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Optimal and suboptimal control of anaerobic digesters |
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| Authors: | K. Stamatelatou G. Lyberatos C. Tsiligiannis S. Pavlou P. Pullammanappallil S.A. Svoronos |
| Affiliation: | 1. Department of Chemical Engineering, University of Patras, and Institute of Chemical Engineering and High Temperature Chemical Processes, P.O. Box 1414, GR‐26500, Patras, Greece 2. Department of Chemical Engineering, University of Queensland, Australia 3. Department of Chemical Engineering, University of Florida, Gainesville, FL, 32601, USA |
| Abstract: | Anaerobic digester failure due to entry of inhibitors or sudden changes in the feed substrate concentration may be encompassed beneficially by applying optimal control theory. An almost proportional relationship between the dilution rate and the methane production rate leads to a simple suboptimal control law with only minor loss in performance, after the occurrence of the above mentioned events. |
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