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Hydrogen production from methanol partial oxidation over Pt/Al2O3 catalyst with low Pt content

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  • Chen, Wei-Hsin
  • Shen, Chun-Ting
  • Lin, Bo-Jhih
  • Liu, Shih-Chun

Abstract

(POM) Partial oxidation of methanol over a Pt/Al2O3 catalyst with low Pt content is studied where the influences of the (GHSV) gas hourly space velocity and oxygen-to-methanol molar ratio (O2/C) on the gas formation, reaction temperature, and methanol conversion are evaluated. POM operations under cold start and preheating are also examined. The results indicate that an increase in GHSV significantly lowers POM performance. Nevertheless, over 50% of methanol is consumed when the GHSV is as high as 20,000 h−1. The maximum H2 and CO concentrations are located at O2/C = 0.7, yielding the optimum O2/C ratio for POM. Compared to POM with cold start operation, preheating the catalyst bed at 150 °C obviously intensifies POM performance, and 100% of methanol conversion is achieved at O2/C ≥ 0.6. This reveals that the Pt/Al2O3 catalyst with low Pt content can be used to trigger POM for H2 production. The methanol reaction under the combination of the Pt/Al2O3 catalyst and a Cu/ZnO/Al2O3 catalyst for triggering POM followed by the methanol steam reforming is also investigated. The reaction temperature under the two-stage reaction is lower than that under POM alone, but the methanol conversion and H2 production in the former are improved. This improvement is especially pronounced at high GHSVs.

Suggested Citation

  • Chen, Wei-Hsin & Shen, Chun-Ting & Lin, Bo-Jhih & Liu, Shih-Chun, 2015. "Hydrogen production from methanol partial oxidation over Pt/Al2O3 catalyst with low Pt content," Energy, Elsevier, vol. 88(C), pages 399-407.
    • Handle: RePEc:eee:energy:v:88:y:2015:i:c:p:399-407
    DOI: 10.1016/j.energy.2015.05.055
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    References listed on IDEAS

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    1. Du, Shan-Wen & Chen, Wei-Hsin & Lucas, John A., 2010. "Pulverized coal burnout in blast furnace simulated by a drop tube furnace," Energy, Elsevier, vol. 35(2), pages 576-581.
    2. 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.
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    Cited by:

    1. Chen, Wei-Hsin & Guo, Yu-Zhi & Chen, Chih-Chun, 2018. "Methanol partial oxidation accompanied by heat recirculation in a Swiss-roll reactor," Applied Energy, Elsevier, vol. 232(C), pages 79-88.
    2. Chen, Wei-Hsin & Chen, Chia-Yang, 2020. "Water gas shift reaction for hydrogen production and carbon dioxide capture: A review," Applied Energy, Elsevier, vol. 258(C).
    3. Rosha, Pali & Mohapatra, Saroj Kumar & Mahla, Sunil Kumar & Dhir, Amit, 2019. "Hydrogen enrichment of biogas via dry and autothermal-dry reforming with pure nickel (Ni) nanoparticle," Energy, Elsevier, vol. 172(C), pages 733-739.
    4. Loghmani, Mohammad Hassan & Shojaei, Abdollah Fallah & Khakzad, Morteza, 2017. "Hydrogen generation as a clean energy through hydrolysis of sodium borohydride over Cu-Fe-B nano powders: Effect of polymers and surfactants," Energy, Elsevier, vol. 126(C), pages 830-840.
    5. Garcia, Gabriel & Arriola, Emmanuel & Chen, Wei-Hsin & De Luna, Mark Daniel, 2021. "A comprehensive review of hydrogen production from methanol thermochemical conversion for sustainability," Energy, Elsevier, vol. 217(C).
    6. Chen, Wei-Hsin & Chen, Kuan-Hsiang & Lin, Bo-Jhih & Guo, Yu-Zhi, 2020. "Catalyst combination strategy for hydrogen production from methanol partial oxidation," Energy, Elsevier, vol. 206(C).
    7. Chen, Wei-Hsin & Escalante, Jamin, 2020. "Influence of vacuum degree on hydrogen permeation through a Pd membrane in different H2/N2 gas mixtures," Renewable Energy, Elsevier, vol. 155(C), pages 1245-1263.
    8. Wang, Yuqing & Zeng, Hongyu & Shi, Yixiang & Cao, Tianyu & Cai, Ningsheng & Ye, Xiaofeng & Wang, Shaorong, 2016. "Power and heat co-generation by micro-tubular flame fuel cell on a porous media burner," Energy, Elsevier, vol. 109(C), pages 117-123.
    9. Chen, Wei-Hsin & Shen, Chun-Ting, 2016. "Partial oxidation of methanol over a Pt/Al2O3 catalyst enhanced by sprays," Energy, Elsevier, vol. 106(C), pages 1-12.
    10. Ewelina Pawelczyk & Natalia Łukasik & Izabela Wysocka & Andrzej Rogala & Jacek Gębicki, 2022. "Recent Progress on Hydrogen Storage and Production Using Chemical Hydrogen Carriers," Energies, MDPI, vol. 15(14), pages 1-34, July.

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