Table 2.

Impregnation rate constants obtained from the pseudo-first-order and pseudo-second-order models.

Pseudo-First-Order Kinetics			Pseudo-Second-Order Kinetics
qe, mmol/g	k1, 1/h	R2	qe, mmol/g	k2, g/mmol h	R2
0.351	0.185	0.740	0.367	1.445	0.999