Table 3 Comparison of various adsorption capacities with WBWA and VWBWA for lead adsorption.

From: Utilization of valorised wood bark waste as an adsorbent for the uptake of Pb(II) ions

Adsorbents

Qmax(mg/g)

References

Acid activated bentonite clay

92.9

Budsaereechai et al.17

Modified coal fy ash

31.4

Astuti et al.18

Sphagnum peat moss

9.5

Lubbad and Al-Batta19,

Carbonized sawdust

87.7

Aigbe and Kavaz20

Ball milled Wheat straw-biochar

134.68

Cao et al.21

Agave bagasse

93.14

Cholico-Gonzalez et al.22

Magnetic graphen oxide

58.43

Zhang et al.23

Camphor leaves biochar (BC)

62.27

Li et al.59

Cold KOH activated camphor leaves biochar (ABC)

90.09

Li et al.59

Carbon nanoparticle impregnated on clay aggregate

22.8

Ghahremani et al.60

Cotton straw-derived biochar

124.7

Wang et al.61

Kiwi branch biochar modified with Zn-Fe (KB/Zn-Fe)

 

Tan et al.62

Ragweed biochar

 

Lian et al.63

WBWA

59.196

This study

VWBWA

114.032

This study