Run | pH | Contact time (min) | Dose (g/200Â mL) | Initial concentration (mg/L) | Cr (VI) Removal (%) | Predicted Cr (VI) Removal (%) |
---|---|---|---|---|---|---|
1 | 5 | 90 | 3 | 2.25 | 95.57 | 95.65 |
2 | 6 | 90 | 2 | 2.25 | 89.67 | 90.05 |
3 | 5 | 60 | 2 | 2.25 | 92.14 | 92.55 |
4 | 6 | 60 | 3 | 4 | 79.87 | 79.85 |
5 | 5 | 90 | 1 | 2.25 | 94.04 | 94.81 |
6 | 5 | 90 | 2 | 0.5 | 95.27 | 94.76 |
7 | 4 | 120 | 1 | 0.5 | 85.89 | 86.03 |
8 | 4 | 60 | 1 | 0.5 | 81.49 | 81.03 |
9 | 4 | 120 | 1 | 4 | 78.49 | 78.51 |
10 | 6 | 120 | 1 | 0.5 | 83.21 | 83.36 |
11 | 6 | 120 | 3 | 4 | 78.54 | 78.67 |
12 | 5 | 90 | 2 | 2.25 | 98.37 | 97.59 |
13 | 5 | 90 | 2 | 2.25 | 98.37 | 97.59 |
14 | 6 | 120 | 1 | 4 | 75.73 | 75.03 |
15 | 4 | 90 | 2 | 2.25 | 91.39 | 91.85 |
16 | 5 | 90 | 2 | 2.25 | 97.88 | 97.59 |
17 | 4 | 60 | 1 | 4 | 77.95 | 77.84 |
18 | 4 | 120 | 3 | 0.5 | 83.61 | 83.34 |
19 | 4 | 120 | 3 | 4 | 80.82 | 80.69 |
20 | 5 | 90 | 2 | 2.25 | 98.37 | 97.59 |
21 | 6 | 120 | 3 | 0.5 | 81.89 | 82.12 |
22 | 5 | 90 | 2 | 2.25 | 97.11 | 97.59 |
23 | 4 | 60 | 3 | 4 | 81.24 | 80.76 |
24 | 6 | 60 | 1 | 0.5 | 79.21 | 79.46 |
25 | 5 | 90 | 2 | 2.25 | 97.97 | 97.59 |
26 | 6 | 60 | 3 | 0.5 | 79.33 | 78.97 |
27 | 4 | 60 | 3 | 0.5 | 78.25 | 79.08 |
28 | 5 | 90 | 2 | 4 | 90.08 | 91.44 |
29 | 5 | 120 | 2 | 2.25 | 94.03 | 94.46 |
30 | 6 | 60 | 1 | 4 | 75.53 | 75.47 |