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首页> 外文会议>Conference on process integration, modelling and optimisation for energy saving and pollution reduction >Investigation of a Dual-Bed Autothermal Reforming of Methane for Hydrogen Production
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Investigation of a Dual-Bed Autothermal Reforming of Methane for Hydrogen Production

机译：调查氢生产甲烷的双床自热重整

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This paper presents a performance analysis of a dual-bed autothermal reformer of methane for hydrogen production. The first section of Pt/Al_2O_3 catalyst is designed for oxidation reaction, whereas the second one involves steam reforming reaction based on Ni/MgAl_2O_4 catalyst. A one dimensional, non-isothermal reactor model was employed to examine the reformer performance regarding important operating conditions such as H_2O/CH_4 feed ratio; O2/CH_4 feed ratio, temperature and location of steam feed. The simulation results indicate that when the dual-bed reformer was operated at the H_2O/CH_4 feed ratio of 1.0–2.0 and O_2/CH_4 feed ratio of 0.45–0.60, the methane conversion of 93% and the H_2/CO product ratio of higher than 2.9 were obtained. In addition, it was found that adding steam at lower temperatures to the steam reforming section of the dual-bed reformer can produce the synthesis gas with a higher H_2/CO ratio.
机译：本文介绍了对氢生产的甲烷的双床自热重整器的性能分析。 Pt / Al_2O_3催化剂的第一部分设计用于氧化反应，而第二部分涉及基于Ni / MgAl_2O_4催化剂的蒸汽重整反应。采用一维的非等温反应器模型来检查关于重要操作条件的重整器性能，如H_2O / CH_4进料比; O2 / CH_4进料比，温度和蒸汽饲料的位置。模拟结果表明，当双层重整器以1.0-2.0和O_2 / CH_4进料比为0.45-0.60的H_2O / CH_4进料比运行时，甲烷转化率为93％，H_2 / CO产品比例更高获得了2.9。另外，发现在双层重整器的较低温度下添加蒸汽，可以产生具有更高H_2 / CO比的合成气。

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