10.6. Process modeling

Mathematical models have been developed to improve understanding of the complex dynamics of the AD process and to predict the response of the anaerobic systems to changes in operating conditions (hydraulic retention time, organic load, temperature, etc.). Models are tools for process design, control strategies, diagnosis or prediction of system performance under conditions of increasing or decreasing load and variation of feeding characteristics.
There are many types of anaerobic models ranging from steady-state models to single-, double-, or multistep dynamic models. Steady-state models can be applied in systems where the fluctuations in the feed characteristics and organic loading rate are minimized. This basis of static ...

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