Table 1 Composition, textural properties, crystallite sizes and HSiW surface area of HSiW/X catalysts.
Catalyst | HPA content (wt. %) | Surface area (m2 g−1) | Pore volume (cm3 g−1) | Pore diameter (nm) | d (nm) | As (m2g−1) | |||
|---|---|---|---|---|---|---|---|---|---|
Support | Catalyst | Support | Catalyst | Support | Catalyst | Catalyst | |||
HSiW (bulk) | 100 | — | 8 | — | — | — | — | ||
HSiW/TiO2 | 52 | 53 | 40 | 0.25 | 0.17 | 50 | 52 | 24 | 45.1 |
HSiW/SiO2 | 73 | 129 | 42 | 0.66 | 0.11 | 41 | 45 | 29 | 37.3 |
HSiW/ZrO2 | 46 | 39 | 27 | 0.27 | 0.04 | 46 | 14 | 17 | 63.7 |
HSiW/BN | 28 | 25 | 15 | 0.10 | 0.06 | 10–100 | 23, 65 | 15 | 72.2 |
HSiW/Al2O3 | 74 | 147 | 49 | 0.44 | 0.05 | 9, 12 | 9 | 10 | 108.3 |
HSiW/CeO2 | 61 | 74 | 57 | 0.21 | 0.05 | 47 | 10 | 12 | 90.2 |
