Parameter | Hydrolysis/acidogenesis | Methane synthesis |
Temperature | 25˚C - 35˚C | Mesophilic 32˚C - 42˚C Thermophilic 50˚C - 58˚C |
pH value | 5.2 - 6.3 | 6.7 - 7.5 |
C:N ration | 10 - 45 | 20 - 30 |
Dry matter content | <40% DM | <30% DM |
required C:N:P:S ratio | 500:15:5:3 | 600:15:5:3 |
Trace elements | No requirements | Essential: Fe, Mn, Zn, Cu, Ni, Co, Mo, Se |