Substrate

P-adsorption maximum

mg∙P∙g−1

Reference

Ace ALD ochre

7.41

[21]

AMD flocs ? Lime treated

0.73

[22]

AMD flocs ? NaOH treated

0.76

[22]

AMD flocs ? NH4 treated

0.86

[22]

Apatite

0.28 - 1.09

[23]

Avoca ochre

21

[24]

Babb Creek ochre

1.82

[21]

Bauxite

0.61

[25]

Blast Furnace Slag

0.40 - 0.45

[26]

Burnt oil shale

0.65

[25]

Coal ash

0.081 - 29.5

[27]

Dolomite

0.168

[28]

Dolomite sand

0.417

[29]

Fly Ash

0.62

[26]

Fly ash

5.5 - 42.6

[30]

Friendship Hill ochre

23.9

[21]

Gravel

0.03 - 0.05

[26]

Iron ochre (coal mine drainage treatment)

26

[31]

Iron-coated sand

27.4

[14]

Laterite

0.75

[32]

Minto Ochre

30.5

[33]

Ochre pellets

22

[31]

Polkemmet Ochre

26

[33]

Randy Camp ochre

5.53

[21]

Sands (Danish)

0.02 - 0.129

[34]

Shale

0.75

[32]

Shell sand

14 - 17

[35]

Shell sand

0.8 - 8.0

[36]

Shell sand

9.6

[37]

Steel Slag

0.38

[26]

Toby Creek ochre

22.6

[21]

West Virginia ochre

31.97

[38]

Zeolite

1

[32]

Zeolite

2.15

[39]