Alternative fuels from vegetable oils: innovative methods and technologies of production and usage

  • V.I. Kyrychenko Khmelnytsky National University
  • V.V. Kyrychenko Pacell LLC
  • V.S. Ribun Vasyl Stefanyk Precarpathian National University
  • M.B. Skladaniuk Vasyl Stefanyk Precarpathian National University
Keywords: rapeseed oil, ethanolysis, esterolysis, tri-acyl-glycerol, mono-acyl glycerol, biofuel, blended fuel

Abstract

Traditional methods of biofuel production using vegetable oils and aliphatic alcohols have a number of disadvantages. A new method of transesterification of vegetable oils with alkyl acetates because they act as promoters of diesel fuel combustion. A method of improving both technology of alcoholysis and esterolysis by modifying the temperature range is proposed. Chemical and technological bases of two-stage process of vegetable oil transesterification are developed. In the first stage, the oils are treated with glycerol  in order to convert tri-acyl-glyceros of oil into mono-acyl-glycerols. The second stage is alcoholysis of mono-acyl-glycerols with ethanol  or esterolysis of mono-acyl-glycerols with ethyl acetate. The temperature range of the transesterification process is improved using heat-transfer solvents. Comparison of material balances of technologies of one- and two-stage ways of ethanolysis and esterolysis showed a significant increase in the selectivity of the process, yield and quality of biofuels. Analysis of the obtained biofuels and mixtures, which contain 20 % of biofuels and 80% of diesel fuel showed  the best physical, chemical and operational characteristics. Therefore, the  blended fuels are promising area of ​​biofuel technology.

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Published
2020-09-30
How to Cite
KyrychenkoV., KyrychenkoV., RibunV., & SkladaniukM. (2020). Alternative fuels from vegetable oils: innovative methods and technologies of production and usage. Physics and Chemistry of Solid State, 21(3), 552-559. https://doi.org/10.15330/pcss.21.3.552-559
Section
Scientific articles