Activated and Nonactivated Date Pits Adsorbents for the Removal of Copper(II) and Cadmium(II) from Aqueous Solutions

Table 5

Comparison of adsorption capacity of various adsorbents for Cu(II) and Cd(II).

Adsorbent	Adsorbent capacity (mg/g)
	Cu(II)	Cd(II)	Reference
Lentinus edodes pellets	—	78.6	[36]
Activated pine bark	—	30.21	[37]
Black gram husk	—	39.99	[26]
Orange peel	3.19	—	[38]
Sawdust	3.12	—	[38]
Bagasse	2.89	—	[38]
Papaya seed	3.9	—	[39]
Raw date pits	7.40	6.02	This study
Activated date pits	33.44	17.24	This study