A study of the effect of high inlet solids loading on a cyclone separator pressure drop and collection efficiency

The effect of high inlet solid loadings on cyclone pressure drop and separation efficiency was studied. The particles used were FCC catalyst. An extended range of concentrations, up to 20 kg of solids/kg of gas was used, well beyond the loading range reported before. The average entrance velocities...

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Bibliographic Details
Published in:Powder technology 2000-01, Vol.107 (1), p.60-65
Main Authors: Fassani, Fábio Luı́s, Goldstein, Leonardo
Format: Article
Language:English
Subjects:
Applied sciences
Centrifugation, cyclones
Chemical engineering
Collection efficiency
Cyclones
Exact sciences and technology
Gas–solid separation
Liquid-liquid and fluid-solid mechanical separations
Pressure drop
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Summary:The effect of high inlet solid loadings on cyclone pressure drop and separation efficiency was studied. The particles used were FCC catalyst. An extended range of concentrations, up to 20 kg of solids/kg of gas was used, well beyond the loading range reported before. The average entrance velocities were 7, 18 and 27 m/s. The experiments showed that, in the range of concentrations tested, the cyclone pressure drop for the solids laden air flow was about 47% of that for clean air. A trend of increasing separation efficiency with concentration was observed, up to 12 kg of solids/kg of gas, above which, the efficiency decreased. At test conditions, the collection efficiency was higher for the entrance velocity of 18 m/s than for 27 m/s.
ISSN:0032-5910
1873-328X
DOI:10.1016/S0032-5910(99)00091-1