In-line dewaxing of edible vegetable oils

Details In-line dewaxing of edible vegetable oils In-line dewaxing of edible vegetable oils

C - Chemistry, Metallurgy

11

B

260/498

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

Patent

CA 1261874

ABSTRACT OF THE DISCLOSURE A method for the combined in-line bleaching and dewaxing of vegetable oils which includes the steps of bleaching the vegetable oil with a sufficient amount of bleaching clay and filter aid at a temperature of about 80- 130°C for about 15-60 minutes, followed by rapid cooling of the bleached vegetable oil containing the bleaching clay, to a temperature of about 0-15°C for about 15 minutes to 4 hours to thereby dewax the vegetable oil. The spent bleaching clay, waxy material and other impurities in the vegetable oil are then separated at low temperatures of about 0-20°C by such means as filtration, to thereby recover the bleached and dewaxed vegetable oil. 27

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