Research Article

Supercritical Phase Equilibria Modeling of Glyceride Mixtures and Carbon Dioxide Using the Group Contribution EoS

Table 5

Supercritical CO2 fractionation of a glyceride mixture: comparison between the experimental and calculated compositions of MGs, DGs, and TGs in the residue.

Ext.S/F (K) (MPa)Composition of residue, % weight (fatty acid ethyl esters and CO2-free basis)
ExperimentalGC-EoS prediction
MGsDGsTGsMGsDGsTGs

1153331828.455.416.130.253.116.7
2153332025.256.118.727.954.317.9
3153332223.956.719.424.855.419.8
4153131623.553.523.026.354.319.4
5203131823.057.120.018.257.024.8
6203332521.257.821.012.858.828.4
7203532518.859.321.924.456.519.1
8203682521.557.321.228.454.617.0