METHOD FOR PRODUCTION OF FATTY ACID ESTER

摘要

Disclosed is a method for producing a fatty acid ester, which does not require any catalyst separation process, and enables to allow the transesterification to proceed under mild conditions and at a high reaction rate to thereby produce the fatty acid ester with a high degree of efficiency. A fatty acid ester is produced by the transesterification of an oil-and-fat with an alcohol by using an organic onium salt of sulfonic acid as a catalyst. The organic onium salt which is used as a catalyst can be used in the reaction repeatedly. Unlike a conventional homogeneous alkaline catalyst method, this method does not require any catalyst separation process or any alkaline catalyst and therefore produces no fatty acid soap.