Table 2.

Fitting parameters of adsorption kinetics of non-magnetic and magnetic hydrogels.

Adsorbents	Pseudo-1st-Order			Pseudo-2nd-Order			Experimental Values
	qe,cal (mg/g)	k1 (L/mg)	R2	qe,cal (mg/g)	k2 (g/mg min)	R 2	qe,exp (mg/g)
P0	119.18	0.0281	0.9540	369.00	4.66 × 10−4	0.9986	355.91
P100	65.04	0.0517	0.9475	787.40	1.85 × 10−3	1.0000	781.33
P0@Fe3O4	680.66	0.0809	0.9062	675.68	2.54 × 10−4	0.9988	635.72
P100@Fe3O4	117.06	0.0667	0.8197	621.12	6.43 × 10−4	0.9993	602.75