Table 2 Comparison of the parameters of different kinetic models for describing the sorption of U(VI) using MOF@PET TeM.
From: MOF-decorated track-etched membranes for the U(VI) ions sorption removal
Kinetic model | Linear equation of the kinetic model | Parameters of the kinetic model | Value |
|---|---|---|---|
Pseudo-First Order | \(\ln \left( {{q_e} - {q_t}} \right)=ln{\text{~}}{q_e} - {k_1}t\) | \({k_1}\)min−1 | 0.018 |
\({q_e}\), mg/g | 19.91 | ||
R2 | 0.84 | ||
Pseudo-second Order | \(\frac{t}{{{q_t}}}=\frac{1}{{{k_2}q_{e}^{2}}}+\frac{t}{{{q_e}}}\) | \({k_2} \times {10^{ - 4}}\), g/mg×min | 4.38 |
\({q_{e,}}\), mg/g | 526.31 | ||
R2 | 0.99 | ||
The Elovich Model | \({q_t}=\frac{1}{\beta }\left( {\ln \alpha \beta } \right)+\frac{1}{\beta }\ln t\) | α, mg/g×min | 2.10 |
β, mg/min | 0.008 | ||
R2 | 0.92 | ||
Morris-Weber | \(A={k_{id}}{t^{1/2}}+C\) | \({k_{id}}\), mg/(g×·min1/2) | 0.65 |
С, mg/g | 411.59 | ||
R2 | 1.0 | ||
Boyd | \({B_t}= - 0.497 - \ln \left( {1 - F} \right)\) | k, min-1 | 0.20 |
R2 | 0.99 |
