A reforming system for co-generation of hydrogen and mechanical work from methanol |
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| Affiliation: | 1. Anadolu University, Aircraft Airframe and Powerplant Dept., Eskisehir, Turkey;2. Anadolu University, Dept. of Flight Training, Eskisehir, Turkey;3. Anadolu University, Dept. of Environmental Engineering, Eskisehir, Turkey;4. Turkish Technic, Inc., Istanbul, Turkey;5. Anadolu University, Dept. of Air Traffic Control, Eskisehir, Turkey;6. Anadolu University, Aircraft Maintenance Center, Eskisehir, Turkey;1. Key Laboratory of Low-grade Energy Utilization Technologies and Systems, Chongqing University, Ministry of Education, Chongqing 400044, PR China;2. College of Power Engineering, Chongqing University, Chongqing 400030, PR China;1. Laboratory of Advanced Energy Systems, CAS Key Laboratory of Renewable Energy, Guangzhou Institute of Energy Conversion, Chinese Academy of Sciences (CAS), Guangzhou, 510640, China;2. Department of Chemical Engineering, Shanghai Jiao Tong University, Shanghai, 200240, China |
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| Abstract: | The paper describes a reforming system for converting methanol into pure hydrogen. The system is based on an autothermal reforming reactor operating at elevated pressures followed by membrane-based hydrogen separation. The high-pressure membrane retentate stream is combusted and expanded through a turbine generating additional power. Process simulation illustrates the effects of the system operating parameters on performance and demonstrates system reforming efficiency up to ∼90%. When coupled with a PEM fuel cell and an electrical generator, overall fuel to electricity efficiency can be >48% depending upon the efficiency of a PEM fuel cell stack. |
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