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Micro Process Control Lab
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A reaction engineering lab that uses heat and catalysts to convert coal and biomass into gas and chemical feedstocks.
AboutAbout the lab
Chemically converting solid carbon resources with heat
The Micro Process Control Lab (Hayashi Lab) studies the chemical conversion of solid carbon resources such as coal and biomass by heat.
The lab works on developing gasification reactors, producing useful compounds from biomass, and producing coke from low-rank coal as a raw material.
The lab belongs to the Institute for Materials Chemistry and Engineering, and also serves as a cooperating research group of the Department of Interdisciplinary Engineering Sciences in the Interdisciplinary Graduate School of Engineering Sciences.
On the lab's website, it is introduced under the name "Hayashi Lab", and it accepts lab visits and meetings for prospective students at any time.
Key terms
- Gasification
- A technology that combines the energy of carbon resources and heat into the chemical energy of syngas
- Syngas
- A gas with chemical energy, produced by the gasification of carbon resources
- Coke
- A material essential for ironmaking. It is made from coking coal, a high-grade coal
NewsLab news
A student received the Major Award
A student received a presentation award at the Student Presentation Meeting of the Western Branch of the Japan Institute of Energy
A student received a 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
ResearchResearch themes
The lab develops reaction systems that use thermochemical reactions and catalysts to convert carbon resources such as biomass and coal. From the standpoint of reaction engineering and chemical engineering, it studies methods for producing gas, chemicals, and coke for ironmaking.
*Illustrative imageLow-temperature, rapid gasification reactors
Gasification combines the energy of carbon resources and heat into the chemical energy of syngas. To reduce energy loss, the lab aims to lower the gasification temperature as far as possible. It is developing new reaction systems based on ideas such as separating pyrolysis from reforming and gasification.
*Illustrative imageKinetic analysis of char gasification
Gasification of char from biomass and lignite is governed by catalysis by metals in the ash. Because this is difficult to describe with conventional models, the lab has proposed a new model in which non-catalytic and catalytic gasification proceed in parallel, aiming to predict reaction rates.
*Illustrative imageUseful compounds from biomass
Looking ahead to a future without fossil resources, this research produces chemicals from biomass while using as little organic solvent as possible. The lab obtains levoglucosenone in high yield from the pyrolysis of cellulose, and decomposes lignin to recover monomers.
*Illustrative imageHigh-strength coke from low-rank coal
This research aims to make coke, which is essential for ironmaking, from low-rank coal such as lignite that has not been used until now. The lab has shown that a method combining hot pressing and carbonization can produce coke with higher strength than conventional coke.
MembersFaculty
Members of the Hayashi Lab consist of faculty, technical staff, administrative assistants, doctoral, master's, and undergraduate students, and research students.As of 2026
- ProfessorJun-ichiro Hayashi
- Associate ProfessorShinji Kudo
- Assistant ProfessorUlanpuree 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: “Fluidized bed biomass gasification plant - Front wiew” Carvarsa / CC BY-SA 4.0 (cropped)
- Low-temperature, rapid gasification reactors: “REAP-Doug Jernigan Farms-first Methane Reactor with Endothermic Gasifier in the Nation (20151110-RD-LSC-0412)” USDAgov / Public domain (cropped)
- Kinetic analysis of char gasification: “Large bonfire” Fir0002 / CC BY-SA 3.0 (cropped)
- Useful compounds from biomass: “Heaps of chipped woody biomass in Namibia” GIZ Bush Control and Biomass Utilisation Project / CC BY-SA 4.0 (cropped)
- High-strength coke from low-rank coal: “Coke Ovens 5648” Chris Light / CC BY-SA 4.0 (cropped)
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