Table 10 Strongest parameter contributions to variance of WSFP and GWP100 results
From: Uncertainty analysis of the environmental sustainability of biofuels
WSFP | ||||
Flow | Process | CTV (%) | Stage | Product |
Husked nuts harvesting, at farm | 26.72 | x | Natgas | |
Palm fruit bunches, at farm | 25.81 | x | Natgas | |
Rape seed IP, at farm | 9.31 | x | Biogas | |
Protein peas, IP, at farm | 8.99 | x | Biogas | |
Soy beans IP, at farm | 8.97 | x | Biogas | |
Potatoes IP, at farm | 6.61 | x | Biogas | |
Potato seed IP, at farm | 6.52 | x | Biogas | |
Sugarcane, at farm | 3.03 | x | Biogas | |
Blue water consumption in CH | Rape seed extensive, at farm | 0.50 | B | Biogas |
Maize seed organic, at farm | 0.35 | x | Biogas | |
GWP100 | ||||
Flow | CTV (%) | Stage | Product | |
Biogas, from biowaste, at storage | 0.38 | x | Biogas | |
Biogas, from sewage sludge, at storage | 0.37 | x | Biogas | |
Methane, 96 vol-%, from biogas, at purification | 0.36 | x | Biogas | |
Methane, 96 vol-%, from biogas, high pressure, at consumer | 0.35 | x | Biogas | |
Disposal, municipal solid waste | 0.35 | x | Biogas | |
Methane, 96 vol-%, from biogas, production mix, at service station | 0.34 | x | Biogas | |
Natural gas, burned in boiler atm low-NOx condensing non-modulating <100 kW | 0.33 | x | Biogas | |
Electricity, at cogen with biogas | 0.32 | x | Biogas | |
Crude oil, at production onshore | 0.32 | x | Natgas | |
Disposal, plastics, mixture, 15.3 % water | 0.32 | x | Biogas | |