Table 4 Comparative LCA results using system expansion and mass allocation (functional unit: 1 GJ)
Impact category | Mass allocation | System expansion | Fossil | ||
|---|---|---|---|---|---|
IPK (100% slash pile burn) | IPK (50% slash pile burn) | IPK (100% slash pile burn) | IPK (50% slash pile burn | Fossil fuel-based kerosene | |
Global warming, kg CO2 eq | 26.00 | 27.41 | 29.13 | 34.00 | 86.05 |
Smog, kg O3 eq | 7.42 | 9.57 | 3.57 | 11.03 | 10.03 |
Acidification, kg SO2 eq | 0.39 | 0.47 | 0.59 | 0.88 | 0.42 |
Eutrophication, kg N eq | 2.21E−02 | 2.59E−02 | − 1.03E−01 | − 9.02E−02 | 2.24E−02 |
Carcinogenics, CTUh | − 1.25E−07 | 5.43E−08 | − 6.02E−07 | 1.94E−08 | 1.22E−06 |
Non carcinogenics, CTUh | 7.56E−06 | 7.56E−06 | 2.51E−05 | 2.51E−05 | 1.19E−05 |
Respiratory effects, kg PM2.5 eq | − 1.72E−01 | − 6.77E−02 | − 6.45E−01 | − 2.83E−01 | 8.54E−03 |
Ecotoxicity, CTUe | 47.25 | 47.61 | 161.72 | 162.97 | 234.19 |