A New Approach of Dedusting for IGCC by a Two-Stage Moving Granular Bed Filter

Chiawei Chang, Yishun Chen, Litsung Sheng and Shusan Hsiau
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Chiawei Chang: Department of Mechanical Engineering, National Central University, Zhongli District, Taoyuan City 320317, Taiwan
Yishun Chen: Department of Mechanical Engineering, Oriental Institute of Technology, Banciao District, New Taipei City 22061, Taiwan
Litsung Sheng: Department of Mechanical Engineering, National Central University, Zhongli District, Taoyuan City 320317, Taiwan
Shusan Hsiau: Department of Mechanical Engineering, National Central University, Zhongli District, Taoyuan City 320317, Taiwan

Energies, 2021, vol. 14, issue 9, 1-15

Abstract: We propose a dust removal technology in which a two-stage moving granular bed filter was employed using coarse and fine filtering granules. The pressure drop, collection efficiency, and dust particulate size distributions were investigated using various mass flow rates for coarse and fine granules at room temperature. In addition, the ratio of mass consumption was used to reveal the actual mass flow. The ratio of mass consumption influenced the pressure drop, collection efficiency, and dust particulate size distributions. Particulates larger than 1.775 μm were removed by the filter. Our results showed that a mass flow of 330 g/min for coarse granules and a mass flow of 1100 g/min for fine granules provided optimal collection efficiency and particulate size distribution. The proposed design can aid the development of high-temperature systems in power plants.

Keywords: gas cleanup; collection efficiency; moving granular bed filter; two-stage granules (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2021
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