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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