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The conversions and selectivities for ethane dehydrogenation over 1Co-SiO2, initially and after 24 h, with and without CO2 in the feed. Reaction conditions: T = 923 K; space time = 1 h·gcat·mL−1. Regeneration was performed in flowing air at 923 K for 1 h.
| Feed | Conversion (Selectivity) % | Amount of Coke | ||
|---|---|---|---|---|
| C2H6:CO2:He | 0.5 h | 24 h | After Regen. | |
| 1:0:5 | 26.9 (98.8) | 7.2 (98.8) | 21.7 (98.8) | 3.7 wt% |
| 1:1:4 | 23.2 (98.3) | 18.1 (98.0) | 17.0 (97.8) | 1.0 wt% |
