Effective and Simple NaOH-Modification Method to Remove Methyl Violet Dye via Ipomoea aquatica Roots

Table 2

Adsorption isotherm models and their parameters.

Model	Values	ARE	SSE	EABS	MPSD
Langmuir		21.10	0.05	0.72	27.83	0.15
(mmol g^-1)	1.163
(mg g^-1)	457.99
(L mmol^-1)	0.009
	0.9053
Freundlich		22.13	0.36	1.34	28.67	0.50
(mmol g^-1 (L mmol^-1)^1/n)	0.017
(mg^1-1/n L^1/n g^-1)	6.649
	1.362
	0.9656
Temkin		196.66	0.24	1.86	446.00	5.70
(L mmol^-1)	0.320
(kJ mol^-1)	14.533
	0.8726
Redlich-Peterson		21.81	0.31	1.25	29.24	0.43
(L g^-1)	0.040
	0.333
(L mmol^-1)	1.504
	0.7937
Sips		19.79	0.06	0.76	28.14	0.16
(mmol g^-1)	1.400
(mg g^-1)	551.54
(L mmol^-1)	0.010
	1.090
	0.9714