Artificial Neural Network Modeling for Biological Removal of Organic Carbon and Nitrogen from Slaughterhouse Wastewater in a Sequencing Batch Reactor

Table 7

Comparison of ANN Model “B” output and experimental values for test data set.

Serial number	COD removal efficiency (%)		NH4^+-N removal efficiency (%)		Error (%)
	Experimental values	ANN predicted values	Experimental values	ANN predicted values	COD	NH4^+-N
1	82.35	83.18	86.45	85.15	−0.83	1.30
2	85.58	84.72	88.24	87.27	0.86	0.97
3	82.30	84.15	89.30	90.56	−1.85	−1.26
4	90.93	91.25	91.22	88.95	−0.32	2.27
5	87.25	86.12	86.80	88.16	1.13	−1.36
6	84.37	82.78	86.26	85.75	1.59	0.51
7	85.33	84.62	88.50	90.78	0.71	−2.28