Sorbent

Isotherm model

Kinetic model

Capacity (mg/g)

Reference

Bentonite

Langmuir, Freundlich

-

1.7

[54]

Bentonite

Langmuir, Freundlich,Temkin

-

66.67

[49]

Bentonite

Freundlich

-

0.015

[58]

Bentonite

Langmuir

-

15

[62]

Clay

Langmuir

-

30.33

[30]

Clinoptylolite

Freundlich

-

0.23

[55]

Coal

Redlich-Peterson

Pseudo-first-order

13.28

[22]

Coal

Langmuir

-

0.24

[60]

Granite residual Soil

Langmuir, Freundlich

-

0.245

[56]

Kaolin

Langmuir

Elovich

41.0

[59]

Kaolinite

Langmuir, Freundlich

-

1.28

[47]

Kaolinite

Langmuir, Freundlich

-

0.028

[56]

Lignite

Freundlich

Pseudo-first-order

10.0

[50]

Montmorillonite

Langmuir

Elovich

40.4

[59]

Peat

Freundlich

-

0.1

[58]

Siltstone

Langmuir, Freundlich

-

0.28

[48]

Soil (Ar)

Redlich-Peterson, Sip

Pseudo-second-order

34.27

[40]

Soil (Kr)

Redlich-Peterson, Sip

Pseudo-second order

51.83

[40]

Spent oil shale

Frendlich, Langmuir,

Redlich-Peterson

-

1.0

[57]

Zeolitic tuff

Langmuir, Freundlich,

Redlich-Peterson, Temkin

Pseudo-second-order

34.5

[41]

Shale soil

Freundlich

pseudo-second-order

9.68

This study