Nasser Ghalwa MA and Nader Farhat B
The main purpose of this work the removal efficiency of the pesticide imidacloprid and chemical oxygen demand (COD) from aqueous solution using the electrocoagulation process. The effect of several parameters such as initial pH, initial imidacloprid concentration, current density, type of electrolyte, salt concentration, and temperature on the pesticide and COD removal efficiency was investigated on EC performance. The obtained results showed that imidacloprid and COD removal were 95% and 89.5% by using Fe electrodes at 60 min and were 80.8% and 73.1% by using Al electrodes at 90 min. Pesticide removal kinetic followed pseudo second and first order kinetics using Fe and Al electrodes respectively. It can be concluded that electrocoagulation process by Fe electrode is very efficient and clean process for imidacloprid removal and COD from wastewater.
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