Journal of Applied Science and Engineering

Published by Tamkang University Press

1.30

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2.10

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Ho-Ming Yeh This email address is being protected from spambots. You need JavaScript enabled to view it.1

1Energy and Opto-Electronic Materials Research Center, Department of Chemical and Materials Engineering, Tamkang University, Tamsui, Taiwan 251, R.O.C.


 

Received: September 7, 2010
Accepted: March 11, 2011
Publication Date: December 1, 2011

Download Citation: ||https://doi.org/10.6180/jase.2011.14.4.08  


ABSTRACT


The effect of mass transfer in parallel-flow rectangular dialyzers with internal recycle has been investigated. In contrast to the same size device without recycle, considerable improvement in performance is achievable if one of the flow channels, either retentate phase or dialysate phase, is divided into two subchannels of same width (w/2) with one performed as the operating subchannel and the other as the reflux cochannel, which provides the increase in the fluid velocity, resulting in reduction of mass-transfer resistance. The improvement by recycle operation increases both the flow rate of liquid and reflux ratio with negligible amount of hydraulic-dissipated energy.


Keywords: Mass Transfer, Rectangular Dialyzer, Internal Reflux, Parallel Flow


REFERENCES


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