Supercritical recovery of eicosapentaenoic acid and docosahexaenoic acid from fish oil
1997
Borch-Jensen, C. | Henriksen, O. | Mollerup, J.
Phase equilibrium measurements in systems of CO2 and fish oil fatty acid ethyl esters (FAEEs) at 70 degrees C are presented. Three different mixtures were investigated, a natural FAEE mixture from the oil of the sand eel (Ammodytes sp.), a urea fractionated mixture prepared from the natural FAEE mixture, and a concentrate of omega 3 FAEEs. The measurements were performed in a static type apparatus making it possible to sample both the vapor and liquid phases. The results presented include solubilities and equilibrium ratios. The experimental results are used to evaluate a process for the recovery of C20:5 omega 3 (EPA) and C22:6 omega 3 (DHA) at 70 degrees C.
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