Table 6 Substitution options for waste treatment at different scenarios
Solid waste management system | Avoided processes | Replacement ratio (%) | Considered scenario | ||||
|---|---|---|---|---|---|---|---|
S1 | S2 | S3 | S4 | ||||
Landfilling | Gas collection | CH4 | 50 | – | – | – | ✓ |
Recycling | Virgin material production | Plastic | 90 | ||||
Glass | 95 | ||||||
Paper | 90 | ||||||
Aluminum | 75 | ✓ | ✓ | ✓ | ✓ | ||
Composting | Chemical fertilizer production | Fertilizer | |||||
7.1 kg N | 0.8 | ||||||
4.1 kg P2O5 | 0.5 | – | – | – | ✓ | ||
5.4 kg K2O | 0.6 | ||||||
Incineration | Electricity recovery | Electricity | 8 | ✓ | ✓ | ✓ | – |
20 | – | – | – | ✓ | |||