Radial nonuniformity of flow structure in a liquid-solid circulating fluidized bed

W. G. Liang, J. X. Zhu, Y. Jin, Z. Q. Yu, Z. W. Wang, J. Zhou

Research output: Journal PublicationArticlepeer-review

88 Citations (Scopus)

Abstract

Electrical conductivity probes were used to measure the radial distributions of solids holdup and liquid velocity in a liquid-solid circulating fluidized bed. These distributions are found to be non-uniform, unlike those in a non-circulating bed. The effects of superficial liquid velocity and particle circulation rate on the radial distributions of bed voidage and liquid velocity are studied. Based on the experimental results, a qualitative explanation is given for the difference between the dispersed fluidization and the circulating fluidization. The effect of the radial nonuniformity of the flow structure on the reactions in the liquid-solid circulating fluidized bed reactor is also discussed.

Original languageEnglish
Pages (from-to)2001-2010
Number of pages10
JournalChemical Engineering Science
Volume51
Issue number10
DOIs
Publication statusPublished - 1996
Externally publishedYes

ASJC Scopus subject areas

  • Chemistry (all)
  • Chemical Engineering (all)
  • Industrial and Manufacturing Engineering

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