Adsorption of benzene onto mesoporous silicates modified by titanium

被引:1
作者
Thuy-Duong Nguyen-Phan
Chae Young Lee
Jin Suk Chung
Eun Woo Shin
机构
[1] University of Ulsan,School of Chemical Engineering and Bioengineering
来源
Research on Chemical Intermediates | 2008年 / 34卷
关键词
Titanium; benzene adsorption; SBA-15; adsorption temperature;
D O I
暂无
中图分类号
学科分类号
摘要
Mesoporous molecular sieve SBA-15 modified by titanium has been utilized for removing organic pollutants, such as benzene, from air. Titanium was impregnated inside SBA-15 by wetness impregnation after synthesis of SBA-15 (impregnation method) or was doped into the SBA-15 framework by the direct addition of Ti precursor into the sol during synthesis (doping method). In the breakthrough curves for gas-phase benzene adsorption, Ti addition into SBA-15 resulted in the enhancement of benzene adsorption capacity, depending on Ti loading amounts. An increase in adsorption temperature remarkably reduced the benzene adsorption capacity, indicating that the interaction between benzene and the materials was weak.
引用
收藏
页码:743 / 753
页数:10
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