S.N.

Name of sorbents

pH

Qmax (mg/g)

References

1

Iron oxide nanoparticles

7

3.33

[8]

2

Ionically modified the iron oxide nanoparticle

3

50.5

[9]

3

Bare iron oxide nanoparticle

3

25.1

[9]

4

Magnetic iron oxide nanoparticles (MION-Tea)

7

153.8

[30]

5

Zr(IV) loaded SOJR

3.1

74.42

[34]

6

Tire rubber-alumina composite (TRAL)

3

19.60

[35]

7

Activated carbon-alumina composites (ACAL)

3

23.80

[35]

8

Fe(III)-treated Staphylococcus xylosus biomass

3

61.34

[36]

9

Magnetite nanoparticles (MNPs)

2

62.89

This work