The axial hydrodynamic behavior in a liquid-solid circulating fluidized bed

Ying Zheng, Jing Xu Zhu, Jianzhang Wen, Steve A. Martin, Amarjeets Bassi, Argyrios Margaritis

Research output: Journal PublicationArticlepeer-review

103 Citations (Scopus)


Based on experimental results from a 7.6 cm I.D. and 3 m high liquid-solid circulating fluidized bed, the liquid-solid circulating fluidization regime has been separated into two zones: the initial circulating fluidization zone and the fully developed circulating fluidization zone. The distinct hydrodynamic behavior and the influence of particle properties in the two circulating fluidization zones have been studied. The overall flow structure in LSCFB, although still somewhat non-uniform, is much more uniform than that in a gas-solid CFB. Our experimental results also show that the axial flow characteristics and the regime transition can be strongly affected by the particle density. The stable operation range of the circulating fluidization system and the influences of some associated factors, such as the solids inventory and the particle density, were also investigated for the first time.

Original languageEnglish
Pages (from-to)284-290
Number of pages7
JournalCanadian Journal of Chemical Engineering
Issue number2
Publication statusPublished - 1999
Externally publishedYes


  • Circulating fluidized bed
  • Flow development
  • Fluidization regimes
  • Hydrodynamics
  • Liquid-solids fluidization

ASJC Scopus subject areas

  • Chemical Engineering (all)


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