Table 3.
Shares of food waste and human excrements going to different destinations.
| Scenario | Other uses | Wastewater |
N recovery (%) | Composting (%) | Anaerobic digestion (%) |
Incineration (%) | Landfill (%) | |||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Collected without treatment and non-collected (%) | Primary treatment (%) | Secondary treatment (%) | Tertiary treatment (%) | Direct application of digestate (%) | Composting of digestate (%) | |||||||
| Food waste Processing | Baseline | – | 0.2 | 0.2 | 2.4 | 7.1 | – | 27.5 | 8.2 | 19.2 | 19.8 | 15.3 |
| Improved | – | 0.1 | 0.0 | 1.9 | 7.9 | – | 43.0 | 12.9 | 30.1 | 4.0 | 0.0 | |
| Advanced | – | 0.2 | 0.1 | 0.6 | 1.8 | 7.3 | 27.5 | 8.2 | 19.2 | 19.8 | 15.3 | |
| Combined | – | 0.1 | 0.0 | 0.5 | 2.0 | 7.4 | 43.0 | 12.9 | 30.1 | 4.0 | 0.0 | |
| Food waste Distribution | Baseline | – | – | – | – | – | – | 30.5 | 9.1 | 21.3 | 22.0 | 17.0 |
| Improved | – | – | – | – | – | – | 47.8 | 14.3 | 33.5 | 4.4 | 0.0 | |
| Advanced | – | – | – | – | – | – | 30.5 | 9.1 | 21.3 | 22.0 | 17.0 | |
| Combined | – | – | – | – | – | – | 30.5 | 9.1 | 21.3 | 22.0 | 17.0 | |
| Food waste Household | Baseline | 11.5 | 0.3 | 0.3 | 2.8 | 8.2 | – | 10.8 | 3.2 | 7.5 | 28.6 | 26.9 |
| Improved | 11.5 | 0.1 | 0.0 | 2.3 | 9.2 | – | 35.6 | 10.7 | 24.9 | 5.7 | 0.0 | |
| Advanced | 11.5 | 0.3 | 0.1 | 0.7 | 2.0 | 8.4 | 10.8 | 3.2 | 7.5 | 28.6 | 26.9 | |
| Combined | 11.5 | 0.1 | 0.0 | 0.6 | 2.3 | 8.6 | 35.6 | 10.7 | 24.9 | 5.7 | 0.0 | |
| Food waste Food services | Baseline | 5.8 | 0.1 | 0.1 | 1.4 | 4.1 | – | 27.0 | 8.1 | 18.9 | 19.5 | 15.1 |
| Improved | 5.8 | 0.0 | 0.0 | 1.1 | 4.6 | – | 42.3 | 12.7 | 29.6 | 3.9 | 0.0 | |
| Advanced | 5.8 | 0.1 | 0.0 | 0.3 | 1.0 | 4.2 | 27.0 | 8.1 | 18.9 | 19.5 | 15.1 | |
| Combined | 5.8 | 0.0 | 0.0 | 0.3 | 1.1 | 4.3 | 42.3 | 12.7 | 29.6 | 3.9 | 0.0 | |
| Human excrements | Baseline | – | 12.8 | 2.2 | 21.4 | 63.6 | – | – | – | – | – | – |
| Improved | – | 4.1 | 0.1 | 18.9 | 76.9 | – | – | – | – | – | – | |
| Advanced | – | 12.8 | 0.5 | 5.4 | 15.9 | 65.4 | – | – | – | – | – | |
| Combined | – | 0.0 | 0.0 | 4.7 | 19.2 | 71.9 | – | – | – | – | – | |