Nickel Removal from Aqueous Solution Using Chemically Treated Mahogany Sawdust as Biosorbent

Table 4

Comparison of adsorption capacities of different water material-based adsorbents for nickel ion adsorption.

Adsorbent material	Adsorption capacity (mg/g)	References
Treated mahogany sawdust	13.42	This investigation
Raw mahogany sawdust	5.35	This investigation
Banana peel	6.88	[36]
Orange peel	6.01	[36]
Pine sawdust	0.065	[37]
Rice husk	0.21–7.63	[38]
Aluminum impregnated fly ash	12.67	[39]
Coconut coir pith	24.39	[40]
Activated carbon/chitosan bead	108.7	[39]