Catalytic performance under different reaction conditions.
| Exp | T 0 (°C) | P M,0 (kPa) | Yield at TOS = 0 h | Life timea (h) | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Olefin | Paraffin | Aromatic | Benzene | Toluene | Xylene | C9 | ||||
| 1 | 450 | 15 | 18.94 | 23.18 | 57.88 | 6.79 | 27.64 | 20.91 | 2.54 | 24.00 |
| 2 | 450 | 30 | 13.03 | 32.90 | 54.06 | 6.06 | 24.49 | 20.96 | 2.55 | 14.00 |
| 3 | 450 | 50 | 10.20 | 36.84 | 52.95 | 5.34 | 23.16 | 21.78 | 2.69 | 9.00 |
| 4 | 380 | 30 | 18.31 | 40.87 | 40.82 | 1.70 | 13.38 | 21.51 | 4.23 | 28.00 |
| 5 | 420 | 30 | 12.41 | 38.35 | 49.24 | 3.82 | 20.09 | 22.28 | 3.05 | 21.00 |
| 6 | 480 | 30 | 18.30 | 22.09 | 59.61 | 8.50 | 27.70 | 20.18 | 3.23 | 9.00 |
| 7 | 380 | 50 | 18.39 | 42.31 | 39.30 | 1.52 | 11.96 | 20.79 | 5.03 | 13.00 |
| 8 | 420 | 50 | 11.39 | 41.26 | 47.35 | 3.65 | 18.80 | 21.77 | 3.13 | 12.00 |
| 9 | 480 | 50 | 16.20 | 26.68 | 57.12 | 6.45 | 25.05 | 21.71 | 3.91 | 5.00 |
Life time is the on-stream time when methanol conversion begins to drop significantly from 100%.