期刊
BIOTECHNOLOGY AND BIOENGINEERING
卷 85, 期 4, 页码 382-393出版社
WILEY
DOI: 10.1002/bit.10831
关键词
photobioreactor; CARPT; hydrodynamics; airlift column; dynamic simulation
Mixing in photobioreactors is known to enhance biomass productivity considerably, and flow dynamics play a significant role in the reactor's performance, as they determine the mixing and the cells' movement. In this work we focus on analyzing the effects of mixing and flow dynamics on the photobioreactor performance. Based on hydrodynamic findings from the CARPT(Computer Automated Radioactive Particle Tracking) technique, a possible mechanism for the interaction between the mixing and the physiology of photosynthesis is presented, and the effects of flow dynamics on light availability and light intensity fluctuation are discussed and quantitatively characterized. Furthermore, a dynamic modeling approach is developed for photobioreactor performance evaluation, which integrates first principles of photosynthesis, hydrodynamics, and irradiance distribution within the reactor. The results demonstrate the reliability and the possible applicabilty of this approach to commercially interesting microalgae/ cyanobacteria culture systems. (C) 2004 Wiley Periodicals, Inc.
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