Mathematical models
parameters
Pb(II)
First-order kinetics
R
2
k
1
(per min)
q
e
(mg/g)
0.598
0.015
58.6
Second-order kinetics
R
2
k
2
g/mg/min
q
e
(mg/g)
1
4.250
58.82
Intra-particle diffusion
R
2
k
id
g/mg/min
1/2
C (mg/g)
0.814
0.039 57.05
Table 5:
Kinetic parameters for the adsorption of Pb(II) on PFSR.
