Research Article
Ru-Sn-B/Al2O3 Catalysts for Selective Hydrogenation of Methyl Oleate: Influence of the Ru/Sn Ratio
Table 2
Surface XPS atomic ratios of the metal species on the bimetallic catalysts.
| | Sn (%) | Ru/Al (bulk) | Ru/Al (XPS) | Ru°/(Ru° + R) | Sn/Al (bulk) | Sn/Al (XPS) | Sn (%) | Sn (%) |
| | 0.5 | 0.0051 | 0.0133 | 0.1439 | 0.0022 | 0.0034 | 14.7 | 85.3 | | 1.0 | 0.0052 | 0.0103 | 0.2036 | 0.0044 | 0.0080 | 21.4 | 78.6 | | 2.0 | 0.0052 | 0.0101 | 0.2673 | 0.0088 | 0.0196 | 30.4 | 69.6 | | 4.0 | 0.0053 | 0.0082 | 0.4634 | 0.0181 | 0.0499 | 24.0 | 76.0 |
|
|
