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Hydrodynamic characters of co-current operation for SO2 absorption in a laboratory packed column

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Abstract

A co-current operation for SO2 absorption by water was performed in a laboratory-scale packed column. The effects of L/V (liquid-gas ratio) and F (gas phase loading factor) on the SO2 absorptivity were both investigated. The absorptivity for co-current increased with the increase of L/V and the percentage of absorptivity increase at higher L/V is larger. At lower F, in regular packing there is fluctuation of absorptivity with F increased, but in random packing there is not. With the increase of F, the absorption curve slowed down. It is proposed that in order to obtain a steady desulfurization efficiency, F factor in both kinds of packings should be higher than 4 kg0.5/m0.5s. For absorptivity, which could be reached by both co-current and counter-current, it is suggested that co-current is better because of the higher gas velocity.

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Authors and Affiliations

  1. Chemical Engineering Research Center, School of Chemical Engineering and Technology, Tianjin University, Tianjin, China

    He Jie, Man-Ling Jia, Chang-Bin Tan & Jin-Sheng Sun

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  1. He Jie
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  2. Man-Ling Jia
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  3. Chang-Bin Tan
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  4. Jin-Sheng Sun
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Correspondence to Jin-Sheng Sun.

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Jie, H., Jia, ML., Tan, CB. et al. Hydrodynamic characters of co-current operation for SO2 absorption in a laboratory packed column. Korean J. Chem. Eng. 28, 2190–2195 (2011). https://doi.org/10.1007/s11814-011-0100-y

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  • DOI: https://doi.org/10.1007/s11814-011-0100-y

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