From: Exploring the potential for biomethane production by willow pyrolysis using life cycle assessment methodology
Input (PE)
Output
Losses
Energy ratio (out/in)
(GJ/ha/year)
Total
Biomethane1
Exported heat
Methane
Waste heat
Reference
26.0
141.0
0.0
6.0
0
5.4
Willow a
12.5
111.0
10.0
121.0
2.0
21.7
8.9