Research Article
Mesoporous (Ta, Nb)3W7 Modified with Stearic Acid Used as Solid Acids for Esterification
Table 1
Physicochemical properties of catalyst samples.
| Catalyst | SSA (m2/g) | Average pore diameter (nm) | Pore volume (cm3/g) | Crystal size (nm) |
| Mesoporous Nb3W7 oxide (P-123) | 73.09 | 8.34 | 0.11 | 11.18 | Mesoporous Ta3W7 oxide (P-123) | 64.09 | 5.1 | 0.07 | 10.02 | Mesoporous Nb3W7 oxide (stearic acid, 1°C/min) | 66.12 | 11.8 | 0.18 | 12.53 | Mesoporous Ta3W7 oxide (stearic acid, 1°C/min) | 107.49 | 7.33 | 0.16 | 11.88 | Mesoporous Ta3W7 oxide (stearic acid, 4°C/min) | 86.27 | 12.91 | 0.21 | 13.97 |
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