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

Table 3

Standard deviations obtained in the regression of GC-EoS model parameters using 𝛾^∞ data.

Regression of the alcohol-TG interaction parameters	N	Δ𝛾%^a
ethanol, 1-propanol, 1-butanol, isopropanol, isobutanol in tripalmitin	15	9.9
ethanol, 1-propanol, 1-butanol in tristearin	6	7.4
ethanol, 1-propanol, 1-butanol in triolein	9	7.1
ethanol, 1-propanol, 1-butanol, 1-pentanol in trilinolein	12	8.1
Regression of monopalmitin and dipalmitin dc values	N	Δ𝛾%^a
ethanol, 1-propanol, 1-butanol, isopropanol, isobutanol in monopalmitin	15	18.5
n-hexane, n-heptane in monopalmitin	6	11.8
ethanol, 1-propanol, 1-butanol, isopropanol, isobutanol in dipalmitin	15	26.1
n-hexane, n-heptane in dipalmitin	6	11.1

^aΔ𝛾^∞%=100⋅∑[(𝛾^∞)_𝑖^exp−(𝛾^∞)^cal_𝑖/(𝛾^∞)_𝑖^exp]²/𝑁.