Enzymatic Biodiesel Synthesis Using a Byproduct Obtained from Palm Oil Refining
Figure 3
Effects of alcohol amount on fatty acids conversion after 2.5 h of reaction, using a stepwise addition of alcohol (two consecutive alcohol additions, i.e. 1/2 of alcohol added at time 0 and 1/2 after 30 minutes), 3 wt.% of commercial lipase, and 8 g of PFAD at 60°C. (a) Methanol; (b) ethanol.
