Abstract

AbstractSolubilities and K‐values of urea‐fractionated fish oil fatty acid ethyl esters, prepared from sandeel oil, have been measured in supercritical carbon dioxide experimentally. The measurements were performed at the temperatures of 313.2 and 343.2 K in the pressure range of 8 to 26 MPa. Experimental temperatures, pressures, and densities of the equilibrium phases are tabulated. The K‐values of the ethyl esters of docosahexaenoic acid (DHA), eicosapentaenoic acid (EPA), and oleic acid of the urea‐fractionated mixture are compared with previously published experimental binary and multicomponent data on the same mixture before performing the urea‐fractionation. K‐value data of this type are essential to conceive proper equipment design for separation of the various polyunsaturated ω‐3 fatty acids present in fish oil as esters.

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