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ECN publication
Title:
CFD modelling of the simplified Johnson Matthey membrane module
 
Author(s):
Lycklama à Nijeholt, J.A.
 
Published by: Publication date:
ECN NUCLEAIR 1998
 
ECN report number: Document type:
ECN-I--98-016 Other
 
Number of pages: Full text:
35 Download PDF  

Abstract:
The mass transfer of hydrogen in the simplified Johnson Matthey membranemodule is modelled in order to increase the understanding of the mass transfer characteristics of the module. The computational fluid dynamical software package CFDS-FLOW3D is used for this purpose. The Johnson Matthey module is simplified in the model as two coaxial cylinders representing the annular flow of feed gas and the pipe flow of sweep gas. Both flows are countercurrent and are separated by the membrane. Atmospheric temperature and pressure, and binary gas mixtures are assumed in the simplified membrane module. The modelling results demonstrate the strong coupling between hydrodynamics and the hydrogen separation performance of the module. 6 refs.


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