Abstract
Research within biological methanation has been a great development using biotrickling filters (BTF), as a power-to-x solution, but research within up scaling is missing. This study investigates the commercial potential of biomethanation in BTF by operating two 1 m3 reactors which was implemented into a full-scale biogas plant. Several areas were investigated, such as enrichment and start-up, long-term steady state operation, serial operation, and intermittent feed. A methane productivity of 9.44 NmCH43 mR-3 day-1 with a product gas of 95.7 % CH4 was obtained for parallel operation, whereas during serial operation a methane productivity of 10.6 NmCH43 mR-3 day-1 at 97.4 % CH4 was achieved. The flexibility of the biomethanation was demonstrated with unintentional loss of H2 feed in periods of 12 to 72 h, where initial performance was regained within 6 to 12 h. The results from this study demonstrate the potential for commercial use of biomethanation in BTF for future Power-to-X solutions.
| Original language | English |
|---|---|
| Article number | 128160 |
| Journal | Bioresource Technology |
| Volume | 365 |
| Number of pages | 10 |
| ISSN | 0960-8524 |
| DOIs | |
| Publication status | Published - 2022 |
Keywords
- Biogas
- Biomethanation
- Biomethane
- Pilot scale
- Power-to-x
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