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Pilot scale demonstration of potential for decarbonisation of industrial heating processes using hydrogen cofiring

水素混焼による産業用加熱プロセスの脱炭素化可能性のパイロットスケール実証 (AI 翻訳)

Andrew D. Heeley, Karen N. N. Finney, János Szuhánszki, Abdulaziz Gheit, Jee Loong Hee, Mohamed Pourkashanian

Frontiers in Fuels📚 査読済 / ジャーナル2026-06-01#水素Origin: Global
DOI: 10.3389/ffuel.2026.1756561
原典: https://doi.org/10.3389/ffuel.2026.1756561

🤖 gxceed AI 要約

日本語

本論文は、工業炉における水素と天然ガスの混焼の可能性を評価するパイロットスケールの実証試験を報告する。主要な知見として、放射熱流束は炉温に依存し燃料組成に依存しないこと、燃焼室形状と固体表面からの放射が熱交換に重要であること、水素混焼が炉温や均一性に影響を与えないことを示した。CFDモデリングにより熱力学・流体特性を理解し、実験結果の信頼性を確認した。

English

This paper reports a pilot-scale demonstration evaluating hydrogen and natural gas co-firing in an industrial furnace. Key findings: radiant heat flux depends on furnace temperature, not fuel composition; chamber geometry and solid surface radiation dominate heat exchange; hydrogen co-firing does not affect furnace temperature or uniformity. CFD modeling confirms experimental outcomes. Hydrogen co-firing can decarbonize hard-to-abate industries while using existing assets.

Unofficial AI-generated summary based on the public title and abstract. Not an official translation.

📝 gxceed 編集解説 — Why this matters

日本のGX文脈において

日本の鉄鋼・化学などの基礎産業では、水素利用による脱炭素が注目されており、本実証結果は既存設備を活用した燃料転換の実現可能性を示す点で重要。特に、水素混焼による炉内温度や均一性への影響がないという知見は、日本企業のリスク認識低減に貢献する。

In the global GX context

This pilot-scale demonstration provides critical evidence for industrial decarbonization via hydrogen co-firing, showing minimal impact on furnace performance. Globally, it supports the feasibility of fuel switching in hard-to-abate sectors and aligns with ISSB/TCFD requirements for transition planning. The detailed heat transfer analysis helps de-risk investment in hydrogen-ready equipment.

👥 読者別の含意

🔬研究者:Provides experimental data and CFD validation for hydrogen co-firing in industrial furnaces, useful for future modeling and scale-up studies.

🏢実務担当者:Demonstrates that co-firing up to 100% hydrogen can be achieved without altering furnace temperature or uniformity, supporting investment in hydrogen-ready burners.

🏛政策担当者:Highlights that hydrogen co-firing is technically viable for industrial heat decarbonization, informing policy support for hydrogen infrastructure and fuel switching incentives.

📄 Abstract（原文）

This paper aims to evaluate whether cofiring hydrogen and natural gas mixtures are suitable as industrial furnace fuels and to identify further characteristics that need more detailed understanding to enable successful implementation of fuel switching. The outcome of this research and further investigations will ensure that the full capability of fuel switching becomes available to energy-intensive process operators. Co-firing natural gas and hydrogen leading to dedicated hydrogen combustion are pathways to decarbonise industrial processes and can enable future hydrogen utilisation and interoperability with fossil fuels. The key observations from pilot-scale industrial furnace trials at the University of Sheffield Energy Innovation Centre included: (1) Radiant heat flux depended primarily upon furnace temperature with no relationship measured with varying fuel composition. (2) The chamber geometry, radiant heat flux from solid surfaces and control temperature achieved were more significant to the furnace heat exchange than the fuel mixture. (3) Firing with natural gas and hydrogen mixtures did not affect furnace temperature or uniformity beyond variations attributable to other process conditions. (4) Gas temperatures and species were distributed uniformly within the fully mixed atmosphere, which represented 2/3 of the chamber volume. (5) Gas temperature and species distributions were not affected by fuel composition, therefore measurements from the centre of the chamber were representative of the mean conditions in the fully mixed atmosphere. (6) CFD modelling of the gas and temperature distributions within the furnace enabled thermodynamic and fluid dynamic characteristics to be understood and afforded confidence in experimental and model outcomes. Co-firing hydrogen with natural gas and dedicated hydrogen firing as an interoperable fuel to substitute for natural gas could be a key means to decarbonise hard to abate foundation industries, whilst making continued use of existing capital assets. This investigation demonstrated that understanding hydrogen firing and co-firing will enable the mitigation of perceived risks arising from decarbonisation of energy-intensive industries with low and zero carbon fuels.

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