Table 1.

Isothermal parameters for adsorption of DC on AC and MAC.

Isotherm models	Parameters	Adsorbents
		AC	MAC
Freundlich
	K F (mg/g)	7.52	3.50
	1/n	0.347	0.498
	R 2	0.944	0.889
Langmuir
	q max (mg/g)	50.00	52.08
	K L (L/mg)	0.05	0.02
	R 2	0.994	0.996
Temkin
	β	12.516	11.36
	α	4.744	4.043
	b	181.345	199.799
	R 2	0.9894	0.9872
Jovanovic
	K J (L/g)	0.004	0.006
	q max (mg/g)	23.15	16.20
	R 2	0.682	0.551
Harkins–Jura
	A H (g2/L)	0.43	0.28
	B H (mg2/L)	2.35	2.25
	R 2	0.752	0.669