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Chemical Reaction Engineering Lab
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A reaction engineering lab that converts coal and biomass through thermochemical reactions.
AboutAbout the lab
Converting carbon resources with heat and catalysts.
The lab does research in reaction engineering and chemical engineering, converting solid carbon resources such as coal and biomass through thermal and catalytic reactions.
It develops reaction systems for gasification, chemical production from biomass, and coke production from low-rank coal.
On the lab's website, it is introduced under the name "Hayashi Lab."
The lab belongs to the Institute for Materials Chemistry and Engineering, and also participates as a cooperating laboratory of the Department of Interdisciplinary Engineering Sciences in the Interdisciplinary Graduate School of Engineering Sciences, taking charge of educating master's and doctoral students.
Key terms
- Gasification
- A technology that combines the energy of carbon resources and heat into the chemical energy of syngas, a gas.
- Char
- The solid that remains after coal or biomass is decomposed by heat.
- Levoglucosenone
- A compound obtained from the pyrolysis of cellulose. It can be converted into various chemicals.
- Coke
- A material made from coking coal, a high-grade coal, and essential for ironmaking.
NewsLab news
A student won a Presentation Award at the Student Presentation Meeting of the Western Branch of the Japan Institute of Energy
A student won the Poster Presentation Award at the Annual Meeting of the Iron and Steel Institute of Japan
Research results were featured on the inside back cover of RSC Sustainability
Research results on gasification were published in Energy & Fuels
A master's student won the Outstanding Student Award at the Annual Meeting of the Society of Chemical Engineers, Japan
ResearchResearch themes
The lab develops reaction systems that convert carbon resources, including biomass and coal, into gases and chemicals through thermochemical and catalytic reactions. Its work includes gasification, chemical production from biomass, and coke production.
*Illustrative imageLow-Temperature, Rapid Gasification Systems
To reduce the chemical energy lost in gasification, the lab develops reaction systems that lower the gasification temperature as far as possible. It has demonstrated complete reforming and gasification of biomass at 700 °C, and has achieved similar results with lignite.
*Illustrative imageKinetic Models for Char Gasification
Gasification of char from biomass and lignite depends on the catalytic action of metals contained in the ash and is hard to describe with conventional models, so the lab aims to develop a new kinetic model. The mechanism by which the catalytic metals work will also be clarified.
*Illustrative imageChemicals from Biomass
In preparation for a time when fossil resources run out, the lab studies how to produce chemicals from biomass while avoiding organic solvents as far as possible. It has obtained levoglucosenone in high yield from the pyrolysis of cellulose, and has also developed a method to decompose lignin.
*Illustrative imageHigh-Strength Coke from Low-Rank Coal
As reserves of coking coal keep declining, the lab has developed hot-press forming and carbonization technology to make coke from low-rank coal such as lignite. It has shown that this technology can produce coke with far higher strength than conventional products.
MembersFaculty
The lab's members consist of faculty, doctoral, master's, and undergraduate students, research students, technical staff, and administrative assistants.As of 2026
- ProfessorJun-ichiro Hayashi
- Associate ProfessorShinji Kudo
- Assistant ProfessorUlanpree Muhammed Ashik
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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: “Koks Brennstoff” Stahlkocher / CC BY-SA 3.0 (cropped)
- Low-Temperature, Rapid Gasification Systems: “Nuclear reactor at TINT” Azitc / CC BY-SA 4.0 (cropped)
- Kinetic Models for Char Gasification: “Wood charcoal” SarKaLay စာကလေး / CC BY-SA 4.0 (cropped)
- Chemicals from Biomass: “Pueblo Chemical Agent-Destruction Pilot Plant Biomass ( )” PEO ACWA / CC BY 2.0 (cropped)
- High-Strength Coke from Low-Rank Coal: “Coke Ovens 5648” Chris Light / CC BY-SA 4.0 (cropped)
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