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Extending Functionality of Microalgae and Transesterification under Supercritical Fluid Conditions
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作者 Chamil a. Biktach rustem a. usmanov +4 位作者 Farid M. Gumerov Zufar I. Zaripov Farizan R. Gabitov Vener F. Khayrutdinov Ilmutdin M. abdulagatov 《American Journal of Analytical Chemistry》 2014年第16期1129-1141,共13页
The experimental data on supercritical CO2 extraction of microalgae are presented. It is confirmed that microalgae contains omega-3 fatty acid components. Phase equilibria data are presented for the triolein-methanol ... The experimental data on supercritical CO2 extraction of microalgae are presented. It is confirmed that microalgae contains omega-3 fatty acid components. Phase equilibria data are presented for the triolein-methanol (T = 413 K, P = 5.8 - 11.9 MPa) and ethyl eicosapentaenoate-carbon dioxide (T = 313 - 333 K, P = 10 - 21 MPa) binary systems. The scheme of the batch-type experimental setup for supercritical transesterification of oils is presented. Temperature and molar ratio dependences of non-refined palm oil yield to fatty acid methyl esters (FAME) are presented for T = 563 - 693 K, methanol to palm oil molar ratio 39:1. Experiments on ultrasonic emulsification of rapeseed oil-ethanol mixture (molar ratios 150:1 - 7:1) were conducted. Research data on ultrasonic emulsion stability are presented for the time range of 0 - 40 minutes after ultrasonication completion. Correlation is defined between FAME yield of emulsified reaction mixtures and the emulsion grain size. FAME yields are compared for emulsified and non-emulsified reaction mixtures. 展开更多
关键词 SUPERCRITICAL Methanol TRANSESTERIFICATION BIODIESEL MICROALGAE SUPERCRITICAL Fluid SUPERCRITICAL Carbon Dioxide
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