Research Article
Artificial Neural Network Modeling for Biological Removal of Organic Carbon and Nitrogen from Slaughterhouse Wastewater in a Sequencing Batch Reactor
Table 4
Data set for ANN Model “B” 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 | 2044.23 | 113.01 | 2055.46 | 8 | 7.2 | 2.8 | 84.42 | 88.90 | 2 | 2057.15 | 119.56 | 1944.22 | 8 | 7.5 | 3.4 | 84.16 | 86.55 | 3 | 1972.65 | 118.32 | 1963.51 | 8 | 7.0 | 3.2 | 86.62 | 89.88 | 4 | 1943.22 | 120.44 | 2382.33 | 8 | 7.5 | 2.9 | 82.35 | 86.45 | 5 | 2050.22 | 116.50 | 2172.24 | 8 | 7.4 | 3.1 | 88.34 | 89.85 | 6 | 1918.08 | 130.24 | 2412.52 | 8 | 7.5 | 3.5 | 84.26 | 87.15 | 7 | 1955.47 | 121.35 | 2575.44 | 8 | 8.0 | 3.8 | 82.39 | 86.96 | 8 | 2044.12 | 123.28 | 1940.22 | 8 | 7.5 | 4.0 | 85.58 | 88.24 | 9 | 2084.00 | 117.81 | 2431.25 | 8 | 7.5 | 4.1 | 87.27 | 89.50 | 10 | 2060.31 | 115.56 | 2275.32 | 8 | 7.0 | 2.6 | 86.66 | 88.95 | 11 | 1948.35 | 124.50 | 2522.13 | 8 | 7.0 | 3.0 | 87.28 | 89.55 | 12 | 1927.26 | 128.86 | 2491.21 | 8 | 7.3 | 3.8 | 82.30 | 89.30 | 13 | 1979.14 | 127.64 | 2417.22 | 8 | 7.5 | 3.4 | 86.18 | 88.55 | 14 | 1947.51 | 128.80 | 2568.21 | 8 | 8.0 | 3.5 | 86.85 | 91.35 | 15 | 2075.26 | 120.25 | 2212.54 | 8 | 8.0 | 3.2 | 89.46 | 90.25 | 16 | 2034.28 | 125.28 | 2148.25 | 8 | 7.6 | 3.0 | 90.93 | 91.22 | 17 | 2024.15 | 125.36 | 2044.21 | 8 | 7.6 | 3.7 | 84.68 | 87.57 | 18 | 1974.26 | 115.23 | 1850.24 | 8 | 7.2 | 3.6 | 84.62 | 88.37 | 19 | 1922.92 | 126.50 | 1895.21 | 8 | 7.5 | 4.2 | 87.26 | 89.25 | 20 | 2045.28 | 122.93 | 2412.52 | 8 | 7.0 | 4.5 | 87.25 | 86.80 | 21 | 2088.15 | 112.20 | 2352.01 | 8 | 7.0 | 4.4 | 85.64 | 88.25 | 22 | 2077.48 | 129.64 | 2132.55 | 8 | 7.8 | 4.0 | 89.53 | 91.60 | 23 | 2057.84 | 122.36 | 2045.28 | 8 | 7.6 | 4.1 | 90.38 | 82.25 | 24 | 1948.58 | 118.91 | 2085.33 | 8 | 7.0 | 3.4 | 84.37 | 86.26 | 25 | 1962.45 | 118.55 | 2165.21 | 8 | 7.0 | 4.5 | 85.51 | 88.78 | 26 | 2066.21 | 119.58 | 2158.32 | 8 | 7.6 | 3.8 | 87.50 | 89.28 | 27 | 1925.24 | 124.68 | 2024.32 | 8 | 7.4 | 4.0 | 86.57 | 88.24 | 28 | 1915.24 | 127.58 | 2175.33 | 8 | 7.0 | 2.8 | 85.33 | 88.50 | 29 | 2042.54 | 129.85 | 1950.23 | 8 | 7.8 | 3.0 | 89.28 | 90.26 |
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