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| Effects of Reactor Orientation and Different Light Path on Biomass Productivity of Microalga Nannochloropsis oculata in Outdoor Massculture |
| GENG Jinfeng,ZHANG Huimin,SHI Lei,MA Xinxin,CHEN Yanping,LIU Minsheng |
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Abstract Outdoor culture of microalga Nannochloropsis oculata was studied(Dalad Banner ,Nei Mongol Automous Region ,40° N ,110° E) by a vertical flat‐plate photobioreactor .Comparison of the productivity of the photobioreactors with difference light path (9 ,10 ,13 cm and 17 cm) ,the maximal productivity of the reactor was observed under light‐path length of 13 cm .The effect of direction of the bioreactor installa‐tion on the areal productivity was studied in the photobioreactor with light‐path length of 13 cm during the summer .The period average productivity of the reactor surface facing to the east or west was 3% —14%higher than that facing the south or north .A simulation calculation method was also established to opti‐mize the installation factors (the facing direction and distance between the reactors ) according to the region condition ,aiming to obtain high productivity .
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Received: 25 May 2016
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