Research Article
Artificial Neural Network Modeling for Biological Removal of Organic Carbon and Nitrogen from Slaughterhouse Wastewater in a Sequencing Batch Reactor
Table 3
Data set for ANN Model “A” under (
) hour aerobic-anoxic react period.
| Serial number | Initial COD (mg/L) | Initial -N (mg/L) | Initial MLVSS (mg/L) | Time (hour) | pH | Initial DO (mg/L) | % COD removal efficiency | % -N removal efficiency |
| 1 | 2004.25 | 112.41 | 2155.41 | 8 | 7.1 | 3.8 | 86.45 | 86.92 | 2 | 2077.11 | 118.55 | 1844.22 | 8 | 7.4 | 2.4 | 88.11 | 88.52 | 3 | 1922.64 | 117.34 | 1863.57 | 8 | 7.1 | 3.5 | 89.62 | 88.81 | 4 | 1913.21 | 121.46 | 2482.36 | 8 | 7.0 | 2.7 | 85.37 | 84.44 | 5 | 2030.25 | 117.52 | 2272.21 | 8 | 7.2 | 3.6 | 89.33 | 85.83 | 6 | 1938.48 | 120.25 | 2212.54 | 8 | 7.0 | 3.7 | 83.21 | 85.11 | 7 | 1925.41 | 124.36 | 2475.45 | 8 | 8.0 | 3.8 | 80.19 | 84.9 | 8 | 2024.17 | 122.24 | 1940.26 | 8 | 7.0 | 4.4 | 86.08 | 85.25 | 9 | 2094.40 | 113.84 | 2131.22 | 8 | 7.5 | 4.0 | 88.25 | 86.54 | 10 | 2040.33 | 116.55 | 2075.35 | 8 | 7.0 | 2.8 | 88.65 | 82.97 | 11 | 1998.34 | 125.52 | 2322.14 | 8 | 7.0 | 3.0 | 85.22 | 88.54 | 12 | 1917.24 | 127.84 | 2391.22 | 8 | 7.2 | 3.0 | 85.39 | 89.31 | 13 | 1989.17 | 128.66 | 1917.27 | 8 | 7.5 | 3.6 | 84.11 | 82.58 | 14 | 1997.57 | 129.88 | 1968.26 | 8 | 8.0 | 3.5 | 86.05 | 90.31 | 15 | 2085.27 | 124.24 | 2012.55 | 8 | 7.0 | 3.0 | 90.42 | 84.22 | 16 | 2054.22 | 122.26 | 2048.22 | 8 | 7.4 | 3.0 | 91.94 | 86.27 | 17 | 2014.11 | 122.31 | 2144.24 | 8 | 7.2 | 3.7 | 84.18 | 88.55 | 18 | 1984.27 | 116.27 | 1950.25 | 8 | 7.1 | 3.8 | 84.62 | 89.33 | 19 | 1932.92 | 127.57 | 1995.27 | 8 | 7.5 | 4.3 | 85.21 | 86.28 | 20 | 2015.28 | 123.94 | 2212.51 | 8 | 7.5 | 4.4 | 85.22 | 82.85 | 21 | 2008.15 | 122.27 | 2352.81 | 8 | 7.0 | 4.2 | 83.64 | 81.22 | 22 | 2017.47 | 126.67 | 2432.55 | 8 | 7.6 | 4.0 | 88.52 | 81.6 | 23 | 2037.81 | 120.76 | 2245.28 | 8 | 7.6 | 4.2 | 91.39 | 82.27 | 24 | 1938.58 | 119.41 | 2185.35 | 8 | 7.4 | 3.6 | 85.35 | 85.22 | 25 | 2096.55 | 125.22 | 2265.21 | 8 | 7.5 | 3.5 | 84.29 | 85.52 | 26 | 2036.28 | 115.48 | 2258.36 | 8 | 7.1 | 3.4 | 86.55 | 87.22 | 27 | 1965.25 | 114.88 | 2424.37 | 8 | 7.4 | 4.0 | 87.56 | 84.25 | 28 | 1975.27 | 126.48 | 2575.36 | 8 | 7.0 | 2.9 | 86.34 | 87.54 | 29 | 2072.55 | 128.85 | 1850.29 | 8 | 7.5 | 3.0 | 90.22 | 88.25 |
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