Research Article

Supported Zinc Oxide Photocatalyst for Decolorization and Mineralization of Orange G Dye Wastewater under UV365 Irradiation

Figure 2

(a) Synergic effect of UV and ZnO on UV/ZnO photocatalytic system. (b) UV spectra of OG under UV/ZnO decolorization. The conditions were initial dye concentration of 50 mg L−1, ZnO loading of 60 g m−2, light intensity of 2.1 mW cm−2, and reaction time during 120 min.