Table 3. Propane Dehydrogenation Performance Data for the Different GaPt-SCALMS Catalysts Supported on Al2O3, SiO2, and SiC at Temperatures between 500 and 600 °Ca.
| T | X0 | S0 | S14h | CP14h | |
|---|---|---|---|---|---|
| °C | catalyst | % | % | % | gpropene gPt–1 |
| 500 | Ga48Pt/SiO2 | 7.8 | 97.5 | 97.6 | 270 |
| Ga49Pt/Al2O3 | 6.4 | 99.5 | 99.9 | 390 | |
| Ga41Pt/SiC | 11.5 | 99.9 | 99.9 | 480 | |
| 550 | Ga48Pt/SiO2 | 11.4 | 97.1 | 96.7 | 350 |
| Ga49Pt/Al2O3 | 11.4 | 97.0 | 95.5 | 520 | |
| Ga41Pt/SiC | 14.1 | 98.0 | 97.3 | 650 | |
| 600 | Ga48Pt/SiO2 | 19.2 | 92.7 | 85.5 | 400 |
| Ga49Pt/Al2O3 | 14.4 | 86.9 | 78.4 | 540 | |
| Ga41Pt/SiC | 18.5 | 86.2 | 83.4 | 630 |
a
T = reactor temperature; X0 = initial conversion; S0 = initial propene selectivity; S14h = propene selectivity after 14 h; CP14h = cumulative productivity after 14 h; CP data were smoothed to full digits.