Wastewater Treatment Using a Photoelectrochemical Oxidation Process for the Coffee Processing Industry Optimization of Chemical Oxygen Demand (COD) Removal Using Response Surface Methodology

<div>Interaction effect of independent variables 3D response surface plots for % removal of COD, by the combination of ECO with UV/H<sub>2</sub>O<sub>2</sub> using CaCl<sub>2</sub>.</div>

International Journal of Analytical Chemistry

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Figure 7

Figure 7: Wastewater Treatment Using a Photoelectrochemical Oxidation Process for the Coffee Processing Industry Optimization of Chemical Oxygen Demand (COD) Removal Using Response Surface Methodology 

Figure 7 | Wastewater Treatment Using a Photoelectrochemical Oxidation Process for the Coffee Processing Industry Optimization of Chemical Oxygen Demand (COD) Removal Using Response Surface Methodology 