Table 4.

Compared recovery efficiency Co(II)-MIIP with other adsorbents

Adsorbent	Monomer	Cycle	R %	Ref.
Co(II)-MIIP	1-vinylimidazole	4	81%	[39]
Co(II)-MIIP	polyethyleneimine (PEI)	6	95%	[40]
Co(II)-MIIP	3-(2-aminoethylamino) propyltrimethoxysilane (AAPTS)	7	95%	[41]
Co(II)-MIIP	dithizone	7	85%	This study