Biodiesel production from biomass of an oleaginous fungus. Vicente, G., Bautista, L., F., Rodríguez, R., Gutiérrez, F., J., Sádaba, I., Ruiz-Vázquez, R., M., Torres-Martínez, S., & Garre, V. Biochemical Engineering Journal, 48(1):22-27, 12, 2009. Paper Website abstract bibtex The present paper introduces the filamentous fungus Mucor circinelloides as a potential feedstock for biodiesel production. These microbial lipids showed a high content (>85%) of saponifiable matter and a suitable fatty acid profile for biodiesel production. The effectiveness of the lipid extraction process was studied for three different solvent systems: chloroform:methanol, chloroform:methanol:water and n-hexane. Biodiesel was produced by acid-catalysed transesterification/esterification following two different approaches: transformation of extracted microbial lipids and direct transformation of dry microbial biomass. After 8h of reaction at 65°C in the presence of BF3, H2SO4 or HCl as acid catalysts, the direct process produced fatty acid methyl esters (FAMEs) with higher purities (>99% for all catalysts) than those from the two-step process (91.4–98.0%). In addition, the yield was also significantly higher in the direct transformation due to a more efficient lipid extraction when the acid catalyst was present.
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title = {Biodiesel production from biomass of an oleaginous fungus},
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year = {2009},
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abstract = {The present paper introduces the filamentous fungus Mucor circinelloides as a potential feedstock for biodiesel production. These microbial lipids showed a high content (>85%) of saponifiable matter and a suitable fatty acid profile for biodiesel production. The effectiveness of the lipid extraction process was studied for three different solvent systems: chloroform:methanol, chloroform:methanol:water and n-hexane. Biodiesel was produced by acid-catalysed transesterification/esterification following two different approaches: transformation of extracted microbial lipids and direct transformation of dry microbial biomass. After 8h of reaction at 65°C in the presence of BF3, H2SO4 or HCl as acid catalysts, the direct process produced fatty acid methyl esters (FAMEs) with higher purities (>99% for all catalysts) than those from the two-step process (91.4–98.0%). In addition, the yield was also significantly higher in the direct transformation due to a more efficient lipid extraction when the acid catalyst was present.},
bibtype = {article},
author = {Vicente, Gemma and Bautista, L. Fernando and Rodríguez, Rosalía and Gutiérrez, F. Javier and Sádaba, Irantzu and Ruiz-Vázquez, Rosa M. and Torres-Martínez, Santiago and Garre, Victoriano},
journal = {Biochemical Engineering Journal},
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