Table 3 Kinetic model parameters for the Cu (II) biosorption by Bacillus sp. SRCM 112835 cells

C0 (mg/L) qexp 1) (mg/g) Pseudo-first-order Pseudo-second-order


k1 (min-1) qe (mg/g) R2 k 2 (g/mg/min) qe (mg/g) R2 Rade (mg/g/min)
30.3 38.9 0.104 37.03 0.97 0.003 41.31 0.99 5.12
58.7 52.2 0.234 47.25 0.87 0.007 50.73 0.97 18.01
1) Experiment q (mg/g)