Research Article

Enzymatic Biodiesel Synthesis Using a Byproduct Obtained from Palm Oil Refining

Figure 4

Effects of enzyme amount on fatty acids conversion after 2.5 h, using 8 g of PFAD and 2 g of ethanol added in two steps (  g,  g) at 60°C. (a) Methanol; (b) ethanol.
814507.fig.004a
(a) Methanol
814507.fig.004b
(b) Ethanol