Parameters

Unit

SS alone

SS:AW ratio

4:1

3:2

pH

7.47 ± 0.35

7.62 ± 0.23

6.78 ± 0.102

TS

mg/l

39,831 ± 3987.6

35,397 ± 3145.7

31,148 ± 2517

VS

mg/l

27,043 ± 4956

23,199 ± 2053

19,327 ±1678.4

COD

mg/l

32,872 ± 2600.5

28,203 ± 1609.7

25,607 ± 2345

BOD5

mg/l

12,600 ± 3567

11,222.9 ± 735.6

9895 ± 1507.2

TN

mg/l

49.60 ± 8.30

84.5 ± 11.30

91.10 ± 3.3

TP

mg/l

78.80 ± 9.40

67.61 ± 4.10

83.02 ± 7.4

TK

mg/l

231.7 ± 13.25

107.13 ± 21.08

99.87 ± 15.16

Ascaris

No/l

18,000 - 39,000

14,000 - 32,000

10,000 - 26,000

Hook worm

No/l

0 - 3800

0 - 2400

Nil