Figure 7

Comparable results of decolor rates (%) of catalysts with and without adding quenching agents of TBA (0.5 M) and Ethanol (0.5 M), with inset showing the line graph (irradiation intensity: 7.7 μW/cm2, dye concentration: 20 ppm, Fe78Si9B13 dosage: 0.5 g/L, persulfate concentration: 1.0 mM).