Table 2
Composition of Liquid Products from Experiments at High Space Velocities
Catalyst | Iron (synthetic-ammonia) | Cobalt | |||||
Type of Process | Fixed Bed | Fluid Bed |
Fixed Bed | ||||
Pressure, atmos.gauge | 10 | 20 | 20 | 20 | 20 | 10 | 10 |
Temperature, °C | 260-285 | 281 | 300 | 318 | 305 | 220 | 220 |
Space velocity, vol. residual gas/vol. synthesis gas | 400 | 400 | 530 | 1050 | 1040 | 510 | 516 |
Recycle ratio, vol. residual gas/vol. synthesis gas | - | 2.1:1 | 2.2:1 | 1.35:1 | 6.3:1 | - | 2.16:1 |
Boiling range of product, percent. by weight Up tp 200ºC |
63.0 | 64.1 | 72.4 | 76.5 | 71.5 | 67.4 | 64.2 |
200º-300ºC | 17.3 | 16.3 | 15.6 | 13.5 | 18.5 | 23.0 | 23.3 |
Residue above 300°C | 19.7 | 19.6 | 12.0 | 10.0 | 10.0 | 9.6 | 12.5 |
Olefin content of fraction below 200°C, percent by weight | 68.0 | 73.8 | 71.7 | 65.0 | 75.0 | 17.8 | 25.5 |