Process for producing fatty-acid lower-alkyl mono-esters
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United States of America Patent
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May 26, 1992
Grant Date -
N/A
app pub date -
Apr 3, 1990
filing date -
Apr 5, 1989
priority date (Note) -
Expired
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Abstract
The invention pertains to the production of high-purity fatty-acid lower-alkyl mono-esters which comprises a first transesterification step between glycerol fatty-acid esters and a lower alcohol, a separation step wherein the reaction product of the esterification step is separated into glycerol-rich and fatty-acid lower-alkyl mono-ester rich fractions, a second esterification step in which all glycerol and fatty-acid glycerolesters of the fatty-acid lower-alkyl mono-ester rich fraction are esterified to the corresponding fatty-acid triglycerolesters, and a recovery step wherein said fatty-acid lower-alkyl mono-esters are recovered.
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