Abstract
The enzymatic alcoholysis of soybean oil with methanol and ethanol was investigated using a commercial, immobilized lipase (Lipozyme RM IM). The effect of alcohol (methanol or ethanol), enzyme concentration, molar ratio of alcohol to soybean oil, solvent, and temperature on biodiesel production was determined. The best conditions were obtained in a solvent-free system with ethanol/oil molar ratio of 3.0, temperature of 50°C, and enzyme concentration of 7.0% (w/w). Three-step batch ethanolysis was most effective for the production of biodiesel. Ethyl esters yield was about 60% after 4 h of reaction.
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Bernardes, O.L., Bevilaqua, J.V., Leal, M.C.M.R., Freire, D.M.G., Langone, M.A.P. (2007). Biodiesel Fuel Production by the Transesterification Reaction of Soybean Oil Using Immobilized Lipase. In: Mielenz, J.R., Klasson, K.T., Adney, W.S., McMillan, J.D. (eds) Applied Biochemistry and Biotecnology. ABAB Symposium. Humana Press. https://doi.org/10.1007/978-1-60327-181-3_10
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DOI: https://doi.org/10.1007/978-1-60327-181-3_10
Publisher Name: Humana Press
Print ISBN: 978-1-60327-180-6
Online ISBN: 978-1-60327-181-3
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