RESIDENCE TIME DISTRIBUTION IN LIQUID PHASE OF TRICKLE FLOW IN PACKED COLUMNS

被引:138
作者
VANSWAAIJ, WP
CHARPENTIER, JC
VILLERMAUX, J
机构
[1] Ecole des Industries Chimiques, Université de Nancy
关键词
D O I
10.1016/0009-2509(69)80080-1
中图分类号
TQ [化学工业];
学科分类号
0817 ;
摘要
The residence time distributions in packed columns under trickle-flow conditions have been measured with the injection of a tracer. Analysis of the results obtained in columns packed with Raschig rings of 6·4, 10·3 and 22 mm indicated the occurrence of two different elementary mechanisms causing a spread in residence time, viz. an eddy diffusion process and mass exchange with stagnant areas. The rate of this mass transfer was expressed in terms of the height of a transfer unit, which was found to be about 0·4-0·6 m. © 1969.
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页码:1083 / +
页数:1
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