Evolution of Fe3+-hydrogel for catalytic reduction of 4-nitrophenol

被引：0
|
作者：
Yian Zheng
Yongfeng Zhu
Aiqin Wang
机构：
[1] Chinese Academy of Sciences,Center of Eco
[2] Key Laboratory for Environment Pollution Prediction and Control (Gansu Province),materials and Green Chemistry, Lanzhou Institute of Chemical Physics
[3] College of Earth and Environment Sciences,undefined
[4] Lanzhou University,undefined
[5] University of Chinese Academy of Sciences,undefined
来源：
Colloid and Polymer Science | 2015年 / 293卷
关键词：
Granular hydrogel; Size-confined reactor; Ion crosslinking; Catalytic reduction; 4-Nitrophenol;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
A granular hydrogel was prepared under ambient conditions using chitosan as the graft backbone, acrylic acid as the monomer, and ascorbic acid/hydrogen peroxide (Vc/H2O2) as the redox initiator, and then crosslinked with Fe3+ ions. The resulting Fe3+-hydrogel was tested for the catalytic reduction of 4-nitrophenol (4-NP), with the finding that in the presence of NaBH4 and an inert atmosphere, 5 mg/L 4-NP can be completely reduced by Fe3+-hydrogel within 30 min. Also, Fe3+-hydrogel exhibits an excellent reusability for ten successive catalytic cycles.
引用
收藏
页码：2009 / 2016
页数：7
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