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    Please use this identifier to cite or link to this item: https://ir.lib.ksu.edu.tw/handle/987654321/2496

    Title: Characteristics of hydrogen produced by partial oxidation and auto-thermal reforming in a small methanol reformer
    Authors: Rong-Fang Horng
    Huann-Ming Chou
    Chiou-Hwang Lee
    Hsien-Te Tsai
    Keywords: Methanol reformer
    Partial oxidation reforming
    Auto-thermal reforming
    Steady mode shifting temperature
    Date: 2006-07-28
    Issue Date: 2009-08-12 19:02:37 (UTC+8)
    Abstract: This paper investigates experimentally, the transient characteristics of a small methanol reformer using partial oxidation (POX) and auto-thermal reforming (ATR) for fuel cell applications. The parameters varied were heating temperature, methanol supply rate, steady mode shifting temperature,O2/C (O2/CH3OH) and S/C (H2O/CH3OH) molar ratios with the main aim of promoting a rapid response and a high flow rate of hydrogen. The experiments showed that a high steady mode shifting temperature resulted in a faster temperature rise at the catalyst outlet and vice versa and that a low steady mode shifting temperature resulted in a lower final hydrogen concentration. However, when the mode shifting temperature was too high, the hydrogen production response was not necessarily improved. It was subsequently shown that the optimum steady mode shifting temperature for this experimental set-up was approximately 75℃. Further, the hydrogen concentration produced by the auto-thermal process was as high as 49.12% and the volume flow rate up to 23.0 L min-1 compared to 40.0% and 20.5 L min-1 produced by partial oxidation.
    Relation: Journal of Power Sources, v. 161, 2006, p. 1225-1233
    Appears in Collections:[機械工程系所] 期刊論文

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