Dose of lime (g)

0

2

4

6

8

10

12

COD (gO₂/L)

74.5

44.8

31.8

28.8

19.2

7.63

7.5

BOD5 (gO₂/L)

38.3

13.7

12.7

12.3

10.3

6.33

3.6

COD/BOD5

1.95

3.27

2.50

2.34

1.86

1.21

2.08