Article
Version 1
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Industrial Decarbonization through Blended Combustion of Natural Gas and Hydrogen
Version 1
: Received: 8 July 2024 / Approved: 9 July 2024 / Online: 9 July 2024 (07:00:15 CEST)
How to cite: Franco, A.; Rocca, M. Industrial Decarbonization through Blended Combustion of Natural Gas and Hydrogen. Preprints 2024, 2024070708. https://doi.org/10.20944/preprints202407.0708.v1 Franco, A.; Rocca, M. Industrial Decarbonization through Blended Combustion of Natural Gas and Hydrogen. Preprints 2024, 2024070708. https://doi.org/10.20944/preprints202407.0708.v1
Abstract
The transition to cleaner energy sources, particularly in hard-to-abate industrial sectors, often requires gradual integration of new technologies. Hydrogen, crucial for decarbonization, is explored as a fuel in blended combustions. Blending or replacing fuels impacts combustion stability and heat transfer rates due to differing densities. An extensive literature review examines blended combustion, focusing on hydrogen-methane mixtures. While industrial burners claim to accommodate up to 20% hydrogen, theoretical support is lacking. A novel thermodynamic analysis methodology is introduced, evaluating methane-hydrogen combustion using the Wobbe index. Findings highlight practical limitations beyond 25% hydrogen volume, necessitating a shift to "totally hydrogen" combustion. Blended combustion can be proposed as a medium-term strategy, acknowledging hydrogen's limited penetration. Higher percentages require burner and infrastructure redesign.
Keywords
Blended combustion; Hydrogen-methane mixture; Industrial burners; Thermodynamic analysis; Decarbonization
Subject
Engineering, Energy and Fuel Technology
Copyright: This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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