Magnetically recoverable cross-linked polyethylenimine as a novel adsorbent for removal of anionic dyes with different structures from aqueous solution
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- 作者：Bo Chen ; Yang Liu ; Sijiang Chen ; Xuesong Zhao ; Xiangqi Meng ; Xuejun Pan ; xjpan@kmust.edu.cn" class="auth_mail" title="E-mail the corresponding author
- 关键词：Magnetic ; Polyethylenimine (PEI) ; Adsorption ; Removal ; Anionic dyes
- 刊名：Journal of the Taiwan Institute of Chemical Engineers
- 出版年：2016
- 出版时间：October 2016
- 年：2016
- 卷：67
- 期：Complete
- 页码：191-201
- 全文大小：2908 K
文摘
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Novel magnetic cross-linked polyethylenimine (MPEI) composites were successfully synthesized via a simple chemical reaction.
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The MPEI composites showed dramatic adsorptive affinity to anionic dyes with different structures.
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The electrostatic attraction between the MPEI composites and anionic dyes was the main adsorption mechanism.
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The as-obtained material could be reused for the model textile effluent without a significant efficiency loss.
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The highly stable MPEI could be used as a promising adsorptive material for the treatment of dyes-bearing wastewater.