高次炭化水素燃料の水蒸気改質における<i>LHSV</i>及び反応温度の影響について

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タイトル別名
  • The Effects of LHSV and Reaction Temperature upon Steam Reforming for Heavy Hydrocarbons

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The authors develop a small and simple steam-reforming reactor in a home-use size for n-dodecane as a heavy-hydrocarbons fuel. Under the thermal condition controlled by electric heaters and a gas burner with a thermal diffuser, the authors measure the inside-temperature profile and the hydrogen-molecule ratio (concentration) RH2, together with the molecule ratios RCH4, RCO and RCO2 of other main gas components such as CH4, CO and CO2, respectively. As a result, the authors successfully achieve suitable inside-temperature profiles. And, the effects of the liquid-hourly space velocity LHSV and of the temperature T inside the reactor upon the molecule ratios are revealed, as well as the LHSV effect upon the conversion ratio. The comparison with the thermal-equilibrium theory indicates that the temperature at the catalyst-layer-bed downstream end could be regarded as the reaction temperature.

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