Table 1. Composition and biogas yield (V(CH4)/m(VS))/(m3/kg) from different lignocellulosic and non-lignocellulosic raw materials.
| Feedstock | w(TS)/% | w(VS)/% | C:N ratio | Y(biogas)/(m3/kg) | Reference | ||
|---|---|---|---|---|---|---|---|
| Lignocelllulosic material | |||||||
| banana pseudostems | 5 | 4 | 38:1.24 | 0.34 | (12) | ||
| forestry residues | 75 | 64 | 325 | 0.21 | (13) | ||
| fruit waste | 15-20 | 75 | 35 | 0.25-0.50 | (14) | ||
| garden waste | 60-70 | 90 | 100:150 | 0.20-0.50 | (15) | ||
| grass | 20-25 | 90 | 12:25 | 0.55 | (16) | ||
| grass silage | 50 | 92 | 10:25 | 0.33 | (16) | ||
| maize silage | 35 | 94 | 15-30:1 | 0.60-0.70 | (17) | ||
| palm oil fibre | 76 | 78 | 44:2 | 0.37 | (18, 19) | ||
| straw | 70-90 | 80-90 | 80:100 | 0.15-0.35 | (20) | ||
| sugarcane bagasse | 94 | 97 | 45:1.72 | 0.22 | (21) | ||
| wheat straw | 98 | 93 | 58:1.34 | 0.27 | (20, 22) | ||
| Non-lignocellulosic material | |||||||
| cattle slurry | 11 | 82 | 6-20 | 0.20-0.30 | (23) | ||
| food residues | 20 | 92 | 50:2 | 0.15-0.39 | (20) | ||
| palm oil mill effluent | 3.10 | 86 | 44:2 | 0.35 | (24) | ||
| pig slurry | 7 | 86 | 3-10 | 0.25-0.50 | (23) | ||
| potato peel pulp | 6-18 | 90 | 46:4 | 0.30-0.90 | (25) | ||
| slaughtering waste | 15 | 80 | 4:1 | 0.30-0.70 | (26) | ||
| vinasse | 1 | 90 | 12:1 | 0.24-0.30 | (27) | ||
TS=total solids, VS=volatile solids