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Naruse Lab
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A lab that extracts energy from waste and biomass in harmony with the environment.
AboutAbout the lab
Aiming to create a sustainable material-cycle society.
The Naruse Lab studies technologies for efficiently extracting energy from solid fuels such as waste and biomass while taking the environment into account.
Through experiments and analysis, it investigates how ash and environmentally harmful substances are formed when solid fuels are burned, converted into gas, or used in ironmaking.
The lab operates as the Environmental and Energy Engineering research group in the Department of Mechanical Systems Engineering.
Key terms
- Biomass
- Resources derived from living organisms, such as wood. It is also used as fuel.
- Gasification
- A technology that partially burns solid fuel with a small amount of air to convert it into combustible gas.
- Coke
- A solid fuel made from coal. It is used in blast furnaces to reduce iron ore and to supply heat.
- Thermal spraying
- A processing method that melts a material and sprays it onto a surface to form a coating.
NewsLab news
A student received the Best Presentation Award at a lecture meeting of the JSME Tokai Student Chapter
Research results by a doctoral student have been accepted for publication in ISIJ International
ResearchResearch themes
The lab aims to develop highly efficient conversion technologies that are in harmony with the environment, and thereby build a sustainable, material-cycle society. Centered on five topics (ash deposition, combustion behavior, gasification behavior, ironmaking processes, and fluidized beds), it works with solid fuels such as waste and biomass.
*Illustrative imageSuppressing ash deposition in boilers
In boilers that burn industrial waste or biomass, ash in the fuel adheres to the heat transfer tubes and lowers thermal efficiency. The lab conducts deposition experiments in an electric furnace that simulates conditions inside a boiler, investigates the mechanism, and proposes a deposition-suppression technique using thermal spraying.
*Illustrative imagePredicting how solid fuels burn
The lab evaluates the combustibility of a wide range of solid fuels, including woody biomass, sewage sludge, and waste, aiming to predict and control the combustion process in actual combustion furnaces. It also works to understand how environmentally harmful substances such as nitrogen oxides and fine particles are formed.
*Illustrative imageBiomass gasification and tar suppression
The lab works on technology that partially burns solid fuel with a small amount of air to convert it into combustible gas. It focuses on a method that adds steam to suppress tar formation, and on hydrogen production from char, the residue left after the pyrolysis of biomass.
*Illustrative imageCoke for reducing CO2 in ironmaking
The lab is trying to produce carbon-neutral coke with high strength and high reactivity by replacing part of the caking coal with biomass char and adding a binder. It is also developing a device that reduces nitrogen oxides in the sintering process.
MembersFaculty
The Naruse Lab consists of faculty members, research institute researchers, technical staff, secretaries, and students in the doctoral program, the master's program, and the undergraduate program.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: “Sandakan Sabah IOI-Sandakan-Biomass-Power-Plant-02” CEphoto, Uwe Aranas / CC BY-SA 3.0 (cropped)
- Suppressing ash deposition in boilers: “Waste incineration boiler in Iru Thermal Power Plant” Lauri Veerde / CC BY-SA 4.0 (cropped)
- Predicting how solid fuels burn: “Wood pellets-small huddle PNr°0108” D-Kuru / CC BY-SA 3.0 at (cropped)
- Biomass gasification and tar suppression: “Fluidized bed biomass gasification plant - Front wiew” Carvarsa / CC BY-SA 4.0 (cropped)
- Coke for reducing CO2 in ironmaking: “Pittsburgh-steel-company-monessen-works-blast-furnace-no-1-and-no-2-donner-7” Historic American Engineering Record, creator Pittsburgh Steel Company / Public domain (cropped)
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