Adsorption kinetics models for BPA adsorption onto PPY/PANI.

C o (mg L−1)	Pseudo-first order model			Pseudo-second order model
	k 1 (min−1)	q e (mg g−1)	R 2	k 2 (g mg−1 min−1)	q e (mg g−1)	R 2
50	0.026	4.72	0.931	0.00152	60.6	0.998
75	0.011	6.54	0.992	0.00044	89.3	0.994
100	0.014	6.81	0.980	0.00072	97.1	0.996