Research Article
Preparation, Characterization, and Photocatalytic Properties of Modified Red Mud
Figure 5
Effect of amount of HCl solution on the removal percentage of MO. Experimental conditions: 30 g red mud, HCl 5 mol/L, 5 × 10−5 mol/L MO, 0.7 g/L modified red mud, and irradiation time of 50 min.