Removal of Fluorescein Dye from Aqueous Solutions Using Natural and Chemically Treated Pine Sawdust

Table 2

Adsorption isotherm parameters for the FD removal by NPS and SPS.

Adsorption isotherm models	Parameter	Adsorbent
		NPS	SPS
Langmuir model	qm (mg/g)	0.478	0.542
	KL (L/mg)	3.053	1.304
	RL	0.061	0.133
	R^2	0.995	0.985
Freundlich model	KF (mg^(1-1/n) g^−1L^1/n)	0.285	0.344
	N	1.828	2.235
	R^2	0.994	0.974
Temkin	B (J/mol)	0.114	0.097
	A (L/mg)	14.096	35.265
	R^2	0.975	0.979