Table 5 Lignin gasification-based bio-jet processes—major process inputs and outputs referenced to 1 MJ of LG and LG-HF bio-jet fuels
From: Hydrocarbon bio-jet fuel from bioconversion of poplar biomass: life cycle assessment
LG bio-jet | LG-HF bio-jet | Unit | |
|---|---|---|---|
Input | |||
Feedstock (bone dry) | 88.4 | 88.4 | g |
Enzymes | 0.743 | 0.743 | g |
Sulfuric acid | 1.59 | 1.59 | g |
Lime | 2.64 | 2.64 | g |
Calcium carbonate | 0.425 | 0.425 | g |
Carbon dioxide | 0.187 | 0.187 | g |
Ammonia | 1.12 | 1.12 | g |
Corn steep liquor | 2.37 | 2.37 | g |
Sodium hydroxide | 1.36 | 1.36 | g |
Natural gas—supplemental hydrogen source | 0.178 | 0.178 | MJ |
Natural gas—heat/steam | 0.506 | 0 | MJ |
Hog fuel—heat/steam | 0 | 44.5 | g |
Electricity | 0.253 | 0.253 | kwh |
Output | |||
Bio-jet fuel | 1 | 1 | MJ |
CO2 (biogenic) | 86.7 | 163 | g |
CO2 (nonbiogenic) | 44.0 | 9.29 | g |