Vapor-liquid equilibrium in the binary and ternary systems containing Ethyl propionate (cas 105-37-3), ethanol and alkane at 101.3 kPa

Add time:08/14/2019    Source:sciencedirect.com

The vapor-liquid equilibria at 101.3 kPa of seven binary systems: ethanol (1) + cyclohexane (2), ethanol (1) + n-hexane (2), ethanol (1) + n-octane (2), cyclohexane (1) + ethyl propionate (2), n-hexane (1) + ethyl propionate (2), n-octane (1) + ethyl propionate (2) and ethanol (1) + ethyl propionate (2), three ternary systems: ethanol (1) + cyclohexane (2) + ethyl propionate (3), ethanol (1) + n-hexane (2) + ethyl propionate (3) and ethanol (1) + n-octane (2) + ethyl propionate (3) at temperatures from 332.15 to 396.85 K were studied, all the binary VLE data passed the Herington test. Wilson, NRTL and UNIQUAC models were used to correlate experimental VLE data of the all systems to obtain interaction parameters through the MATLAB software and the experimental values were compared with the regression results. The Wilson and NRTL models reproduced the experimental values very well. Ternary VLE behavior were successfully predicted by the correlated binary parameters. The VLE data for the binary and ternary systems predicted by the correlated interaction parameters were in good agreement with all the experimental data.

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