A Study of the Graetz Problems in Concentric-Tube Continuous-Contact Countercurrent Separation Processes with Recycles at Both Ends

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Title:	A Study of the Graetz Problems in Concentric-Tube Continuous-Contact Countercurrent Separation Processes with Recycles at Both Ends
Authors:	Yeh, Ho-ming;Chang, Tung-wen;Tsai, Shau-wei
Contributors:	淡江大學化學工程與材料工程學系
Date:	1986-06
Issue Date:	2010-03-09 10:06:43 (UTC+8)
Publisher:	New York:Taylor & Francis
Abstract:	A mathematical model for the concentric-tube square-off continuous-contact countercurrent separation process with recycles at both ends is developed to predict the concentrations of product. An analytical solution is obtained by means of the orthogonal expansion method. It has been found that only the positive eigenvalues for the enriching section and the negative eigenvalues for the stripping section are required during the calculation of the concentrations of product. Numerical results are presented for the separation of a benzene-n-heptane mixture in a concentric-tube thermal diffusion column.
Relation:	Separation science and technology 21(4), pp.403-419
DOI:	10.1080/01496398608057171
Appears in Collections:	[Graduate Institute & Department of Chemical and Materials Engineering] Journal Article

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