Common,
nonspecialized group-contribution and corresponding-state
models for the estimation of normal boiling point, critical data,
vapor pressure, liquid density, dynamic viscosity, and surface tension
are reviewed in view of their application to fatty acid ethyl esters
to provide guidelines for practical application of these models in
process engineering. As a result, these properties can be estimated
in a satisfactory manner when choosing an appropriate model, showing
minimum average absolute mean deviations of the normal boiling point
below 5 K (3.4 K for saturated and 4.2 K for unsaturated components),
those of the critical temperature below 3 K (2.3 K for saturated and
1.2 K for unsaturated components), those of the critical pressure
in the region of 50 kPa (54 kPa for saturated and 2.1 kPa for unsaturated
components), and minimum relative mean deviations of saturation pressures
from 2% around the normal boiling point to 15% at extremely low pressures,
those of liquid density below 1%, those of viscosity at a maximum
of 7%, and those of surface tension around 2.4%.
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