The Improvement of Thermal Diffusion Performance in the Modified Frazier Scheme by Increasing the Column Heights at a Constant Ratio

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Title:	The Improvement of Thermal Diffusion Performance in the Modified Frazier Scheme by Increasing the Column Heights at a Constant Ratio
Authors:	Yeh, Ho-Ming;Ho, Chii-Dong;Chen, Liu-Yi
Keywords:	thermal diffusion;Modified Frazier scheme;column heights increased;number of columns adjusted;total sum of column heights fixed
Date:	2015-02-04
Issue Date:	2016-10-22 02:11:20 (UTC+8)
Publisher:	Philadelphia: Taylor &; Francis Inc.
Abstract:	The effects of column number and the variation of column heights on thermal diffusion along the modified Frazier scheme, has been investigated with the total sum of column heights fixed. The equations, which may be employed to predict the optimal number of columns and the optimal column-height ratio for the maximum separation, have been derived. Considerable improvement in performance is obtainable if the column-height ratio and/or column number in a modified Frazier scheme with the total sum of column heights fixed are properly assigned for a certain flow-rate operation, instead of using the conventional Frazier scheme of uniform column height with the same total sum of column heights.
Relation:	Separation Science and Technology 50(1), p.17-25
DOI:	10.1080/01496395.2014.947037
Appears in Collections:	[Graduate Institute & Department of Chemical and Materials Engineering] Journal Article

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