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

Table 3

The parameters of EL, P-factor, and IAST-sorption isotherm (Langmuir, Freundlich, and Sips), , and values.

Dye	Extended-Langmuir model
	(mmol g^-1)	(mmol g^-1)	(mmol g^-1)	(L.g^-1)	(L.g^-1)	(L.g^-1)	(L.mM^-1)	(L.mM^-1)	(L.mM^-1)
MB	2.274			68.82			30.263			0.576	-48.16
MO		0.60			77.03			127.95		0.900	-37.04
MR			0.80			65.98			82.08	0.674	-29.50
	P-factor-Langmuir model
Dye	(mmol g^-1)	(mmol g^-1)	(mmol g^-1)	(L.g^-1)	(L.g^-1)	(L.g^-1)	(L.mM^-1)	(L.mM^-1)	(L.mM^-1)
MB	0.394			26.65			67.63			0.916	-54.34
MO		0.324			33.10			101.9		0.996	-57.86
MR			1.281			6.90			5.40	0.918	-40.47
	IAST-Langmuir model
Dye	(mmol g^-1)	(mmol g^-1)	(mmol g^-1)	(L.g^-1)	(L.g^-1)	(L.g^-1)	(L.mM^-1)	(L.mM^-1)	(L.mM^-1)
MB	0.340			23.22			67.63			0.917	-55.34
MO		0.321			32.67			101.86		0.998	-58.86
MR			2.04			10.99			5.40	0.919	-41.47
	IAST-Freudlich model
Dye
MB	1.05			0.43						0.996	-58.37
MO		0.843			0.35					0.998	-61.23
MR			6.40			0.89				0.987	-40.92
	IAST-Sips model
Dye
MB	1.27			0.44			0.466			0.943	-50.99
MO		1.11			0.60			0.40		0.999	-57.76
MR			16.65			17.5			0.95	0.945	-37.24