Pollutant Removal from Wastewater at Different Stages of the Tanning Process by Electrocoagulation

Figure 3

Effect of current density on the energy consumption and the COD and TOC removal efficiencies with (a) Fe electrode and (b) Al electrode. Conditions: pH 7.0; S1-beamhouse wastewater; electrolysis time = 60 min.

(a)

(b)