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Hydrogen-rich gas production from ethanol steam reforming over Ni/Ga/Mg/Zeolite Y catalysts at mild temperature

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  • Kwak, Byeong Sub
  • Lee, Jun Su
  • Lee, Jun Sung
  • Choi, Byung-Hyun
  • Ji, Mi Jung
  • Kang, Misook

Abstract

In order to reduce the coke formation over a conventional Ni/γ-Al2O4 catalyst and increase the activity at low temperature, we used the impregnation approach to synthesize MgO (30.0wt.%)/Zeolite Y catalysts loaded with bimetallic Ni(10.0wt.%)/Ga(10.0–30.0wt.%) and study the steam-reforming reactions of ethanol. The Ga-loaded catalyst impregnated between the Ni and Mg components exhibits significantly higher reforming reactivity compared to the conventional Ni/Mg/Zeolite Y catalyst. The main products from steam reforming over the Ni/Ga/Mg/Zeolite Y catalyst are only H2 and CH4 at above 550°C, and the catalytic performances differ according to the amount of Ga. The H2 production and ethanol conversion are maximized at 87% and 100%, respectively, over Ni(10)/Ga(30)/Mg(30)/Zeolite Y at 700°C for 1h at CH3CH2OH:H2O=1:3 and a gas hourly space velocity (GHSV) of 6740h−1, and the high performance is maintained for up to 59h.

Suggested Citation

  • Kwak, Byeong Sub & Lee, Jun Su & Lee, Jun Sung & Choi, Byung-Hyun & Ji, Mi Jung & Kang, Misook, 2011. "Hydrogen-rich gas production from ethanol steam reforming over Ni/Ga/Mg/Zeolite Y catalysts at mild temperature," Applied Energy, Elsevier, vol. 88(12), pages 4366-4375.
    • Handle: RePEc:eee:appene:v:88:y:2011:i:12:p:4366-4375
    DOI: 10.1016/j.apenergy.2011.05.017
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    Cited by:

    1. Saebea, Dang & Authayanun, Suthida & Patcharavorachot, Yaneeporn & Paengjuntuek, Woranee & Arpornwichanop, Amornchai, 2013. "Use of different renewable fuels in a steam reformer integrated into a solid oxide fuel cell: Theoretical analysis and performance comparison," Energy, Elsevier, vol. 51(C), pages 305-313.
    2. 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.
    3. 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.
    4. Esteban-Díez, G. & Gil, María V. & Pevida, C. & Chen, D. & Rubiera, F., 2016. "Effect of operating conditions on the sorption enhanced steam reforming of blends of acetic acid and acetone as bio-oil model compounds," Applied Energy, Elsevier, vol. 177(C), pages 579-590.
    5. Hwangbo, Soonho & Lee, In-Beum & Han, Jeehoon, 2017. "Mathematical model to optimize design of integrated utility supply network and future global hydrogen supply network under demand uncertainty," Applied Energy, Elsevier, vol. 195(C), pages 257-267.
    6. Taghvaei, Hamed & Shirazi, Meisam Mohamadzadeh & Hooshmand, Navid & Rahimpour, Mohammad Reza & Jahanmiri, Abdolhossien, 2012. "Experimental investigation of hydrogen production through heavy naphtha cracking in pulsed DBD reactor," Applied Energy, Elsevier, vol. 98(C), pages 3-10.
    7. Walluk, Mark R. & Lin, Jiefeng & Waller, Michael G. & Smith, Daniel F. & Trabold, Thomas A., 2014. "Diesel auto-thermal reforming for solid oxide fuel cell systems: Anode off-gas recycle simulation," Applied Energy, Elsevier, vol. 130(C), pages 94-102.
    8. Li, Xingxing & Zhu, Gangli & Qi, Suitao & Huang, Jun & Yang, Bolun, 2014. "Simultaneous production of hythane and carbon nanotubes via catalytic decomposition of methane with catalysts dispersed on porous supports," Applied Energy, Elsevier, vol. 130(C), pages 846-852.
    9. 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.
    10. Lee, Jun Sung & Han, Gi Bo & Kang, Misook, 2012. "Low temperature steam reforming of ethanol for carbon monoxide-free hydrogen production over mesoporous Sn-incorporated SBA-15 catalysts," Energy, Elsevier, vol. 44(1), pages 248-256.
    11. 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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