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Correlations Between Pore Structure of Activated Carbon and Adsorption Characteristics of Acetone Vapor  

Lee, Song-Woo (Department of Chemical Engineering, Pusan National University)
Bae, Sang-Kyu (Department of Chemical Engineering, Pusan National University)
Kwon, Jun-Ho (Department of Chemical Engineering, Pusan National University)
Na, Young-Soo (Segye Chem.Co., Ltd.)
An, Chang-Doeuk (Segye Chem.Co., Ltd.)
Yoon, Young-Sam (Nakdong River Water Environment Laboratory, National Institute of Environmental Research)
Song, Seung-Koo (Department of Chemical Engineering, Pusan National University)
Publication Information
Journal of Korean Society of Environmental Engineers / v.27, no.6, 2005 , pp. 620-625 More about this Journal
Abstract
This study is to investigate the correlation between pore structures of activated carbons and adsorption characteristics of acetone vapor using the dynamic adsorption method. The experimental results showed that the breakthrough time of ACT activated carbon made by Takeda was the longest, because ACT has more micropores below pore diametr $10{\AA}$ than the compared activated carbons. The equilibrium adsorption capacity had direct correlation to the breakthrough time. The relation between BET specific surface area and the equilibrium adsorption capacity was hard to say linear. Therefore, it was difficult to estimate the adsorption ability of activated carbons only by BET specific surface area. The correlation factor between the cumulative surface area and the equilibrium adsorption capacity decreased with enlarging the range of pore size, and there was the highest correlation factor in the range of below $10{\AA}$.
Keywords
Activated Carbon; Adsorption; Acetone Vapor; Breakthrough Time; Pore Structure;
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