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

Figure 2

Removal efficiency of TOC and COD after 60 min of EC process using (a) Fe and (b) Al electrodes at different current densities (444, 111, and 28 mA/cm²) for 1.0 L of S1 wastewater.

(a)

(b)