Trinary Component Adsorption of Methylene Blue, Methyl Orange, and Methyl Red from Aqueous Solution Using TiO₂/Activated Carbon

Table 4

A comparison of maximum adsorption capacity based on Langmuir isotherm model of TiO₂/AC with those of other adsorbents reported.

Adsorbents	Adsorption capacity for MB (mmol g^-1)	Adsorption capacity for MO (mmol g^-1)	Adsorption capacity for MR (mmol g^-1)	References
Walnut shell-derived activated carbon	0.251			[37]
Kaolinite	0.062			[38]
Wasted biomass-derived activated carbon	0.048			[34]
Pistachio shell-derived activated carbon	0.430			[39]
TiO2/rice husk-derived activated carbon	0.452/0.340			The present work
Multiwalled carbon nanotubes		0.157		[40]
Diaminoethane sporopollenin biopolymer		0.014		[41]
Hypercrosslinked polymeric adsorbent		0.217		[42]
Calcined-layered double hydroxides		0.611		[43]
TiO2/rice husk-derived activated carbon		0.329/0.321		The present work
Apple fruit shell-derived activated carbon			1.615	[44]
Ag@Fe nanoparticles			0.646	[45]
MIL-53(Fe)			0.680	[46]
TiO2/rice husk-derived activated carbon			0.806/2.04	The present work

adsorption capacity in single system/trinary system.