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Issue
Korean Journal of Chemical Engineering,
Vol.33, No.3, 964-971, 2016
Preparation and characterization of epoxidized microbial oil
Yang D, Xiong L, Wang B, Chen X, Wang C, Huang C, Zhang H, Guo H, Chen X
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.
Keywords: Microbial Oil; Plasticizer; Iodine Values; Epoxy Value; Crops Biomass
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