Method for purification of botanical oil without producing...

C - Chemistry – Metallurgy – 11 – B

Patent

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C11B 3/10 (2006.01) C11C 3/12 (2006.01)

Patent

CA 2635540

Disclosed is a process for production of a plant oil without producing any trans-type fatty acid as a by-product. The process comprises the steps of: (1) introducing a raw oil prepared by squeezing a plant seed into a column having activated charcoal filled therein from the upper part of the column; (2) allowing the raw oil to migrate in the column by the action of gravity toward the lower part of the column and discharging the raw oil from the column through a filter cloth placed adjacent to the bottom of the activated charcoal layer, wherein the filter cloth has a pore size of 13 to 45 µm; and (3) introducing the oil discharged from the column into an activated charcoal separator having a filter with a pore size of 3 to 7 µm to remove an oil having no activated charcoal micropowder from the separator by the action of a sucking force.

La présente invention concerne un procédé de production d'une huile végétale ne créant aucun acide gras de type trans comme sous-produit. Le procédé comprend : (1) l'introduction d'une huile brute préparée en pressant une graine végétale dans une colonne remplie de charbon actif par la partie supérieure de la colonne ; (2) la migration gravitaire de l'huile brute vers la partie inférieure de la colonne et l'évacuation de l'huile brute de la colonne par une toile filtrante adjacente au fond de la couche de charbon actif, ladite toile filtrante présentant une dimension de pores allant de 13 à 45 µm ; et (3) l'introduction de l'huile évacuée de la colonne dans un séparateur à charbon actif comprenant un filtre avec une dimension de pores allant de 3 à 7 µm afin d'en extraire une huile exempte de micropoudre de charbon actif par l'action d'une force d'aspiration.

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