کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
4998008 | 1459921 | 2016 | 9 صفحه PDF | دانلود رایگان |
- A scalable 300Â L vertical multi-column airlift reactor was designed.
- Hydrodynamics including irradiation and shear stress were studied by CFD.
- Optimal operation manner and structure of the novel reactor were determined.
- Superiority of the optimized PBR was validated by cultivation experiments.
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 Lâ1 within the prototype PBR and was further increased to 1.56 g Lâ1 within the optimized PBR. The result of cultivation experiment had good agreement with that of CFD prediction.
Journal: Bioresource Technology - Volume 222, December 2016, Pages 399-407