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A multi‐parameter model for absorption
Author(s) -
Guha Chandan,
Roy Subhash Chandra
Publication year - 1991
Publication title -
chemical engineering and technology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.403
H-Index - 81
eISSN - 1521-4125
pISSN - 0930-7516
DOI - 10.1002/ceat.270140604
Subject(s) - mass transfer , dimensionless quantity , work (physics) , absorption (acoustics) , thermodynamics , steady state (chemistry) , thermal diffusivity , eddy diffusion , diffusion , chemistry , mechanics , statistical physics , physics , turbulence , optics
A three‐parameter model for mass transfer by absorption, based on a combined effect of non‐steady‐state molecular and eddy diffusion through a resistance zone has been suggested, which encompasses all the existing theories on mass transfer at the gas‐liquid interface. King's approach [5] to describing gas‐liquid mass transfer phenomena through an eddy‐diffusivity model can explain some experimental results, but does not provide a general mathematical solution of the problem. The shortcomings of the King's model are overcome in the present work and a general solution is presented. This solution confirms the experimental findings of Versteeg et al. [10] for liquid phase mass transfer. The steady‐state solution of the present theory, valid for the dimensionless number α > 0, shows a close agreement with experimental data of Luk [22], the only source of all the information necessary for model verification.