C - Chemistry – Metallurgy – 11 – C
Patent
C - Chemistry, Metallurgy
11
C
202/69, 260/483.
C11C 3/10 (2006.01) A23D 9/013 (2006.01) C11B 7/00 (2006.01) C11C 3/08 (2006.01)
Patent
CA 1060465
ABSTRACT OF THE DISCLOSURE Liquid edible oil is produced from palm oil or similar oils and fats. The fatty acid residues are redistributed between two batches of the starting oil by transesterification with (C1-C3)-alkanol esters of fatty acids. One batch is reacted with unsaturated fatty acid esters (first transesterification) and is thereby enriched with unsaturated fatty acid radicals, while the other batch is reacted with saturated esters (second transesteri- fication) and is thereby enriched with saturated fatty acid radi- cals. In both transesterifications a mixture of saturated and unsaturated fatty acid esters is obtained, which is fractionated by vacuum distillation. The saturated esters obtained from the first transesterification are fed into the second one and, con- versely, the unsaturated esters obtained from the second transes- terification are fed into the first one.
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