Isobaric vapor–liquid equilibria for the n-hexane + 2-ISOPROPOXYETHANOL (cas 109-59-1) and n-heptane + 2-ISOPROPOXYETHANOL (cas 109-59-1) systems

Add time:08/20/2019    Source:sciencedirect.com

Vapor–liquid equilibria (VLE) for the n-hexane + 2-isopropoxyethanol and n-heptane + 2-isopropoxyethanol (at 60, 80, and 100 kPa) systems were measured. Two systems present positive deviations from ideal behavior. And the system n-heptane + 2-isopropoxyethanol shows a minimum boiling azeotrope at all pressures. Experimented data have been correlated with the two term virial equation for vapor-phase fugacity coefficients and the three suffix Margules equation, Wilson, NRTL, and UNIQUAC equations for liquid-phase activity coefficients. Experimental VLE data show excellent agreements with models.

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