Table 2.
Independent variables and their levels in photocatalytic oxidation of CBZ
| Variables | ||||||
|---|---|---|---|---|---|---|
| Un-coded | Coded | Levels |
||||
| −0.5 | −1 | 0 | 1 | 0.5 | ||
| pH | X1 | 5.5 | 4 | 7 | 10 | 8.5 |
| Catalyst Loading, g/L | X2 | 0.75 | 0.5 | 1 | 1.5 | 1.25 |
| Initial CBZ Concentration, ppm | X3 | 7.5 | 5 | 10 | 15 | 12.5 |
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