Table 2 Catalytic performances of the catalysts with different Al2O3 cycles for styrene epoxidation reaction.
Entry | Catalysts | Distance (nm) | TBHP condition | H2-TBHP condition | ||
|---|---|---|---|---|---|---|
Conversion (%) | SO sel. (%) | Conversion (%) | SO sel. (%) | |||
1 | CoOx/35Al2O3/Pt | 5 | 91.0 | 77.5 | 83.5 | 93.9 |
2 | CoOx/50Al2O3/Pt | 7 | 93.4 | 76.2 | 82.5 | 94.8 |
3 | CoOx/65Al2O3/Pt | 9 | 92.5 | 78.2 | 85.6 | 86.5 |
4 | CoOx/80Al2O3/Pt | 11 | 93.0 | 76.4 | 89.0 | 77.1 |
5 | CoOx/100Al2O3/Pt | 14 | 92.0 | 76.3 | 90.2 | 76.8 |
6 | CoOx/300Al2O3/Pt | 41 | 94.8 | 74.8 | 91.9 | 75.1 |