Table 1.
Textural properties and acidity of all the solids studied.
| Catalyst | SBET (m2/g) |
Sext (m2/g) |
Smicrop (m2/g) |
VP (cm3/g) |
Meso (%) |
Micro (%) |
NaOH Consumed (mL) |
Acidity (mmol H+/g) |
Acidity (mmol H+/g) b |
|---|---|---|---|---|---|---|---|---|---|
| HY a | 545 | 54 | 491 | 0.36 | 44 | 56 | 0.30 | 0.2 | − |
| C-HY | 597 | 125 | 472 | 0.27 | 35 | 65 | 0.80 | 0.4 | 0.3 |
| M-HY | 241 | 56 | 185 | 0.16 | 51 | 49 | 0.35 | 0.2 | − |
| M-HY-O(3) | 246 | 76 | 170 | 0.17 | 69 | 31 | 1.60 | 0.8 | 0.6 |
| M-HY-O(24) | 374 | 77 | 297 | 0.21 | 34 | 66 | 1.15 | 0.6 | 0.4 |
| HZSM-5 a | 349 | 81 | 268 | 0.27 | 44 | 56 | 0.20 | 0.1 | − |
| C-HZSM-5 | 337 | 131 | 206 | 0.29 | 35 | 65 | 0.35 | 0.2 | 0.1 |
| M-HZSM-5 | 60 | 24 | 36 | 0.15 | 60 | 40 | 0.15 | 0.1 | − |
| M-HZSM-5-O(3) | 127 | 50 | 77 | 0.10 | 65 | 35 | 1.26 | 0.7 | 0.5 |
| M-HZSM-5-O(24) | 193 | 68 | 125 | 0.20 | 55 | 45 | 0.50 | 0.3 | 0.1 |
a Data provided by Zeolyst; b Data obtained from TGA (mmol sulfur) x oxidized sulfure obtained from XPS (band at 169 eV).