Coconut oil having 12.8% free fatty acid (FFA) was used as a feedstock to produce biodiesel by a two-step process. In the first step, FFA level of the coconut oil was reduced to 0.6% by acid-catalyzed esterification. In the second step, triglycerides in product from the first step were...

Recently, jatropha curcas methyl ester (biodiesel) as a potential substitute to petrol diesel has prompted many researchers around the world to carry out extensive investigation. This is because jatropha curcas oil is non-edible that can be easily grown in a harsh environment and the seeds of...