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Numerical investigation of components influence on characteristics of autothermal reforming of methane in micro premix chamber

机译：组分对微型预混室内甲烷自热重整特性影响的数值研究

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摘要

This paper focuses on investigating that the influence of O_2, CO_2 and H_2O on characteristics of autothermal reforming of methane in micro premix chamber on Ni catalysts. In addition, the effect of catalytic wall temperature on autothermal reforming reaction of methane under a certain ratio of CH_4/CO_2/H_2O/O_2 is simulated. The results indicate that appropriately increasing O_2 concentration can increase the conversion efficiency of CH_4, so does adding CO_2 or H_2O. The positive effect of O_2, CO_2 and H_2O is more pronounced at the higher temperature. The temperature range of 650-750 K is the important transitional region in the reactions of CH_4/O_2, CH_4/H_2O and CH_4/CO_2. It also gives a guide to the available range of parameters in the high efficiency reforming process of micro-reactor.
机译：本文重点研究了O_2，CO_2和H_2O对微量预混室中甲烷自热重整特性对Ni催化剂的影响。此外，模拟了在一定比例的CH_4 / CO_2 / H_2O / O_2下，催化壁温度对甲烷自热重整反应的影响。结果表明，适当提高O_2的浓度可以提高CH_4的转化效率，添加CO_2或H_2O的效率也可以提高。在较高温度下，O_2，CO_2和H_2O的积极作用更加明显。 650-750 K的温度范围是CH_4 / O_2，CH_4 / H_2O和CH_4 / CO_2反应的重要过渡区域。它还为微反应器高效重整过程中的可用参数范围提供了指南。

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  • 来源
    《International journal of hydrogen energy》 |2014年第22期|11583-11591|共9页
  • 作者

    Yunfei Yan; Weimin Tang; Li Zhang; Xin Zhang; Lixiang Niu; Ke Liu; Junchen Zhu;

  • 作者单位

    Key Laboratory of Low-grade Energy Utilization Technologies and Systems, Chongqing University, Ministry of Education, Chongqing 400030, PR China,College of Power Engineering, Chongqing University, Chongqing 400030, PR China;

    College of Power Engineering, Chongqing University, Chongqing 400030, PR China;

    Key Laboratory of Low-grade Energy Utilization Technologies and Systems, Chongqing University, Ministry of Education, Chongqing 400030, PR China,College of Power Engineering, Chongqing University, Chongqing 400030, PR China;

    Laboratory for Microsystems Technology, Department of Mechanical Engineering, Boston University, Boston, 02215, United States;

    College of Power Engineering, Chongqing University, Chongqing 400030, PR China;

    College of Power Engineering, Chongqing University, Chongqing 400030, PR China;

    College of Power Engineering, Chongqing University, Chongqing 400030, PR China;

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

    Micro premixed; Methane; Surface reaction; Autothermal reforming;

    机译：微预混合;甲烷表面反应;自热重整;

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