Studies of the Adsorption Thermodynamics of Oxamyl on Fly Ash
The adsorption thermodynamics of oxamyl on fly ash at 10°C, 25°C and 50°C have been studied via the relevant adsorption isotherms, Freundlich constants (K F and 1/n), distribution coefficient (K d ) and other thermodynamic parameters. The data were well fitted by the Freundlich equation (r 2 > 0....
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| Format: | Article |
| Language: | English |
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SAGE Publishing
2000-10-01
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| Series: | Adsorption Science & Technology |
| Online Access: | https://doi.org/10.1260/0263617001493783 |
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| Summary: | The adsorption thermodynamics of oxamyl on fly ash at 10°C, 25°C and 50°C have been studied via the relevant adsorption isotherms, Freundlich constants (K F and 1/n), distribution coefficient (K d ) and other thermodynamic parameters. The data were well fitted by the Freundlich equation (r 2 > 0.98) and yielded S-shaped isotherms at all the temperatures studied. Thermodynamic parameters such as the thermodynamic equilibrium constant (K 0 ), the standard free energy change (ΔG 0 ), the standard enthalpy change (ΔH 0 ) and the standard entropy change (ΔS 0 ) have been calculated as a means of predicting the nature of the adsorption process. |
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| ISSN: | 0263-6174 2048-4038 |