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Development of an Amphiphilic Matrix for Immobilization of Candida antartica Lipase B for Biodiesel Production
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Development of an Amphiphilic Matrix for Immobilization of Candida antartica Lipase B for Biodiesel Production
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Development of an Amphiphilic Matrix for Immobilization of Candida antartica Lipase B for Biodiesel Production
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Journal Article
Development of an Amphiphilic Matrix for Immobilization of Candida antartica Lipase B for Biodiesel Production
2010
Overview
Biodiesel has been greatly interested as an alternative fuel and is produced by a transesterification reaction of oil with alcohol. Recently, microbial lipases have been used for biodiesel production. Among the microbial lipase, immobilized Candida antartica lipase B (CALB) is the most widely used. However, CALB is unstable and shows low catalytic efficiency in the reaction media because the reaction media contains a high concentration of methanol and the lipase is also inhibited by the by-product glycerol. In this study, to overcome these limitations, we developed an amphiphilic matrix to immobilize CALB. The immobilized lipase in an amphiphilic matrix with 80% ethyltrimethoxysilane (ETMS) in tetramethoxysilane (TMOS) and pretreated with oil showed the highest specific activity and biodiesel conversion ratio; about 90% biodiesel conversion in 24 h at an initial molar ratio of 1 : 1 (oil : methanol) with stepwise methanol feeding in order to adjust the net molar ratio to be 1 : 3.
Publisher
The Korean Society for Biotechnology and Bioengineering,Springer Nature B.V,한국생물공학회
Subject
