Journal
CHEMICAL ENGINEERING JOURNAL
Volume 198, Issue -, Pages 11-17Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.cej.2012.05.074
Keywords
Magnetic nanoparticles; APS; Polymer; Adsorption; Cationic dyes
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Funding
- 973 Program of the PR of China [2010CB933504]
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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.
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