Table 2. Kinetic Parameters for the Mercury Adsorption over PAMC at 298 K.

		Lagergren first-order			pseudo-second-order			W-M intraparticle diffusion
Ci (ppm)	qe, exp (mg/g)	k1 (min–1)	qe, cal (mg/g)	R2	k2 g/mg·min	qe, cal (mg/g)	R2	Kid mg/g·min1/2	C (mg/g)	R2
50	9.98	0.0606	9.50	0.9734	0.0079	11.21	0.9919	0.4284	6.1325	0.9453
100	19.2	0.0475	18.08	0.9845	0.0025	22.78	0.9825	1.0577	9.3962	0.9818
200	37.2	0.0508	47.53	0.9307	0.0010	45.25	0.9906	3.7082	4.0497	0.9901
300	54.6	0.0581	70.95	0.991	0.0010	62.89	0.991	4.5812	13.848	0.9909
400	68.8	0.0497	94.34	0.9551	0.0005	83.33	0.9551	5.7367	14.934	0.9578