Table 3.

The constants of the Langmuir, Freundlich,  Temkin, and Dubinin-Radushkevich adsorption isotherms

Models	Model Parameters
Langmuir isotherm	qmax = 39.62 (mg g−1) KL = 0.226 (L mg−1) R2 = 0.98897
Freundlich isotherm	KF = 9.54 [mg g−1 (L mg−1)n] 1/n = 0.28 R2 = 0.94305
Temkin	AT = 0.37 (L g−1) bT = 24.46 B = 101.29 J mol−1 R2 = 0.97357
Dubinin-Radushkevich	qDR = 17.83 (mg g−1) KDR = 1.52 (mol2 kJ−2) E = 0.57 (kJ mol−1) R2 = 0.9497