Comparison with various adsorbents for CV.

Adsorbent	q max (mg g−1)	K L (L mg−1)	References
Polyaniline@TiO2	80	0.004	43
p(NIPAM-co-MAA1.0)/b-CD0.4	1253.7	0.0136	44
Gum arabic-cl-poly(acrylamide) nanohydrogel	90.9	0.047	45
Rarasaponin–bentonite-activated biochar composite	518.6	0.0741	46
Hydroxypropyl-β-cyclodextrin–polyurethane magnetic nanoconjugates	1269	—	47
Zeolitic imidazolate framework-9 (Z9-600)	26.8	—	48
Modified rice bran/alginate hydrogel beads	454.55	0.011	36
Husk of agarwood fruit/sodium alginate hydrogel	370.37	0.022	37
Cellulose/carrageenan magnetic hydrogel microbeads	217.1	0.0159	38
P(AA-co-AMPS)-grafted chitosan hydrogel	2023	0.0054	This study