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Preparation and performance of a perovskite-type tubular membrane for the partial oxidation of methane

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Abstract

Thin-walled (∼200 μm) tubular membranes intended for the catalytic partial oxidation of natural gas have been manufactured from La0.6Sr0.4Co0.2Fe0.8O3−δ (LSCF) powders using viscous plastic processing technology. The perovskite-type powders were synthesised using various conventional and novel techniques. The tubes have been characterised using a custom-built gas analysis rig with on-line mass spectrometry.

Porosity levels of the membranes were found to be very low (<0.5%) as calculated using a mass spectrometry leakage test. This was confirmed by microstructural analysis of polished cross-sections using SEM. The spontaneous oxygen flux across the tubular membranes was determined as a function of temperature. Oxygen permeation rates were found to range from 0.1 to 0.3 μmol cm−2s−1 at 1273 K.

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Authors and Affiliations

  1. Birchall Centre of Inorganic Chemistry and Materials Science, School of Chemistry and Physics, Keele University, ST5 5BG, Staffordshire, United Kingdom

    Rebecca A. Richardson & R. Mark Ormerod

  2. CERAM, Queens Road, Penkhull, ST4 7LQ, Stoke-on-Trent, United Kingdom

    Rebecca A. Richardson & John W. Cotton

Authors
  1. Rebecca A. Richardson
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  2. R. Mark Ormerod
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  3. John W. Cotton
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Richardson, R.A., Mark Ormerod, R. & Cotton, J.W. Preparation and performance of a perovskite-type tubular membrane for the partial oxidation of methane. Ionics 9, 411–416 (2003). https://doi.org/10.1007/BF02376594

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  • DOI: https://doi.org/10.1007/BF02376594

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