Design parameter effects on expansion in fluidized beds with inserts

Nidal Hilal

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

The effect of some design parameters on the expansion of particles has been studied in a fluidized bed of 300 mm diameter. Four distributors were examined; three perforated plates, each perforated by holes of 0.8 mm in diameter but different hole densities at 6 mm, 9 mm and 12 mm pitch, and a porous plastic distributor 17 mm thick. Particles of different materials in the Archimedes number range from 100 to 105 were fluidized. The inserts were held vertically as arrays. All experimental data for four distributors were correlated within experimental error by the equation: (U - Umf/Uo-Umf) = (e-emf/1-emf)(1.28+0.00033P3) where U, Umf U0 are the gas velocity, velocity at minimum fluidization and real or apparent terminal velocity, while e is the bed porosity and emf is the porosity at the condition of minimum fluidization. P is the hole pitch of perforated plate distributor in millimeters.

Original languageEnglish
Pages (from-to)355-359
Number of pages5
JournalChemical Engineering and Technology
Volume24
Issue number4
DOIs
Publication statusPublished - Apr 2001
Externally publishedYes

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ASJC Scopus subject areas

  • Chemical Engineering (miscellaneous)
  • Environmental Science(all)
  • Polymers and Plastics

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