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Hydrogen production via dry reforming of butanol: Thermodynamic analysis

机译:丁醇干重整制氢:热力学分析

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摘要

Dry reforming of butanol for hydrogen production has been studied by Gibbs free energy minimization method. The calculation results showed that the formation of hydrogen and carbon monoxide was through a multi-step pathway via the dehydrogenation, dehydration, decomposition and carbon dioxide reforming of butanol. The optimum conditions for hydrogen production are identified: reaction temper atures between 1150 and 1200 K and carbon dioxide-to-butanol molar ratios between 3.5 and 4.0 at 1 atm. Under the above conditions, 100% conversion of butanol, 34.91-37.98% concentration of hydrogen and 57.34-57.87% concentration of carbon monoxide could be achieved in the absence of coke formation. The butanol dry reforming with carbon dioxide is suitable for providing fuels for Solid Oxide Fuel Cell (SOFC). The coke-formed and coke-free regions are found, which are useful in guiding the search for suit able catalysts for the reaction.
机译:已经通过吉布斯自由能最小化方法研究了丁醇的干重整用于制氢。计算结果表明,丁醇的脱氢,脱水,分解和二氧化碳重整是通过多步途径形成的氢和一氧化碳。确定了制氢的最佳条件:反应温度在1150和1200 K之间,二氧化碳与丁醇的摩尔比在1个大气压下为3.5和4.0之间。在上述条件下,在不形成焦炭的情况下,可以实现丁醇的100%转化率,氢浓度34.91-37.98%和一氧化碳浓度57.34-57.87%。用二氧化碳进行的丁醇干重整适合为固体氧化物燃料电池(SOFC)提供燃料。发现形成焦炭的区域和没有焦炭的区域,这对于指导寻找合适的反应催化剂是有用的。

著录项

  • 来源
    《Fuel》 |2011年第4期|p.1681-1688|共8页
  • 作者

    Wenju Wang;

  • 作者单位

    Key Laboratory for Thermal Science and Power Engineering of Ministry of Education, Department of Thermal Engineering, Tsinghua University, Beijing 100084, PR China;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    dry reforming; butanol; hydrogen; thermodynamic;

    机译:干重整丁醇氢;热力学;

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