Abstract
Internal loop airlift and bubble column photobioreactors (PBR) were compared with respect to their performances during cultivation of Artrospira platensis ( Spirulina platensis). Culture conditions were kept the same and different parameters were examined through the experiments. It was observed that a higher dry biomass weight and chlorophyll-a concentration was obtained in the airlift PBR yielding a maximum growth rate of 0.45 day −1, while 0.33 day −1 was reached in the bubble column PBR. Subsequently, a 17-day of production was carried out in the selected PBR to fully determine the performance of the PBR. Maximum growth rate of 0.47 day −1 was reached during long term cultivation.
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