Effect of template in MCM-41 on the adsorption of aniline from aqueous solution

被引：55

作者：

Yang, Xinxin ^{[1
]}

Guan, Qingxin ^{[1
]}

Li, Wei ^{[1
]}

机构：

[1] Nankai Univ, Coll Chem, Key Lab Adv Energy Mat Chem, Minist Educ, Tianjin 300071, Peoples R China

来源：

JOURNAL OF ENVIRONMENTAL MANAGEMENT | 2011年 / 92卷 / 11期

基金：

中国国家自然科学基金;

关键词：

Adsorption; Aniline; MCM-41; Template; MESOPOROUS MCM-41; MOLECULAR-SIEVES; ADSORBENT; BIODEGRADATION; EQUILIBRIUM; CATALYSTS; PHENOL; AIR;

D O I：

10.1016/j.jenvman.2011.07.006

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

The effect of the surfactant template cetyltrimethylammonium bromide (CAB) in MCM-41 on the adsorption of aniline was investigated. Various MCM-41 samples were prepared by controlling template removal using an extraction method. The samples were then used as adsorbents for the removal of aniline from aqueous solution. The results showed that the MCM-41 samples with the template partially removed (denoted as C-MCM-41) exhibited better adsorption performance than MCM-41 with the template completely removed (denoted as MCM-41). The reason for this difference may be that the C-MCM-41 samples had stronger hydrophobic properties and selectivity for aniline because of the presence of the template. The porosity and cationic sites generated by the template play an important role in the adsorption process. The optimal adsorbent with moderate template was achieved by changing the ratio of extractant; it has the potential for promising applications in the field of water pollution control. (C) 2011 Elsevier Ltd. All rights reserved.

引用

页码：2939 / 2943

页数：5

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