Parameters

Senegalese Discharge Standard Limit [19]

FV1

FV2

FV1a

FV1b

FV1c

FV2a

FV2b

T (˚C)

30

27.8 ± 0.9

27.2 ± 1.1

27.1 ± 1.4

26.1 ± 0.6

26.2 ± 0.5

EC (mS/cm)

2000

1179 ± 91

1314 ± 132

1191 ± 94

888.0 ± 301

1061 ± 122

pH

9.5

7.8 ± 0.2

8.3 ± 0.1

8.1 ± 0.1

5.7 ± 0.4

5.8 ± 0.4

SS (mg/L)

40

59.7 ± 31

64.0 ± 14

49.5 ± 11

11.9 ± 4.2

13.7 ± 4.3

BOD5 (mg/L)

50

107.9 ± 68

113.4 ± 57

81.0 ± 32

2.4 ± 1.6

2.3 ± 1.7

COD (mg/L)

200

239.2 ± 58

268.7 ± 83

188.5 ± 31

94.0 ± 36

82.2 ± 39

N-TN (mg/L)

30

68.2 ± 17

73.0 ± 19

79.8 ± 8

38.6 ± 21

37.3 ± 17

N - N H 4 + (mg/L)

30

41.9 ± 11

42.8 ± 13

42.5 ± 14

4.8 ± 2.4

3.5 ± 2.1

N - N O 3 (mg/L)

30

21.4 ± 9.7

18.6 ± 8.6

21.3 ± 11

31.4 ± 12

29.8 ± 11

P - P O 4 3 (mg/L)

10

48.1 ± 25

53.5 ± 21

44.2 ± 23

13.0 ± 5.2

14.6 ± 4.8