| Full text | |
| Author(s): |
Lovato, Giovanna
;
Alvarado-Morales, Merlin
;
Kovalovszki, Adam
;
Peprah, Maria
;
Kougias, Panagiotis G.
;
Domingues Rodrigues, Jose Alberto
;
Angelidaki, Irini
Total Authors: 7
|
| Document type: | Journal article |
| Source: | Bioresource Technology; v. 245, p. 10-pg., 2017-12-01. |
| Abstract | |
Biogas upgrading processes by in-situ hydrogen (H-2) injection are still challenging and could benefit from a mathematical model to predict system performance. Therefore, a previous model on anaerobic digestion was updated and expanded to include the effect of H-2 injection into the liquid phase of a fermenter with the aim of modeling and simulating these processes. This was done by including hydrogenotrophic methanogen kinetics for H-2 consumption and inhibition effect on the acetogenic steps. Special attention was paid to gas to liquid transfer of H-2. The final model was successfully validated considering a set of Case Studies. Biogas composition and H-2 utilization were correctly predicted, with overall deviation below 10% compared to experimental measurements. Parameter sensitivity analysis revealed that the model is highly sensitive to the H-2 injection rate and mass transfer coefficient. The model developed is an effective tool for predicting process performance in scenarios with biogas upgrading. (AU) | |
| FAPESP's process: | 14/07692-8 - Co-digestion of glycerin and whey in AnSBBR for biohydrogen and biomethane production |
| Grantee: | Giovanna Lovato |
| Support Opportunities: | Scholarships in Brazil - Doctorate |
| FAPESP's process: | 16/12773-2 - Anaerobic co-digestion of whey wastewaters with manure: effect of low pH |
| Grantee: | Giovanna Lovato |
| Support Opportunities: | Scholarships abroad - Research Internship - Doctorate |
| FAPESP's process: | 15/06246-7 - Biorefinery concept applied to biological wastewater treatment plants: environmental pollution control coupled with material and energy recovery |
| Grantee: | Marcelo Zaiat |
| Support Opportunities: | Research Projects - Thematic Grants |