Research Article

Arsenic Removal from Natural Groundwater by Electrocoagulation Using Response Surface Methodology

Figure 4

Variation of the potential drop as a function of the EC treatment time during As removal from natural water at different current densities (5–20 A m−2) and the feedwater flow rates (a) 0.25, (b) 0.50, and (c) 1.00 L min−1.
857625.fig.004a
(a)
857625.fig.004b
(b)
857625.fig.004c
(c)