Table 5 Comparison of adsorption capacities of CR by various adsorbents.

From: Sustainable synthesis of graphene sand composite from waste cooking oil for dye removal

Adsorbents

Maximum adsorption capacity, mg/g

References

PVA/SA/ZSM‑5 zeolite membrane

5.33

54

Banana peel dust

1.73

75

Activated carbon-jujube seed

9.81

76

Activated carbon-coconut coir pith

6.72

77

Chitosan-coated quartz sand

3.56

78

Cashew nutshell

5.18

79

Montmorillonite

12.70

80

GSCWCO

5.52

This study

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