Development of a ceramic membrane for upgrading methane to high-value-added clean fuels

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The upgrading of natural gas (which consists mostly of methane) to high-value-added clean-burning fuels such as dimethyl ether, alcohols, and pollution-fighting fuel additives is driven by the abundance of natural gas discovered in remote areas. Recently, extensive efforts have focused on both direct and indirect conversion of methane to these value-added products. The direct-conversion route is the most difficult approach because the products are more reactive than the starting reactant, methane. Indirect routes require the partial oxidation of methane to synthesis gas (syngas, CO + H{sub 2}) in a first stage. The syngas is then converted to upgraded products in ... continued below

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7 p.

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Balachandran, U.; Dusek, J.T. & Picciolo, J.J. December 1, 1996.

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Description

The upgrading of natural gas (which consists mostly of methane) to high-value-added clean-burning fuels such as dimethyl ether, alcohols, and pollution-fighting fuel additives is driven by the abundance of natural gas discovered in remote areas. Recently, extensive efforts have focused on both direct and indirect conversion of methane to these value-added products. The direct-conversion route is the most difficult approach because the products are more reactive than the starting reactant, methane. Indirect routes require the partial oxidation of methane to synthesis gas (syngas, CO + H{sub 2}) in a first stage. The syngas is then converted to upgraded products in a second stage. The most significant cost associated with partial oxidation of methane to syngas is that of the oxygen plant. In this paper, we offer a technology that is based on dense ceramic membranes and that uses air as the oxidant for methane-conversion reaction; thus eliminating tile need for the costly oxygen plant. Certain ceramic materials exhibit both electronic and oxide-ionic conductivities. These mixed-conductor materials transport not only oxygen ions (functioning as selective oxygen separators), but also electrons. No external electrodes are required and such a system will operate without an externally applied potential. Oxygen is transported across the ceramic material in the form of oxygen anions, not oxygen molecules.

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7 p.

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OSTI as DE97003164

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  • 213. national meeting of the American Chemical Society, San Francisco, CA (United States), 13-17 Apr 1997

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  • Other: DE97003164
  • Report No.: ANL/ET/CP--91320
  • Report No.: CONF-970443--13
  • Grant Number: W-31109-ENG-38
  • Office of Scientific & Technical Information Report Number: 453772
  • Archival Resource Key: ark:/67531/metadc674962

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Office of Scientific & Technical Information Technical Reports

Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

Office of Scientific and Technical Information (OSTI) is the Department of Energy (DOE) office that collects, preserves, and disseminates DOE-sponsored research and development (R&D) results that are the outcomes of R&D projects or other funded activities at DOE labs and facilities nationwide and grantees at universities and other institutions.

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  • December 1, 1996

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  • July 25, 2015, 2:21 a.m.

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  • Dec. 16, 2015, 12:19 p.m.

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Balachandran, U.; Dusek, J.T. & Picciolo, J.J. Development of a ceramic membrane for upgrading methane to high-value-added clean fuels, article, December 1, 1996; Illinois. (digital.library.unt.edu/ark:/67531/metadc674962/: accessed September 24, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.