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Fabrication and characteristics of cube-post microreactors for methanol steam reforming

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  • Zeng, Dehuai
  • Pan, Minqiang
  • Wang, Liming
  • Tang, Yong

Abstract

The lamination-plate structure patterned with microchannels and triangle manifolds regarded as one of the preferred constructions for micro fuel reformers. Learned from the microchannel plate structure, a similar plate structure with cube-post array and triangle manifolds is proposed in this work. A micro-milling process is applied to fabricate the cube posts on the plate surface, and the influences of cutting parameters on the burr formation are analyzed. Experimental results indicate that larger cutting speed, smaller feed rate and cutting depth are in favor of obtaining relatively small burrs. Two plates with different cube-post dimensions and manifold structures are experimentally investigated the performances of methanol steam reforming over the Cu/Zn/Al/Zr catalyst. It indicates that the reactor with small-scale cube posts and acute triangle manifold presents better reforming performances at 260°C than that of the one with large-scale cube posts and right triangle manifolds. However, their performances are closed to each other at relatively high reaction temperature since the catalyst activity is situated in dominated position at the time.

Suggested Citation

  • Zeng, Dehuai & Pan, Minqiang & Wang, Liming & Tang, Yong, 2012. "Fabrication and characteristics of cube-post microreactors for methanol steam reforming," Applied Energy, Elsevier, vol. 91(1), pages 208-213.
  • Handle: RePEc:eee:appene:v:91:y:2012:i:1:p:208-213
    DOI: 10.1016/j.apenergy.2011.08.024
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    Citations

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    Cited by:

    1. Lo, An-Ya & Hung, Chin-Te & Yu, Ningya & Kuo, Cheng-Tzu & Liu, Shang-Bin, 2012. "Syntheses of carbon porous materials with varied pore sizes and their performances as catalyst supports during methanol oxidation reaction," Applied Energy, Elsevier, vol. 100(C), pages 66-74.
    2. Liu, Yangxu & Zhou, Wei & Lin, Yu & Chen, Lu & Chu, Xuyang & Zheng, Tianqing & Wan, Shaolong & Lin, Jingdong, 2019. "Novel copper foam with ordered hole arrays as catalyst support for methanol steam reforming microreactor," Applied Energy, Elsevier, vol. 246(C), pages 24-37.
    3. Perng, Shiang-Wuu & Wu, Horng-Wen, 2022. "Influence of inlet-nozzle and outlet-diffuser mounted in the plate-shape reactor on PEMFC net power output and methanol steam reforming performance," Applied Energy, Elsevier, vol. 323(C).
    4. Shu, Jun & Fu, Jianqin & Ren, Chengqin & Liu, Jingping & Wang, Shuqian & Feng, Sha, 2020. "Numerical investigation on flow and heat transfer processes of novel methanol cracking device for internal combustion engine exhaust heat recovery," Energy, Elsevier, vol. 195(C).
    5. Wang, Qing-Hui & Yang, Song & Zhou, Wei & Li, Jing-Rong & Xu, Zhi-Jia & Ke, Yu-Zhi & Yu, Wei & Hu, Guang-Hua, 2018. "Optimizing the porosity configuration of porous copper fiber sintered felt for methanol steam reforming micro-reactor based on flow distribution," Applied Energy, Elsevier, vol. 216(C), pages 243-261.
    6. Wang, Yancheng & Liu, Haiyu & Mei, Deqing & Yu, Shizheng, 2022. "Direct ink writing of 3D SiC scaffold as catalyst support for thermally autonomous methanol steam reforming microreactor," Renewable Energy, Elsevier, vol. 187(C), pages 923-932.
    7. Wijaya, Willy Yanto & Kawasaki, Shunsuke & Watanabe, Hirotatsu & Okazaki, Ken, 2012. "Damköhler number as a descriptive parameter in methanol steam reforming and its integration with absorption heat pump system," Applied Energy, Elsevier, vol. 94(C), pages 141-147.
    8. Cheng, Chin-Hsiang & Huang, Yu-Xian & King, Shun-Chih & Lee, Chun-I & Leu, Chih-Hsing, 2014. "CFD (computational fluid dynamics)-based optimal design of a micro-reformer by integrating computational a fluid dynamics code using a simplified conjugate-gradient method," Energy, Elsevier, vol. 70(C), pages 355-365.
    9. Pan, Minqiang & Wu, Qiuyu & Jiang, Lianbo & Zeng, Dehuai, 2015. "Effect of microchannel structure on the reaction performance of methanol steam reforming," Applied Energy, Elsevier, vol. 154(C), pages 416-427.
    10. Kim, Sung Han & Miesse, Craig M. & Lee, Hee Bum & Chang, Ik Whang & Hwang, Yong Sheen & Jang, Jae Hyuk & Cha, Suk Won, 2014. "Ultra compact direct hydrogen fuel cell prototype using a metal hydride hydrogen storage tank for a mobile phone," Applied Energy, Elsevier, vol. 134(C), pages 382-391.
    11. Li, Chunlin & Xu, Hengyong & Hou, Shoufu & Sun, Jian & Meng, Fanqiong & Ma, Junguo & Tsubaki, Noritatsu, 2013. "SiC foam monolith catalyst for pressurized adiabatic methane reforming," Applied Energy, Elsevier, vol. 107(C), pages 297-303.
    12. Kim, Taegyu & Jo, Sungkwon & Song, Young-Hoon & Lee, Dae Hoon, 2014. "Synergetic mechanism of methanol–steam reforming reaction in a catalytic reactor with electric discharges," Applied Energy, Elsevier, vol. 113(C), pages 1692-1699.

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