Correlation of vapor-liquid equilibria and saturated densities of binary mixtures by the generalized Scott-Fuller-Soave-Redlich-Kwong equation of state

A new cubic type of Scott-Fuller-Soave-Redlich-Kwong equation of state (SFS RK EOS) has been proposed to calculate both vapor-liquid equilibria and sat urated densities of vapor and liquid phases. The parameters of the proposed EOS are given for each pure substance. In this study, the parameters were generalized, based on the critical properties and the acentric factor, for several components representative of LNG. Furthermore, by adopting the expo nent type mixing rules for the parameters, both the vapor-liquid equilibria and the saturated densities of vapor and liquid phases for binary mixtures were correlated using the SFSRK EOS. The calculated results show a good co rrelation with observations, especially for the liquid phase densities.