Citation: RAN Jing-Yu, ZHAO Liu-Jie. Thermodynamic Analysis of Low Temperature Methane Wet-Air Reforming in a Microcombustor[J]. Acta Physico-Chimica Sinica, ;2010, 26(11): 2899-2906. doi: 10.3866/PKU.WHXB20101121 shu

Thermodynamic Analysis of Low Temperature Methane Wet-Air Reforming in a Microcombustor

1.
College of Thermal Power Engineering, Chongqing University, Chongqing 400044, P.R.China

Received Date: 12 April 2010
Available Online: 28 September 2010
Fund Project: 国家自然科学基金(50876118) (50876118)教育部新世纪优秀人才计划(NCET-08-0605)资助项目 (NCET-08-0605)

We studied the effects of reaction pressure, molar ratios of air to methane and steam to methane on the reforming process at temperatures below 973 K theoretically. Their reasonable ranges were also studied. We also compared the performance of a methane autothermal reforming system and a non-oxygen system. Results show that methane autothermal reforming occurs much more easily at temperatures above 633 K, reaction pressures below 0.10 MPa, a molar ratio of air to methane of 2.0, and a molar ratio of steam to methane between 1.0 and 2.5. At a definite methane mass flow, a higher methane conversion rate and hydrogen yield can be obtained at lower temperatures and in lesser steam to methane ratio in an autothermal reforming systemcompared with a non-oxygen system.
- Micro-combustor,
- Low temperature,
- Autothermal reforming,
- Thermodynamic analysis,
- Non-oxygen system,
- Contrast
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沈阳化工大学材料科学与工程学院沈阳 110142