Table 4.

Kinetic parameters for the adsorption of MB onFe₃O₄/AC/CD/Alg polymer gel beads and dry polymer beads.

Adsorbent	Pseudo First Order			Pseudo Second Order
	k1 (min−1)	${\mathit{q}}_{\mathit{e}} (\mathbf{mg}/\mathbf{g})$	R2	k2 (g/mg min−1)	${\mathit{q}}_{\mathit{e}} (\mathbf{mg}/\mathbf{g})$	R2
Fe3O4/AC/CD/Alg polymer gel beads	0.0483	99.083	0.980	1.243	0.168	0.987
Dry polymer beads	0.071	200.44	0.876	0.072	1.215	0.880