Removal of Fluoride from Aqueous Solutions Using Chitosan Cryogels

Table 1

Summary of kinetics models.

(K)	Cryogel	(mgg^−1)	Lagergren			Ho			Elovich
				(min^−1)	(mgg^−1)		(gmg^−1min^−1)	(mgg^−1)		(mgg^−1h^−1)	(gmg^−1)
303	QE	13.10	0.98	0.44	13.89	0.97	0.15	13.94	0.96	8.54 × 10^44	8.04
	QEFe	23.20	0.98	0.20	22.09	0.98	0.02	22.71	0.96	5.55 × 10^5	0.84
313	QE	15.80	0.88	0.26	14.20	0.94	2.30 × 10^−2	14.83	0.99	5.29 × 10^3	0.97
	QEFe	24.20	0.98	0.32	23.02	0.99	3.40 × 10^−2	23.37	0.98	4.65 × 10^11	1.42
323	QE	11.20	0.80	0.03	10.34	0.87	5.00 × 10^−3	10.81	0.94	6.977	0.76
	QEFe	14.50	0.99	0.20	14.62	0.97	0.03	14.91	0.91	1.32 × 10^9	1.88