Table 2.
Main relevant evaluation parameters of the co-digestion processes divided by pre-treatment method
| Parameters | Pre-treatment A | Pre-treatment B |
|---|---|---|
| Daily biogas production (L/die) | 27.08 ± 3.01 | 4.87 ± 2.46 |
| Specific Biogas production (m3/kg VS added) | 0.64 ± 0.07 | 0.30 ± 0.13 |
| TS reduction (%) | 64.44 ± 7.57 | 31.67 ± 6.23 |
| TSV reduction (%) | 73.84 ± 5.87 | 38.13 ± 6.70 |
| pH | 7.36 ± 0.34 | 6.82 ± 0.52 |
| Ac./Alc. ratio | 0.37 ± 0.18 | 2.47 ± 2.41 |
| CH4 (%) | 60.60 ± 2.90 | 57.50 ± 6.10 |
| CO2 (%) | 37.70 ± 3.20 | 41.00 ± 6.44 |