Type of battery leachate (MABL)

Parameter

BL6

BL7

BL8

PH

3.97

3.38

1.51

Cadmium

1.333 ± 1.42

1.413 ± 0.06

1.417 ± 0.06

Cobalt

1.847 ± 0.42

1.857 ± 0.21

1.867 ± 0.06

Chromium

22.3 ± 23.39

30.0 ± 15.59

21.833 ± 4.16

Copper

2.63 ± 1.21

2.377 ± 1.36

28.4 ± 9.64

Iron

1.67 ± 0.90

1.777 ± 0.49

5.04 ± 2.34

Manganese

1.85 ± 0.17

1.843 ± 0.12

1.837 ± 0.15

Molybdenum

2.01 ± 0.44

2.023 ± 0.15

2.037 ± 0.12

Nickel

2.057 ± 2.94

2.23 ± 0.46

2.458 ± 0.49

Lead

10.813 ± 8.80

5.07 ± 0.89

7.14 ± 2.61

Selenium

1.673 ± 2.63

1.957 ± 0.95

2.25 ± 2.04

Zinc

1.8 ± 1.39

1.897 ± 0.15

2.92 ± 0.52

Table 2: Characterization of proximate heavy metals (Chemical components) of Municipal auto- battery Leachate (MABL). Values are significantly higher (P<0.05) against the NAFDAC, USEPA, FEPA and WHO, n=3. Values are measured in part per million (ppm).