Research Article

Synergistic Removal of Humic Acid in Water by Coupling Adsorption and Photocatalytic Degradation Using TiO2/Coconut Shell Powder Composite

Figure 8

Effect of pH in aqueous solution on the degradation rate of HA (initial concentration of HA = 30 mg/L, light source = 8.4 mW/cm2 of UVC, and pH = 7).