Table 3 Parametric assumptions for ETJ fuel production processes
From: Well-to-wake analysis of ethanol-to-jet and sugar-to-jet pathways
Feedstock | ETJ—integrated | ETJ—distributed | |
|---|---|---|---|
Corn | Corn stover | Ethanol | |
Jet fuel yield (MJ jet/kg feedstock) | 6.78 | 4.71 | 18.1 |
Natural gas use (kJ/MJ jet) | 439 | – | – |
Hydrogen use (kJ/MJ jet) | 81.3 | 80.9 | 80.9 |
Electricity use (Wh/MJ jet) | 27.3 | – | 9.3 |
Yeast use (g/MJ jet) | 0.051 | – | – |
Enzyme and chemical use (g/MJ jet) | 1.67 | 26.2 | – |
Catalyst use (g/MJ jet) | 0.094 | 0.107 | 0.107 |
Water use (L/L jet) | 8.5 | 13.5 | 1.9 |
Gasoline yield (kJ/MJ jet) | 210 | 212 | 212 |
Diesel yield (kJ/MJ jet) | 113 | 115 | 115 |
DGS yield (dry g/MJ jet) | 57 | – | – |
Electricity yield (Wh/MJ jet) | – | 32 | – |