Table 3.
ANOVA of quadratic response surface model for NOM removal.
| Source | Sum of | df | Mean | F | p-value | Remarks |
|---|---|---|---|---|---|---|
| Squares | Square | Value | Prob > F | |||
| Model | 11391.11 | 9 | 1265.68 | 12.18 | 0.0017 | Significant |
| A-MNPs | 827.43 | 1 | 827.43 | 7.96 | 0.0257 | |
| B-pH | 63.39 | 1 | 63.39 | 0.61 | 0.4603 | |
| C-Reaction Time | 5221.40 | 1 | 5221.40 | 50.25 | 0.0002 | |
| AB | 36.66 | 1 | 36.66 | 0.35 | 0.5712 | |
| AC | 428.28 | 1 | 428.28 | 4.12 | 0.0819 | |
| BC | 51.62 | 1 | 51.62 | 0.50 | 0.5037 | |
| A2 | 231.74 | 1 | 231.74 | 2.23 | 0.1790 | |
| B2 | 1047.63 | 1 | 1047.63 | 10.08 | 0.0156 | |
| C2 | 3105.67 | 1 | 3105.67 | 29.89 | 0.0009 | |
| Residual | 727.36 | 7 | 103.91 | |||
| Lack of Fit | 727.36 | 3 | 242.45 | |||
| Pure Error | 0.000 | 4 | 0.000 | |||
| Cor. Total | 12118.47 | 16 |