Comparison of unstructured kinetic bacterial growth models.

Mpho Muloiwa, Stephen Nyende-Byakika, Megersa Dinka

Research output: Contribution to journalReview articlepeer-review

89 Citations (Scopus)


Bacteria in biological wastewater treatment process play an important role in the removal of substrate concentration. When bacteria removes the substrate, they continuously growth until such time when the substrate concentration is depleted. This paper aims to review the performance of kinetic growth rate models that describe specific bacteria growth rate. The kinetic growth rate models reviewed were: Monod, Blackman, Haldane, Teissier, Moser, Contois, Logarithmic, Powell, Han and Levenspiel, Logistic, Luong, Webb, Yano and Koga, and Aiba-Edwards. The performance review of the models were based on coefficient of determination (R²). Another statistical measure of performance was root mean square error (RMSE). All kinetic growth rate models performed well when subjected to both toxic and non-toxic substrate concentration. The most notable kinetic growth rate model was the Haldane model which was well represented in the literature.

Original languageEnglish
Pages (from-to)141-150
Number of pages10
JournalSouth African Journal of Chemical Engineering
Publication statusPublished - Jul 2020


  • Bacterial growth rate
  • Kinetic growth models
  • Substrate concentration
  • Substrate inhibition

ASJC Scopus subject areas

  • Catalysis
  • Education
  • Energy (miscellaneous)
  • Process Chemistry and Technology
  • Fluid Flow and Transfer Processes
  • Filtration and Separation


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