276
Fig. 9.11 Modeling of the experimental data for the system Cr(VI) ions-clayey diatomite
Table 9.3 Parameters and coefficients of correlation of equilibrium isotherm models
Isotherm
Parameters and coefficients of
correlation
Clayey diatomite
Langmuir
q m [mg/g]
0.2146
K L [l/mg]
122.4
R
2
0.9979
Freundlich
K F [l/g]
0.3133
n
5.174
R
2
0.9796
Langmuir-Freundlich
q m [mg/g]
0.2044
K C [l/mg]
469.5
n
0.7804
R
2
0.9991
Redlich-Peterson
K RP [l/g]
20.25
A [l/mg]
113.8
β
1.086
R
2
0.9996
H. Memedi et al.