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Received March 29, 2012
Accepted August 10, 2012
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Isothermal vapor-liquid equilibria for the binary systems of ethylene glycol monopropyl ether with 2,2-dimethylbutane and 2,3-dimethylbutane
School of Chemical & Biological Engineering and Institute of Chemical Processes, Seoul National University, 559, Gwanak-ro, Gwanak-gu, Seoul 151-744, Korea 1Environmental System Engineering, Kimpo College, San 14-1, Ponae-ri, Wolgot-myun, Gyounggi-do, Kimpo 415-761, Korea
Korean Journal of Chemical Engineering, February 2013, 30(2), 434-439(6), 10.1007/s11814-012-0129-6
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Abstract
Isothermal vapor liquid equilibria for the binary system of ethylene glycol monopropyl ether with 2,2-dimehylbutane and 2,3-dimethylbutane were measured in a circulating water bath at 303.15, 318.15, and 333.15 K. The apparatus was in-house designed and manufactured. Consistency testing of the apparatus was done by comparing the measured vapor pressures to the calculated vapor pressures from the Antoine equation. The measured systems were correlated with a Peng-Robinson equation of state (PR) combined with Wong-Sandler mixing rule for the vapor phase,_x000D_
and NRTL, UNIQUAC, and Wilson activity coefficient models for the liquid phase. All the measured systems showed good agreement with the correlation results.
Keywords
References
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