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Effect of shape and wettability of packing materials on the efficiency of packed column

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Abstract

Effective interfacial area and mass transfer coefficient were determined by the use of Danckwerts’ plot method for chemical absorption system accompanied by first order reaction to elucidate the effect of shape and wettability of packing materials on these parameters.

The liquid phase used in this experiment was K2CO3-KHCO3 buffer solution, and NaOCl was used to catalyze the first order reaction in the liquid phase. Raschig ring, sequare, sphere in shapes, and these were made of ceramic, polypropylene, glass, stainless steel, were used as packing materials.

The following correlations were obtained to predict the effective interfacial area and mass transfer coefficient. a/at,=0. 614R0.161(Σc/Σ)0.119 (at,dn (1-ε)1/3)-1.01 KL = 0. 0154Re0.24(Σc/Σ) {ie001-01} (atdn)0.18

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Authors and Affiliations

  1. Dept. of Chem. Eng., KAIST, Korea

    Myung-Wan Han, Dae-Ki Choi & Won Kook Lee

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  1. Myung-Wan Han
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  2. Dae-Ki Choi
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  3. Won Kook Lee
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Han, MW., Choi, DK. & Lee, W.K. Effect of shape and wettability of packing materials on the efficiency of packed column. Korean J. Chem. Eng. 2, 25–31 (1985). https://doi.org/10.1007/BF02697546

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  • DOI: https://doi.org/10.1007/BF02697546

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