Table 6
BET analysis of the Fe–Mn–Ce/Al2O3 nanocatalysts calcined at different times.
Specific surface area (m2/g) |
|||
---|---|---|---|
Used calcined (after test) | Fresh calcined (before test) | Precursor | Calcination time (h) |
4 | 157.3 | 163.7 | 141.6 |
5 | 157.3 | 175.9 | 156.3 |
6 | 157.3 | 198.7 | 164.2 |
7 | 157.3 | 212.2 | 196.8 |
8 | 157.3 | 184.1 | 172.9 |
Note. The bold values show the optimal condition.