Table 2 Results of the experimental runs designed according to the CCD
Run | Factor A: pH | Factor B: contact time (min) | Factor C: concentration of acetamiprid (mg/L) | Factor D: dosage of nanoparticles (mg/L) | Removal efficiency (%) | Predicted value |
|---|---|---|---|---|---|---|
1 | 5.250 | 92.50 | 10.75 | 325.0 | 64.80 | 64.80 |
2 | 9.750 | 37.50 | 10.75 | 325.0 | 59.42 | 59.41 |
3 | 5.250 | 92.50 | 10.75 | 325.0 | 67.51 | 67.53 |
4 | 9.750 | 65.00 | 10.75 | 325.0 | 59.85 | 59.84 |
5 | 5.250 | 92.50 | 30.25 | 325.0 | 58.80 | 58.79 |
6 | 9.750 | 37.50 | 30.25 | 325.0 | 52.85 | 52.85 |
7 | 5.250 | 92.50 | 30.25 | 325.0 | 60.69 | 60.69 |
8 | 9.750 | 65.00 | 30.25 | 325.0 | 52.44 | 52.45 |
9 | 5.250 | 10.00 | 10.75 | 775.0 | 73.61 | 73.61 |
10 | 9.750 | 92.50 | 10.75 | 775.0 | 68.12 | 68.12 |
11 | 5.250 | 92.50 | 10.75 | 775.0 | 73.00 | 72.99 |
12 | 9.750 | 65.00 | 10.75 | 775.0 | 65.20 | 65.21 |
13 | 5.250 | 37.50 | 30.25 | 775.0 | 65.97 | 65.97 |
14 | 9.750 | 65.00 | 30.25 | 775.0 | 59.95 | 59.93 |
15 | 5.250 | 37.50 | 30.25 | 775.0 | 64.50 | 64.52 |
16 | 9.750 | 37.50 | 30.25 | 775.0 | 56.19 | 56.18 |
17 | 3.000 | 65.00 | 20.50 | 550.0 | 61.75 | 61.74 |
18 | 12.00 | 92.50 | 20.50 | 550.0 | 48.00 | 48.01 |
19 | 7.500 | 65.00 | 20.50 | 550.0 | 61.58 | 61.59 |
20 | 7.500 | 120.00 | 20.50 | 550.0 | 60.59 | 60.57 |
21 | 7.500 | 65.00 | 1.000 | 550.0 | 76.55 | 76.54 |
22 | 7.500 | 37.50 | 40.00 | 550.0 | 61.50 | 61.50 |
23 | 7.500 | 37.50 | 20.50 | 100.0 | 59.48 | 59.48 |
24 | 7.500 | 65.00 | 20.50 | 1000. | 72.02 | 72.02 |
25 | 7.500 | 65.00 | 20.50 | 550.0 | 71.55 | 72.63 |
26 | 7.500 | 37.50 | 20.50 | 550.0 | 73.00 | 72.63 |
27 | 7.500 | 65.00 | 20.50 | 550.0 | 70.54 | 72.63 |
28 | 7.500 | 92.50 | 20.50 | 550.0 | 72.80 | 72.63 |
29 | 7.500 | 65.00 | 20.50 | 550.0 | 74.43 | 72.63 |
30 | 7.50 | 65.00 | 20.50 | 550.0 | 73.46 | 72.63 |