Table 1.

Parameters of four kinds of kinetic models.

Kinetic model	Parameters	Values
Pseudo-first-order	qe (mg/g) × 1016	7.6 × 1016
	k1 (1/min)	19.56
	R2	0.9467
Pseudo-second-order	qe (mg/g)	909.09
	K2 (g/mg min)	0.03
	R2	1.0000
Elovich	Lnα	229.11
	Β	34.60
	R2	0.7801
Intra-particle diffusion	kI	190.85
	CI	685.82
	R2	0.9529
	kII	0.84
	CII	910.28
	R2	0.9353