Structural design of self-thermal methanol steam reforming microreactor with porous combustion reaction support for hydrogen production |
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| Affiliation: | 1. Department of Mechanical & Electrical Engineering, Xiamen University, Xiamen, 361005, China;2. School of Mathematics, University of East Anglia, Norwich, NR4 7TJ, United Kingdom;3. Rison Hi-tech Materials Company Limited, Yiwu, 322000, China;4. Shenzhen Research Institute of Xiamen University, Shenzhen, 518000, China;1. Department of Mechanical Engineering, Kun Shan University, No.195, Kunda Rd., Yongkang Dist., Tainan City 710, Taiwan, ROC;2. Department of Systems and Naval Mechatronic Engineering, National Cheng Kung University, Tainan City 710, Taiwan, ROC;1. Department of Mechanical & Electrical Engineering, Xiamen University, Xiamen 361005, China;2. State Key Laboratory of Automotive Safety and Energy, Tsinghua University, Beijing 10084, China;3. School of Mechanical and Automotive Engineering, South China University of Technology, Guangzhou 510640, China;4. College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, China;5. School of Mathematics, Faculty of Science, University of East Anglia, Norwich NR4 7TJ, United Kingdom;1. The State Key Lab of Fluid Power and Mechatronic Systems, College of Mechanical Engineering, Zhejiang University, Hangzhou, Zhejiang 310027, PR China;2. Key Laboratory of Advanced Manufacturing Technology of Zhejiang Province, College of Mechanical Engineering, Zhejiang University, Hangzhou 310027, PR China;1. School of Mechanical and Automotive Engineering, Youngsan University, Yangsan-si, Kyungsangnam-do, Republic of Korea;2. Graduate School, Chungnam National University, Daejeon, Republic of Korea;3. Department of Mechanical Engineering, Chungnam National University, Daejeon, Republic of Korea;1. School of Mechanical Engineering and Automation, Harbin Institute of Technology, Shenzhen 518055, China;2. School of Science, Harbin Institute of Technology, Shenzhen 518055, China;1. State Key Lab of Fluid Power and Mechatronic Systems, School of Mechanical Engineering, Zhejiang University, Hangzhou, 310027, China;2. Key Laboratory of Advanced Manufacturing Technology of Zhejiang Province, School of Mechanical Engineering, Zhejiang University, Hangzhou, 310027, China |
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| Abstract: | To replace the traditional electric heating mode and increase methanol steam reforming reaction performance in hydrogen production, methanol catalytic combustion was proposed as heat-supply mode for methanol steam reforming microreactor. In this study, the methanol catalytic combustion microreactor and self-thermal methanol steam reforming microreactor for hydrogen production were developed. Furthermore, the catalytic combustion reaction supports with different structures were designed. It was found that the developed self-thermal methanol steam reforming microreactor had better reaction performance. Compared with A-type, the △Tmax of C-type porous reaction support was decreased by 24.4 °C under 1.3 mL/min methanol injection rate. Moreover, methanol conversion and H2 flow rate of the self-thermal methanol steam reforming microreactor with C-type porous reaction support were increased by 15.2% under 10 mL/h methanol-water mixture injection rate and 340 °C self-thermal temperature. Meanwhile, the CO selectivity was decreased by 4.1%. This work provides a new structural design of the self-thermal methanol steam reforming microreactor for hydrogen production for the fuel cell. |
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| Keywords: | Microreactor for hydrogen production Self-thermal reaction Porous reaction support Thermal distribution |
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