Lipase-catalyzed biodiesel synthesis with different acyl acceptors
2008
Ognjanovic, N.D., Faculty of Technology and Metallurgy, Belgrade (Serbia) | Saponjic, S.V., Faculty of Technology and Metallurgy, Belgrade (Serbia) | Bezbradica, D.I., Faculty of Technology and Metallurgy, Belgrade (Serbia) | Knezevic, Z.D., Faculty of Technology and Metallurgy, Belgrade (Serbia)
The aim of the present work was to investigate novel acyl acceptors for biodiesel production. 2-propanol and n-butanol have a less negative effect on lipase stability, and they also improve low temperature properties of the fuel. However, excess alcohol leads to inactivation of the enzyme, and glycerol, a major byproduct, can block the immobilized enzyme, resulting in low enzymatic activity. This problem was solved by using methyl acetate as acyl acceptor. Triacetylglycerol is produced of glycerol, and it has no negative effect on the activity of the lipase.
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