Tableau 3
Pression critique (Pc), temps d’induction (ti) et vitesse maximale (rox) de formation de l’anhydride benzoïque, du benzoate de phényle et de la fluorénone en excès d’oxygène à 220 et 250 °C.
Critical pressure (PC), induction time (ti) and maximum rate (rox) of the formation of benzoic anhydride, phenyl benzoate and fluorenone in oxygen excess at 220 and 250 °C.
| Produits | T (°C) | Pc (bars) | ti en excès d’O2 (h) | rox en excès d’O2 (mol.L-1.h-1) |
|---|---|---|---|---|
| Anhydride | 220 | 20 | 227 | 8,2.10-4 |
| Benzoate de phényle | 262 | 8,4.10-4 | ||
| Fluorénone | 250 | 0,97.10-4 | ||
| Anhydride | 250 | 5 | 62 | 19,7.10-4 |
| Benzoate de phényle | 39 | 13,1.10-4 | ||
| Fluorénone | 64 | 4,3.10-4 |
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