Research Article
Removal Efficiency and Mechanism of Sulfamethoxazole in Aqueous Solution by Bioflocculant MFX
Table 4
Orthogonal test result and visual analysis.
| Tests | pH
| Flocculant dosage (mL) | Coagulant aid dosage (mL) | Reaction time (h) | Removal efficiency (%) |
| 1 | 1 | 1 | 1 | 1 | 40.64 | 2 | 1 | 2 | 2 | 2 | 48.38 | 3 | 1 | 3 | 3 | 3 | 50.13 | 4 | 2 | 1 | 2 | 2 | 36.91 | 5 | 2 | 2 | 3 | 1 | 30.26 | 6 | 2 | 3 | 1 | 3 | 44.27 | 7 | 3 | 1 | 3 | 2 | 29.86 | 8 | 3 | 2 | 1 | 3 | 35.03 | 9 | 3 | 3 | 2 | 1 | 41.70 | Average 1 | 46.383 | 35.803 | 39.980 | 37.533 | | Average 2 | 37.147 | 37.890 | 42.330 | 40.837 | | Average 3 | 35.530 | 45.367 | 36.750 | 40.690 | | Variance | 10.853 | 9.564 | 5.580 | 3.304 | |
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