Characterization and lipid profile of oil from microalgae

Authors

  • Lesly Tejeda-Benítez Universidad de Cartagena
  • Daniela Henao-Argumedo Universidad de Cartagena
  • Mario Alvear-Alayón Universidad de Cartagena
  • Carlos Rafael Castillo-Saldarriaga Universidad Nacional de Colombia-Sede Bogotá

DOI:

https://doi.org/10.19053/01211129.3550

Keywords:

fatty acids, biodiésel, lipids, microalgae

Abstract

The increasing use of biodiesel has prompted the search for new raw materials, among them are highlighted the microalgae. In this research the cultivation of microalgae Chlorella sp. and Dunaliella salina at different conditions of pH and nitrogen is reported, and the oils obtained from them characterization, in order to assess the biodiesel potential production. D. salina reached the maximun cells concentration, during a 6 days cultivation, at pH 8.5 and 0.1 mg L-1 of nitrogen, obtaining values of 1.15x106 cells mL-1, while the Chlorella sp. under a pH value of 7.5 and 0.1 mg L-1 of nitrogen conditions, achieved the maximun concentrations of 2.6x107 cells mL-1. Analysis of the fatty acid profiles revealed that the most abundant were linolenic, and then, oleic, this implies a large number of unsaturations that would have negative implications on the physicochemical properties and performance of biodiesel combustion.

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Published

2015-05-05
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How to Cite

Tejeda-Benítez, L, Henao-Argumedo, D, Alvear-Alayón, M, & Castillo-Saldarriaga, C R. (2015). Characterization and lipid profile of oil from microalgae. Revista Facultad de Ingeniería, 24(39), 43–54. https://doi.org/10.19053/01211129.3550
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Issue

Vol. 24 No. 39 (2015)

Section

Papers

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