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A study on the characteristics of improvement in filtration performance by dust precharging

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Abstract

A hybrid dust-collector combining electrostatic charging with fabric filtration was developed and its performance characteristics were evaluated. Charged particles build porous dendritic structure on the filter surface by electrostatic attraction, increasing the collection efficiency of dust particles and reducing the pressure drop through the deposited dust layer and filter media. The cleaning performance of the dust layer is improved because the dendritic structured dust layer may be removed more easily by pulse jet cleaning flow. The results of the experiment showed a reduction of fine particle emission by 37% and 13% energy saving by precharging dust particles before filtration.

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Authors and Affiliations

  1. Particle Technology Research Center, Korea Institute of Energy Research, 71-2, Jang-dong, 305-343, Yuseong-gu, Daejeon, Korea

    Ho-Kyung Choi, Seok-Joo Park, Jeong-Hwan Lim, Sang-Do Kim, Hyun-Seol Park & Young-Ok Park

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  1. Ho-Kyung Choi
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  2. Seok-Joo Park
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  3. Jeong-Hwan Lim
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  4. Sang-Do Kim
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  5. Hyun-Seol Park
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  6. Young-Ok Park
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Correspondence to Young-Ok Park.

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Choi, HK., Park, SJ., Lim, JH. et al. A study on the characteristics of improvement in filtration performance by dust precharging. Korean J. Chem. Eng. 19, 342–346 (2002). https://doi.org/10.1007/BF02698426

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  • DOI: https://doi.org/10.1007/BF02698426

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