Table 5. Comparison of Catalysts Containing Pt, Sn, and In for the Dehydrogenation of Propane to Propene.
| conversion/%
(selectivity/%) |
|||||
|---|---|---|---|---|---|
| catalyst | catalyst type | reaction conditions | initial | ≥150 min | ref |
| PtSn/In-Al2O3 | supported TMNP | T = 873 K; p = 0.1 MPa; H2:C3H8:Ar molar ratio = 7:8:35; WHSV = 3.3 h–1; mcat = 0.3 g | 47.0 (96.6) | 36.0 (97.1) | (128) |
| PtSnIn/ZrO2 | 22.0 (96.1) | 15.0 (95.9) | |||
| PtSnIn/04Zr–Al2O3 | 54.8 (98.0) | 47.6 (98.8) | |||
| PtSnIn/08Zr–Al2O3 | 57.7 (98.3) | 51.7 (98.7) | |||
| PtSnIn/16Zr–Al2O3 | 51.2 (97.2) | 45.8 (98.6) | |||
| PtSn/In-Al2O3 | supported TMNP | T = 873 K; H2:C3H8:Ar molar ratio = 7:8:35; WHSV = 3.3 h–1; mcat = 0.3 g | 62.0 (96.4) | 37.0 (97.3)a | (127) |
| PtSnIn/0.6Ca–Al2O3 | 62.0 (96.8) | 54.0 (97.6)a | |||
| PtSnIn/1.2Ca–Al2O3 | 60.0 (97.0) | 57.5 (97.8)a | |||
| PtSnIn/1.5Ca–Al2O3 | 62.0 (97.6) | 58.0 (97.8)a | |||
| PtSnIn/1.8Ca–Al2O3 | 54.5 (96.6) | 49.0 (96.25)a | |||
| PtSnIn/2.4Ca–Al2O3 | 50.0 (96.5) | 34.5 (96.25)a | |||
| In/Al2O3 | supported MMNP | T = 893 K; H2:C3H8:Ar molar ratio = 7:8:35; GHSV = 1500 h–1; mcat = 0.3 g | 10.0 (44.0) | 9.5 (58.5)b | (255) |
| Pt/Al2O3 | 29.5 (55.5) | 15.5 (67.0)b | |||
| PtSn/Al2O3 | supported BMNP | 37.5 (83.0) | 23.5 (86.0)b | ||
| PtIn/Al2O3 | 53.0 (93.5) | 37.0 (92.0)b | |||
| PtSn/In-Al2O3 | supported TMNP | 58.0 (92.5) | 48.0 (93.5)b | ||
a
After 22 h.
b
After 2.75 h.