Taiyuan 030024, Peoples R China

来源：

JOURNAL OF INDUSTRIAL AND ENGINEERING CHEMISTRY | 2016年 / 36卷

基金：

中国国家自然科学基金;

关键词：

Amino ionic liquids; Fe3O4@nSiO(2)@mSiO(2) microspheres; Mesoporous core/shell structure; Dye removal; Magnetic separation; ANIONIC AZO DYES; AQUEOUS-SOLUTION; CATIONIC DYES; METHYLENE-BLUE; ACID DYES; WATER-TREATMENT; WASTE-WATER; NANOPARTICLES; ADSORPTION; SILICA;

D O I：

10.1016/j.jiec.2016.02.004

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

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.

引用

页码：206 / 214

页数：9

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