An efficient and reusable quaternary ammonium fabric adsorbent prepared by radiation grafting for removal of Cr(VI) from wastewater
Pang, LJ; Hu, JT; Zhang, MJ; Yang, CG; Wu, GZ
2018
发表期刊ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH
ISSN0944-1344
卷号25期号:11页码:11045-11053
文章类型期刊论文
摘要A novel quaternary ammonium polyethylene nonwoven fabric for removing chromium ions from water was prepared via radiation-induced grafting of glycidyl methacrylate and further modification with N,N'-dimethylethylenediamine. The structural and morphological characteristics of the adsorbent were analyzed using Fourier transform infrared spectroscopy (FTIR), thermogravimetry and differential thermogravimetry (TG/DTG), scanning electron microscopy (SEM), and X-ray photoelectron spectroscopy (XPS). The influences of several principal factors, including pH value, initial Cr(VI) concentration, contact time, and coexisting anions (including SO4 (2-), CO3 (2-), NO3 (-), PO4 (3-), and Cl-), on adsorption performance were investigated via batch tests. The results showed that the optimum removal efficiency was 99.2% at pH 3 and the maximum adsorption quantity for Cr(VI) at 25 degrees C was 336 mg/g. The adsorption kinetic parameters were better fitted with the pseudo-second-order kinetic model, and the equilibrium data were described very well by the Freundlich isotherm model. Furthermore, the as-synthesized adsorbent exhibited excellent regeneration and recyclability while maintaining high adsorption performance after five adsorption/desorption cycles.
关键词Hexavalent Chromium Removal Layered Double Hydroxides Aqueous-solution Heavy-metal Congo Red Adsorption Performance Fibrous Adsorbent Ions Vi Composite
DOI10.1007/s11356-018-1355-1
收录类别SCI
语种英语
WOS记录号WOS:000429810200080
引用统计
被引频次:1[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.sinap.ac.cn/handle/331007/28925
专题中科院上海应用物理研究所2011-2018年
作者单位1.Pang, LJ
2.Hu, JT
3.Zhang, MJ
4.Yang, CG
5.Wu, GZ
推荐引用方式
GB/T 7714
Pang, LJ,Hu, JT,Zhang, MJ,et al. An efficient and reusable quaternary ammonium fabric adsorbent prepared by radiation grafting for removal of Cr(VI) from wastewater[J]. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH,2018,25(11):11045-11053.
APA Pang, LJ,Hu, JT,Zhang, MJ,Yang, CG,&Wu, GZ.(2018).An efficient and reusable quaternary ammonium fabric adsorbent prepared by radiation grafting for removal of Cr(VI) from wastewater.ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH,25(11),11045-11053.
MLA Pang, LJ,et al."An efficient and reusable quaternary ammonium fabric adsorbent prepared by radiation grafting for removal of Cr(VI) from wastewater".ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH 25.11(2018):11045-11053.
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