Journal
JOURNAL OF HAZARDOUS MATERIALS
Volume 347, Issue -, Pages 160-167Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.jhazmat.2017.12.037
Keywords
Water purification; Adsorption; Disinfection; Multi-functionality
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Funding
- National Natural Science Foundation of China [51573079, 21504045]
- Fundamental Research Funds for the Central Universities from Nanjing University of Science and Technology [30915012202, 30916014102]
- Priority Academic Program Development of Jiangsu Higher Education Institutions (PAPD, China)
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It is of great practical importance but rarely reported to design a multifunctional scavenger for water purification. In this study, we describe a sophisticated preparation of an inorganic/organic composite sample for the simultaneous removal of anionic dyes and metal ions, as well as disinfection. The sample has a stable structure formed by the covalent connection between a magnetic silica (MS) core and a polyethylenimine derived quaternary ammonium compound (QAC) corona. We characterized the sample in details by SEM, TEM, EDX, FT-IR, XRD, TGA, VSM, and zeta potential. Our QAC-MS sample exhibited superior performance and reusability in the disinfection and adsorption experiments towards acid fuchsin and Cu2+. With the virtue of easy separation from solution, our sample should be an ideal candidate for water purification application. (C) 2017 Elsevier B.V. All rights reserved.
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