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Received June 13, 2015
Accepted October 11, 2015
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This is an Open-Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/bync/3.0) which permits
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Preparation and characterization of epoxidized microbial oil
Dan Yang1 2
Lian Xiong1 2
Bo Wang3 4
Xuefang Chen1 2
Can Wang1 2
Chao Huang1 2
Hairong Zhang1 2
Haijun Guo1 2
Xinde Chen1 2†
1Key Laboratory of Renewable Energy, Chinese Academy of Sciences, Guangzhou 510640, P. R. China 2Guangzhou Institute of Energy Conversion, Chinese Academy of Sciences, Guangzhou 510640, P. R. China 3Guangzhou Institute of Energy Conversion, Chinese Academy of Sciences, Guangzhou 510640, P. R. China, Korea 4Graduate University of Chinese Academy of Sciences, Beijing 10049, P. R. China
cxd_cxd@hotmail.com
Korean Journal of Chemical Engineering, March 2016, 33(3), 964-971(8), 10.1007/s11814-015-0216-6
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Abstract
The potential of microbial oil derived from yeasts through fermentation using crops biomass for the formation of plasticizers was investigated. Plasticizers were formed via epoxidation reaction. Five factors of the orthogonal experiment (reaction temperature, time, weight ratio of H2O2/MO, H2SO4/MO, and HCOOH/MO) have been used for optimization of parameters. To further enhance the iodine value of microbial oil and increase the epoxy value of the epoxide, an amount of soybean oil was added. The products were characterized by FTIR, 13C-NMR and 1H-NMR. Under the optimum condition, the epoxy value and the iodine value of epoxide product were 6.21% and 1.8 g I2/100 g with a yield of 91.86% at an oil conversion of 98.43%. This study successfully demonstrated the conversion of crops biomass into value-added chemicals using simple and conventional chemical reactions.
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