Preparation and evaluation of a novel surface-imprinted polymer for selective adsorption of dibenzothiophene

被引：24

作者：

Xu, Wanzhen ^{[1
]}

Zhou, Wei ^{[1
]}

Huang, Weihong ^{[1
]}

Pan, Jianming ^{[2
]}

Li, Hui ^{[1
]}

Wu, Xiangyang ^{[1
]}

Yan, Yongsheng ^{[2
]}

机构：

[1] Jiangsu Univ, Sch Environm, Zhenjiang 212013, Peoples R China

[2] Jiangsu Univ, Sch Chem & Chem Engn, Zhenjiang 212013, Peoples R China

来源：

MICROCHIMICA ACTA | 2011年 / 175卷 / 1-2期

基金：

中国博士后科学基金;

关键词：

Surface molecular imprinted polymer; Dibenzothiophene; Potassium hexatitanate whisker; Adsorption; OXIDATIVE DESULFURIZATION; AQUEOUS-SOLUTION; KINETICS; EQUILIBRIUM; THERMODYNAMICS; CHITOSAN; VIOLET;

D O I：

10.1007/s00604-011-0661-9

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

We have prepared a novel surface molecular imprinted polymer (S-MIP) using dibenzothiophene (DBT) as the template molecule, 4-vinylpyridine as the functional monomer, and potassium hexatitanate whisker as the carrier. The S-MIP was characterized by Fourier transform infrared spectroscopy and and scanning electron microscopy. The kinetics and isotherms for the adsorption of DBT on the S-MIP followed pseudo-second-order and Freundlich models, respectively. Thermodynamic parameters were determined. The overall adsorption process was endothermic and spontaneous. Selectivity studies showed that the S-MIP selectively adsorbs DBT over its structural analogs and can be regenerated. Its adsorption capacity was still at 84.8% at the sixth cycle.

引用

页码：167 / 175

页数：9

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