Table 5 List of parameters used for sensitivity analysis of GHG emissions of HTL biofuels
Category | Parameters | Nominal | − 10% | + 10% |
|---|---|---|---|---|
Feedstock property | Moisture content of forest residues: wt% | 48.91 | 44.02 | 53.80 |
Feedstock supply | Feedstock collection distance: km | 12.5 | 11.25 | 13.75 |
Process performance | Biomass content in slurry for HTL: wt% | 8.0 | 7.2 | 8.8 |
| Â | Bio-oil yield: kg/kg dry wood | 0.367 | 0.330 | 0.404 |
| Â | HTL energy requirement: MW | 50.4 | 45.38 | 55.46 |
| Â | Biofuel yield: kg/kg bio-oil | 0.75 | 0.68 | 0.83 |
By-product credit | Carbon sequestered in biochar: wt% | 80 | 72 | 88 |
Location specificity | Electricity mix: % | |||
| Â | BC electricity mixa: hydro: 90.4; biomass: 4.9; NG: 2.9; fuel oil: 1.5; wind: 0.3 | |||
| Â | AB electricity mixb: Coal: 72.4; NG: 19.6; wind: 3.6; hydro: 3.5; fuel oil: 0.9 | |||