Table 1 List of modified SCFO-based oxygen carriers that were prepared and investigated in this study
Sample name | Na type precursor | Na type modification | Loading (wt.%) | Preparation method | Further treatment |
---|---|---|---|---|---|
SCFO | – | – | – | – | – |
20Na2CO3-w | Na2CO3 | Na2CO3 | 20 | WI | Calcined at 500 °C in air |
20Na2CO3-d | Na2CO3 | Na2CO3 | 20 | DI | Calcined at 900 °C in air |
20NaNO3c-d | NaNO3 | Na2CO3 | 20 | DI | Calcined at 750 °C in air |
20NaNO3-d | NaNO3 | NaNO3 | 20 | DI | No further treatment |
10NaNO3-d | NaNO3 | NaNO3 | 10 | DI | No further treatment |
5NaNO3-CO2-w | NaNO3 | Na2CO3 | 5 | WI | Calcined at 550 °C in 6 vol.% CO2 |