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Received August 6, 2007
Accepted January 27, 2008
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Adsorption characteristics of binary vapors among acetone, MEK, benzene, and toluene
Division of Applied Chem. Eng, Pukyong National University, Busan 608-739, Korea 1School of Environ. Science & Engineering, Inje University, Gyungnam 621-749, Korea
mglee@pknu.ac.kr
Korean Journal of Chemical Engineering, September 2008, 25(5), 1154-1159(6), 10.1007/s11814-008-0190-3
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Abstract
Adsorption dynamics of single and binary vapor systems on the activated carbon bed were studied by using acetone, methylethyketone (MEK), benzene, and toluene. Relationships between the equilibrium adsorption capacity and the characteristics of vapors such as molecular weight, density, boiling point, vapor pressure, molecular diameter, and polarity index were also investigated. From breakthrough experiments, toluene had the strongest affinity with activated_x000D_
carbon in the single and binary vapor systems. The shape of the breakthrough curves of vapor with higher affinity in the binary system was similar to that of the single vapor. On the other hand, the vapor with lower affinity showed a roll-up phenomenon, but the level of roll-up became lower and wider with the increase in fraction in the binary system.
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References
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