Synthesis and Characterization of Modified Kaolin-Bentonite Composites for Enhanced Fluoride Removal from Drinking Water

Table 3

Adsorption isotherm models’ parameters for adsorption of fluoride onto granules.

Adsorbent	Langmuir isotherm model			Freundlich isotherm model
	(L/mg)	(mg/g)	R^2	(mg/g) (min)	n (mg/g) (L/mg)^1/n	R^2
KBNPs	90.5	0.047	0.85	0.048	20.0	0.90
KB	0.625	0.035	0.86	0.056	0.518	0.87