Isothermal vapor–liquid equilibrium at 333.15 K and excess molar volumes at 298.15 K for the ternary system di-isopropyl ether + n-propyl alcohol + toluene and its binary subsystems |
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Authors: | In-Chan Hwang So-Jin Park Sun-Young Lee Hyo-Sub Ahn |
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Institution: | aDepartment of Chemical Engineering, Chungnam National University, 220 Gung-dong Yuseong-gu, Daejeon 305-764, Republic of Korea |
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Abstract: | Isothermal vapor–liquid equilibrium data at 333.15 K are reported for the ternary system di-isopropyl ether (DIPE) + n-propyl alcohol + toluene and the binary subsystems DIPE + n-propyl alcohol, DIPE + toluene and n-propyl alcohol + toluene by using headspace gas chromatography. The excess molar volumes at 298.15 K for the same binary and ternary systems were also determined by directly measured densities. The experimental binary and ternary vapor–liquid equilibrium data were correlated with different GE models and the excess molar volumes were correlated with the Redlich–Kister equation for the binary systems and the Cibulka equation for the ternary system, respectively. |
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Keywords: | Di-isopropyl ether (DIPE) n-Propyl alcohol Toluene Isothermal vapor– liquid equilibrium Excess molar volumes |
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