Dense ceramic membranes for converting methane to syngas

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Dense mixed-oxide ceramics capable of conducting both electrons and oxygen ions are promising materials for partial oxygenation of methane to syngas. We are particularly interested in an oxide based on the Sr-Fe-Co-O system. Dense ceramic membrane tubes have been fabricated by a plastic extrusion technique. The sintered tubes were then used to selectively transport oxygen from air through the membrane to make syngas without the use of external electrodes. The sintered tubes have operated for >1000 h, and methane conversion efficiencies of >98% have been observed. Mechanical properties, structural integrity of the tubes during reactor operation, results of methane conversion, ... continued below

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9 p.

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Balachandran, U.; Dusek, J.T.; Picciolo, J.J.; Ma, B.; Maiya, P.S.; Mieville, R.L. et al. July 1, 1995.

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Description

Dense mixed-oxide ceramics capable of conducting both electrons and oxygen ions are promising materials for partial oxygenation of methane to syngas. We are particularly interested in an oxide based on the Sr-Fe-Co-O system. Dense ceramic membrane tubes have been fabricated by a plastic extrusion technique. The sintered tubes were then used to selectively transport oxygen from air through the membrane to make syngas without the use of external electrodes. The sintered tubes have operated for >1000 h, and methane conversion efficiencies of >98% have been observed. Mechanical properties, structural integrity of the tubes during reactor operation, results of methane conversion, selectivity of methane conversion products, oxygen permeation, and fabrication of multichannel configurations for large-scale production of syngas will be presented.

Physical Description

9 p.

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OSTI as DE96002494

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  • 188. meeting of the Electrochemical Society, Chicago, IL (United States), 8-13 Oct 1995

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  • Other: DE96002494
  • Report No.: ANL/ET/CP--86689
  • Report No.: CONF-951007--11
  • Grant Number: W-31109-ENG-38
  • Office of Scientific & Technical Information Report Number: 154880
  • Archival Resource Key: ark:/67531/metadc621532

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  • July 1, 1995

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  • June 16, 2015, 7:43 a.m.

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  • Dec. 15, 2015, 6:07 p.m.

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Balachandran, U.; Dusek, J.T.; Picciolo, J.J.; Ma, B.; Maiya, P.S.; Mieville, R.L. et al. Dense ceramic membranes for converting methane to syngas, article, July 1, 1995; Illinois. (digital.library.unt.edu/ark:/67531/metadc621532/: accessed June 23, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.