Table 1.
Conversion of ferulic acid in air under visible light over Bi2WO6, sol‐gel entrapped SiliaSun catalysts and photocatalytic TiO2. [Reproduced from Ref.33, with kind permission].
| Catalyst | Reaction Time (h) | Ferulic acid Conversion (%) | Vanillic acid Selectivity (%) | Vanillin Selectivity (%) |
|---|---|---|---|---|
| Bi2WO6 | 1 | 42 | 5.0 | 2.7 |
| 2 | 78 | 13.7 | 4.1 | |
| 3 | 80 | 15.3 | 4.5 | |
| 6 | 86 | 15.6 | 4.9 | |
| SiliaSun Me0 % | 1 | 21 | 10.0 | 1.1 |
| 2 | 36 | 30.0 | 1.2 | |
| 3 | 37 | 32.8 | 1.8 | |
| 6 | 59 | 26.0 | 2.0 | |
| SiliaSun Me10 % | 1 | 21 | 12.0 | 0.8 |
| 2 | 31 | 38.5 | 2.1 | |
| 3 | 35 | 33.7 | 3.6 | |
| 6 | 61 | 31.0 | 4.1 | |
| Tio2 | 1 | 93 | – | 1.2 |
| 3 | 99 | 0.2 | 2.1 |