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Competitive adsorption models of organic pollutants from bi-and tri-solute systems on activated carbon

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Abstract

The present paper deals with the competitive adsorption on activated carbon of three aqueous bi-solute systems (phenol/p-nitrophenol, phenol/p-chlorphenol, p-nitrophenol/p-chlorphenol) and of the tri-solute system phenol/p-nitrophenol/p-chlorphenol. In this context two experimental methods to evaluate the equilibrium characteristics for the adsorption of phenols on powdered activated carbon were used. The competitive adsorption data were statistically fitted on four models: the Langmuir competitive model, the Freundlich-Langmuir competitive model, and the Fritz-Schlunder model, the last one in two particular cases for the monosolute representation. The prediction for all models, excepting the Fritz-Schlunder model, were performed using only single-solute data, while the parameters for the Fritz-Schlunder model were obtained using both single and multi-solute data.

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Authors and Affiliations

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

    R. Mihalache

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

    I. Peleanu

  3. Faculty of Automatics, University Politehnica Bucharest, 313 Splaiul Independentei street, Bucharest, Romania

    I. Meghea

  4. ALFATERM Bucharest, 8 Fat Frumos street, Bucharest, Romania

    A. Tudorache

Authors
  1. R. Mihalache
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  2. I. Peleanu
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  3. I. Meghea
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  4. A. Tudorache
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Mihalache, R., Peleanu, I., Meghea, I. et al. Competitive adsorption models of organic pollutants from bi-and tri-solute systems on activated carbon. J Radioanal Nucl Chem 229, B133–138 (1998). https://doi.org/10.1007/BF02389461

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  • DOI: https://doi.org/10.1007/BF02389461

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