Table 2 Inputs used for straw harvesting and processing in the biorefinery, expressed per kg DM straw and per MJ produced
| Â | Input per kg DM straw/per MJ produced | Unit | |||
|---|---|---|---|---|---|
Base case | No excess El | Biogas for internal H&E | External El Prod. | ||
Diesel (harvesting and transport) | 0.34/0.05 | 0.34/0.05 | 0.34/0.08 | 0.34/0.05 | MJ |
Nitrogen compensation | 5.00/0.68 | 4.88/0.69 | 4.33/1.08 | 4.27/0.60 | g N |
Sulphuric acid | 2.40/0.33 | 2.40/0.34 | 2.40/0.60 | 2.40/0.34 | g |
Enzymes | 20.49/2.80 | 20.49/2.90 | 20.49/5.09 | 20.49/2.90 | g enzyme product |
Ammonia | 13.0/1.78 | 13.0/1.84 | 13.0/3.23 | 13.0/1.84 | g |
Hexane | 6.46/0.88 | 6.46/0.91 | 6.46/1.61 | 6.46/0.91 | g |
Sodium hydroxide | 1.35/0.18 | 1.35/0.19 | 1.35/0.33 | 1.35/0.19 | g |
Phosphoric acid | 0.94/0.13 | 0.94/0.13 | 0.94/0.23 | 0.94/0.13 | g |
Methanol | 12.5/1.71 | 12.5/1.77 | 12.51/3.11 | 12.5/1.77 | g |
External electricity | – | – | – | 1.77/0.25 | MJ |