Research Article

Phenol Photocatalytic Degradation by Advanced Oxidation Process under Ultraviolet Radiation Using Titanium Dioxide

Figure 12

Influence of initial phenol concentration and contact time (a) effluent phenol concentration and (b) phenol removal efficiency ( : 25–100 mg/L, solution pH: 6.5, distance of UV source: 15 cm, and contact time 0–300 min).
815310.fig.0012a
(a)
815310.fig.0012b
(b)