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. 2016 Feb 27;9:47. doi: 10.1186/s13068-016-0458-5

Fig. 5.

Fig. 5

Microalgae cultivation system. The figure depicts a cultivation system applied for the 50 L column PBR (the primary seed culture was utilized to inoculate the second seed culture which was also utilized to inoculate the PBR culture, gas mixer helped to mix CO2 and air before they are feed into the PBR culture, S sample port)