Lipase Catalyzed Transesterification of Soybean Oil Using Ethyl Acetate, an Alternative Acyl Acceptor
2007
Kim, S.J. (Hongik University, Jochiwon, Republic of Korea) | Jung, S.M. (Hongik University, Jochiwon, Republic of Korea) | Park, Y.C. (Seoul National University, Seoul, Republic of Korea) | Park, K.M. (Hongik University, Jochiwon, Republic of Korea), E-mail: [email protected]
Methanol, the acyl acceptor usually used in the commercial process of biodiesel production, is associated with some problems such as immiscibility with oils and lipase deactivation. To overcome these barriers, ethyl acetate was proposed as an alternative acyl acceptor for the production of biodiesel from soybean oil using an immobilized lipase, Novozym 435. Ethyl acetate mixed well with soybean oil, and only slightly inhibited the lipase activity by 5%. The effects of various environmental parameters, such as the composition of soybean oil and ethyl acetate, lipase content, and reaction temperature, were investigated to determine the optimal conditions for biodiesel production.
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