Table 2. Influence of Reaction Time on Catalytic Performancea.
| catalyst | reaction time (h) | XDA Conv. (%) | XDC yield (%) | XDC Sel. (%) | catalyst activity (mmolXDC/molTi·h) |
|---|---|---|---|---|---|
| blank | 1 | 100 | 26.4 | 26.4 | |
| TS-1-(0) | 1 | 100 | 56.6 | 56.6 | |
| TS-1-(1) | 1 | 100 | 51.3 | 51.3 | 144.1 × 103 |
| TS-1-(2) | 1 | 100 | 59.8 | 59.8 | 87.7 × 103 |
| TS-1-(3) | 1 | 100 | 61.3 | 61.3 | 77.3 × 103 |
| TS-1-(3) | 2 | 100 | 65.8 | 65.8 | 41.5 × 103 |
| TS-1-(3) | 4 | 100 | 79.6 | 79.6 | 25.1 × 103 |
| TS-1-(3) | 6 | 100 | 88.5 | 88.5 | 18.6 × 103 |
a
Reaction conditions: 200 °C, 450 rpm, pressure 1.8 MPa. Catalyst activity: the amounts of XDC formed per mole of Ti per hour.