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Table 1 The main characteristics of mesoporous silica SBA-15 and Pd/SBA-15 composites: S BET , specific surface area (m 2 /g), V p , pore volume (cm 3 /g), D p , average pore diameter (nm)
| Samplea | Actual Pd contentb(wt<) | ScBET(m2/g) | Vpd(cm3/g) | Dpd(nm) | Pd dispersione(<) |
|---|---|---|---|---|---|
| SBA-15-N | - | 783 | 0.88 | 5.6 | - |
| 3.8 wt< Pd/SBA-15-N | 3.2 | 482 | 0.81 | 6.4 | 39.0 |
| SBA-15-S | - | 561 | 0.68 | 5.6 | - |
| 3.8 wt< Pd/SBA-15-S | 3.7 | 432 | 0.67 | 6.0 | 19.0 |
