Table 3.

Isotherm constants for the adsorption of ibuprofen on MPC.

isotherm models	parameters	unit	value
Langmuir	kL	l mg−1	0.714
	Qm	mg g−1	206.5
	RL		0.123
	R2		0.9892
Freundlich	kF	(mg g−1)/(mg l−1)1/n	79.68
	1/n		0.4963
	R2		0.9178
Tempkin	kT	l mg−1	44.35
	BT		7.41
	R2		0.9436
D–R	B	kJ2 mol−2	0.12
	Qm	mg g−1	142.31
	E	kJ mol−1	2.0663
	R2		0.94