Absence of a molecular structural effect on the thermodynamic properties of several biodiesel materials

Absence of a molecular structural effect on the thermodynamic properties of several biodiesel materials

Authors

  • Hermes R. Alvarado-Montero Biomass Laboratory School of Chemistry University of Costa Rica 11501-2060 Costa Rica
  • Carmen Monge-Montero Biomass Laboratory School of Chemistry University of Costa Rica 11501-2060 Costa Rica
  • María Sol Vargas Biomass Laboratory School of Chemistry University of Costa Rica 11501-2060 Costa Rica
  • Giselle Lutz Biomass Laboratory School of Chemistry University of Costa Rica 11501-2060 Costa Rica
  • Julio F. Mata-Segreda Biomass Laboratory School of Chemistry University of Costa Rica 11501-2060 Costa Rica

DOI:

https://doi.org/10.22458/urj.v10i2.1988

Keywords:

biodiesel, thermodynamic properties, kinematic viscosity, Acrocomia aculeate, Attalea butyracea, Elaeis guineensis, Glycine max, Jatropha curcas, Ricinus communis

Abstract

In the search to develop the production of vegetable oils for non-food purposes biodiesel stands out for its great versatility as technical material and a cleaner energy technology. Physic nut (Jatropha curcas), castor-oil (Ricinus communis), oil palm (Elaeis guineensis), wine palm (Attalea butyracea) and macaw palm (Acrocomia aculeata) were chosen for study in our laboratory, because they are oleaginous plants with convenient oil yields to produce biodiesel. No significant effect from the nature of fatty-acid chains in biodiesel is observed on thermodynamic properties such as heat of combustion, cubic-expansion thermal coefficient, isothermal compressibility, enthalpy of vaporisation and Hildebrand solubility parameter. Activation energies for viscous flow of biodiesels correlates with the same property of their vegetable oil feedstocks.

Author Biography

Julio F. Mata-Segreda, Biomass Laboratory School of Chemistry University of Costa Rica 11501-2060 Costa Rica

School of Chemistry, UCRHumboldt Professor 2006

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Published

2018-09-21

How to Cite

Alvarado-Montero, H. R., Monge-Montero, C., Vargas, M. S., Lutz, G., & Mata-Segreda, J. F. (2018). Absence of a molecular structural effect on the thermodynamic properties of several biodiesel materials. UNED Research Journal, 10(2), 362–367. https://doi.org/10.22458/urj.v10i2.1988

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