Importance

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Abstract

Process for the preparation of vulnerable oil wherein degummed and neutralized vulnerable oil is subjected to bleaching and thereafter subjected to filtration, characterized in that in the process one or more, preferably two or more, more preferably three or more and most preferably all four of the following steps a)-d) are included: a) bleaching involves both a wet step and a dry step; b) filtration is conducted in re-circulation until the filtrate has a turbidity of 0.2 FTU or less, preferably 0.1 FTU or less, before filtration of the vulnerable oil is commenced; c) after filtration the vulnerable oil is subjected to a second filtration to a turbidity of 0.1 FTU or less; d) the deodorization is conducted at a temperature of 190.degree. C. or less until 5-20, preferably 8-20 m3 gas/kg oil is passed through the vulnerable oil.

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First Claim