Research Article

Biosorption and Diffusion Modeling of Pb(II) by Malt Bagasse

Table 4

Kinetics model parameters for the biosorption of Pb(II) by malt bagasse.

Temperature (K)

(exp.) (mg g−1)19.020.020.0
Pseudo-first-order
(cal.) (mg g−1)12.512.118.2
(min−1)0.02340.03180.0793
0.96240.94990.9924
Pseudo-second-order
(cal.) (mg g−1)20.520.820.6
(g mg−1 min−1)0.00340.00590.0104
0.99950.99970.9994
(mg g−1 min−1)1.4242.5394.413
Elovich
(mg g−1 min−1)1.7035.4751.02
(g mg−1)0.2740.3120.363
0.96960.89650.8109