Review Article
Current Status and Future Prospects of Small-Scale Household Biodigesters in Sub-Saharan Africa
Table 6
Comparison of biogas yield and electricity produced from different potential substrates [
10].
| | Type | Biogas yield (Nm3 ton FM-1) | Electricity produced (kWh ton FM-1) |
| | Cattle dung | 55–68 | 122.5 | | Chicken litter/dung | 126 | 257.3 | | Fat | 826–1200 | 1687.4 | | Food waste | 110 | 224.6 | | Fruit wastes | 74 | 151.6 | | Horse manure | 56 | 114.3 | | Maize silage | 200/220 | 409.6 | | Municipal solid waste | 101.5 | 207.2 | | Pig slurry | 11–25 | 23.5 | | Sewage sludge | 47 | 96.0 |
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FM = fresh matter. Heating value 21 MJ m−3, 55% methane content, and 3.6 MJ (kW·h) −1.
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