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Low temperature steam reforming of methane over Ni–Ce(1−x)Zr(x)O2 catalysts under severe conditions

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  • Roh, Hyun-Seog
  • Eum, Ic-Hwan
  • Jeong, Dae-Woon

Abstract

Steam reforming of methane (SRM) is the primary method to produce hydrogen. Commercial Ni-based catalysts have been optimized for SRM with excess steam (H2O/CH4 > 2.5) at high temperatures (>700 °C). However, commercial catalysts are not suitable under severe reaction conditions such as stoichiometric steam over methane ratio (H2O/CH4 = 1.0) and low temperature (600 °C). In this study, SRM has been carried out at a gas hourly space velocity (GHSV) of 155426 h−1 over Ni–Ce(1−x)Zr(x)O2 catalysts prepared by a co-precipitation method. The CeO2/ZrO2 ratio was systematically varied to optimize Ni–Ce(1−x)Zr(x)O2 catalysts at a H2O/CH4 ratio of 1.0 and at 600 °C. 15 wt.% Ni–Ce0.8Zr0.2O2 exhibited the highest CH4 conversion as well as stability with time on stream due to high oxygen storage capacity.

Suggested Citation

  • Roh, Hyun-Seog & Eum, Ic-Hwan & Jeong, Dae-Woon, 2012. "Low temperature steam reforming of methane over Ni–Ce(1−x)Zr(x)O2 catalysts under severe conditions," Renewable Energy, Elsevier, vol. 42(C), pages 212-216.
    • Handle: RePEc:eee:renene:v:42:y:2012:i:c:p:212-216
    DOI: 10.1016/j.renene.2011.08.013
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    1. Jeong, Dae-Woon & Jang, Won-Jun & Shim, Jae-Oh & Han, Won-Bi & Kim, Hak-Min & Lee, Yeol-Lim & Bae, Jong Wook & Roh, Hyun-Seog, 2015. "Optimization of a highly active nano-sized Pt/CeO2 catalyst via Ce(OH)CO3 for the water-gas shift reaction," Renewable Energy, Elsevier, vol. 79(C), pages 78-84.
    2. Jeong, Dae-Woon & Jang, Won-Jun & Shim, Jae-Oh & Han, Won-Bi & Roh, Hyun-Seog & Jung, Un Ho & Yoon, Wang Lai, 2014. "Low-temperature water–gas shift reaction over supported Cu catalysts," Renewable Energy, Elsevier, vol. 65(C), pages 102-107.
    3. Jang, Won-Jun & Jeong, Dae-Woon & Shim, Jae-Oh & Kim, Hak-Min & Han, Won-Bi & Bae, Jong Wook & Roh, Hyun-Seog, 2015. "Metal oxide (MgO, CaO, and La2O3) promoted Ni-Ce0.8Zr0.2O2 catalysts for H2 and CO production from two major greenhouse gases," Renewable Energy, Elsevier, vol. 79(C), pages 91-95.
    4. Shim, Jae-Oh & Jeong, Dae-Woon & Jang, Won-Jun & Jeon, Kyung-Won & Jeon, Byong-Hun & Cho, Seung Yeon & Roh, Hyun-Seog & Na, Jeong-Geol & Ko, Chang Hyun & Oh, You-Kwan & Han, Sang Sub, 2014. "Deoxygenation of oleic acid over Ce(1–x)Zr(x)O2 catalysts in hydrogen environment," Renewable Energy, Elsevier, vol. 65(C), pages 36-40.
    5. Bian, Zhoufeng & Deng, Shaobi & Sun, Zhenkun & Ge, Tianshu & Jiang, Bo & Zhong, Wenqi, 2022. "Multi-core@Shell catalyst derived from LDH@SiO2 for low- temperature dry reforming of methane," Renewable Energy, Elsevier, vol. 200(C), pages 1362-1370.
    6. LeValley, Trevor L. & Richard, Anthony R. & Fan, Maohong, 2015. "Development of catalysts for hydrogen production through the integration of steam reforming of methane and high temperature water gas shift," Energy, Elsevier, vol. 90(P1), pages 748-758.
    7. Nahar, Gaurav & Dupont, Valerie, 2014. "Hydrogen production from simple alkanes and oxygenated hydrocarbons over ceria–zirconia supported catalysts: Review," Renewable and Sustainable Energy Reviews, Elsevier, vol. 32(C), pages 777-796.
    8. Zhang, Haotian & Sun, Zhuxing & Hu, Yun Hang, 2021. "Steam reforming of methane: Current states of catalyst design and process upgrading," Renewable and Sustainable Energy Reviews, Elsevier, vol. 149(C).
    9. Jalali, Ramin & Rezaei, Mehran & Nematollahi, Behzad & Baghalha, Morteza, 2020. "Preparation of Ni/MeAl2O4-MgAl2O4 (Me=Fe, Co, Ni, Cu, Zn, Mg) nanocatalysts for the syngas production via combined dry reforming and partial oxidation of methane," Renewable Energy, Elsevier, vol. 149(C), pages 1053-1067.

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