Table 8 Impact of natural gas price on the economic viability of the retrofitted configuration (Ammonia = $450/ton, MWCNT = $5/kg, carbon credit = $30/ton CO₂).
From: Decarbonizing ammonia synthesis plants through retrofitting novel reformer technology
Natural gas price ($/MMBtu) | NPV (Billion USD) | IRR (%) | Payback period (Years) |
|---|---|---|---|
1.5 | 4.23 | 65 | 3.5 |
3.0 | 3.74 | 57 | 4.1 |
4.0 | 3.08 | 52 | 4.5 |
5.0 | 2.62 | 47 | 5.1 |
7.0 | 1.69 | 37 | 7.2 |
10.0 | 0.3 | 18 | > 30 |
13.0 | < 0 | - | Not recoverable |
