Table 1 The effect of input parameters used in the modelling with actual and predicted values for CR dye degradation (%).
Runs | pH | Catalyst dosage (mg) | Dye concentration (ppm) | Time (min) | Degradation efficiency (%) | Residual | |
|---|---|---|---|---|---|---|---|
Experimental | Predicted | ||||||
1 | 8 | 24 | 40 | 45 | 66.76 | 68.19 | − 1.43 |
2 | 9 | 22 | 35 | 60 | 93.46 | 93.46 | 0 |
3 | 8 | 20 | 30 | 75 | 82.55 | 83.37 | − 0.8183 |
4 | 9 | 18 | 35 | 60 | 82.31 | 81.92 | 0.39 |
5 | 8 | 20 | 40 | 45 | 65.17 | 65.38 | − 0.2117 |
6 | 10 | 20 | 40 | 45 | 66.34 | 66.37 | − 0.0317 |
7 | 10 | 20 | 30 | 45 | 69.47 | 69.7 | − 0.2333 |
8 | 7 | 22 | 35 | 60 | 85.13 | 83.9 | 1.23 |
9 | 9 | 22 | 45 | 60 | 83.46 | 82.45 | 1.01 |
10 | 9 | 22 | 35 | 60 | 93.46 | 93.46 | 0 |
11 | 10 | 20 | 40 | 75 | 79.41 | 79.89 | − 0.4767 |
12 | 9 | 26 | 35 | 60 | 87.56 | 87.95 | − 0.39 |
13 | 8 | 24 | 40 | 75 | 80 | 79.93 | 0.0733 |
14 | 9 | 22 | 35 | 60 | 93.46 | 93.46 | 0 |
15 | 10 | 20 | 30 | 75 | 86.31 | 84.72 | 1.59 |
16 | 9 | 22 | 35 | 60 | 93.46 | 93.46 | 0 |
17 | 10 | 24 | 30 | 75 | 88 | 87.95 | 0.0517 |
18 | 10 | 24 | 40 | 75 | 82 | 81.93 | 0.0733 |
19 | 9 | 22 | 35 | 60 | 93.46 | 93.46 | 0 |
20 | 8 | 20 | 30 | 45 | 68.12 | 68.03 | 0.0867 |
21 | 9 | 22 | 35 | 60 | 93.46 | 93.46 | 0 |
22 | 10 | 24 | 30 | 45 | 75.86 | 75.02 | 0.8417 |
23 | 11 | 22 | 35 | 60 | 86.33 | 87.56 | − 1.23 |
24 | 8 | 20 | 40 | 75 | 78.53 | 79.21 | − 0.6817 |
25 | 10 | 24 | 40 | 45 | 71.16 | 70.5 | 0.6583 |
26 | 8 | 24 | 30 | 45 | 72.34 | 72.02 | 0.3167 |
27 | 9 | 22 | 35 | 60 | 93.46 | 93.46 | 0 |
28 | 8 | 24 | 30 | 75 | 85.46 | 85.27 | 0.1917 |
29 | 9 | 22 | 25 | 60 | 90.11 | 91.12 | − 1.01 |
30 | 9 | 22 | 35 | 60 | 93.46 | 93.46 | 0 |
