Abstract
Five model solutions formulated from the commercial dyes: C. I. Reactive Black 1 (RB1), C. I. Direct Red 23 (DR23), C. I. Acid Blue 25 (AB25), C. I. Basic Red 1 (BR1) and C. I. Mordant Orange 1 (MO1) were treated by UV-C assisted homogeneous AOPs: UV/Fe(II), UV/H2O2 and UV/Fe(II)/H2O2 (hereafter: UV/Fenton). Dye degradation in acidic medium (pH 3) was evaluated by the decrease in Total Organic Carbon (TOC) content and colour, measured by the decrease in chromophore absorption bands. In comparison to photolysis (UV alone), UV/Fe(II) and UV/H2O2, the highest extents were observed when UV/Fenton process was applied.
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