Table 2 Parameters in adsorption kinetic equation of OTC onto Fe-MCM-41-A.
Kinetic model | Equation | Parameters | Value |
|---|---|---|---|
Pseudo-first-order | log(qe − qt) = logqe − k1/2.303t | k1 (min−1) | 0.1011 |
qe (mg g−1) | 30.49 | ||
R2 | 0.9792 | ||
Pseudo-second-order | (t/qt) = 1/(k2qe) + 1/qe(t) | k2 (g mg−1 min−1) | 1.6531 |
qe (mg g−1) | 197.94 | ||
R2 | 0.9998 |