Table 3 Heavy metals concentrations in POME FD (treatment) and rain water (control).

From: The effect of Palm Oil Mill Effluent Final Discharge on the Characteristics of Pennisetum purpureum

Element

POME FD (ppb)

Rain water (ppb)

Aluminium (Al)

100.33 ± 8.91a

30.65 ± 2.26b

Arsenic (As)

35.73 ± 0.04a

0.89 ± 0.01b

Cadmium (Cd)

0.053 ± 0.02b

0.074 ± 0.05a

Cobalt (Co)

2.20 ± 0.08a

0.14 ± 0.11b

Chromium (Cr)

8.27 ± 0.13a

2.89 ± 0.24b

Nickel (Ni)

11.65 ± 0.48a

1.17 ± 0.17b

Lead (Pb)

0.19 ± 0.01a

0.08 ± 0.01b

  1. a,bmean significant differences at p-value < 0.0001, according to Duncan’s Multiple Range Test.
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