期刊
BIORESOURCE TECHNOLOGY
卷 222, 期 -, 页码 399-407出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.biortech.2016.09.109
关键词
Novel airlift PBR; Hydrodynamic; Pilot-scale; Computational fluid dynamics; Optimization; Chlorella cultivation
资金
- National High Technology Research and Development Program of China (863 Programs) [2013AA065804]
- National Natural Science Foundation of China [31402319, 31372548]
- Key Scientific and Technological Project of Shan Xi [FT2014]
- National Basic Research Program of China (973 Program) [2011CB200903]
Aiming to culture algae with high efficiency, a novel vertical multi-column airlift photobioreactor (VMAPBR) has been developed. It was constructed with a series of vertically arranged parallel columns with easy scalability. The hydrodynamic, irradiation and shear stress characteristics of the photobioreactor were studied by computational fluid dynamics (CFD). Accordingly, the optimal aeration manner and aeration rate were determined. When the novel airlift PBR was alternately aerated with aeration rate of 0.2 vvm, the biomass concentration of Chlorella pyrenoidosa under outdoor condition reached 1.30 g L-1 within the prototype PBR and was further increased to 1.56 g L-1 within the optimized PBR. The result of cultivation experiment had good agreement with that of CFD prediction. (C) 2016 Elsevier Ltd. All rights reserved.
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