Process for preparing purified fatty acids

Details Process for preparing purified fatty acids Process for preparing purified fatty acids

C - Chemistry, Metallurgy

11

C

C11C 1/00 (2006.01) C11C 1/04 (2006.01) C11C 1/10 (2006.01) C11C 3/10 (2006.01)

Patent

CA 2531958

The present invention relates to a process for preparing fatty acids derived from oils and/pr fats with a phosphorus content below 200ppm in good yield and with good colour and colour stability, which process comprises the steps of (A) hydrolytic splitting of degummed oils and/or fats, (B) at least one thermal pre-treatment of a composition comprising crude fatty acids, and (C) high vacuum distillation of the thermally pre-treated composition comprising crude fatty acids.

L'invention porte sur un procédé de préparation à partir d'huiles et/ou de graisses et avec un bon rendement d'acides gras à teneur en phosphore inférieure à 200ppm, et d'une belle couleur stable. Ledit procédé comporte les étapes suivantes: (A) séparation hydrolytique d'huiles et/ou de graisses démucilaginées; (B) traitement thermique (au moins un) d'une composition d'acides gras bruts; et (C) distillation sous vide poussé de la composition d'acides gras bruts prétraitée thermiquement.

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