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Optimization geometries of a vortex gliding-arc reactor for partial oxidation of methane

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  • Guofeng, Xu
  • Xinwei, Ding

Abstract

The effects of the geometry of gliding-arc reactor – such as distance between the electrodes, outlet diameter, and inlet position – on the reactor characteristics (methane conversion, hydrogen yield, and energy efficiency) have not been fully investigated. In this paper, AC gliding-arc reactors including the vortex flow configuration are designed to produce hydrogen from the methane by partial oxidation. The influence of vortex flow configuration on the reactor characteristics is also studied by varying the inlet position. When the inlet of the gliding-arc reactor is positioned close to the outlet, reverse vortex flow reactor (RVFR), the maximum energy efficiency reaches 50% and the yields of hydrogen and carbon monoxide are 40% and 65%, respectively. As the distance between electrodes increases from 5 mm to 15 mm, both hydrogen yield and energy efficiency increase approximately 10% for the RVFR. The energy efficiency and hydrogen yield are highest when the ratio of the outlet diameter to the inner diameter is 0.5 for the RVFR. Experimental results indicate that the flow field in the plasma reactor has an important influence on the reactor performance. Furthermore, hydrogen production increases as the number of feed gas flows in contact with the plasma zone increases.

Suggested Citation

  • Guofeng, Xu & Xinwei, Ding, 2012. "Optimization geometries of a vortex gliding-arc reactor for partial oxidation of methane," Energy, Elsevier, vol. 47(1), pages 333-339.
    • Handle: RePEc:eee:energy:v:47:y:2012:i:1:p:333-339
    DOI: 10.1016/j.energy.2012.09.032
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    References listed on IDEAS

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    1. Indarto, Antonius & Choi, Jae-Wook & Lee, Hwaung & Song, Hyung Keun, 2006. "Effect of additive gases on methane conversion using gliding arc discharge," Energy, Elsevier, vol. 31(14), pages 2986-2995.
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    2. Czylkowski, Dariusz & Hrycak, Bartosz & Jasiński, Mariusz & Dors, Mirosław & Mizeraczyk, Jerzy, 2016. "Microwave plasma-based method of hydrogen production via combined steam reforming of methane," Energy, Elsevier, vol. 113(C), pages 653-661.
    3. Ray, Debjyoti & Nepak, Devadutta & Vinodkumar, T. & Subrahmanyam, Ch., 2019. "g-C3N4 promoted DBD plasma assisted dry reforming of methane," Energy, Elsevier, vol. 183(C), pages 630-638.

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