Bioprocess and Biosystems Engineering

, Volume 42, Issue 4, pp 521–528 | Cite as

Enhanced CO2 biofixation and protein production by microalgae biofilm attached on modified surface of nickel foam

  • Cheng-Long GuoEmail author
  • Wei Wang
  • Dan-Ru Duan
  • Chen-Yu Zhao
  • Fei-Qiang Guo
Research Paper


In this work, a photobioreactor with microalgae biofilm was proposed to enhance CO2 biofixation and protein production using nickel foam with the modified surface as the carrier for immobilizing microalgae cells. The results demonstrated that, compared with microalgae suspension, microalgae biofilm lowered mass transfer resistance and promoted mass transfer efficiency of CO2 from the bubbles into the immobilized microalgae cells, enhancing CO2 biofixation and protein production. Moreover, parametric studies on the performance of the photobioreactor with microalgae biofilm were also conducted. The results showed that the photobioreactor with microalgae biofilm yielded a good performance with the CO2 biofixation rate of 4465.6 µmol m−3 s−1, the protein concentration of effluent liquid of 0.892 g L−1, and the protein synthesis rate of 43.11 g m−3 h−1. This work will be conducive to the optimization design of microalgae culture system for improving the performance of the photobioreactor.


Microalgae biofilm Modified surface Nickel foam CO2 biofixation Protein production 



The authors gratefully acknowledge the financial support by the Fundamental Research Funds for the Central Universities (No. 2018QNA10).


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Copyright information

© Springer-Verlag GmbH Germany, part of Springer Nature 2018

Authors and Affiliations

  • Cheng-Long Guo
    • 1
    • 2
    Email author
  • Wei Wang
    • 1
  • Dan-Ru Duan
    • 1
  • Chen-Yu Zhao
    • 1
  • Fei-Qiang Guo
    • 1
  1. 1.School of Electrical and Power EngineeringChina University of Mining and TechnologyXuzhouChina
  2. 2.Department of Chemical and Materials EngineeringUniversity of AlbertaEdmontonCanada

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