Elv of the binary mixtures carbonate with secondary alcohols at 101.3 kPa

摘要

In this communication isobaric vapour-liquid equilibria (VLE) have been experimentally determined for the binary systems 2-propanol and 2-butanol with dimethyl carbonate (DMC) at 101.3 kPa over the entire composition range. The activity coefficients were found to be thermodynamically consistent and were satisfactorily correlated with the Wilson and UNIQUAC equations. Interaction parameters related to the carbonate group (-OCOO-) and alkanes and alcohols, in ASOG and UNIFAC models, have been determined previously using our VLE data and they were applied in the predictive models. The experimental results agree with the calculated VLE using the new ASOG and UNIFAC parameters.