Table 3 Fitting of kinetic models.
Kinetic model | Linear equation | Correlation coefficient (R2) |
|---|---|---|
PFO | \(\ln (q_{e} - q_{t} ) = \ln q_{e} - k_{1} t\) | 0.9809 |
PSO | \(\frac{t}{{q_{t} }} = \frac{1}{{k_{2} q_{e}^{2} }} + \frac{1}{{q_{e} }}t\) | 0.999 |
Elovich | \(q_{t} = \frac{1}{\alpha }\ln (\alpha \beta ) + \frac{1}{\alpha }\ln t\) | 0.9651 |