/ / / Tab 3

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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