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Simultaneous determination of heats, equilibrium and kinetics of adsorption: 1- Ethoxy-2-propanol vapours

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Abstract

The heat, equilibrium, and kinetics of adsorption of 1-ethoxy-2-propanol vapours on granulated activated carbon were determined simultaneously by a reaction calorimeter SETARAM C80 D at T=298.15 K at various relative vapour pressures (0.1< p/ps<0.8). The adsorption isotherm was correlated by the Freundlich equation. It was observed that the enthalpies of adsorption decrease slightly with increasing of the relative vapour pressure of the adsorptive. The rate of adsorption were calculated from analysis of the heat flux signals and it was found that the mass-transfer coefficient for 1-ethoxy-2-propanol vapours in granulated activated carbon increased with increasing relative vapour pressure of the adsorptive.

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Authors and Affiliations

  1. University of Veszprém, P.O. Box 158, H-8201, Veszprém, Hungary

    A. Dallos, V. E. Mártha & Sz. Bíró

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  1. A. Dallos
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  2. V. E. Mártha
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  3. Sz. Bíró
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Dallos, A., Mártha, V.E. & Bíró, S. Simultaneous determination of heats, equilibrium and kinetics of adsorption: 1- Ethoxy-2-propanol vapours. Journal of Thermal Analysis and Calorimetry 69, 353–358 (2002). https://doi.org/10.1023/A:1019978832545

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