Efficient removal of cationic dyes from aqueous solution by polymer-modified magnetic nanoparticles

被引：152
作者：
Ge, Fei [1 ]
Ye, Hui [1 ]
Li, Meng-Meng [1 ]
Zhao, Bao-Xiang [1 ]
机构：
[1] Shandong Univ, Sch Chem & Chem Engn, Inst Organ Chem, Jinan 250100, Peoples R China
来源：
CHEMICAL ENGINEERING JOURNAL | 2012年 / 198卷
关键词：
Magnetic nanoparticles; APS; Polymer; Adsorption; Cationic dyes; HEAVY-METAL IONS; LOW-COST ADSORBENTS; NANO-ADSORBENT; WASTE-WATER; METHYLENE-BLUE; COLOR REMOVAL; BASIC-DYES; ADSORPTION; POLLUTANTS; CHITOSAN;
D O I：
10.1016/j.cej.2012.05.074
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
We explored the removal of cationic dyes - crystal violet, methylene blue and alkali blue 6B - from water solution by adsorption with magnetic nanoparticles (MNPs) modified with 3-aminopropyltriethoxysilane and copolymers of acrylic acid and crotonic acid. The noval magnetic nanoparticles was characterized by transmission electron microscopy, X-ray diffraction, infra-red spectra and thermogravimetric analysis. The cationic dyes could be quickly removed from water solution with high efficiency at pH 5-12. More significantly, the MNP showed high efficiency as a reusable adsorbent for fast and convenient removal of cationic dyes from water solution. (C) 2012 Elsevier B.V. All rights reserved.
引用
收藏
页码：11 / 17
页数：7
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