TABLE 3.

Adsorption isotherm parameters for the adsorption of MB and MV onto the PFPCS at pH = 8 and 25°C. The contact time was 60 min.

Isotherm model	Parameters	MB	MV
Langmuir: Ce/Qe = Ce/Qm + 1/QmKL	Qm/(mg g−1)	1775.76	3,756.33
	KL/(L mg−1)	0.066	0.137
	R 2	0.9993	0.9998
Freundlich: lnQe = lnKF + bFlnCe	KF/(mg g−1)	577.45	764.55
	bF	0.170	0.289
	R 2	0.7748	0.7277
Temkin: Qe = BlnKT + BlnCe	KT/(L mg−1)	65.17	6.72
	B/(KJ−2 mol−2)	160.34	476.81
	R 2	0.9087	0.8916