Abstract
Textile manufacturing is the one responsible for water bodies' contamination through the discharge of colored wastes. This work presents the study of reactive yellow HF (RYHF) dye degradation under two different electrochemical advanced oxidation processes (EAOP), namely anodic oxidation (AO) and electro-Fenton (EF)/boron-doped diamond (BDD) process. For the AO, 100 and 300mg/L solutions using Pt and BDD as anodes in a 100mL stirred tank cell were used, with a supporting electrolyte of 0.05mol/L of Na2SO4 at pH3 under 30 and 50mA/cm2 current density. The EF/BDD process was carried out in a flow reactor at 4 and 7L/min to degrade 100, 200, and 300mg/L RYHF solutions under 50 and 80mA/cm2. UV-Vis determinations were used for decolorization evaluation, while high-performance liquid chromatography (HPLC) method provided information on dye degradation rate.
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