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| - Vapor−Liquid Equilibrium for Binary System of Diethyl Sulfide + n-Heptaneand Diethyl Sulfide + 2,2,4-Trimethylpentane at (363.15 and 353.15) K
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| - Isothermal vapor−liquid equilibrium (VLE) for diethyl sulfide + n-heptane and diethyl sulfide + 2,2,4-trimethylpentane at (363.15 and 353.15) K were measured with a circulation still. Maximum pressure azeotropeswere found in both systems. The experimental results were correlated with the temperature-dependent Wilsonmodel and also compared with the original UNIFAC and COSMO-RS predictive models. The measured diethylsulfide + n-heptane VLE have been used simultaneously with the excess enthalpy from literature for a correlationof temperature-dependent Wilson parameters. Analyses of liquid- and vapor-phase composition were determinedwith a gas chromatograph and a refractometer. All VLE measurements passed the three thermodynamic consistencytests used.
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