Modeling and Optimization by RSM for the Removal of the Dye "Palanil blue R” by Coagulation-Flocculation Process

This study aims to optimize the factors influencing the removal of textile dyes by a physicochemical treatment, coagulation-flocculation, using an experimental design. By carrying out the tests and analysing the data, the screening of the factors made it possible to identify the optimum conditions necessary to obtain better elimination. These operating conditions are pH, coagulant dose, the concentration of initial solutions, and stirring speed. Our study demonstrated the importance of applying the design of experiments methodology, particularly the response surface methodology (RSM). A full factorial design allowed the optimization of operational parameters affecting flocculation coagulation. Article Highlights The factors influencing the removal of textile dyes by a physicochemical treatment have been studied . A full factorial design allowed the optimization of operational parameters affecting flocculation coagulation . A full factorial design allowed the optimization of operational parameters affecting flocculation coagulation .