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Gas holdup in homogeneous and heterogeneous gas—liquid bubble column reactors
Author(s) -
Sarrafi Amir,
MüllerSteinhagen Hans,
Smith John M.,
Jamialahmadi Mohammad
Publication year - 1999
Publication title -
the canadian journal of chemical engineering
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.404
H-Index - 67
eISSN - 1939-019X
pISSN - 0008-4034
DOI - 10.1002/cjce.5450770104
Subject(s) - bubble , homogeneous , mechanics , mass transfer , bubble column reactor , gas bubble , range (aeronautics) , mixing (physics) , thermodynamics , materials science , physics , quantum mechanics , composite material
The velocity‐holdup relationship is the most important design parameter for gas—liquid bubble column reactors, providing the basis for the prediction of heat and mass transfer coefficients and information on hydrodynamic conditions. A summary of the literature on gas holdup in bubble columns is supplemented by new experimental results which extend the data range. A criterion for the gas velocity leading to the transition between homogeneous and heterogeneous regimes for perforated plate gas distributors has been developed. Correlations for gas holdup in both regimes are developed and verified against both new and existing data.