Author(s)

Chamil A. Biktach, Rustem A. Usmanov, Farid M. Gumerov, Zufar I. Zaripov, Farizan R. Gabitov, Vener F. Khayrutdinov, Ilmutdin M. Abdulagatov

Federal State Budgetary Educational Institution of Higher Professional Education “Kazan National Research Technological University”, Kazan, Russia.

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.

Supercritical Methanol, Transesterification, Biodiesel, Microalgae, Supercritical Fluid, Supercritical Carbon Dioxide

Biktach, C. , Usmanov, R. , Gumerov, F. , Zaripov, Z. , Gabitov, F. , Khayrutdinov, V. and Abdulagatov, I. (2014) Extending Functionality of Microalgae and Transesterification under Supercritical Fluid Conditions. American Journal of Analytical Chemistry, 5, 1129-1141. doi: 10.4236/ajac.2014.516120.