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Influence of the Regeneration Temperature on the Phenols Adsorption on Activated Carbon

✍ Scribed by E. Sabio; M.L. González-Martı́n; A. Ramiro; J.F. González; J.M. Bruque; L. Labajos-Broncano; J.M. Encinar

Publisher
Elsevier Science
Year
2001
Tongue
English
Weight
68 KB
Volume
242
Category
Article
ISSN
0021-9797

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✦ Synopsis

Adsorption from aqueous solutions of p-nitrophenol and pchlorophenol on activated carbon regenerated by wet oxidation after saturation of the same adsorptive has been studied. The adsorption behaviors have been analyzed with the help of a scheme of double Langmuir, which gives information of the induced modifications on different parts of the surface by the regeneration treatment. Also, differences in the adsorption uptake and free energy have been obtained depending on the adsorptive and on the temperature at which wet oxidation was done. From the point of view of a higher uptake capacity after regeneration it has been found that 170 • C is the best suited temperature for wet oxidation.

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