Parameters (mg/L)

Day 1

Day 5

Day 10

Day 15

Day 25

Colour 

-

-

Diminishing

Diminishing

Colourless

Odour

-

-

Diminishing

Diminishing

Agreeable

Suspended Solids

150.2

144.5

138.8

131.1

124.8

Phosphate

2.91

2.43

2.15

1.65

1.48

Sulphide

86.4

71.7

66.3

40.1

32.5

Chloride

320

314.2

306.8

298.4

255.6

Cyanide

0.065

0.062

0.057

0.052

0.05

Ammonia

24.2

19.4

15.3

12.7

11.3

Total Hardness

652.6

554.8

528.7

490.6

465.4

Arsenic

0.055

0.052

0.049

0.045

0.04

Table 2: Waste water analysis after treatment with Fe (VI) (0.005mg /L) at Ph -9.
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