Numerical investigation of components influence on characteristics of autothermal reforming of methane in micro premix chamber |
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| Authors: | Yunfei Yan Weimin Tang Li Zhang Xin Zhang Lixiang Niu Ke Liu Junchen Zhu |
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| Affiliation: | 1. Key Laboratory of Low-grade Energy Utilization Technologies and Systems, Chongqing University, Ministry of Education, Chongqing 400030, PR China;2. College of Power Engineering, Chongqing University, Chongqing 400030, PR China;3. Laboratory for Microsystems Technology, Department of Mechanical Engineering, Boston University, Boston, MA 02215, United States |
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| Abstract: | This paper focuses on investigating that the influence of O2, CO2 and H2O 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 CH4/CO2/H2O/O2 is simulated. The results indicate that appropriately increasing O2 concentration can increase the conversion efficiency of CH4, so does adding CO2 or H2O. The positive effect of O2, CO2 and H2O is more pronounced at the higher temperature. The temperature range of 650–750 K is the important transitional region in the reactions of CH4/O2, CH4/H2O and CH4/CO2. It also gives a guide to the available range of parameters in the high efficiency reforming process of micro-reactor. |
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| Keywords: | Micro premixed Methane Surface reaction Autothermal reforming |
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