Table 3.

q_max value for the adsorption of Ni(II) on different adsorbents.

Adsorbents	qmax (mg/g)	Reference
SLT nanocomposite	1134.08	This paper
m-CTS/PVA/Ni(II)s composite	500	[31]
nano-hydroxyapatite/alginate composite	360	[32]
GC nanocomposite	228	[33]
Fe3O4-NH2 nanoparticle	232.51	[34]
GO-DPA composite	180.893	[35]
HCX	114.29	[36]
LNC/MMT	94.86	[17]
chitosan-MOF composite	60	[10]
Fe3O4-MnO2 nanoplates	55.63	[37]
Ni(II)-IIP polymer	12.96	[38]