Research Article

Visible Light Induced Photocatalytic Degradation of Methyl Red with Codoped Titania

Figure 6

Rate of mineralization (COD disappearance) as function of time during degradation of methyl red under visible light. Conditions: [methyl red] = 5 mg/L, N/Mn-TiO2 = 2.00 g/L, pH = 4.