Catalytic performance of the CoMn catalyst in FBR and SBR.
| Reactors | T (°C) | P (bar) | H2/CO | WHSV (ml h−1 gcat−1) | X CO (C%) | S CO2 (C%) | Product selectivity (C%, CO2-free) | Olefin/paraffin ratio | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Olefin | Oxy.a | Olefin + Oxy. | Paraffinb (CH4) | C2 | C3 | C4 | O/P | |||||||
| FBR | 250 | 5 | 0.5 | 2000 | 22.1 | 37.7 | 68.2 | 15.1 | 83.3 | 16.7 (2.6) | 4.4 | 11.3 | 7.7 | 4.0 |
| 260 | 5 | 0.5 | 2000 | 25.7 | 43.2 | 67.2 | 16.7 | 83.9 | 16.1 (4.6) | 2.7 | 10.8 | 7.4 | 4.2 | |
| 270 | 5 | 0.5 | 2000 | 27.6 | 44.6 | 66.3 | 17.4 | 83.7 | 16.3 (6.1) | 2.7 | 11.0 | 7.3 | 4.1 | |
| SBR | 250 | 5 | 0.5 | 2000 | 29.5 | 49.4 | 68.1 | 20.7 | 88.8 | 11.2 (2.6) | 7.7 | 11.5 | 8.0 | 6.1 |
| 260 | 5 | 0.5 | 2000 | 35.9 | 47.4 | 67.1 | 18.9 | 86.0 | 14.0 (2.7) | 5.4 | 11.3 | 7.7 | 4.8 | |
| 270 | 5 | 0.5 | 2000 | 42.8 | 49.2 | 65.7 | 20.5 | 86.2 | 13.8 (3.2) | 4.9 | 11.6 | 7.8 | 4.8 | |
| 250 | 5 | 0.5 | 1000 | 39.4 | 49.2 | 70.1 | 16.8 | 86.9 | 13.1 (3.2) | 5.7 | 11.1 | 7.5 | 5.4 | |
| 250 | 5 | 0.5 | 4000 | 15.5 | 46.6 | 65.1 | 24.0 | 89.1 | 10.9 (2.4) | 9.9 | 11.5 | 8.0 | 6.0 | |
| 250 | 5 | 0.75 | 4000 | 19.0 | 47.0 | 63.1 | 23.9 | 87.0 | 13.0 (3.2) | 7.5 | 9.5 | 6.6 | 4.9 | |
| 250 | 5 | 1.0 | 4000 | 23.3 | 47.2 | 55.4 | 29.5 | 84.9 | 15.1 (3.4) | 6.1 | 7.2 | 4.9 | 3.7 | |
| 250 | 7.5 | 0.5 | 4000 | 17.7 | 49.5 | 58.0 | 28.0 | 86.0 | 14.0 (2.8) | 7.2 | 7.8 | 5.3 | 4.1 | |
| 250 | 10 | 0.5 | 4000 | 18.8 | 49.7 | 58.6 | 25.6 | 84.2 | 15.8 (3.6) | 6.0 | 6.9 | 4.7 | 3.7 | |
a
Oxy., oxygenates (including alcohol and aldehyde).
b
The value in brackets represent the methane selectivity in total product (C%, CO2-free).