Degradation of Anthraquinone Dye Reactive Blue 4 in Pyrite Ash Catalyzed Fenton Reaction

Figure 3

Leaching metals from PA during the reaction (pH = 2.5; [PA]₀=0.2 g/L⁻¹; [H₂O₂]₀ = 5 mM; [RB4] = 100 mg/L).