Biotechnology and Bioprocess Engineering:BBE

The Korean Society for Biotechnology and Bioengineering (한국생물공학회)
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A Theoretical Consideration on Oxygen Production Rate in Microalgal Cultures

  • Kim, Nag-Jong (Institute of Industrial Biotechnology, Department of Biological Engineering, Inha University) ;
  • Lee, Choul-Gyun (Institute of Industrial Biotechnology, Department of Biological Engineering, Inha University)
  • Published : 2001.09.01
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Abstract

Because algal cells are so efficient at absorbing incoming light energy, providing more light energy to photobioreactors would simply decrease energy conversion efficiency. Furthermore, the algal biomass productivity in photobioreactor is always proportional to the total photosynthetic rate. In order to optimize the productivity of algal photobioreactors (PBRs), the oxygen production rate should be estimated. Based on a simple model of light penetration depth and algal photosynthesis, the oxygen production rate in high-density microalgal cultures could be calculated. The estimated values and profiles of oxygen production rate by this model were found to be in accordance with the experimental data. Optimal parameters for PBR operations were also calculated using the model.

Keywords

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