Table 2.

The comparison of maximum sorption capacity of In(III) ions onto different adsorbents.

Adsorbent	Conditions	q, mg/g	Reference
Mesoporous silica SBA-15	pH = 6, t = 22 °C	2036	Present study
Titanosilicate ETS-10	pH = 3, t = 22 °C	366	Present study
Chitosan-coated bentonite beads	pH = 4, t = 20 °C	17.89	[22]
Raw chitin	t = 25 °C	152.75	[2]
Supercritical-modified chitin	t = 25 °C	137.69	[2]
Spent coffee grounds	pH = 4, t = 25 °C	181.8	[9]
UiO-66	pH = 3, t = 25 °C	11.75	[37]
CoFe2O4-zeolite	pH = 5, t = 25 °C	0.0947	[25]
Poly(vinylphosphonic acid-co-methacrylic acid) microbeads	pH = 6, t = 25 °C	80.37	[20]
Modified solvent impregnated resins	pH = 3, t = 25 °C	44.25	[21]
Carbon nanotubes	pH = 7, t = 20 °C	40	[23]