Abstract
For biotechnological purposes, it is important to determine biochemical composition of microalgae biomass, for correctly addressing the valorization of the high-value compounds produced and enhancing the economic feasibility of the cultivation process. This study aims to analyze the biochemical composition of P. tricornutum cultivated at an outdoor pilot-scale bubble column photobioreactor under natural conditions in Chile, for biofuel and high-value compounds production in order to propose a P. tricronutum based biorefinery. The P. tricornutum biomass concentration is about 0.96 kg·m-3·d-1 with volumetric productivity of 0.13 kg·m-3·d-1. The samples showed a proportion of 7.85 wt% of carbohydrates, 38.40 wt% of proteins and 9.08 wt% of lipids. These findings suggest that P. tricornutum can be an alternative feedstock for biofuels production and high-value compounds commercialization, under a biorefinery approach.
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