Research Article
Economic Impact of NMMO Pretreatment on Ethanol and Biogas Production from Pinewood
Table 6
The profitability parameters of the processes.
| Scenario | 1 | 2 | 3 | 4 |
| Pretreatment | NMMO | NMMO | Steam explosion | Steam explosion |
| Product | Ethanol/biogas | Biomethane | Ethanol/biogas | Biomethane |
| Payback period (year) | 6.3 | 8.3 | 6.2 | 7.6 | Net return rate (NRR) (%) | 14.6 | ā6.3 | 16.7 | ā3.0 | Profitability index (PI) | 1.14 | 0.93 | 1.16 | 0.96 |
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