Determine which isotherm equation (i.e., Freundlich and Langmuir) best fits the isotherm coefficients for the following GAC
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Determine which isotherm equation (i.e., Freundlich and Langmuir) best fits the isotherm coefficients for the following GAC adsorption test data. Also determine the corresponding coefficients for the isotherm equation. The liquid volume used in the batch adsorption tests was 1 L. The initial concentration of the adsorbate in solution was 3.37 mg/L. Equilibrium was obtained after 7 d.
No. | GAC mass (g) | The equilibrium concentration of adsorbate in solution (Ce, mg/L) |
1 | 0 | 3.37 |
2 | 0.001 | 3.27 |
3 | 0.010 | 2.77 |
4 | 0.100 | 1.86 |
5 | 0.500 | 1.33 |
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