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Abstract

A process for the carbonate-catalyzed alcoholysis of fatty acid glycerides is disclosed, wherein an alcohol (e.g., a C1-C6 mono-, di- or trialcohol) is reacted with a fatty acid glyceride (e.g., a plant or animal derived triglyceride) at elevated temperatures and superatmospheric pressures to give high yields of the corresponding ester. The preferred catalysts are the alkali metal, alkaline earth metal or zinc carbonates, with calcium carbonate being especially preferred because of its ready availability and physical integrity under reaction conditions. The alcoholysis reaction may be carried out in a single reactor, or on a continuous basis using a plug flow reactor.

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First Claim