Hydrodynamics of a gas-driven inverse liquid-solid fluidized bed

Jiaqi Huang, Jesse Zhu

Research output: Journal PublicationArticlepeer-review

4 Citations (Scopus)


A novel reactor named gas-driven inverse liquid-solid fluidized bed (GDFB) was developed in this research. It adopts gas as the driving force to benefit chemical processes requiring minimum liquid flow. The column is divided into a riser section for upward gas flow and a downer section as the main fluidized bed for light particles. The inverse fluidization occurs in the downer, where hydrodynamics and their influencing factors were studied. In the solid-baffle system, four fluidization regimes were observed, including the packed bed, semi-fluidized bed, fully-fluidized bed, and circulating bed. Moreover, the meshed-baffle system possesses some distinct characteristics, and the shifted bed regime was found between the fully-fluidized bed and the circulating bed.

Original languageEnglish
Pages (from-to)1535-1545
Number of pages11
JournalCanadian Journal of Chemical Engineering
Issue number7
Publication statusPublished - Jul 2021
Externally publishedYes


  • bed expansion
  • fluidization regime
  • inverse liquid-solid fluidized bed
  • solids loading

ASJC Scopus subject areas

  • Chemical Engineering (all)


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