(190g) Isobaric Vapor-Liquid Equilibria of Systems Containing N-Alkanes and Alkoxyethanols
AIChE Annual Meeting
2008
2008 Annual Meeting
Engineering Sciences and Fundamentals
Poster Session: Thermodynamics and Transport Properties
Monday, November 17, 2008 - 6:00pm to 8:30pm
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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