Isotherm name | Isotherm model | Parameters |
---|---|---|
Pseudo first order | \(Q_{t} = Q_{e} (1 - e^{{( - k_{1} t)}} )\) | Q e and k 1 |
Pseudo second order | \(Q_{t} = \frac{{Q_{e}^{2} k_{2} t}}{{(1 + Q_{e} k_{2} t)}}\) | Q e and k 2 |
Elovich | \(Q_{t} = \frac{1}{\beta }\ln (\alpha \beta t)\) | α and β |
Avramin | \(Q_{t} = Q_{e} (1 - e^{{( - k_{av} t)^{{n_{av} }} }} )\) | K av and n av |
Intraparticulate model | \(Q_{t} = K_{id} t^{0.5} + C_{i}\) | K id and C i |