Model parameters obtained from non-linear fitting the experimental equilibrium data with the isotherm models (adsorbent dosage 55 mg L⁻¹, pH 7, contact time 60 min).

T (K)	q exp (mg g−1)	Langmuir			Freundlich			Sips
		q m (mg g−1)	K L	R L 2	n F	K F	R F 2	q m (mg g−1)	K S	n S	R 2
278	118	200.7	0.38	0.98	1.7	55.5	0.97	119.1	0.76	1.61	0.99
293	141	239.4	0.59	0.96	1.7	85.3	0.96	142.5	1.24	1.69	0.98
308	152	225.3	1.17	0.93	2.01	114	0.93	151.6	2.12	2.36	0.99
323	163	243.1	1.54	0.93	1.96	142	0.93	164.3	3.06	2.38	0.99