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Carbon Deposition Characteristics in Thermal Conversion of Methane for Sustainable Fuel

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  • Xiaorong Zhang

    (National Engineering Laboratory for Reducing Emissions from Coal Combustion, Engineering Research Center of Environmental Thermal Technology of Ministry of Education, Shandong Key Laboratory of Energy Carbon Reduction and Resource Utilization, School of Energy and Power Engineering, Shandong University, Jinan 250061, China)

  • Jie Wang

    (College of Chemical Engineering, Shanxi Institute of Science and Technology, Jincheng 048000, China)

  • Zhanlong Song

    (National Engineering Laboratory for Reducing Emissions from Coal Combustion, Engineering Research Center of Environmental Thermal Technology of Ministry of Education, Shandong Key Laboratory of Energy Carbon Reduction and Resource Utilization, School of Energy and Power Engineering, Shandong University, Jinan 250061, China)

  • Yingping Pang

    (National Engineering Laboratory for Reducing Emissions from Coal Combustion, Engineering Research Center of Environmental Thermal Technology of Ministry of Education, Shandong Key Laboratory of Energy Carbon Reduction and Resource Utilization, School of Energy and Power Engineering, Shandong University, Jinan 250061, China)

Abstract

Low-carbon powertrains and sustainable fuels are closely linked as they both aim to reduce carbon emissions and transition away from reliance on fossil fuels. The methane from biogas, biomass, and organic waste can serve as an alternative energy source to traditional fossil fuels. The process of obtaining sustainable fuel (e.g., hydrogen and syngas) from methane is commonly confronted with the problems of carbon deposition on metal oxide. The study of carbon deposition characteristics during methane thermal conversion processes is particularly crucial for low-carbon powertrains. Herein, the carbon deposition on CoAl 2 O 4 and strongly alkali-etched CoAl 2 O 4 (CoAl v O 4 ) spinel oxides from the CH 4 stage was investigated. We demonstrate that reaction time, calcination temperature, and reaction temperature have no effect on the compositions of carbon deposition, and the material itself plays a crucial role in carbon deposition. The graphitization degree for CoAl v O 4 is lower than that for CoAl 2 O 4 . The strong alkali etching in CoAl 2 O 4 only affects contents in different composition carbon deposition. This is mainly attributed to the introduction of Al 3+ vacancies by alkali etching, which efficiently tunes the surface electronic structure in CoAl 2 O 4 . These findings guide designing efficient and clean low-carbon powertrains, especially in the development of removal carbon deposition technologies and catalysts.

Suggested Citation

  • Xiaorong Zhang & Jie Wang & Zhanlong Song & Yingping Pang, 2024. "Carbon Deposition Characteristics in Thermal Conversion of Methane for Sustainable Fuel," Sustainability, MDPI, vol. 16(12), pages 1-13, June.
    • Handle: RePEc:gam:jsusta:v:16:y:2024:i:12:p:5035-:d:1413992
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    References listed on IDEAS

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    1. Serhiy Serbin & Mykola Radchenko & Anatoliy Pavlenko & Kateryna Burunsuz & Andrii Radchenko & Daifen Chen, 2023. "Improving Ecological Efficiency of Gas Turbine Power System by Combusting Hydrogen and Hydrogen-Natural Gas Mixtures," Energies, MDPI, vol. 16(9), pages 1-23, April.
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