Table 4.
Hydrogenation of p-nitrophenol to p-aminophenol under flow in three consecutive reactors mediated by SiliaCat Pd(0): reaction conditions in each reactor [Adapted from Ref. 23, with kind permission]
| Parameter | Conditions (R1) | Conditions (R2) | Conditions (R3) |
|---|---|---|---|
| Volume (l) | 0.1 | 0.15 | 0.4 |
| Flow (ml/min) | 12 | 12 | 12 |
| Pressure (bar) | 20 | 12 | 5 |
| Temperature (°C) | 100 | 110 | 130 |
| SiliaCat Pd(0) (%) | 0.70% | 1.7 | 2 |
| p-nitrophenol entrance (M) | 1 | 0.64 | 0.16 |
| p-nitrophenol exit (M) | 0.64 | 0.16 | 0.011 |
| Conversion (%) | 36 | 73 | 93 |
| Global conversion (%) | 35.95 | 83.62 | 98.85 |