Kao Corporation

Katsutoshi Yamamoto

Takanobu Katayama

Osamu Tabata

Taku Mimura

Nobuhiro Tatsumi

Noriaki Fukuoka

Taichi Homma

Yuichiro Seki

Nobuhiko Okada

Kazuyuki Harima

A method for producing a fatty acid ester through desulfurization of sulfur from a fatty acid ester using a catalyst,

Production method of fatty acid ester

The present invention relates to a process for producing fatty acid alkyl esters from fats/oils and a C1 to C5 lower alcohol as reaction starting materials with a solid catalyst, wherein the starting materials and reaction products in a reaction system where the degree of conversion of fats/oils is 50 mol % or more are reacted in such a state as to be in one-liquid phase, or the starting materials and reaction products in a reaction system at a stage with the highest degree of conversion of fats/oils are reacted in such a state as to be in one-liquid phase.

Process for producing fatty acid esters

The present invention provides a process for producing lower alkyl fatty esters from fatty acids and lower alcohols, wherein lower alkyl fatty esters are produced in higher yield with a reduction in the amount of the remaining fatty acids. The process of the present invention comprises bringing fatty acids into contact with gaseous lower alcohols in fixed bed(s) charged with a weakly acidic solid catalyst by countercurrent operation, by co-current operation and subsequent countercurrent operation or by pseudo-countercurrent operation, thus feeding and reacting the fatty acids and lower alcohols in fixed-bed reactor(s) charged with a weakly acidic solid catalyst to produce lower alkyl fatty esters.

Process for producing lower alkyl fatty esters

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Wakayama, Japan

Katsutoshi Yamamoto