NARUSE LABORATORY Department of Mechanical System Engineering,
Nagoya University, Tokai National Higher Education and Research System

Developing high-efficiency energy conversion technologies to establish a sound material-cycle society.

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News

2025/04/04Member
In the 2025 academic year, four M1 students and four B4 students have newly joined Naruse lab!
2025/03/25Activity
Graduation ceremony of 2025 held! 7 master’s and 5 bachelor’s students graduated!
2025/03/12Publication
Hibiki OKOUCHI (B4) Wins the Best Presentation Award at the TOKAI ENGINEERING COMPLEX 2025(TEC25)! Theme: Steam Gasification of Biomass Char in a Fluidized Bed.
2025/01/10Publication
Academic paper authored by Zhenjie Zheng (D2) is accepted for publishing in ISIJ International!
2024/12/18Publication
Nozomi Tauchi (D1) has presented at the 20th Biomass Science Conference (organized by the Japan Institute of Energy) held in Kyoto!
2024/12/18Publication
Shoichi Hasegawa(M2)has presented at the 20th Biomass Science Conference (organized by the Japan Institute of Energy) held in Kyoto!
2024/12/18Publication
Dai Takahashi (M1) has presented at the 20th Biomass Science Conference (organized by the Japan Institute of Energy) held in Kyoto!
2024/11/25Publication
Takuma Yoneda (M1) has presented at The 62nd Symposium (Japanese) on Combustion held in Osaka! Research：Elucidation of Formation Behavior of Fine Particles and Trace Elements in Biomass Gasification Process
2024/11/21Publication
Shohei Matsunari has presented at the 12th Asian Conference on Biomass Science.
2024/11/21Publication
Hiromitsu Watanabe has presented at the 12th Asian Conference on Biomass Science.
2024/11/12Publication
Zhenjie Zheng has presented at the Second Symposium on Carbon Ultimate Utilization Technologies for the Global Environment (CUUTE-2).
2024/10/30Publication
Zhenjie Zheng has presented at the The 61st Coal Science Conference held in Takamatsu, Japan.
2024/09/18Publication
Shunsuke Nagae has presented at the The 188th The Iron and Steel Institute of Japan (ISIJ) Meeting held at Osaka University, Japan.
2024/09/11Publication
Norihiro Ito has presented at the SCEJ 55th Autumn Meeting held at Hokkaido University, Japan.
2024/09/11Publication
Noboru Kawabe has presented at the SCEJ 55th Autumn Meeting held at Hokkaido University, Japan.
2024/09/11Publication
Noboru Kawabe has presented at the SCEJ 55th Autumn Meeting held at Hokkaido University, Japan.
2024/09/11Publication
Hayato Onoue has presented at the SCEJ 55th Autumn Meeting held at Hokkaido University, Japan.
2024/09/09Publication
Daiki Nii has presented at The 35th Annual Conference of Japan Society of Material Cycles and Waste Management held at Tsukuba, Japan.
2024/09/08Publication
Prof.Yoshiie presented at JSME Annual Meeting 2024 at Ehime University, Japan.
2024/09/04Publication
Zhenjie ZHeng presented at The 9th Asia Steel International Conference (Asia Steel 2024) held in Changsha, Chaina.
2024/08/08Publication
Kohei Kada presented at The 32nd Annual Conference of the Japan Society of Energy held at Fukuoka University, Japan.
2024/08/08Publication
Shun Mukomoto presented at The 32nd Annual Conference of the Japan Society of Energy held at Fukuoka University, Japan.
2024/07/19Publication
Yuxin Wang has successfully earned his Doctor of Engineering degree. Congratulations!
2024/06/17Publication
Shohei Matsunari has presented at The 28th Power and Energy Technology Symposium in Kyoto!
2024/03/13Publication
Associate Professor Ueki has presented at the 187th Spring Lecture Meeting of the Iron and Steel Institute of Japan held at Tokyo University of Science.
2023/07/25Activity
The relocation of the Naruse Laboratory has been successfully completed.
2020/03/06Activity
Visit to laboratory for new B4 in 2020 ・Please come to the meeting place on the following date and time if New B4 students wish to visit the Naruse laboratory. ・Date and Time：13:00, 13:30, 14:00, 14:30 on Friday, March 6, 2020 ・Place：Room 107, Mechanical Engineering Laboratory
2019/06/27Publication
Environmental Engineering Award for Academic Achievement ・Award date：H31.6.27 ・Award name：：Environmental Engineering Award for Academic Achievement ・Winner：Ryo Yoshiie ・Theme："廃棄物焼却過程における有害排出物放出抑制"
2017/06/15Publication
Paper has been accepted by Fuel Processing Technology. Theme: Investigation of fragmentation and coalescence behavior of ash particles in simulated coal combustion.
2017/06/01Publication
Prize from The Japan Institute of Energy (Academic division), 2016 ・Study on behavior of reactions, environmental pollutants, and ash during solid combustion and gasification process, Prof. Ichiro Naruse
2017/03/06~08Publication
SCEJ 82nd Annual Meeting, Mar.6-8,2017 ・Characterization of tar from pyrolysis and steam gasification of ABS, PC and PE in a batch furnace, (Hiroshima U.)*(Ful)Nunome Yoko, (Nagoya U.)(Stu)Suzuki Toshiya, (Stu)Nedjalkov Ivan, (Ful)Ueki Yasuaki, (Ful)Yoshiie Ryo, (Ful)Naruse Ichiro ・Emission behaviors of initial pyrolysis gas in waste incineration process, (Nagoya U.)*(Ful)Yosiie Ryo, (Stu)Idera Ryo, (Ful)Ueki Yasuaki, (Ful)Naruse Ichiro

