Combined Application of UV Photolysis and Ozonation with Biological Aerating Filter in Tertiary Wastewater Treatment

<table>COD removal contrast with BAF, O<sub>3</sub>/BAF, and UV/O<sub>3</sub>/BAF (oxidation contact time 20 min, O<sub>3</sub> dosage 8 mg/L).</table>

International Journal of Photoenergy

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Figure 6

Figure 6: Combined Application of UV Photolysis and Ozonation with Biological Aerating Filter in Tertiary Wastewater Treatment 