Table 7 The concentration of heavy metal ions and anions before and after adsorption in actual AMD.

From: Adsorption properties of Pb(II) and Cd(II) in acid mine drainage by oyster shell loaded lignite composite in different morphologies

Actual AMD

Heavy metal ions

Anions

Pb(II)

Cd(II)

Fe(II)

Mn(II)

Cu(II)

Zn(II)

SO42−

Initial concentrations (mg/L)

48.25

13.32

3.14

39.31

8.2

77.55

3479

Concentrations after adsorption (mg/L)

       

 OS-M(P)

5.96

1.19

0.18

8.09

1.45

8.96

998

 OS-M(G)

4.13

0.88

0.11

6.49

0.93

8.19

934

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