SL. NO

No. of days

BOD {mg/L}

COD
{mg/L}

1

5

20.0

151.3

2

10

18.3

142.6

3

15

15.2

125.4

4

20

13.1

116.5

5

25

11.5

86.2

6

30

9.2

65.9

Table 3: Variation of cod, bod of waste water with Fe (VI) Treatment.
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