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Efficient Conversion of Ethanol to Hydrogen in a Hybrid Plasma-Catalytic Reactor

Author

Listed:
  • Bogdan Ulejczyk

    (Faculty of Chemistry, Warsaw University of Technology, Noakowskiego 3, 00-664 Warsaw, Poland)

  • Paweł Jóźwik

    (Faculty of Advanced Technologies and Chemistry, Military University of Technology, Gen. S. Kaliskiego 2, 00-908 Warsaw, Poland)

  • Łukasz Nogal

    (Faculty of Electrical Engineering, Warsaw University of Technology, Pl. Politechniki 1, 00-661 Warsaw, Poland)

  • Michał Młotek

    (Faculty of Chemistry, Warsaw University of Technology, Noakowskiego 3, 00-664 Warsaw, Poland)

  • Krzysztof Krawczyk

    (Faculty of Chemistry, Warsaw University of Technology, Noakowskiego 3, 00-664 Warsaw, Poland)

Abstract

The present work describes highly efficient hydrogen production from ethanol in a plasma-catalytic reactor depending on the discharge power and catalyst bed temperature. Hydrogen production increased as the power increased from 15 to 25 W. A further power increase to 35 W did not increase hydrogen production. The catalyst was already active at a temperature of 250 °C, and its activity increased with increasing temperature to 450 °C. The further temperature increase did not increase the activity of the cobalt catalyst. The most important advantage of using the catalyst was the increased ethanol conversion to CO 2 instead of CO production. As a result, the hydrogen yield was very high and reached 4.1 mol(H 2 )/mol(C 2 H 5 OH). This result was obtained with a stoichiometric molar ratio of water to ethanol of 3.

Suggested Citation

  • Bogdan Ulejczyk & Paweł Jóźwik & Łukasz Nogal & Michał Młotek & Krzysztof Krawczyk, 2022. "Efficient Conversion of Ethanol to Hydrogen in a Hybrid Plasma-Catalytic Reactor," Energies, MDPI, vol. 15(9), pages 1-11, April.
    • Handle: RePEc:gam:jeners:v:15:y:2022:i:9:p:3050-:d:798984
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    References listed on IDEAS

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    3. Bogdan Ulejczyk & Łukasz Nogal & Michał Młotek & Krzysztof Krawczyk, 2022. "Efficient Plasma Technology for the Production of Green Hydrogen from Ethanol and Water," Energies, MDPI, vol. 15(8), pages 1-14, April.
    4. Greluk, Magdalena & Rotko, Marek & Turczyniak-Surdacka, Sylwia, 2020. "Enhanced catalytic performance of La2O3 promoted Co/CeO2 and Ni/CeO2 catalysts for effective hydrogen production by ethanol steam reforming," Renewable Energy, Elsevier, vol. 155(C), pages 378-395.
    5. Giorgio La Civita & Francesco Orlandi & Valerio Mariani & Giulio Cazzoli & Emanuele Ghedini, 2021. "Numerical Characterization of Corona Spark Plugs and Its Effects on Radicals Production," Energies, MDPI, vol. 14(2), pages 1-22, January.
    6. Ulejczyk, Bogdan & Nogal, Łukasz & Młotek, Michał & Krawczyk, Krzysztof, 2019. "Hydrogen production from ethanol using dielectric barrier discharge," Energy, Elsevier, vol. 174(C), pages 261-268.
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    Cited by:

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    Keywords

    ethanol; hydrogen; reforming;
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