pH

ksec⁻¹ 10⁵

COD values in mg/l

Photodegradation efficiency %

Before degradation

After degradation

6.02

4.47

730

38

94.79

7.02

6.39

730

38

94.79

9.02

9.38

730

16

97.80

10.02

11.0

730

16

97.80