Combustion and reformulation characteristics of biogas in plasma assisted combustion using microwave induced non-equilibrium plasma

Tsuyoshi Yamamoto, S. Uchiyama, Hideki Matsune, Masahiro Kishida

研究成果: 会議への寄与タイプ学会誌査読

抄録

To utilize biogas validly, we have applied plasma assisted combustion using microwave to the combustion and reformulation of biogas. In this study, the characteristics of combustion and reformulation of biogas have been investigated by comparing of large and small nozzle. In case of small nozzle, the combustion and reformulation of biogas stably occurs over a wider equivalence ratio area than that in case of large nozzle, because the damping of microwave is inhibited. N2 and OH radical decrease, and H, CO, CH and C2 radicals increase as equivalence ratio. H2 and CO concentrations increase, and CO2 concentration decreases with increasing equivalence ratio. In this method, since the reaction of CO2 + e → CO + O occurs, the amount of CO2 of produced gas is less than the amount of supplied CO2 in high equivalence ratio region. Cold gas efficiency increases with increasing H2 and CO concentrations. When CH4 is completely reformed into H2 and CO, cold gas efficiency is about 95 %. However, the maximum value of cold gas efficiency is approximately 110 % at small nozzle, because CO2, which does not have calorific value, is decomposed into CO, which has calorific value.

本文言語英語
出版ステータス出版済み - 1月 1 2017
イベント11th Asia-Pacific Conference on Combustion, ASPACC 2017 - Sydney, オーストラリア
継続期間: 12月 10 201712月 14 2017

その他

その他11th Asia-Pacific Conference on Combustion, ASPACC 2017
国/地域オーストラリア
CitySydney
Period12/10/1712/14/17

!!!All Science Journal Classification (ASJC) codes

  • 凝縮系物理学
  • エネルギー工学および電力技術
  • 燃料技術
  • 化学工学(全般)

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