Influence of operational parameters on the performance of gas clean-up technology with a moving granular bed filter

Yi Shun Chen, Shu San Hsiau, Chia Jen Hsu, Sheng Ming Ma, Yi Lun Chang

Research output: Contribution to journalArticlepeer-review

11 Scopus citations

Abstract

This paper describes new design and test procedures of an inlet gas system that is part of a moving granular bed filter. A series of experiments is conducted to demonstrate the collection efficiency of this method under different operating conditions. In addition, the dynamic model and the flow analysis of gas in the inlet gas system and filter bed are discussed. Several parameters are considered, including uniform flow of gas, geometry of inlet gas system, and position of flow-corrective insert in filter bed, to understand the performance of the new filter system. The filtration superficial velocity, mass flow rate of filter granules, and baffle length and baffle angle of inlet gas system are controlled during the test process. The pressure drop, collection efficiency, flow velocity profile of gas, and size distribution of dust particulates are measured simultaneously. The trend in uniform gas flow behaviors can be useful for application in different cross-flow filter systems for gas clean-up. The results of this study are expected to serve as a basis for future research.

Original languageEnglish
Pages (from-to)842-852
Number of pages11
JournalEnergy
Volume139
DOIs
StatePublished - 2017

Keywords

  • Collection efficiency
  • Flow-corrective insert
  • Inlet gas system
  • Moving granular bed filter
  • Uniform flow of gas

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