Conference Abstracts

Synthesis of a composite inorganic membrane for the separation of nitrogen, tetrafluoromethane and hexafluoropropylene

Hertzog Bissett, H. M. Krieg
Suid-Afrikaanse Tydskrif vir Natuurwetenskap en Tegnologie | Vol 30, No 1 | a104 | DOI: https://doi.org/10.4102/satnt.v30i1.104 | © 2011 Hertzog Bissett, H. M. Krieg | This work is licensed under CC Attribution 4.0
Submitted: 20 September 2011 | Published: 27 October 2011

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Hertzog Bissett, North West University, South Africa
H. M. Krieg,, South Africa


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Abstract

Composite inorganic membranes were synthesised for gas component separation of N2, CF4 and C3F6. Selectivities lower than Knudsen selectivities were obtained due to membrane defects. A composite ceramic membrane consisting of a ceramic support structure, a MFI intermediate zeolite layer and a Teflon top layer, was developed to improve separation.


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