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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