Resumo (PT):
Abstract (EN):
: Diatoms are very diverse and highly productive organisms, found in a wide variety of
environments. This study aims to analyze the growth and lipid composition of Phaeodactylum tricornutum,
cultured in an outdoor pilot-scale bubble column photobioreactor under natural conditions in Chile for
biodiesel production. Results showed that P. tricornutum cultures reached their highest biomass
concentration (0.96 ± 0.04 kg m−3
) after 14 days of culturing, at the stationary phase, with a
volumetric productivity of 0.13 kg m−3 d
−1
. Biomass samples showed a total lipid content of
9.08 ± 0.38 wt %. The fatty acid methyl ester analysis revealed a composition of 24.39% C16-C18 fatty
acids, 42.34% saturated fatty acids, 21.91% monounsaturated fatty acids and 31.41% polyunsaturated
fatty acids. These findings suggest that P. tricornutum oil can be used as an alternative raw material
for the production of biodiesel capable of meeting international quality standards.
Idioma:
Inglês
Tipo (Avaliação Docente):
Científica
Nº de páginas:
15