[Retracted] Activated Sawdust-Based Adsorbent for the Removal of Basic Blue 3 and Methylene Green from Aqueous Media

Table 3

Isothermal parameters of MG and BB-3 adsorption on prepared adsorbent.

Isotherm models	Parameters	MG			BB-3
		Adsorption temperatures
		283 K	293 K	303 K	283 K	293 K	303 K
Langmuir	(mg/g)	8.27-05	6.90-05	8.67-05	5.85 -05	5.99 05	6.34 -05
	(L/mol)	0.38	0.23	0.23	0.20	0.14	0.07
		0.95	0.96	0.96	0.98	0.97	0.98
Freundlich	Slope	0.48	0.38	0.50	0.26	0.26	0.29
	(L/mol)	-5.04	-6.05	-4.66	-7.33	-7.28	-6.73
		0.97	0.97	0.99	0.98	0.97	0.95
Temkin		2-05	2-05	2-05	1E-05	1-05	1-05
	(L/mol)	0.0002	0.0002	0.0003	0.0002	0.0002	0.0002
		0.95	0.94	0.96	0.96	0.93	0.96

The value is closed to unity for Langmuir model; therefore, Langmuir model can better explain the results of isothermal studies.