Abstract:
A process for the conversion of a feedstock containing one or more fatty acid triglycerides to a mixture containing one or more fatty acid alkyl esters and t-alkyl glycerols, including reacting the feedstock with a compound of formula (I): R—O—RI (I) wherein:RI is an alkyl, alkenyl or alkynyl having 1-18 carbon atoms;R is H or a tertiary alkyl group, wherein the reaction takes place in the presence of an acid transesterification catalyst by irradiation with microwaves and/or ultrasound and/or radio waves.