Variable Average ± SD pH 6.4 ± 0.1 T (ºC) 33 COD (mg/L) 8692 ± 1262 O&G (mg/L) 2403 ± 521 Total Solids (mg/L) 6717 ± 3049 Fixed Total Solids (mg/L) 1807 ± 151 Volatile Total Solids (mg/L) 4910 ± 2898 Total Nitrogen (mg/L) 434 ± 2 Total Phosphorus (mg/L) 6.5 ± 0.7 Average and standard deviations of three samples of collected effluent

Table 1: Characterization of the raw effluent from the poultry processing industry. The effluent was characterized in terms of pH, COD, suspended solids (total, fixed and volatile), total nitrogen, total phosphorus and oils and greases, according to standard procedures (APHA 2005).