Research Article
Analysis of the Sedimentation Characteristics of Ultrafine Tailings Based on an Orthogonal Experiment
Table 5
Visual analysis of orthogonal experiment results.
| | Group | Polyacrylamide | Polyaluminum chloride | Polyaluminum sulfate | Polyferric sulfate | Clarification layer height (1 hour) |
| | M1 | 2 | 0.05 | 0.5 | 0.5 | 676 | | M2 | 2 | 0.1 | 1 | 1 | 681 | | M3 | 2 | 0.15 | 1.5 | 1.5 | 668 | | M4 | 3 | 0.05 | 1 | 1.5 | 625 | | M5 | 3 | 0.1 | 1.5 | 0.5 | 576 | | M6 | 3 | 0.15 | 0.5 | 1 | 565 | | M7 | 4 | 0.05 | 1.5 | 1 | 645 | | M8 | 4 | 0.15 | 0.5 | 1.5 | 592 | | M9 | 4 | 0.1 | 1 | 0.5 | 635 |
| | k1 | 675.000 | 648.667 | 611.000 | 629.000 | | | k2 | 588.667 | 616.333 | 647.000 | 630.333 | | | k3 | 624.000 | 622.667 | 629.667 | 628.333 | | | R | 86.333 | 32.334 | 36.000 | 2.000 | |
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