Table 2.

Summary of parameters calculated from adsorption isotherms models.

Adsorbents	Adsorption Isotherms
	Freundlich			Langmuir				Tempkin			D-R
	1/n	Kf	R2	qmax	KL	RL	R2	ßT	KT	R2	qS	Eads	R2
Fe3O4	0.126	22.88	0.933	130.5	0.195	0.059	0.499	26.38	3.050	0.917	98.83	3.199	0.933
PANI	0.504	98.21	0.971	264.9	1.579	0.339	0.773	14.24	153.6	0.957	166.7	23.63	0.971
PANI/Fe3O4	0.723	58.99	0.946	216.9	0.499	0.167	0.859	22.15	14.17	0.902	134.5	11.29	0.909