Table 1
Catalyst, reactor and feed specifications.
| Parameter | Water cooled | Gas cooled | |
|---|---|---|---|
| Catalyst | Density (kg m−3) | 2390 | 2390 |
| Diameter (cm) | 0.574 | 0.574 | |
| Reactor | Diameter (m) | 4.5 | 5.5 |
| Tube inner diameter (cm) | 4.03 | 2.12 | |
| Tube outer diameter (cm) | 4.45 | 2.54 | |
| Length (m) | 8.4 | 10.5 | |
| Number of tubes | 5955 | 3026 | |
| Bed void fraction | 0.39 | 0.39 | |
| Feed | CO (%) | 8.61 | 8.61 |
| CO2 (%) | 9.87 | 9.87 | |
| H2 (%) | 64.02 | 64.02 | |
| CH4 (%) | 8.35 | 8.35 | |
| N2 (%) | 8.45 | 8.45 | |
| CH3OH (%) | 0.43 | 0.43 | |
| H2O | 0.09 | 0.09 | |
| Feed flow rate (mole s−1) | – | 931 | |
| Inlet temperature (K) | – | 401 | |
| Inlet pressure (bar) | – | 75 |