Research Article
Artificial Neural Network Modeling for Biological Removal of Organic Carbon and Nitrogen from Slaughterhouse Wastewater in a Sequencing Batch Reactor
Table 6
Comparison of ANN Model “A” output and experimental values for test data set.
| Serial number | COD removal efficiency (%) | -N removal efficiency (%) | Error (%) | Experimental values | ANN predicted values | Experimental values | ANN predicted values | COD | -N |
| 1 | 86.45 | 87.32 | 86.92 | 85.54 | −0.87 | 1.38 | 2 | 89.33 | 90.52 | 85.83 | 87.22 | −1.19 | −1.39 | 3 | 88.65 | 86.15 | 82.97 | 84.19 | 2.50 | −1.22 | 4 | 90.42 | 88.95 | 84.22 | 85.12 | 1.47 | −0.90 | 5 | 85.22 | 84.55 | 82.85 | 82.12 | 0.67 | 0.73 | 6 | 84.29 | 87.15 | 85.52 | 84.28 | −2.86 | 1.24 | 7 | 90.22 | 89.51 | 88.25 | 86.45 | 0.71 | 1.80 |
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