Table 3 Examples of previously performed studies of co-digestion
Substrate | (Mixed ratios v/ v) | HRT (days) | OLR (g VS/L/day) | Methane yield (ml CH4/g VS/day) | References |
|---|---|---|---|---|---|
OMW + cattle manure | 75% + 25% | 13 | 3,4 | 700 to 1,000 | Angelidaki and Ahring[10] |
OMW + pig manure | 69% + 31% | 6 | 2.9 + 2.6 | 2,700 | Sampaio et a.l[14] |
Sewage sludge + potato waste | 44% + 56% | 20 | 2.7 | 600 | Murto et al.[13] |
Industrial waste + pig manure | 17% + 83% | 30 | 2.6 | 800 | Murto et al.[13] |
Industrial waste + pig manure + slaughterhouse waste | 17% + 71% + 12% | 28 | 3.1 | 900 | Murto et al.[13] |
Industrial waste + pig manure + slaughterhouse waste | 17% + 66% + 12% + 5% | 36 | 2.6 | 1,000 | Murto et al.[13] |
Sewage sludge + marine dredgings + municipal refuse | 20 + 5% + 75% | 36 (batch) | 900 to 1,200 | Chan et al.[11] | |
OMW + piggery effluent | 83% + 17% | 6 to 7 | 3.5 | 1,300 | Marques[12] |
Oat + sludge | 50% + 50% | 28 | 6 | 500 | Present study |