A new approach of dedusting for igcc by a two-stage moving granular bed filter

Chiawei Chang, Yishun Chen, Litsung Sheng, Shusan Hsiau

Research output: Contribution to journalArticlepeer-review

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.

Original languageEnglish
Article number2534
JournalEnergies
Volume14
Issue number9
DOIs
StatePublished - 1 May 2021

Keywords

  • Collection efficiency
  • Gas cleanup
  • Moving granular bed filter
  • Two-stage granules

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