Table 1.

Physicochemical parameters of influent.

Influent parameter	Range of variation
pH	5.7–8.5
Temperature (°C)	30–35
COD (mg L-1)	2,953–9,483
NH4+-N (mg L-1)	1.1–10.2
TN (mg L-1)	9.04–22.8
TP (mg L-1)	12.4–200
Cl- (mg L-1)	427–1,958
SS (mg L-1)	200–1,050