Enzymatic Biodiesel Synthesis Using a Byproduct Obtained from Palm Oil Refining
Figure 6
Biodiesel yield and fatty acids conversion in enzymatic esterification of PFAD. All of reactions were carried out for 2.5 h, using 2000 U (esterification activity of lipase), 8 g of PFAD, and 2 g of alcohol added in two steps ( g, g) at 60°C. (a) Methanol; (b) ethanol.