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Conference papers

Mathematical analysis of a two-stage Anaerobic Digestion model with production of hydrogen and methane

Abstract : The Anaerobic Digestion (AD) is a natural process of biogas production from organic wastes. This gas can be used as a source of energy, hence the growing interest in processes allowing the optimization of biogas production. This work deals with the mathematical analysis of a continuous process model of AD in a cascade of two different bioreactors. The aim is to stimulate the activity of biomass, in order to produce a maximum rate of methane and hydrogen. The reactions are described by two systems with an equal number of equations in both bioreactors. We determine the equilibrium points of these systems and we give necessary and sufficient conditions for their existence and stability. Our results are illustrated by numerical simulations and operatory diagrams for a well understanding of the process.
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https://hal.archives-ouvertes.fr/hal-02931947
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Submitted on : Monday, September 7, 2020 - 1:35:07 PM
Last modification on : Wednesday, October 28, 2020 - 12:10:04 PM
Long-term archiving on: : Wednesday, December 2, 2020 - 9:46:48 PM

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Mejri Nizar, Nahla Abdellatif, Daoud Yessmine. Mathematical analysis of a two-stage Anaerobic Digestion model with production of hydrogen and methane. CARI 2020, Oct 2020, Thiès, Senegal. ⟨hal-02931947⟩

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