Kinetic, Equilibrium and Thermodynamics Study of the Adsorption of Pb(Ii), Cu(Ii) and Ni(Ii) from Aqueous Solution using Mangiferaindica Leaves
Table 3.
Thermodynamic parameter for the adsorption of Ni2+, Pb2+and Cu2+ ions on Mangiferaindicaleaf
| Parameters | ΔHo (KJ/mol) | ΔSo (KJ/mol/K) | ΔG KJ/mol | R2 | | Temperature (K) | | | 298 | 308 | 318 | 328 | 338 | | | Ni2+ | -8893.84 | -1.3515 | -1182.49 | -923.72 | -664.95 | -406.18 | -147.41 | 0.9795 | | Pb2+ | -5710.25 | -0.7051 | -5486.6 | -5479.1 | -5471.6 | -5464.1 | -5456.6 | 0.6734 | | Cu2+ | 2994.03 | 7.486 | 763.20 | 688.61 | 613.48 | 538.62 | 463.76 | 0.6184 |
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