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Test-fitting on adsorption isotherms of organic pollutants from waste waters on activated carbon

  • Cleanup Technologies (Water, Soil, Equipment)
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Abstract

The adsorption of phenol and ten substituted phenols on activated carbon was examined. For a comparative study, the substituted phenols were selected after nature, position, and number of functional groups; they, are: o-,m-,p-cresol, o-,m-,p-chlorphenol, m-,p-nitrophenol, resorcine, and methyl-resorcine. p-chloraniline was also studied. The single solute data were statistically fitted on 13 isotherm models: the Freundlich, Langmuir, Freundlich-Langmuir, BET, Dubinin-Raduskevitch, the three parameters empirical equation proposed by Radke and Prausnitz, Redlich-Petersen, Tóth, Myers, as well as generalised, Volmer, virial and sigmoidal isotherms. A computer program was developed to determine the most precise parameter models. The prediction results on the adsorption isotherms are compared by absolute relative percent deviations.

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Authors and Affiliations

  1. Faculty of Industrial Chemistry, University Politehnica, Buchares, 313, Splaiul Independentei street, Bucharest, Romania

    A. Meghea, H. H. Rehner & I. Peleanu

  2. ALCONEX Bucharest, 18 Sibiu street, block 813, Bucharest, Romania

    R. Mihalache

Authors
  1. A. Meghea
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  2. H. H. Rehner
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  3. I. Peleanu
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  4. R. Mihalache
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Meghea, A., Rehner, H.H., Peleanu, I. et al. Test-fitting on adsorption isotherms of organic pollutants from waste waters on activated carbon. J Radioanal Nucl Chem 229, 105–110 (1998). https://doi.org/10.1007/BF02389456

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  • DOI: https://doi.org/10.1007/BF02389456

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