Research Article
Removal of Pb, Cu, Cd, and Zn Present in Aqueous Solution Using Coupled Electrocoagulation-Phytoremediation Treatment
Figure 4
Effects of electrocoagulation time on Cu2+, Cd2+, Pb2+, and Zn2+ removal efficiency. Density of current (8 mA/cm2), volume of 2 L, pH: 5.27 to 5.91, and 180 minutes of treatment [52].