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Separation Science and Technology Volume 47, 2012 - Issue 9
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MEMBRANES AND RELATED PROCESSES

Influence of Various Parameters on the Air Separation Process by Magnetic Membranes

Aleksandra Rybak Department of Physical Chemistry and Technology of Polymers, Faculty of Chemistry, Silesian University of Technology, Gliwice, PolandCorrespondence[email protected]
,
Anna Strzelewicz Department of Physical Chemistry and Technology of Polymers, Faculty of Chemistry, Silesian University of Technology, Gliwice, Poland
,
Monika Krasowska Department of Physical Chemistry and Technology of Polymers, Faculty of Chemistry, Silesian University of Technology, Gliwice, Poland
,
Gabriela Dudek Department of Physical Chemistry and Technology of Polymers, Faculty of Chemistry, Silesian University of Technology, Gliwice, Poland
&
Zbigniew J. Grzywna Department of Physical Chemistry and Technology of Polymers, Faculty of Chemistry, Silesian University of Technology, Gliwice, Poland
Pages 1395-1404 | Received 15 Jul 2011, Accepted 13 Nov 2011, Published online: 15 Jun 2012
 
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Abstract

Polymer membranes filled with magnetic powder and magnetized, used for an air enrichment, are investigated. Various polymer matrix with different types and granulation of dispersed magnetic powder were used for the preparation of the membranes. All membranes were examined for N2, O2, and air permeability. Mass transport coefficients were evaluated basing on Time Lag methods and D1-D8 system. Structure and morphology of the obtained membranes were investigated using fractal analysis. Box counting method for calculating generalized fractal dimension was applied. Obtained results allowed to optimize the preparation procedure of magnetic membranes with the best permeation properties.

ACKNOWLEDGEMENTS

The authors would like to thank The Ministry of Science and Higher Education for providing financial support under the project (N N508 409137).

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