Effect of bed diameter, distrubutor and inserts on minimum fluidization velocity

Nidal Hilal, M. T. Ghannam, M. Z. Anabtawi

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Abstract

The minimum fluidization velocity of beds has been determined experimentally in beds of 0.089 m and 0.29 m diameters, respectively. The particles studied had sizes ranging from 100 μm to 1 mm in diameter, and densities from 1128 to 11400 kg/m3. Three distributors were used in the experimental scheme, each perforated by holes of 0.8 mm in diameter but with varying hole densities, as well as a porous plate. It was found that the minimum fluidization velocity was affected by both the diameter and distributor used. The effect of vertical tubular inserts on the minimum fluidization velocity was investigated in the 0.29 m diameter bed. The experimental data in the large bed, using four distributors, were parameterized within experimental error.

Original languageEnglish
Pages (from-to)161-165
Number of pages5
JournalChemical Engineering and Technology
Volume24
Issue number2
Publication statusPublished - Feb 2001
Externally publishedYes

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ASJC Scopus subject areas

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

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