Chloride Ion Removal from the Wet Flue Gas Desulfurization and Denitrification Wastewater Using Friedel’s Salt Precipitation Method

Table 4

Results of heavy metal ion removal.

	Cd^2+	Mg^2+	Mn^2+	Ni^2+	Pb^2+
Actual wastewater (mg/L)	4.332	10.88	23.85	37.62	9.20
Purified wastewater (mg/L)	—	0.086	0.006	—	—
Average removal efficiency (%)	100	99.21	99.97	100	100