Process for autocatalytic esterification of fatty acids

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United States of America Patent

PATENT NO 9085547
APP PUB NO 20140039206A1
SERIAL NO

14111398

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Abstract

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The present invention relates to a process for isolation of micronutrients from deodorizer distillate comprising free fatty acids, the process comprises the following steps: (i) treating the deodorizer distillate in an esterification step with glycerol, which esterification step is autocatalyzed, producing a feedstock of acyl glycerides, and discharging excess of glycerol and produced water; (ii) transferring the feedstock of acyl glycerides having a water content less than 1500 ppm and a free fatty acid content less than 3 wt % to a transesterification step and treating the feedstock of acyl glycerides with methanol to produce a crude biodiesel product; and (iii) refining the crude biodiesel product in a distillation step, and separating the crude biodiesel product into three fractions 1) fatty acid methyl esters, 2) micronutrient rich product comprising tocopherol, and 3) light hydrocarbons.

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Patent Owner(s)

Patent OwnerAddress
ALFA LAVAL CORPORATE AB221 00 LUND

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Jonsson, Susanne Linköping, SE 1 9
Sarup, Bent Fredensborg, DK 9 31

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