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Hydrogen Generation from Aluminum Corrosion in Aqueous Solutions

机译：水溶液中铝腐蚀产生的氢气

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摘要

The H_2 can be generated from the aluminum water reaction. Hydrogen generation rate by using aluminum from soft drink was measured by immersing samples in H_2SO_4, Na_2SO_4, KOH, and NaOH solutions. No observable amount of hydrogen is generated in acidic or in neutral solutions. At a given concentration, the generation rate of H_2 is higher in NaOH solution than in KOH solution. High generation rate of H_2 is obtained in concentrated NaOH as well as in concentrated KOH solutions. The gas volume of H_2 generation can be fitted into a semi-empirical equation as function of reaction time. The H_2 generation rate can be divided into two stages. During the first stage, hydrogen generation rate increases as the reaction continued. It reaches a maximum then gradually reduced in the second stage of reaction.
机译：H_2可以由铝水反应产生。通过将样品浸入H_2SO_4，Na_2SO_4，KOH和NaOH溶液中，测量软饮料中铝的产氢速率。在酸性或中性溶液中不会产生可观察到的氢量。在给定的浓度下，NaOH溶液中的H_2生成速率高于KOH溶液中的H_2生成速率。在浓NaOH和浓KOH溶液中均能获得高的H_2生成率。可以将H_2生成的气体量拟合为反应时间函数的半经验方程式。 H_2的产生率可以分为两个阶段。在第一阶段，随着反应的继续，氢气的产生速率增加。它达到最大值，然后在反应的第二阶段逐渐减少。

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  • 来源
    《Polymer Electrolyte Fuel Cells 12》|2012年|2207-2214|共8页
  • 会议地点 Honolulu HI(US)
  • 作者

    Yen-Wen Chiu; Chiao-Hsin Chen; Kan-Lin Hsueh; Ju-Shei Hung;

  • 作者单位

    Dept. of Chem. Eng., National United University, Miaoli, Taiwan, 36003, R.O.C.;

    Dept. of Energy Eng., National United University, Miaoli, Taiwan, 36063, R.O.C.;

    Dept. of Energy Eng., National United University, Miaoli, Taiwan, 36063, R.O.C.;

    Dept. of Chem. Eng., National United University, Miaoli, Taiwan, 36003, R.O.C.;

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  • 正文语种 eng
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