Kyu-Jin Han

Vapor–liquid equilibria and excess properties for methyl tert-butyl ether (MTBE) containing binary systems

Abstract Methyl tert -butyl ether (MTBE) is recently widely used in the chemical and petrochemical industry as a non-polluting octane booster for gasoline and as an organic solvent. The isobaric or isothermal vapor–liquid equilibria (VLE) were determined directly for MTBE+C 1 –C 4 alcohols. The excess enthalpy ( H E ) for butane+MTBE or isobutene+MTBE and excess volume ( V E ) for MTBE+C 3 –C 4 alcohols were also determined. Besides, the infinite dilute activity coefficient, partial molar excess enthalpies and volumes at infinite dilution ( γ ∞ , H E,∞ , V E,∞ ) were calculated from measured data. Each experimental data were correlated with various g E models or empirical polynomial.