Figure 11

COD removal as a function of the number of wastewater treatment cycles by photocatalyst Fe3O4/MIL-100(Fe)/TiO2 (pH 3, concentration 100 mg/l, photocatalyst dose 0.04 g/l, temperature 35 °C and UV light exposure time equal to 240 min).

COD removal as a function of the number of wastewater treatment cycles by photocatalyst Fe3O4/MIL-100(Fe)/TiO2 (pH 3, concentration 100 mg/l, photocatalyst dose 0.04 g/l, temperature 35 °C and UV light exposure time equal to 240 min).