Research Article

Highly Efficient Adsorption of Aqueous Pb(II) with Mesoporous Metal-Organic Framework-5: An Equilibrium and Kinetic Study

Table 2

Langmuir and BET isotherm constants for the adsorption of Pb(II) with MOF-5 using nonlinear form (upper value) and linearized form (lower value).

(°C)Langmuir modelBET model
Equation (mg/g) (L/mg)Equation (mg/g) (L/mg)

27(3)517.60.0760.98(5)323.268.50.98
(4)517.40.0780.98(6)315.938.30.99

35(3)234.70.5180.81(5)162.3353.10.91
(4)256.10.3300.99(6)156.51390.30.99

45(3)658.50.0460.98(5)412.715.60.99
(4)657.60.0470.94(6)418.47.60.97