About us

Our laboratory focuses on five related topics: ash deposition, combustion, gasification, ironmaking and cogeneratio to contribute to a sound material-cycle society.

01Ash deposition

Ash contained in the solid fuel such as biomass and waste, may melt or vaporize In boilers. and subsequently deposit on the surface of heat transfer tubes. This phenomenon leads to issues known as slagging and fouling. The problems not only reduce the overall thermal efficiency of the boiler but also extend maintenance periods. In recent years, the trend toward higher steam temperatures and the co-combustion of waste and biomass has further increased the risk of ash deposition. This group aims to elucidate the mechanism of ash deposition on heat transfer surfaces and propose a deposition control technology using thermal spraying method.
The related themes:

  • Elucidation and control of ash deposition mechanism in industrial waste treatment furnaces
  • Control of ash deposition during thermal recycling of municipal waste

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02Combustion

One effective method for extracting energy from low-grade fuels — such as woody biomass, sewage sludge, industrial waste, and refuse-derived fuel (RDF) —is heat recovery through direct combustion. In recent years, waste-to-energy incineration facilities have attracted increasing attention as “locally distributed power sources,” emphasizing the growing importance of research and development in municipal waste incineration technologies. To advance these efforts, it is essential to optimize combustion furnaces, which requires a fundamental understanding of the combustion behavior of the various combustible waste materials.
The related themes:

  • Elucidation and modeling of combustion behavior of various biomass fuels
  • Elucidation of the generation behavior of particulate and trace elements during the biomass combustion process

03Gasification

Gasification is a technology in which a small amount of air is introduced to partially combust solid fuel, and the resulting gas reacts with the residual char to produce CO2 and H2. Compared to fossil fuels, biomass presents several challenges, including lower energy density and regional variability in availability. Therefore, biomass gasification is a key method for enabling efficient energy recovery, even on a relatively small scale. The objective of this research group is to elucidate the gasification behavior of biomass through thermogravimetric analysis (TGA) and by evaluating changes in the composition of the generated gas during the gasification process. In addition, we investigate the behavior of fine particles and trace components released during this process.
The related themes:

  • Gasification behavior of various thermosetting resins
  • Elucidation of formation behavior of fine particles and trace elements in biomass gasification process

04Ironmaking

The steel industry plays a key role in achieving decarbonization. In Japan, a large amount of coal is used as a reducing agent and heat source in the ironmaking sector, resulting in substantial CO2 emissions — accounting for approximately 12% of the country’s total CO2 emissions. Of these, emissions from the ironmaking processes such as sintering machines, coke ovens, and blast furnaces, constitute about 70% of the total emissions from integrated steelworks. Hydrogen-based reduction in blast furnace ironmaking is a promising approach, in which a portion of the coke used in the blast furnace is replaced with hydrogen. Ongoing research focuses on hydrogen reduction methods in blast furnaces, as well as the substitution of coke with waste plastics and woody biomass. On the other hand, the sintering process is regarded as the largest source of NOx emissions within ironmaking. Therefore, reducing NOx emissions in this process presents another critical challenge.
The related themes:

  • Degradation and ash behavior in gasification reactions of coke
  • Development of a novel NOx reduction system using continuous biomass char feeding into calcium ferrite-based compounds

05Cogeneration

To promote the local production and consumption of regionally distributed biomass resources, we are developing a system that combines biomass gasification with solid oxide fuel cells (SOFCs). In this system, syngas components such as H2, CO, and CH4 produced through gasification are directly supplied to the SOFC, enabling immediate electricity generation. The exhaust gas from the SOFC contains a substantial amount of heat, which can be utilized for applications such as space heating and hot water supply. Our research group is engaged in evaluating the properties of syngas produced by a laboratory-scale gasifier, elucidating the degradation behavior of SOFCs caused by trace components in mixed gases, and investigating the power generation characteristics of SOFCs when operating with CO-containing gas mixtures.
The related themes:

  • Power generation characteristics of solid oxide fuel cell using biomass gasification gas
  • Study on degradation behaviors of anode by supplying biomass gasified gas insolid oxide fuel cell

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