Kinetic parameters for the adsorption of mercury over PCF at 298 K.

C i (mg L−1)	q e, exp (mg g−1)	Lagergren first-order			Pseudo-second-order			Weber–Morris intraparticle diffusion
		k 1 (min−1)	q e, cal (mg g−1)	R 2	k 2 (g mg−1 min−1)	q e, cal (mg g−1)	R 2	K id (mg g−1 min−1/2)	C (mg g−1)	R 2
20	4.0	0.0457	3.60	0.9862	0.0140	4.6	0.994	0.29	1.41	0.922
50	10.0	0.0339	8.57	0.9882	0.0049	11.4	0.995	0.73	3.00	0.967
100	17.6	0.0311	16.96	0.9890	0.0020	21.2	0.995	1.55	2.82	0.987