Adsorption of Cd (II), Cu (II), and Zn (II) from Aqueous Solution onto Nitrogen-Functionalized Desmostachya bipinnata

Table 3

Comparison of metal loading capacities (mg/g) of different biosorbents for the removal of Cd (II), Cu (II), and Zn (II) metal ions reported in the literatures.

Adsorbents	Cd (II)	Cu (II)	Zn (II)	References
Desmostachya bipinnata	76.80	72.10	58.16	This study
Saw dust; (Cedrus deodara wood)	73.62	—	—	[14]
Saw dust (Poplar tree)	—	13.95	—	[15]
Saw dust (Poplar tree)	—	—	15.8	[16]
Sunflower stalk	42.18	29.30	30.73	[9]
Arundo donax L stem	5.7	—	—	[10]
Jute fibres	—	8.40	8.02	[17]