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Bifurcation and stability analysis of a two step model for monitoring anaerobic digestion processes

机译:监控厌氧消化过程的两步模型的分叉和稳定性分析

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This paper deals with the equilibria and stability analysis of the two step anaerobic model initially proposed by [12] to describe the dynamical behavior of an anaerobic fixed-bed wastewater treatment process. In a first part, the model is analyzed: its equilibria and their stability are established considering qualitative properties of the kinetics. In a second part, it is shown that the overloading tolerance (denoted herein OT), a parameter proposed in [9] to monitor anaerobic processes on-line, may not be suitable for monitoring the system and even causes serious problems under certain functioning conditions. Based on the analysis results established in the first part, a modified OT is proposed and evaluated in simulation.
机译:本文讨论了[12]最初提出的描述厌氧固定床废水处理过程动力学行为的两步厌氧模型的平衡性和稳定性分析。在第一部分中,对模型进行了分析:考虑动力学的定性性质,建立了模型的平衡性和稳定性。在第二部分中,表明了[9]中提出的在线监测厌氧过程的参数-过载容限(在本文中以OT表示),可能不适合监视系统,甚至会在某些运行条件下引起严重问题。基于在第一部分中建立的分析结果,提出了一种改进的OT并在仿真中进行了评估。

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