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Kinetic, Equilibrium and Thermodynamic Study of the Adsorption of Pb (II) and Cd (II) Ions from Aqueous Solution by the Leaves Biomass of Guava and Cashew Plants
Online Journal of Chemistry
| Vol 2, Issue 1
Table 2. Isotherm Parameters forCashew Plant Leave (CPL)
| Isotherm Models | Adsorbates (Metal Ions) | ||
|
| Pb2+ | Cd2+ | Zn2+ |
| Langmuir |
|
|
|
| R2 | 0.9855 | 0.9948 | 0.9583 |
| Qm | -33.8983 | -23.3645 | 32.3624 |
| KL | -0.0368 | -0.0865 | 0.1740 |
| Freunlich |
|
|
|
| R2 | 0.9587 | 0.9604 | 0.8791 |
| N | 1.4240 | 1.6502 | 0.9614 |
| Kf | 0.8651 | 29.2954 | 4.0794 |