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

Table 2

Kinetic models’ parameters for adsorption of fluoride onto granules.

Adsorbent	Experiment (mg/g)	Pseudo-first-order (PFO)			Pseudo-second-order (PSO)
		K1 (min^−1)	(mg/g)	R^2	K2 (g/mg/min)	(mg/g)	R^2
KBNPs	0.045	0.066	0.011	0.77	9.22	0.046	0.99
KB	0.033	0.109	0.098	0.60	4.19	0.034	0.99