| Catalyst | Total Acidity Amount of desorbed NH3 (mmol·g−1) | Density of acid sites (10−4 mmol·m−2) |
| ZrO2 | 1.90 | 211.13 |
| SO3H-ZrO2 | 0.57 | 204.46 |
| Al-SBA-15 | 0.15 | 4.98 |
| SO3H-SBA-15 | 0.16 | 19.09 |
| H-ZSM-5 | 12.75 | 315.78 |
| SO3H-ZSM-5 | 6.43 | 215.71 |