Biosorption of Pb(II) Ions by Klebsiella sp. 3S1 Isolated from a Wastewater Treatment Plant: Kinetics and Mechanisms Studies
Table 6
Integrated equations, boundary conditions, and kinetic parameters of the biosorption by Klebsiella sp. 3S1.
Exp. number 1
Exp. number 2
Pseudo-first order
at and at
103.2
78.15
0.00775
0.00607
0.437
0.627
5826
2781
at and at
115.7
85.43
49.43
30.21
0.0013
0.0018
0.992
0.983
81.65
124.5
Pseudo-second order
at and at
107.5
82.64
0.629
0.774
3836
1686
at and at
130.9
96.56
47.57
28.84
0.996
0.974
45.26
197.4
Elovich
at and at
26.55
7.176
0.07855
0.08845
0.922
0.923
811.1
570.1
at and at
1.832
1.516
0.04807
0.06404
45.76
26.39
0.992
0.962
78.03
286.7
Intraparticle diffusion
2.488
1.971
—
0.241
11718
5652
1.305
1.146
48.84
31.50
0.957
0.903
439.8
719.0
Exp. number 1: 50 mg/L of Pb(II) and 0.11 g/L of dry biomass. Exp. number 2: 25 mg/L of Pb(II) and 0.28 g/L of dry biomass. is the correlation coefficient, and is the sum of the errors squared.
