Abstract
Dynamic model adaptation to an anaerobic digestion reactor of a water resource recovery facility
Highlights
Anaerobic digestion (AD) of wastewater is a biological process to produce biogas consisting of methane and carbon dioxide in the absence of oxygen
The modified Anaerobic Digestion Model number 2 (AM2) model which has been adapted to the VEAS reactor is a relatively simple model compared with Anaerobic Digestion Model Number 1 (ADM1) model
We have adapted on the AM2 model to both a simulated biogas reactor and to a real reactor at the VEAS plant
Summary
Anaerobic digestion (AD) of wastewater is a biological process to produce biogas consisting of methane and carbon dioxide in the absence of oxygen. Mathematical models of the AD process can be useful for control system design and testing, controller tuning, model-based control, state and parameter estimation, optimization of reactor design and operation, analysis, training, etc. Several mathematical models of the AD process exist. The Anaerobic Digestion Model Number 1 (ADM1) is a well-known model with five stages including disintegration, hydrolysis, acidogenesis, acetogenesis and methanogenesis Batstone et al (2000). The ADM1 model has 35 state variables with around 100 model parameters, and it represents the gases methane (CH4), carbon dioxide (CO2) and hydrogen (H2).
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