The removal of sodium dodecyl benzene sulfonate by activated carbon modified with quaternary ammonium from aqueous solution

被引：0
作者：
Libo Zhang
Yuhang Liu
Shixing Wang
Bingguo Liu
Jinhui Peng
机构：
[1] Kunming University of Science and Technology,State Key Laboratory of Complex Nonferrous Metal Resources Clean Utilization
[2] National Local Joint Laboratory of Engineering Application of Microwave Energy and Equipment Technology,Faculty of Metallurgical and Energy Engineering
[3] Kunming University of Science and Technology,undefined
来源：
Journal of Porous Materials | 2017年 / 24卷
关键词：
Activated carbon; Modification; Selective adsorption; Dye;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Activated carbon (AC) was modified via grafting quaternary ammonium for the selective adsorption of sodium dodecyl benzene sulfonate (SDBS) from aqueous solution. The surface modification of AC was confirmed by FT-IR, XPS and Raman spectroscopy. The results showed that the modified AC selectively adsorbed the anionic SDBS. Adsorption kinetics could be well described by pseudo-second-order kinetic equation (or three-stage intraparticle diffusion mode), adsorption isotherms fitted well with Langmuir model. Quaternary ammonium on AC enhanced electropositivity and led to the selective adsorption of SDBS.
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页码：65 / 73
页数：8
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