Adsorbent

Temperature

T (˚C)

Isothermal type

Exothermicity

Adsorption capacity (qm × 103 (g/g))

Reference

Smoothing

model

Clay

29 - 83.5

I

+

15

[10]

Freundlich

Triassic sandstone

27 - 65.5

I

+

14

-

Langmuir and Freundlich

Jurassic evaporates

23 - 84

I

+

7

-

Freundlich