Table 1 Physicochemical properties of Pt synthesized catalysts
From: n-Heptane isomerization activities of Pt catalyst supported on micro/mesoporous composites
Catalysts | MCM-48 | MCM-48-HZSM-5 | HZSM-5 | MCM-48-TiO2 | TiO2 | MCM-48-HY | HY |
|---|---|---|---|---|---|---|---|
Acidity (micro-mol NH3/g) | |||||||
96.5–325 °C | 5.3 | 223.6 | 210.0 | 20.8 | 21.2 | 73.7 | 109.2 |
325–802 °C | 177.5 | 311.4 | 360 | 93.2 | 30.7 | 95.3 | 405.1 |
L + B | 182.8 | 535.0 | 570.0 | 114.0 | 51.9 | 169.0 | 514.3 |
B/L | 33.5 | 1.4 | 1.7 | 4.5 | 1.4 | 1.3 | 3.7 |
Surface properties | |||||||
SBET (m2/g) | 1237.3 | 694.7 | 453.1 | 213.8 | 11.1 | 250.6 | 689.4 |
Vp (cm3/g) | 0.750 | 0.510 | 0.290 | 0.405 | 0.080 | 0.414 | 0.160 |
dp (nm) | 2.44 | 2.94 | < 10–3 (µ) | 7.57 | 29.63 | 6.68 | 1.55 |