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Mass transfer from discrete gas bubbles in a reciprocating plate column
Author(s) -
Baird M. H. I.,
Rohatgi A.
Publication year - 1989
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.5450670423
Subject(s) - reciprocating motion , mass transfer , bubble , oxygen , plate column , mechanics , chemistry , mass transfer coefficient , analytical chemistry (journal) , thermodynamics , materials science , chromatography , physics , organic chemistry , gas compressor
Measurements have been made of the uptake of oxygen in water from a series of discrete bubbles released into a 5 cm diameter reciprocating plate column. The rate of increase of dissolved oxygen in the water has provided data on the average mass transfer coefficients under the following conditions; (a) free rise in the absence of plates, (b) bubbles rising through a static plate assembly and (c) bubbles rising through moderately agitated plates (frequency up to 1.28 Hz). It was found that the mass transfer coefficients were higher under condition (b) than (a), and were further increased under condition (c). The results were compared with earlier data on mass transfer to agitated bubble dispersions.