Metal ions
H
o
(mgg
-1
min
-1
)
K
2
(mgg
-1
min
-1
)
q
e
(mgg
-1
)
R
2
Ni(ii)
0.153
26.49
0.076
0.999
Cu(ii)
0.331
62.11
0.07
0.998
Zn(ii)
1.293
175.50
0.086
0.999
Table 8:
Values of kinetic parameters for the pseudo-second order rate for the sorption of the three metal ions on the biomass.