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Reaction Control Lab
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A lab that investigates high-temperature reactions with the aim of achieving low-carbon ironmaking.
AboutAbout the lab
Changing the future through ironmaking.
The Reaction Control Lab (Ohno Lab) studies, from an engineering standpoint, the manufacturing process of iron, a material widely used in modern society.
The lab investigates the high-temperature process of making iron from iron ore from the perspectives of reaction kinetics, transport phenomena, and energy control, aiming to clarify its fundamental mechanisms.
In recent years, the lab has also focused on low-carbon and decarbonized ironmaking processes, including hydrogen reduction, as well as on microwave-based feedstock modification and resource recycling technologies.
Through both experiments and analysis, the lab studies reduction reactions in blast furnace and DRI processes, softening and melting behavior, gas permeability, and slag–metal interfacial reactions.
Key terms
- Blast Furnace
- A large furnace at an ironworks that processes iron ore at high temperature to make iron
- Hydrogen Reduction
- A reaction that uses hydrogen, instead of coal-derived coke, to extract iron from the iron oxide in iron ore
- Microwave Heating
- A heating method in which an object absorbs microwaves and generates heat. Unlike transferring heat from the outside, it warms the object from the inside
ResearchResearch themes
The lab targets the high-temperature ironmaking process that produces iron from iron ore, aiming to clarify the fundamental mechanisms that govern the process. It studies reduction reactions, softening and melting, carburization, and slag–metal interfacial reactions from the perspectives of reaction kinetics, transport phenomena, and energy control, and also works on low-carbon and decarbonized ironmaking such as hydrogen reduction.
*Illustrative imageFeedstock Modification and Resource Recycling
The lab aims to stabilize smelting reactions and improve their efficiency by modifying the raw materials themselves, such as iron ore, carbonaceous materials, and by-products, before the reaction. It also uses new methods of supplying energy, such as microwave heating, and explores how to combine this with resource recycling.
*Illustrative imageHydrogen Reduction Processes
The lab investigates what happens when iron ore is reduced with hydrogen. It evaluates shape change, pulverization, clustering, and other behavior in terms of both reaction rate and the observed phenomena.
*Illustrative imageSoftening, Melting, and Gas Permeability in the Blast Furnace
The lab studies how materials behave inside the furnace. It examines softening, melting, and gas permeability, as well as the effects of charging design such as the use of HBI, as physical phenomena.
*Illustrative imageCarburization, Melting, and Refining
The lab studies how iron melts and how its composition is determined. Centered on carbon transport, slag formation, and reactions at interfaces, it covers the fundamentals of melting and refining.
MembersFaculty
The Reaction Control Lab consists of faculty members, academic researchers, master's and undergraduate students, and administrative assistants.As of 2025
- ProfessorKo-ichiro Ohno
- Assistant ProfessorTatsuya Kon
VoicesStudent voices
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Report an errorAbout the images
The top and research theme images are illustrative and were not taken at the lab. They are cropped from Wikimedia Commons images. Cropped CC BY-SA images are provided under the same CC BY-SA license as the original (version shown on each line).
- Top image: “Raceway in a blast furnace — Зона циркуляції” Blast furnace chip worker / CC BY-SA 3.0 (cropped)
- Feedstock Modification and Resource Recycling: “Sherman iron ore pellets” Black Tusk / Public domain (cropped)
- Hydrogen Reduction Processes: “Hot-briquetted iron Rusted” Borvan53 / CC BY-SA 3.0 (cropped)
- Softening, Melting, and Gas Permeability in the Blast Furnace: “Electric blast furnace Héroult cross-section” Gaston Floriday in La Science et la vie / Public domain (cropped)
- Carburization, Melting, and Refining: “Ladle of molten iron is poured into an open hearth furnace for conversion into steel, Allegheny Ludlum Steele Corp, Brackenridge, Pa Note the safety latch on the crane hook” Alfred T. Palmer / Public domain (cropped)
- Related lab (材料電気化学研究室
（中野 博昭） ): “Scrap metal recycling facility in Longview, Washington's industrial zone” Quintin Soloviev / CC BY 4.0 (cropped) - Related lab (融体物理化学研究室): “Molten Metal Pouring from a Ladle” Mnooralam11 / CC BY 4.0 (cropped)
- Related lab (結晶
塑性学研究室): “Inspekt desk 50kN IMGP8563” Smial / CC BY-SA 2.0 de (cropped) - Related lab (構造材料工学研究室): “Microstructure of a stainless steel A961” Djhé / CC BY 4.0 (cropped)
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