Hydroxyzine removal from the polluted aqueous solution using the hybrid treatment process of electrocoagulation and adsorption; optimization, and modeling

Abstract The current work investigated the efficacy of hybrid treatment process electrocoagulation and adsorption in removing hydroxyzine (HDZ) from polluted aqueous solutions. Response surface methodology (RSM) was used to optimize operating parameters based on sub-category central composite design (CCD). significance variables, interactions, quadratic effects through analysis variance (ANOVA). value determination coefficient ( R 2 ), Adjusted (Adj. ) predicted (Pred. were 0.9855, 0.9791, 0.9743, respectively; also, p-value P < 0.0001, F-value 65.91 obtained. obtained results revealed that removal efficiency 99.3% electrical energy consumption 0.438 kWh m ?3 achieved at optimum condition initial HDZ concentration 25.0 mg L ?1 , pH solution 8.0, density 12.0 mA cm ?2 reaction time 15.0 min, chitosan dosage 0.03 g . According Pareto analysis, concentration, pH, density, time’s contribution 22.61%, 38.99%, 19.36%, 9.43, respectively. Furthermore, contributions with 3.43% 6.19%, Thus, highest process. Overall, by EC AD a good efficiency; it can be potentially presented as promising for treating water.