Abstract
The extraction of fatty acids and their derivatives from sea buckthorn seeds with supercritical carbon dioxide is experimentally studied. A theoretical model of supercritical extraction of organic oil is constructed. The thermodynamics of dissolution of high-molecular-weight substances under supercritical conditions is described in terms of the Redlich–Kwong equation of state. The diffusion of macromolecules of substances contained in organic oil in seed pores is described using a model of a contracting core. The calculated results are compared to experimental data. The pseudocritical parameters of organic oil and its saturation vapor pressure are estimated.
Published Version
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