Oxidant availability in soil and its effect on HCB removal during electrokinetic Fenton process

▶ This paper reports the results of a series of electrokinetic Fenton experiments carried out to investigate the effect of oxidant delivery and availability on contaminant removal and its subsequent impact on the treatment duration. ▶ The results indicate that the treatment duration can be considerably reduced by the proper introduction of the oxidants to the soil. ▶ The oxidation reactions in these experiments did not show any pH dependence in the range 2.9-5. ▶ The results emphasize the importance of proper choice of oxidant injection points which increases the oxidant availability to the soil contaminants and thereby improves the overall performance of the process.