A mathematical study of a syntrophic relationship of a model of anaerobic digestion process

  • Received: 01 October 2009 Accepted: 29 June 2018 Published: 01 June 2010
  • MSC : Primary: 92B05, 92D25; Secondary: 34A34, 34D23.

  • A mathematical model involving the syntrophic relationship of two major populations of bacteria (acetogens and methanogens), each responsible for a stage of the methane fermentation process is proposed. A detailed qualitative analysis is carried out. The local and global stability analyses of the equilibria are performed. We demonstrate, under general assumptions of monotonicity, relevant from an applied point of view, the global asymptotic stability of a positive equilibrium point which corresponds to the coexistence of acetogenic and methanogenic bacteria.

    Citation: Miled El Hajji, Frédéric Mazenc, Jérôme Harmand. A mathematical study of a syntrophic relationship of a modelof anaerobic digestion process[J]. Mathematical Biosciences and Engineering, 2010, 7(3): 641-656. doi: 10.3934/mbe.2010.7.641

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