Table 1.

Mean and standard deviation of physicochemical parameters of wastewaters.

Parameters	RPCE	DWW	Mixed wastewater
pH	7.5 ± 0.15	7.1 ± 0.21	7.23 ± 0.14
EC (ms/cm)	8.71 ± 0.53	9.03 ± 0.86	8.80 ± 0.72
Temperature (°C)	29.43 ± 0.74	30.52 ± 0.83	30 ± 0.35
Color (*ADMI)	1105.3 ± 91.09	800.9 ± 46.71	1074.86 ± 81.19
COD (mg/l)	835.38 ± 216.60	3250.27 ± 198.63	1076.86 ± 109.19
N (mg/l)	4.4	98	13.76
P (mg/l)	0.265	38	4.03
C (mg/l)	66.15	300	89.53
K (mg/l)	46.5	57.5	47.6

*American dye manufacturers institute.