Temperature-dependent Correlations for Binary Interaction Coefficients of Alkane- Alcohol Systems through PRSV EOS

Associative compounds such as alcohols usually harden VLE calculations, peculiarly when we are applying conventional thermodynamic methods such as equations of state or activity coefficient models. Therefore, they should be adapted to the nature of these asymmetric compounds. In this paper, various alkane-aliphatic alcohol systems are considered for VLE calculations using the well-known PRSV equation of state. Having optimized the binary interaction coefficient kij by employing 21 sets of experimental data, a series of temperature dependent correlations are obtained accompanying quite acceptable regression factors. An upward uniform trend is observed in the correlations of binary interaction coefficients against rising carbon number of alcohols.

Keywords:

Binary interaction coefficient , Alkane , Alcohol , PRSV , EOS