Research Article

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

Table 4

Pure component parameters of lipid-type substances.

a (K) b (bar) (cm3/mol) from data (cm3/mol) from vapor pressure data [33]

Ethyl oleate784.210.58.151
triacetin742.831.15.9695.617
tripalmitin1020.35.111.43911.649
tristearin1042.34.511.98612.677
triolein1043.34.511.839
trilinolein1044.34.911.640
monopalmitin850.712.77.9358.077
monoolein874.211.9
dipalmitin942.78.19.539
diolein989.88.810.493c

aFedors group contribution approach [22].
bFrom (A.5) of the appendix.
cFrom solubility data in SCCO2 [10, 12].