Comparison of maximum adsorption capacities of different adsorbents (298 K).

Adsorbent	Dye	q m/mg g−1	Ref.
AC-AgNPLs	Crystal violet	87.2	30
Chitosan/nanodiopside nanocomposite	Crystal violet	104.66	31
Gum Arabic-cl-poly(acrylamide) nanohydrogel	Crystal violet	90.90	32
ZVI-GAM	Crystal violet	172.41	33
Chitin nanowhiskers	Crystal violet	39.56	34
Zinc oxide nanorods loaded on activated carbon	Crystal violet	113.64	35
Surfactant modified magnetic nanoadsorbent	Crystal violet	166.67	36
NH2-MIL-125(Ti) modified MOF	Crystal violet	129.87	37
EDTA/corncob	Crystal violet	185.2	This work
EDTA-GO/cornob	Crystal violet	203.9	This work