Compact Single-Stage Fuel Processor for PEM Fuel Cells. Final report

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Based on observations during the steam reforming of ethanol, the authors conclude that carbon was forming in the steam generator due to the thermal decomposition of ethanol. Since ethanol is being thermally decomposed, they were operating the steam generator at too high of a temperature. The thermal degradation of ethanol was confirmed by using a GC with a flame ionization detector. They observed trace amounts of additional hydrocarbons other than methane in the effluent which we assume maybe ethane and ethylene. We identified the operating conditions that allowed us to steam reform ethanol for an acceptable amount of time. These ... continued below

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48 p.

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Rhine, Wendell E. & Ye, Neng January 2000.

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Description

Based on observations during the steam reforming of ethanol, the authors conclude that carbon was forming in the steam generator due to the thermal decomposition of ethanol. Since ethanol is being thermally decomposed, they were operating the steam generator at too high of a temperature. The thermal degradation of ethanol was confirmed by using a GC with a flame ionization detector. They observed trace amounts of additional hydrocarbons other than methane in the effluent which we assume maybe ethane and ethylene. We identified the operating conditions that allowed us to steam reform ethanol for an acceptable amount of time. These conditions were a steam temperature of 200 C and a wall temperature of 400 C at the center of the reactor. The calculated ratios of CO{sub 2}/CO indicate that we can lower the potential for carbon deposition from the Boudouard further by reducing the pressure.

Physical Description

48 p.

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OSTI as DE00761167

Medium: P; Size: 48 pages

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  • Other Information: PBD: 1 Jan 2000

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  • Report No.: DOE/EE/50533
  • Grant Number: FC02-98EE50533
  • DOI: 10.2172/761167 | External Link
  • Office of Scientific & Technical Information Report Number: 761167
  • Archival Resource Key: ark:/67531/metadc718660

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Office of Scientific & Technical Information Technical Reports

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Creation Date

  • January 2000

Added to The UNT Digital Library

  • Sept. 29, 2015, 5:31 a.m.

Description Last Updated

  • April 12, 2017, 7:06 p.m.

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Rhine, Wendell E. & Ye, Neng. Compact Single-Stage Fuel Processor for PEM Fuel Cells. Final report, report, January 2000; United States. (digital.library.unt.edu/ark:/67531/metadc718660/: accessed September 25, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.