Research Article
Optimization of Aqueous Two-Phase Systems for the Recovery of Soluble Proteins from Tannery Wastewater Using Response Surface Methodology
Table 5
ANOVA for % recovery.
| Source | DF | Seq SS | Adj SS | Adj MS | | |
| Regression | 9 | 429.487 | 429.487 | 47.721 | 6.23 | 0.004* | Linear | 3 | 186.308 | 186.308 | 62.103 | 8.10 | 0.005* | Square | 3 | 160.677 | 160.677 | 53.559 | 6.99 | 0.008* | Interaction | 3 | 82.501 | 82.501 | 27.500 | 3.59 | 0.054 | Residual Error | 10 | 76.654 | 76.654 | 7.665 | | | Lack-of-Fit | 5 | 73.949 | 73.949 | 14.790 | 27.34 | 0.001* | Pure Error | 5 | 2.704 | 2.704 | 0.541 | | |
| Total | 19 | 506.140 | | | | |
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*Significant at 95% confidence level.
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