| Title | Dual-pool, three-phase kinetic model of anaerobic digestion in batch mode |
|---|---|
| ID_Doc | 7566 |
| Authors | Gouveia, B; Duarte, E; dos Santos, A; Fernandes, E |
| Title | Dual-pool, three-phase kinetic model of anaerobic digestion in batch mode |
| Year | 2022 |
| Published | Heliyon, 8, 3 |
| Abstract | The ability of anaerobic digestion to create value from waste gives it an important role in reducing greenhouse gas emissions and in the transition to a circular economy. For a better understanding of the digestion process and in order to reduce the number of time-consuming batch tests, an analytical model was developed to describe the kinetics of biogas production. Assuming that the organic fraction of the substrate has different degradation rates, the whole process was modelled as two groups of 1st order reactions. The model was tested with published data and showed an excellent performance in reproducing the experimental information. Moreover, its kinetic constants provided a useful insight into the internal processes of anaerobic digestion and the substrate characteristics. Given its accuracy in fitting the data, the model can be used as an auxiliary tool to determine the biogas potential, presenting itself as the most complete empirical model currently available. |
| http://www.cell.com/article/S2405844022004820/pdf |
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