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Environmental and Energy Engineering Lab
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A combustion and gasification lab that converts biomass and waste into environmentally friendly energy.
AboutAbout the lab
Creating a sustainable, material-cycling society
The Naruse Lab studies technologies that convert biomass, waste, and similar materials into energy efficiently and with a low environmental burden.
Using high-temperature reactions such as combustion and gasification, the lab clarifies the underlying mechanisms through experiments and calculation.
It tackles problems faced by real facilities, such as ash deposition on boilers, nitrogen oxides and fine particles produced by combustion, and CO2 reduction in ironmaking.
Key terms
- Biomass
- Resources derived from living organisms, such as wood waste, grass, and sewage sludge. They can be used as fuel
- Gasification
- Technology that reacts solid fuel at high temperature with a small amount of air or steam to convert it into combustible gas
- Coke
- A fuel made by heating coal in the absence of air. It is used to extract iron from iron ore in a blast furnace
NewsLab news
A student received the Best Presentation Award at the Graduation Research Presentation Conference for Student Members of the JSME Tokai Student Chapter
Research results by a doctoral student accepted for publication in ISIJ International
ResearchResearch themes
Toward the sustainability of the planet and a society where materials circulate locally, the lab works on building systems that use biomass, waste, and fossil resources efficiently with a small environmental burden. Its research is organized around five issues: ash deposition, combustion behavior, gasification behavior, ironmaking processes, and fluidized beds.
*Illustrative imageSuppressing ash deposition on boilers
In boilers that burn waste or biomass, fuel ash sticks to heat transfer tubes and lowers thermal efficiency. The lab reproduces ash deposition in an electric furnace that simulates actual equipment to clarify the mechanism, and proposes technology that modifies tube surfaces to suppress deposition.
*Illustrative imageHow various fuels burn
From experiments burning a variety of woody biomass, the lab builds combustion models, aiming to predict and control combustion in actual furnaces. It also studies how nitrogen oxides, fine particles, and similar pollutants form, and how to suppress them.
*Illustrative imageGasification of biomass
This research partially burns biomass with limited air to convert it into combustible gases such as carbon monoxide and hydrogen. The lab works on reducing tar, a problem in gasification, by adding steam, and on producing hydrogen from char.
*Illustrative imageReducing CO2 in ironmaking
This research replaces part of the raw material of the coke used in ironmaking with biomass char to make carbon-neutral coke. The lab also focuses on developing equipment to reduce nitrogen oxides emitted from the sintering process at steelworks.
MembersFaculty
The Naruse Lab's members consist of faculty, researchers, technical staff, secretaries, and doctoral, master's, and undergraduate students.As of 2026
- ProfessorIchiro Naruse
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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: “Siauliu termofikacine elektrine nakti IMG 20141203” Mindaugas Macaitis / CC BY-SA 4.0 (cropped)
- Suppressing ash deposition on boilers: “Waste incineration plant Bratislava” Rios / CC BY-SA 4.0 (cropped)
- How various fuels burn: “Wood-pellet heater” H. Raab (User:Vesta) / CC BY-SA 3.0 (cropped)
- Gasification of biomass: “Fluidized bed biomass gasification plant - Front wiew” Carvarsa / CC BY-SA 4.0 (cropped)
- Reducing CO2 in ironmaking: “Blast furnaces at Scunthorpe Steelworks - geograph.org.uk - 5844975” Gareth James / CC BY-SA 2.0 (cropped)
- Related lab (Thermal Control Engineering Lab (1)): “NASA’s Pandora Mission Closer To Probing Alien Atmospheres (SVS14754)” NASA/Weston Maughan, BCT / Public domain (cropped)
- Related lab (Thermal Control Engineering Lab (2)): “Iss071e582160 (Sept. 3, 2024) --- NASA astronaut and Expedition 71 Flight Engineer Jeanette Epps replaces and cleans research components inside the Destiny laboratory module's Combustion Integrated Rack” NASA Johnson Space Center / Public domain (cropped)
- Related lab (Okuma Machine Tool Engineering Endowed Lab): “Internal Roller Burnishing Tool on a CNC Lathe” Leedonaldson911 / CC BY-SA 4.0 (cropped)
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