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Mixotrophic Cultivation of Tetraselmis sp. - 1 in Airlift Photobioreactor

沈继红, Yu, Junhong, Lin -, Xue-Zheng, Li, Guangyou, Liu, Fayi

Abstract

Tetraselmis sp.-1 is a new microalgae strain constructed by cell fusion technique. In this paper, the mixotrophic cultivation of Tetraselmis sp.-1 in airlift photobioreactor is investigated. Firstly, the paper calculates the light attenuation in the mixotrophic medium, and sets the light attenuation model. Secondly, it uses the same dissolved oxygen coefficient (Kd) of flask culture to select the aeration of bioreactor. Finally, it sets the growth kinetic model, production (chlorophyll-a and total lipid) kinetic models and substrate (glucose) consumption kinetic model of Tetraselmis sp.-1 in airlift photobioreactor.

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Key concepts: Photobioreactor, Tetraselmis, Mixotroph, Airlift, Aeration, Bioreactor, Pulp and paper industry, Botany