ON THE DYNAMIC BEHAVIOUR OF A CLASS OF BIOREACTOR WITH NON-CONVENTIONAL YIELD COEFFICIENT FORM

  • R.V. Gómez-Acata
  • G. Lara-Cisneros
  • R. Femat
  • R. Aguilar-López
Keywords: bifurcation analysis, continuous flow, limit cycle, local stability analysis, steady-state multiplicity, unstructured kinetic models

Abstract

The goal of this work is to analyze by numerical bifurcation the dynamical behavior of a class of continuous bioreactor used to hydrolyze cellulose using Cellulomonas cellulans, taking into account the effect of modeling the growth rate of this microorganism by six different kinetics models (monotonic and non-monotonic). Furthermore, it is considered that the biomass yield can be modeled as a constant or a variable case, for the variable case, a substrate dependent Gaussian-type function was proposed. The proposed non-conventional yield function is a realistic approach that describes the behavior of the cellular yield, unlike other models, this one is bounded to the maximum cellular yield and can be extrapolated to several operation conditions. Numerical results show changes in the equilibrium branches due to the kinetic growth model used. The non-conventional model of biomass yield produces a shift in the steady state multiplicity intervals, and new limit cycles were found with certain specific values of dilution rate and substrate feed

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Published
2020-01-24
How to Cite
Gómez-Acata, R., Lara-Cisneros, G., Femat, R., & Aguilar-López, R. (2020). ON THE DYNAMIC BEHAVIOUR OF A CLASS OF BIOREACTOR WITH NON-CONVENTIONAL YIELD COEFFICIENT FORM. Revista Mexicana De Ingeniería Química, 14(1), 149-165. Retrieved from http://rmiq.org/ojs311/index.php/rmiq/article/view/1230
Section
Simulation and control

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