Response Surface Methodology (RSM)-Based Prediction and Optimization of the Fenton Process in Landfill Leachate Decolorization

As an advanced oxidative processes, the Fenton process is receiving popularity as a wastewater treatment technique that can be used for hazardous landfill leachate. The simple, yet involves complex interactions between affecting parameters including reaction time, H2O2/Fe2+ ratio, pH, and iron (II) ion concentration. Hence, purpose of this present study was to analyze factors leachate well their interaction by means response surface methodology (RSM) with central composite design. independent variables were concentration, dependent variable (response) color-removal percentage. optimum conditions Fe2+ time 8.36, 3.32, 964.95 mg/L, 50.15 min, respectively. model predicted 100% color removal in conditions, which close obtained from experiment (97.68%). In conclusion, optimized using RSM approach promotes efficient even higher than already reported.