10⁻⁴ [IC]

sec⁻¹

Effect of pH

COD values in mg/l

Before degradation

After degradation

Before degradation

After degradation

0.5

4.19 × 10⁵

6.97

6.15

370

16

0.75

4.13 × 10⁵

7.34

6.90

490

32

1.0

3.88 × 10⁵

7.68

6.89

710

16

1.25

3.05 × 10⁵

7.82

6.83

930

32

1.5

2.99 × 10⁵

7.91

6.75

1327

32