Research Article
Optimization of Aqueous Two-Phase Systems for the Recovery of Soluble Proteins from Tannery Wastewater Using Response Surface Methodology
Table 7
ANOVA for recovery (%) without outlier.
| Source | DF | Seq SS | Adj SS | Adj MS | | |
| Regression | 9 | 483.698 | 483.698 | 53.744 | 35.62 | 0.000* | Linear | 3 | 180.715 | 182.794 | 60.931 | 40.39 | 0.000* | Square | 3 | 220.481 | 220.481 | 73.494 | 48.71 | 0.000* | Interaction | 3 | 82.501 | 82.501 | 27.500 | 18.23 | 0.000* | Residual Error | 9 | 13.578 | 13.578 | 1.509 | | | Lack-of-Fit | 4 | 10.874 | 10.874 | 2.718 | 5.03 | 0.053 | Pure Error | 5 | 2.704 | 2.704 | 0.541 | | |
| Total | 18 | 497.275 | | | | |
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*Significant at 95% confidence level.
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