Hydrogen Production for Fuel Cells by a Methane Reformer Integrated with Steam Generation

被引:1
作者
Xie, Donglai [1 ]
Peng, Ang [1 ]
Wang, Ziliang [1 ]
Zhang, Yajun [1 ]
机构
[1] S China Univ Technol, Guangzhou, Guangdong, Peoples R China
关键词
hydrogen; steam methane reforming; oxidation steam reforming; heat and power cogeneration; NATURAL-GAS; PROCESSOR; SYSTEM; COMPACT; DESIGN;
D O I
10.1515/1542-6580.2980
中图分类号
TQ [化学工业];
学科分类号
0817 ;
摘要
The fuel cell based heat and power co-generation is considered to be well qualified for a distributed energy system for residential and small commercial applications. A kW-scale system is under development in the New Energy Group in South China University of Technology. Natural gas is selected as fuel for hydrogen production. The system mainly consists of a fuel processing unit, a power generation unit and an auxiliary unit. The fuel processing unit includes a reformer (integrated with steam generation), two high and low temperature shift reactors, and a preferential oxidation reactor. The reformer integrated with steam generation is designed to produce hydrogen-rich syngas from natural gas and water. It can be operated under steam methane reforming or oxidative steam reforming modes. 800 grams of commercial nickel catalyst supported on gamma alumina are loaded in the reformer. The reactor performances under typical steam reforming and oxidative reforming modes are tested. Influences of reaction temperature, steam-to-carbon ratio and methane space velocity on reactor performance under steam reforming mode are experimentally investigated. Influences of oxygen-to-carbon ratio, steam-to-carbon ratio and methane space velocity on reactor performance under oxidative reforming mode are also studied. The reformer will be integrated with the other parts of the system to build a complete system.
引用
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页数:23
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