Pretreatment of Feedstock with High Free Fatty Acid
2006
Jeong, G.T. (Chonnam National University, Gwangju, Republic of Korea) | Park, D.H. (Chonnam National University, Gwangju, Republic of Korea), E-mail: [email protected]
Fatty acid methyl esters, also referred to as biodiesel, have been determined to have a great deal of potential as substitutes for petro-diesel. In order to enhance productivity in the biodiesel production process, feedstocks were previously recommended to be anhydrous, with a free fatty acid content of less than 0.5%. In this study, the effects of several catalysts, methanol molar ratio, catalyst amount, and reaction time on the reduction of free fatty acid level were studied with a simulated feedstock consisting of 20% oleic acid in rapeseed oil. Ferric sulfate was selected as the best catalyst.
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