Numerical Analysis on Optimal Zone Lengths for Each Pass in Multipass Zone-Refining Processes

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Title:	Numerical Analysis on Optimal Zone Lengths for Each Pass in Multipass Zone-Refining Processes
Authors:	Ho, Chii-dong;Yeh, Ho-ming;Yeh, Tzuoo-alun
Contributors:	淡江大學化學工程與材料工程學系
Keywords:	Zone refining;Optimal zone length;Multipass
Date:	1998-02-01
Issue Date:	2011-05-20 09:56:34 (UTC+8)
Publisher:	Wiley-Blackwell Publishing, Inc.
Abstract:	The effect of zone length on the separation efficiency in multipass zone-refining processes has been investigated theoretically. The optimal zone length for maximum separation efficiency in each zone pass has been determined. As a well known fact, the best performance in the first pass is achieved by normal-freezing operation. In multipass operations, the optimal zone lengths in each pass and their corresponding maximum fraction of solute removal were obtained with distribution coefficients k and number of passes n as parameters. The results showed the optimal zone lengths for all passes increase with distribution coefficient, but decrease with pass number..
Relation:	The Canadian Journal of Chemical Engineering 76(1), pp.113-119
DOI:	10.1002/cjce.5450760114
Appears in Collections:	[Graduate Institute & Department of Chemical and Materials Engineering] Journal Article

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