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Efficient Plasma Technology for the Production of Green Hydrogen from Ethanol and Water

Author

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  • Bogdan Ulejczyk

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

This study concerns the production of hydrogen from a mixture of ethanol and water. The process was conducted in plasma generated by a spark discharge. The substrates were introduced in the liquid phase into the reactor. The gaseous products formed in the spark reactor were hydrogen, carbon monoxide, carbon dioxide, methane, acetylene, and ethylene. Coke was also produced. The energy efficiency of hydrogen production was 27 mol(H 2 )/kWh, and it was 36% of the theoretical energy efficiency. The high value of the energy efficiency of hydrogen production was obtained with relatively high ethanol conversion (63%). In the spark discharge, it was possible to conduct the process under conditions in which the ethanol conversion reached 95%. However, this entailed higher energy consumption and reduced the energy efficiency of hydrogen production to 8.8 mol(H 2 )/kWh. Hydrogen production increased with increasing discharge power and feed stream. However, the hydrogen concentration was very high under all tested conditions and ranged from 57.5 to 61.5%. This means that the spark reactor is a device that can feed fuel cells, the power load of which can fluctuate.

Suggested Citation

  • 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.
    • Handle: RePEc:gam:jeners:v:15:y:2022:i:8:p:2777-:d:790671
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    References listed on IDEAS

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    1. Ekaterina Matus & Olga Sukhova & Ilyas Ismagilov & Mikhail Kerzhentsev & Olga Stonkus & Zinfer Ismagilov, 2021. "Hydrogen Production through Autothermal Reforming of Ethanol: Enhancement of Ni Catalyst Performance via Promotion," Energies, MDPI, vol. 14(16), pages 1-16, August.
    2. Vincenzo Palma & Concetta Ruocco & Eugenio Meloni & Antonio Ricca, 2017. "Influence of Catalytic Formulation and Operative Conditions on Coke Deposition over CeO 2 -SiO 2 Based Catalysts for Ethanol Reforming," Energies, MDPI, vol. 10(7), pages 1-13, July.
    3. Lifita N. Tande & Erik Resendiz-Mora & Valerie Dupont, 2021. "Bioh 2 , Heat and Power from Palm Empty Fruit Bunch via Pyrolysis-Autothermal Reforming: Plant Simulation, Experiments, and CO 2 Mitigation," Energies, MDPI, vol. 14(16), pages 1-25, August.
    4. Xin, Yanbin & Sun, Bing & Zhu, Xiaomei & Yan, Zhiyu & Zhao, Xiaotong & Sun, Xiaohang, 2017. "Hydrogen production from ethanol decomposition by pulsed discharge with needle-net configurations," Applied Energy, Elsevier, vol. 206(C), pages 126-133.
    5. 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.
    6. Kierzkowska-Pawlak, Hanna & Tyczkowski, Jacek & Jarota, Arkadiusz & Abramczyk, Halina, 2019. "Hydrogen production in liquid water by femtosecond laser-induced plasma," Applied Energy, Elsevier, vol. 247(C), pages 24-31.
    7. Ha Jin Kim & Young Nam Chun, 2020. "Conversion of Biogas to Renewable Energy by Microwave Reforming," Energies, MDPI, vol. 13(16), pages 1-11, August.
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    Cited by:

    1. 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.
    2. Mustafa Jaradat & Omar Alsotary & Adel Juaidi & Aiman Albatayneh & Asem Alzoubi & Shiva Gorjian, 2022. "Potential of Producing Green Hydrogen in Jordan," Energies, MDPI, vol. 15(23), pages 1-21, November.

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    Keywords

    reforming; plasma; discharge;
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