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Enzymatic coproduction of biodiesel and glycerol carbonate from soybean oil in solvent-free system
- Authors
- Go, A-Ra; Lee, Youngrak; Kim, Young Hwan; Park, Sehkyu; Choi, Joongso; Lee, Jinwon; Han, Sung Ok; Kim, Seung Wook; Park, Chulhwan
- Issue Date
- 15-Aug-2013
- Publisher
- ELSEVIER SCIENCE INC
- Keywords
- Biodiesel; Glycerol carbonate; Novozym 435; Solvent-free system
- Citation
- ENZYME AND MICROBIAL TECHNOLOGY, v.53, no.3, pp.154 - 158
- Indexed
- SCIE
SCOPUS
- Journal Title
- ENZYME AND MICROBIAL TECHNOLOGY
- Volume
- 53
- Number
- 3
- Start Page
- 154
- End Page
- 158
- ISSN
- 0141-0229
- Abstract
- The enzymatic coproduction of biodiesel and glycerol carbonate by transesterification of soybean oil and dimethyl carbonate (DMC) has been studied in a solvent-free system. The effects on biodiesel and glycerol carbonate conversion of reaction conditions including the kind of enzyme, the amount of enzyme, the molar ratio of DMC to soybean oil, the reaction temperature, and water addition were investigated. The optimal conditions for biodiesel and glycerol carbonate were 20% Novozym 435, 10:1 molar ratio of DMC to soybean oil, and 0.7% water addition. Under these conditions, the conversions of 96.4% biodiesel and 92.1% glycerol carbonate have been achieved after 48 h. (C) 2013 Elsevier Inc. All rights reserved.
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