Abstract
The aim of this study was to treat reactive blue 19 (RB 19) in solution by electrocoagulation (EC) process, using aluminum cathodes modified by zinc oxide nanoparticles (ZnO-NPs). Cyclic voltammetry methodology (CVM) was used to investigate the effect of coating aluminum electrodes with ZnO-NPs. The response surface methodology (RSM) based on central composite design (CCD) and analysis of variance (ANOVA) were used to evaluate and optimize the variables and the response, which was dye removal efficiency. The economic and energy analyses confirmed that this process was a promising method for pretreatment and treatment of industrial textile wastewater.
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