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

被引：150

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

页码：11 / 17

页数：7

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