Purification process

Details Purification process Purification process

C - Chemistry, Metallurgy

11

B

260/498, 260/496

C11B 3/10 (2006.01) A23J 7/00 (2006.01) C11B 3/00 (2006.01)

Patent

CA 1092148

ABSTRACT OF THE DISCLOSURE Glyceride oil compositions are refined by con- tacting them in solution in an organic solvent under pressure with a semi-permeable membrane to separate constituents of different molecular weights into retentate and permeate fractions. The composition before said separation or at least one of said fractions after said separation is contacted in solution in a non-polar solvent, with a metal oxide or metalloid oxide adsorbent in a column, Optionally the oil can be subjected to a bleaching and/or a deodorizing treatment. This process allows glyceride oil compositions to be refined by purely physical means, avoiding contact of the composition with chemicals, which may harm the quality of the composition.

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