Table 2.
ANOVA of quadratic response surface model for THMs removal.
| Source | Sum of | df | Mean | F | p-value | Remarks |
|---|---|---|---|---|---|---|
| Squares | Square | Value | Prob > F | |||
| Model | 1693.75 | 9 | 188.19 | 210.78 | <0.0001 | Significant |
| A-MNPs | 28.13 | 1 | 28.13 | 31.50 | 0.0008 | |
| B-pH | 12.50 | 1 | 12.50 | 14.00 | 0.0072 | |
| C-Reaction Time | 78.13 | 1 | 78.13 | 87.50 | <0.0001 | |
| AB | 6.25 | 1 | 6.25 | 7.00 | 0.0331 | |
| AC | 25.00 | 1 | 25.00 | 28.00 | 0.0011 | |
| BC | 6.25 | 1 | 6.25 | 7.00 | 0.0331 | |
| A2 | 0.000 | 1 | 0.000 | 0.000 | 1.0000 | |
| B2 | 1480.26 | 1 | 1480.26 | 1657.89 | <0.0001 | |
| C2 | 26.32 | 1 | 26.32 | 29.47 | 0.0010 | |
| Residual | 6.25 | 7 | 0.89 | |||
| Lack of Fit | 6.25 | 3 | 2.08 | |||
| Pure Error | 0.000 | 4 | 0.000 | |||
| Cor. Total | 1700.00 | 16 |