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

Table 1

Characteristics and composition of slaughterhouse wastewater.

Parameters; (all units are in mg/L except pH)	Raw wastewater range	Pre treated wastewater range
pH	8.0–8.5	7.5–8.5
Total suspended solids	10120–14225	4255–5340
Total dissolved solids	6345–7840	2800–3830
COD	4185–5240	1930–2096
BOD5 at 20°C	3000–3500	1010–1465
Total Kjeldahl nitrogen (TKN)	450–560	315–412
NH4^+-N (as N)	215–310	110–130