Research on Phthalic Acid Esters Removal and Its Health Risk Evaluation by Combined Process for Secondary Effluent of Wastewater Treatment Plant

Table 1

The quality of raw water.

Water quality index	Water temperature (°C)	pH	Turbidity (NTU)	CODMn (mg/L)	Chroma (degree)	UV254 (cm^−1)
Variation range	20–28	7-8	1–10 (5.6)	5–30 (13.4)	10–50 (29.7)	0.1–0.25 (0.164)

Numbers in ( ) are average value.