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Effect of axial dispersion on interphase mass transfer in packed absorption columns
Author(s) -
Mathur V. K.,
Wellek R. M.
Publication year - 1976
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.5450540113
Subject(s) - mass transfer , interphase , péclet number , mixing (physics) , dispersion (optics) , packed bed , chemistry , structured packing , mass transfer coefficient , thermodynamics , absorption (acoustics) , volumetric flow rate , flow (mathematics) , phase (matter) , analytical chemistry (journal) , materials science , mechanics , chromatography , optics , composite material , physics , genetics , quantum mechanics , biology , organic chemistry
Gas phase axial mixing parameters and interphase mass transfer coefficients were determined simultaneously for gas‐liquid flow in a packed column. It was found that axial mixing in the gas phase increases with increases in liquid flow rate, packing size, and packing height. The behavior of apparent and true mass transfer coefficients indicates a decrease in axial mixing with increases in gas flow rates. Gas phase Peclet numbers obtained were about two to three times greater than reported than reported by workers using transient tracer techniques under similar conditions. Correlations for apparent and true overall liquid phase mass transfer coefficients are presented.