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MTBE를 포함한 이성분계의 무한희석 활동도계수 및 기액평형
Infinite Dilution Activity Coefficients and Vapor-Liquid Equilibria for the Binary systems Containing MTBE
HWAHAK KONGHAK, October 1995, 33(5), 527-534(8), NONE
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Abstract
45℃에서 MTBE+methanol. MTBE+n-heptane, MTBE+2,2,4-trimethylpentane의 가 이성분계에 대한 무한희석 활동도계수 및 등온 기액평형 데이터를 head space gas chromatography(H.S.G.C)를 이용해서 측정하였다. 무한희석 활동도계수로부터 예측된 기액평형 값은 측정된 값과 잘 부합됨을 고찰하였다. 기액평형 데이터들은 과잉 Gibbs 에너지 모델에 합치시켜서 그 상관관계를 알아보았으며, Redlich-Kister의 적분법에 의한 열역학적 일치성 시험도 수행하였다.
Infinite dilution activity coefficient and isothermal vapor-liquid equilibrium data have been measured for the binary MTBE+methanol, MTBE+n-heptane, MTBE+2,2,4-trimethylpentane systems at 45℃ using head space gas chromatography(H.S.G.C). The vapor-liquid equilibria estimated with infinite dilution activity coefficient are in good agreement measured values. These equilibrium data were correlated with the excess Gibbs energy model, and the thermodynamic consistency test was also carried out by the Redlich-Kister equation.
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Schmidt AP, Chem. Ing. Tech., 50, 537 (1978)
Hussam A, Carr PW, Anal. Chem., 57, 793 (1985)
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Margules MS, S.B. Akad. Wiss. Wien., 104, 1234 (1895)
Wilson GM, J. Am. Chem. Soc., 86, 127 (1964)
Renon H, Prausnitz JM, AIChE J., 14, 135 (1968)
Abrams DS, Prausnitz JM, AIChE J., 21, 116 (1975)
Redilch O, Kister AT, Ind. Eng. Chem., 40, 345 (1948)
Kolb B, J. Chromatogr., 122, 553 (1976)
Pividal KA, Ph.D. Dissertation, Univ. of Delaware, Delaware (1991)
Sim WJ, Daubert TE, Ind. Eng. Chem. Process Des. Dev., 19, 386 (1980)
Park SJ, Rhee BS, HWAHAK KONGHAK, 28(4), 386 (1990)
Gmehling J, Onken U, Arlt W, "Vapor-Liquid Equilibrium Data Collection," DECHEMA, Frankfurt, Germany (1977)
