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Relative weight percentage of elements distribution in spent CZA catalysts from CO and CO2 hydrogenation reaction at 250 °C under atmospheric pressure.
| Element | Weight percentage of element (wt%) |
|||
|---|---|---|---|---|
| CO hydrogenation |
CO2 hydrogenation |
|||
| CO-CZA-L | CO-CZA-H | CO2-CZA-L | CO2-CZA-H | |
| Copper (Cu) | 41.2 | 68.3 | 40.4 | 68.8 |
| Zinc (Zn) | 51.9 | 24.9 | 50.1 | 24.7 |
| Aluminium (Al) | 4.0 | 5.4 | 5.2 | 4.7 |
| Carbon (C) | 2.9 | 1.4 | 4.3 | 1.8 |
