Mathematical analysis of a two-tiered microbial food-web model for the anaerobic digestion process

Mathematical analysis of a two-tiered microbial food-web model for the anaerobic digestion process

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In this research paper, we presented a four-dimensional mathematical system modeling the anaerobic mineralization of phenol in a two-step microbial food-web.The inflowing concentrations of the hydrogen and the phenol are considered in our model.We considered the case of general class of nonlinear growth kinetics, instead of Monod kinetics.

Due to some conservative relations, the proposed model was reduced to a two-dimensional system.The stability of the steady states was rosaliac ar intense visible facial redness serum carried out.Based on the species growth rates and the three main operating parameters of the model, represented by the dilution rate and input concentrations of the phenol and the hydrogen, we showed that the system can have up to four steady states.

We gave the necessary and sufficient conditions ensuring the existence and the stability for multimatic 255 tig kit each feasible equilibrium state.We showed that in specific cases, the positive steady state exists and is stable.We gave numerical simulations validating the obtained results.