Steam reforming of hydrocarbons with nonthermal plasma

Shigeru Futamura, Hajime Kabashima, Hisahiro Einaga

研究成果: ジャーナルへの寄稿Conference article

2 引用 (Scopus)

抄録

Steam reforming of methane, ethane, propane, and neopentane was investigated with two types of nonthermal plasma reactors. With a ferroelectric packed-bed reactor (FPR) in N2, almost the same conversions were obtained for ethane, propane, and neopentane, but methane was less reactive than these hydrocarbons. Hydrogen gas yieid decreased in the order: methane ≈ ethane > propane > neopentane. The molar ratio of H2 to CO {[H2]/[CO]} exceeded 3.5 for all the hydrocarbons. [H2]/[CO] did not change in the range of H2O content from 0.5 % to 2.5 %. At the volumetric ratio of H2O to Hydrocarbon = 2.0, carbon balances were poor for ethane, propane, and neopentane, but almost all of the carbon atoms in the reacted methane were recovered as CO and CO2. The selectivities of CO and CO2 depended on the chemical structures of the substrate hydrocarbons. It is considered that the water-gas-shift reaction proceeds backward for the reaction systems of hydrogen-rich hydrocarbons. FPR maintained the same performance for 10 h in the steam reforming of methane. The efficiency of a silent discharge plasma reactor was much lower than that of FPR.

元の言語英語
ページ(範囲)1795-1801
ページ数7
ジャーナルConference Record - IAS Annual Meeting (IEEE Industry Applications Society)
3
出版物ステータス出版済み - 1 1 2002
外部発表Yes
イベント37th IAS Annual Meeting and World Conference on Industrial applications of Electrical Energy - Pittsburgh, PA, 米国
継続期間: 10 13 200210 18 2002

Fingerprint

Steam reforming
propane
ethane
Ethane
Methane
Propane
methane
Hydrocarbons
hydrocarbon
Plasmas
plasma
Packed beds
Ferroelectric materials
hydrogen
Hydrogen
Carbon
Water gas shift
carbon balance
gas
reactor

All Science Journal Classification (ASJC) codes

  • Control and Systems Engineering
  • Industrial and Manufacturing Engineering
  • Electrical and Electronic Engineering

これを引用

Steam reforming of hydrocarbons with nonthermal plasma. / Futamura, Shigeru; Kabashima, Hajime; Einaga, Hisahiro.

:: Conference Record - IAS Annual Meeting (IEEE Industry Applications Society), 巻 3, 01.01.2002, p. 1795-1801.

研究成果: ジャーナルへの寄稿Conference article

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abstract = "Steam reforming of methane, ethane, propane, and neopentane was investigated with two types of nonthermal plasma reactors. With a ferroelectric packed-bed reactor (FPR) in N2, almost the same conversions were obtained for ethane, propane, and neopentane, but methane was less reactive than these hydrocarbons. Hydrogen gas yieid decreased in the order: methane ≈ ethane > propane > neopentane. The molar ratio of H2 to CO {[H2]/[CO]} exceeded 3.5 for all the hydrocarbons. [H2]/[CO] did not change in the range of H2O content from 0.5 {\%} to 2.5 {\%}. At the volumetric ratio of H2O to Hydrocarbon = 2.0, carbon balances were poor for ethane, propane, and neopentane, but almost all of the carbon atoms in the reacted methane were recovered as CO and CO2. The selectivities of CO and CO2 depended on the chemical structures of the substrate hydrocarbons. It is considered that the water-gas-shift reaction proceeds backward for the reaction systems of hydrogen-rich hydrocarbons. FPR maintained the same performance for 10 h in the steam reforming of methane. The efficiency of a silent discharge plasma reactor was much lower than that of FPR.",
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