Abstract
This work reports isobaric vapor–liquid equilibrium (VLE) data experimentally determined at (50, 75, and 94) kPa and over the temperature range (334 to 364) K together with atmospheric interfacial tensions (IFT) measured at 298.15 K for the binary system composed by ethanol + 2,5-dimethylfuran. VLE determinations were carried out in a dynamic VLE cell, whereas a maximum differential bubble pressure tensiometer was used for performing IFT measurements. According to the experimental results, the binary system ethanol + 2,5-dimethylfuran exhibits positive deviation from ideal behavior and azeotropic behavior can be observed over the whole determined pressure range. The concentration of the azeotrope enriches in ethanol as pressure (and/or temperature) increases. The interfacial tension in turn, exhibits positive deviation from the linear behavior. The reported VLE data of the binary mixture are thermodynamically consistent according to Fredenlund’s test and were well correlated by traditional activity coeffi...
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