Abstract

There are many factors that can affect microalgae growth. In this research, four different groups of experiments were set up in order to determine the influence of different mixing conditions, CO 2 concentration and light intensities on Desmodesmus communis growth. The range of CO 2 concentration in the air - CO 2 mixture was 0–16 v/v%, light intensities ranged between 100 µmol m -2 s -1 and 300 µmol m -2 s -1 . The best biomass productivity and biomass yield of 0.54 g d -1 and 3.53 g l -1 respectively were achieved when mixing was provided by using shaker as well as gas bubbling with air - CO 2 mixture of 96:4 v/v% and light intensity of 300 µmol m -2 s -1 . DOI: http://dx.doi.org/10.5755/j01.erem.70.4.8437

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