Table 5 Waste disposal cost
From: Using aquatic plant biomass from de-weeding in biogas processes—an economically viable option?
Case 1 Maize silage 100% | Case 2 90/10 Maize to Elodea | Case 390/10 Maize to Elodea/straw mix | ||
|---|---|---|---|---|
1 | Amount of Elodea taken on [tFM] | 0 | 6944 | 1031 |
2 | Amount of digestate [tFM] | 7885 | 13,147 | 8922 |
3 | Avoided Elodea disposal cost = gate fee [EUR] | 0 | 208,333 | 30,928 |
4 | Disposal cost for digestate [EUR] | 39,425 | 65,735 | 44,611 |
5 | Disposal cost delta (case 2 vs. 1; case 3 vs. 1) | 0 | 26,310 | 5186 |
6 | Net income/(loss) (row 3–row 5) | 0 | 182,023 | 25,472 |