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Kinetic, Equilibrium and Thermodynamics Study of the Adsorption of Pb(Ii), Cu(Ii) and Ni(Ii) from Aqueous Solution using <i>Mangiferaindica</i> Leaves
Online Journal of Materials Science
| Vol 1, Issue 1
Table 2. Kinetic parameter of various adsorbates
| Isotherm models | Adsorbates (Metal ions) | |||
|
| Ni+ ions | Pb2+ ions | Cu2+ions |
|
| Pseudo-first order |
|
|
|
|
| K1 | 0.0310 | 0.0598 | 0.1681 |
|
| qe | 1.3313 | 30.8810 | 21.4634 |
|
| R2 | 0.9098 | 0.9059 | 0.6511 |
|
| Pseudo-second order |
|
|
|
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| K2 | 10.248 | 0.00006 | 416.66 |
|
| qe | 3.0931 | -1666.7 | 0.00012 |
|
| R2 | 0.9938 | 1 | 1 |
|