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Anaerobic co-digestion of some straw materials (modified from Sawatdeenarunat et al. 2015)
| Co-substrate | Co-substrate mixing ratio (based on volatile solids (VS)) | C/N ratio | CH4 yield (l/kg VS) |
|---|---|---|---|
| Swine manure and rice straw | 2/1 | 21.7 | 350 |
| Chicken manure and corn stover | 1/3 | 27.3 | 298 |
| Chicken manure and corn stover | 1/1.4 | 20 | 223 |
| Chicken manure, dairy manure and wheat straw | 2.7/2.7/1 (chicken manure/dairy manure/wheat straw) | 25.0 | 235 |
