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Table 6 Adsorption comparison of different adsorbents in MG in the literature

From: Adsorptive removal of malachite green dye from aqueous solution onto activated carbon of Catha edulis stem as a low cost bio-adsorbent

Adsorbent

qm (mg/g)

pH

Isotherm

Kinetic

References

Cellulose powder

2.42

7.2

Both FIM and LIM

PSO

Sekhar et al. (2009)

Polymeric gel (C4)

4.9

8

LIM

PSO

Malana et al. (2010)

Neem saw dust

7.2

4.35

LIM

–

Khattri and Singh (2009)

Tamarind fruit shell

1.95

5

LIM

PSO

Saha (2010)

Commercial activated carbon

8.27

7

FIM

PSO

Mall et al. (2005)

Avena sativa (oat) hull

83

8

FIM

PSO

Banerjee et al. (2016)

Unsaturated polyester Ce(IV) phosphate

1.01

8

FIM

IPDM

Khan et al. (2013b)

Sepia

3.48

 

Both LIM and FIM

–

Figueiredo et al. (2000)

Chlorella-based biomass

18.4

–

–

PSO

Tsai and Chen (2010)

Khat edulis activated carbon

5.62

10

FIM

PSO

This study

  1. FIM Freundlich isotherm model, LIM Langmuir isotherm model, IPDM inter particle diffusion model, PSO pseudo second order