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Hydrogen production from partial oxidation of dimethyl ether by plasma-catalyst reforming
  • ISSN号:1005-9784
  • 期刊名称:Journal of Central South University of Technology
  • 时间:2013.12
  • 页码:3764-3769
  • 分类:TQ116.29[化学工程—无机化工] O531[理学—等离子体物理;理学—物理]
  • 作者机构:[1]School of Transportation Science and Engineering, Beihang University, Beijing 100191, China
  • 相关基金:Project(21106002) supported by the National Natural Science Foundation of China; Project(2010DFA72760) supported by Collaboration on Cutting-Edge Technology Development of Electric Vehicle, China
  • 相关项目:车载火花放电等离子体重整制氢系统的优化设计理论及方法
中文摘要:

在这个工作,氢从在气压下面由血浆催化剂混血儿 reformer dimethyl 醚(DME ) 改过的部分氧化被生产。包括血浆和催化剂反应堆的血浆催化剂混血儿 reformer 被设计。火花分泌物被用作非平衡血浆来源,并且电离被用来 DME 和空气的混合。reformer 的表演以煤气的集中,氢收益, DME 变换比率,和特定的精力消费试验性地被描绘。分泌物频率,反应温度, air-to-DME 比率和空间速度的效果被调查。当反应温度在 620 下面落下时,试验性的结果证明血浆催化剂混血儿 reformer 提高氢产量

英文摘要:

In this work,hydrogen is produced from partial oxidation reforming of dimethyl ether (DME) by a plasma-catalyst hybrid reformer under atmospheric pressure.The plasma-catalyst hybrid reformer which includes both plasma and catalyst reactors is designed.A spark discharge is used as a non-equilibrium plasma source,and it is used to ionize the mixture of DME and air.The performances of the reformer are characterized experimentally in terms of gas concentrations,hydrogen yield,DME conversion ratio,and specific energy consumption.The effects of discharge frequency,reaction temperature,air-to-DME ratio and space velocity are investigated.The experimental results show that the plasma-catalyst hybrid reformer enhances hydrogen yield when reaction temperature drops below 620 ℃.At 450 ℃,hydrogen yield of hybrid reforming is almost three times that of catalyst reforming.When space velocity is 510 h-1,hydrogen yield is 67.7%,and specific energy consumption is 12.2 k J/L-H2.

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