Table 4.

Sorption parameters of the Dubinin–Radushkevich model for the adsorption isotherms of the contaminants onto the Mt.

		Xm, g g−1	K, mol2 KJ−2	E, KJ mol−1	R2
CV	pH = 3.0	0.47 ± 0.08	(5.9 ± 0.2) × 10−4	9.2 ± 0.3	0.9599
	pH = 7.0	0.29 ± 0.05	(6.7 ± 0.5) × 10−4	8.6 ± 0.6	0.9349
Ce(III)	pH = 7.0	0.23 ± 0.01	(8.8 ± 0.7) × 10−4	7.5 ± 0.6	0.9377