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Diffusional interference in liquid phase counter-adsorptions

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Abstract

A surface diffusion mocel with diffusional interference has been presented for the analysis of multicomponent adsorption of phenols by activated carbon. Surface diffusion coefficients for multicomponent adsorptions were estimated from the relationship between. the surface diffusion coefficient of each species and the surface coverage. The diffusional interference coefficients, Wij, was determined from experimental counter-adsorption data. The numerical values of Wij were in the range of 0.4–0.9, which show that the introduction of diffusional interference is necessary to analyze multicomponent counter-adsorptions properly. The proposed model successfully simulates the behaviour of phenols-activated carbon system in a batch adsorber.

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Authors and Affiliations

  1. Department of Chemical Technology, Chonnam National University, 500–757, Kwangju, Korea

    Hee Moon, Heung Chul Park & Won Kook Lee

  2. Department of Chemical Engireering, Korea Advanced Institute of Science and Technology, P.O. Box 131, Dongdaemun, Soeul, 130–650, Korea

    Won Kook Lee

Authors
  1. Hee Moon
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  2. Heung Chul Park
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  3. Won Kook Lee
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Moon, H., Park, H.C. & Lee, W.K. Diffusional interference in liquid phase counter-adsorptions. Korean J. Chem. Eng. 7, 250–258 (1990). https://doi.org/10.1007/BF02707177

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  • DOI: https://doi.org/10.1007/BF02707177

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