The Equilibrium, Kinetics, and Thermodynamics Studies of the Sorption of Methylene Blue from Aqueous Solution Using Pulverized Raw Macadamia Nut Shells

Table 3

Equilibrium model plot constant for the sorption of MB onto MNS.

Equilibrium models	Temperature
	303 K	313 K	323 K
Langmuir
qmax (mgg^−1)	25.77	26.81	27.86
B (l mg^−1)	0.28	0.33	0.43
R^2	0.93	0.91	0.84
RL	0.05	0.04	0.03
Freundlich
Kf (mg g^−1) (mg^−1)^1/n)	1.14	1.11	1.10
1/n	0.197	0.192	0.176
R^2	0.85	0.86	0.82
Temkin
KT (mol g^−1)	94.34	21.83	7.70
bT (mol kJ^−1)	2.79	3.75	21.83
R^2	0.73	0.87	0.88