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Volume 34 Issue 11
Nov.  2008
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Journal of Beijing University of Aeronautics and Astronautics  > 2008  >  34(11): 1307-1310.
Song Lingjun, Li Xinghu. Thermodynamic analysis and experimental verification of hydrogen production from dimethyl ether partial oxidation reforming[J]. Journal of Beijing University of Aeronautics and Astronautics, 2008, 34(11): 1307-1310. (in Chinese)
Citation: Song Lingjun, Li Xinghu. Thermodynamic analysis and experimental verification of hydrogen production from dimethyl ether partial oxidation reforming[J]. Journal of Beijing University of Aeronautics and Astronautics, 2008, 34(11): 1307-1310. (in Chinese)
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Thermodynamic analysis and experimental verification of hydrogen production from dimethyl ether partial oxidation reforming

  • School of Transportation Science and Engineering, Beijing University of Aeronautics and Astronautics, Beijing 100191, China

  • Received Date: 10 Dec 2007
  • Publish Date: 30 Nov 2008
    Abstract
  • Thermodynamic analysis was carried out for theoretical reaction of hydrogen produced from dimethyl ether(DME) partial oxidation reforming by using the element-potential method. The gas concentrations in the product gas were calculated under the constant-pressure and adiabatic condition as a function of air-to-DME ratio(0.5~4) and pressure(0.1~0.5MPa). The result proves that H2 concentration decreases with increasing of pressure. H2 concentration produces from DME partial oxidation reaction is the largest under atmosphere when air-to-DME ratio is about 3. The maximum is about 35%. By increasing air-to-DME ratio, H2 concentration increases firstly and then decreases, and CO concentration doesn-t changes obviously, and the concentration of CO2 and CH4 decreased respectively. Adiabatic temperature increases with increasing of air-to-DME ratio. At last, the experiment of hydrogen-rich gas produces from plasma reforming of DME is carried out on self-made equipments to verify the analysis, it proves that the concentration of H2,CO,CO2 and CH4 as a function of air-to-DME ratio analyzed by the element-potential method is almost in agreement with the experimental result.

     

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