Removal of Fluoride from Water by Adsorption onto Fired Clay Pots: Kinetics and Equilibrium Studies

Table 2

Kinetics parameters for adsorption of fluoride on fired clay.

Initial concentration (mg/L)	First-order model				Second-order model			Intraparticle diffusion model
	(mg/g)	(min^−1)	(mg/g)	(g·mg^−1min^−1)	(mg/g)	(mg·g^−1·min^−0.5)
	10	1.40	0.25	0.87	0.87	0.48	1.30	0.97	0.45	0.99
40	2.17	0.49	0.90	0.90	0.28	2.06	0.98	0.73	0.98