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Adsorption of Gaseous Benzene onto Mesoporous Silicates  

Lee, Chae Young (School of Chemical Engineering and Bioengineering, University of Ulsan)
Moon, Nam Gu (Tae Sung Environmental Institute Co. LTD.)
Chung, Jin Suk (School of Chemical Engineering and Bioengineering, University of Ulsan)
Shin, Eun Woo (School of Chemical Engineering and Bioengineering, University of Ulsan)
Publication Information
Applied Chemistry for Engineering / v.19, no.4, 2008 , pp. 452-456 More about this Journal
Abstract
Mesoporous silicate materials have been used as adsorbents due to the advantage of high specific surface area and regular mesopores. In this study, conventional mesoporous silicates (MCM-41, and SBA-15) were utilized as adsorbents for gaseous benzene, one of volatile organic compounds. In the results of the breakthrough curves of gaseous benzene, SBA-15 showed a higher benzene adsorption capacity in adsorption condition of this study. Especially, compared to benzene adsorption of zeolite X, that of SBA-15 was higher by a factor of 2.7. With increasing adsorption temperature, adsorption capacity for benzene of SBA-15 was decreased rapidly. This indicates that benzene adsorbed weakly on SBA-15.
Keywords
mesoporous silicates; SBA-15; MCM-41; benzene; breakthrough curves;
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