Table 9 Net energy use and electricity credit of each sorghum ethanol pathway
Pathway | Use of CHP system | External NG required, MJ/liter | External RNG required, MJ/liter | External electricity required, MJ/liter | Electricity credit, MJ/liter | Net energy use, MJ/liter |
|---|---|---|---|---|---|---|
I | No | 4.4 | 0 | 0.70 | 0 | 5.1 |
II | Yes | 0 | 5.3 | 0 | 0 | 5.3 |
III(a) and (b) | Yes | 0 | 0 | 0 | 12.0 | 0 |
IV | Yes | 0 | 0 | 0 | 2.0 | 0 |
V(a) and V(b) | Yes | 0 | 0 | 0 | 1.1 | 0 |