期刊
CHEMICAL ENGINEERING SCIENCE
卷 66, 期 23, 页码 6048-6056出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.ces.2011.08.029
关键词
Absorption; Mass transfer; Microstructure; Multiphase flow; Taylor flow; Interfacial area
资金
- National Centre for Science (Poland) [N N209 026140]
The interfacial area in the Taylor (slug) gas-liquid flow in a microchannel was measured by the Danckwerts' (chemical) method, using CO(2) absorption from the CO(2)/N(2) mixture into KHCO(3)/K(2)CO(3) buffer solutions, containing NaOCI as a catalyst. The rate of absorption was determined and the Danckwerts' plots were constructed. Reasonable agreement with the geometrical area measured photographically was obtained. This fact allowed to determine for the first time the mass transfer coefficients separately for liquid film and liquid caps. A correlation for the calculation of mass transfer coefficients has been proposed. (C) 2011 Elsevier Ltd. All rights reserved.
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