Table 4.
ANOVA Analysis of the Removal Efficiency of MB from Wastewater.
| Source | Sum of squares | df | Mean Square | F-value | p-value | |
|---|---|---|---|---|---|---|
| Model | 8192.33 | 9 | 910.26 | 91.06 | < 0.0001 | Significant |
| A-Time | 3192.01 | 1 | 3192.01 | 319.30 | < 0.0001 | |
| B-Temp | 2952.19 | 1 | 2952.19 | 295.31 | < 0.0001 | |
| C-Initial Conc | 243.54 | 1 | 243.54 | 24.36 | 0.0017 | |
| AB | 457.32 | 1 | 457.32 | 45.75 | 0.0003 | |
| AC | 67.98 | 1 | 67.98 | 6.80 | 0.0350 | |
| BC | 818.25 | 1 | 818.25 | 81.85 | < 0.0001 | |
| A2 | 443.99 | 1 | 443.99 | 44.41 | 0.0003 | |
| B2 | 0.0370 | 1 | 0.0370 | 0.0037 | 0.9532 | |
| C2 | 7.43 | 1 | 7.43 | 0.7436 | 0.4171 | |
| Residual | 69.98 | 7 | 10.00 | |||
| Lack of Fit | 34.56 | 3 | 11.52 | 1.30 | 0.3895 | not significant |
| Pure Error | 35.42 | 4 | 8.85 | |||
| Cor Total | 8262.31 | 16 |