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.
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