Two-Step Modeling for Growth of Microorganisms in Stirred Tank Photobioreactor

  • Raj Kumar SainiEmail author
  • Pramod P. Wangikar
  • Manaswita Bose
Conference paper
Part of the Springer Proceedings in Energy book series (SPE)


The objective of the present work is to implement the two-time-step approach to determine the growth rate of the photosynthetic microorganisms such as microalgae and cyanobacteria, in a stirred tank photobioreactor. The light intensity distribution is obtained from the CFD simulations for different concentration of the microorganisms in the photobioreactor. The average light intensity is determined in the reactor for different cell concentrations in the culture. The photosynthetic rate is determined using the average light intensity in the reactor for different initial cell concentrations. The mean growth rate of the cyanobacteria in the log phase, i.e., the nutrient abundant condition is compared with the experimental observation.


Microalgae Cyanobacteria Light intensity Multiphase Stirred tank photobioreactor 



This work is supported by DBT through DBT-PAN IIT project (14DBTPAN005). The authors thank the head, computer center, IIT Bombay for providing the license of Ansys Fluent for the computational facility. We would also like to thank John Hendry from Biotechnology Laboratory from the Department of Chemical Engineering, IIT Bombay, who helped us in this work.


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Copyright information

© Springer Nature Singapore Pte Ltd. 2020

Authors and Affiliations

  • Raj Kumar Saini
    • 1
    Email author
  • Pramod P. Wangikar
    • 2
  • Manaswita Bose
    • 1
  1. 1.Department of Energy Science and EngineeringIndian Institute of Technology BombayPowai, MumbaiIndia
  2. 2.Department of Chemical EngineeringIndian Institute of Technology BombayPowai, MumbaiIndia

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