A solid superacid catalyst was evaluated for the production of fatty acid methyl esters (FAMEs) from acid oil containing about 60 wt.% free fatty acids. It was demonstrated that /ZrO2-TiO2/La3+ was an effective catalyst for simultaneous transesterification and esterification. The optimization...

A new type of solid superacid catalyst with the composition of /ZrO2-TiO2 loaded with lanthanum was prepared by precipitation and impregnation. The catalytic performance for the synthesis of fatty acid methyl ester from fatty acid and methanol was investigated. The influences of preparation...