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Environmental Design Engineering Lab
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A lab that turns waste into resources and designs urban metabolism.
AboutAbout the lab
Waste is a resource accumulated in cities
The Environmental Design Engineering Lab studies how to use waste as a resource and manage it appropriately.
While recovering resources and energy from waste, it is necessary to minimize environmental pollution and risk.
Based on transport phenomena and environmental systems engineering, the lab analyzes the movement of materials and energy through experiments and field surveys.
It studies the technologies and social systems that handle urban metabolism, as well as the planning and design of environmental plants, aiming to design optimal urban metabolism systems.
Key terms
- Urban metabolism
- An expression likening the flow in which a city takes in, uses, and discharges resources and energy as waste to the metabolism of a living organism
- Life cycle assessment
- A method of evaluating a product or system by totaling its environmental impacts from production through the end of its use
- Liquefied dimethyl ether
- A substance that is a gas at ambient temperature but is turned into a liquid under pressure. It can be used as a solvent to dissolve out water and oil
ResearchResearch themes
Based on disciplines such as transport phenomena and environmental systems engineering, together with findings from basic and field experiments, the lab analyzes the movement of materials and energy. It aims to plan and design the technologies, social systems, and environmental plants that handle urban metabolism, and to design optimal urban metabolism systems.
*Illustrative imageManaging the Risks of Waste Treatment
The treatment of municipal waste and disaster waste involves risks from pollutants and accidents. The lab quantitatively evaluates the health effects and accident risks of treatment such as incineration, and designs safe and reliable systems, including ways to extend the service life of facilities.
*Illustrative imageCircular, Low-Carbon Urban Metabolism Systems
The lab evaluates thermal recycling at municipal waste incineration facilities from the perspective of preventing global warming. Targeting Shenzhen, China, it considers a system combining methane fermentation, waste incineration, and sewage treatment, and examines the appropriate form using life cycle assessment.
*Illustrative imagePurifying Sewage Sludge and Contaminated Sediment at Ambient Temperature
Sewage sludge and the sediment of rivers and lakes, where harmful substances are concentrated, must be reliably reduced and made harmless. The lab studies a new process that uses liquefied dimethyl ether to dissolve out water and contaminants, drying and purifying the material at ambient temperature.
*Illustrative imageSustainable Resource Circulation Technologies and Systems
Heavy metals and rare metals are concentrated in incineration ash and fly ash, which can be called urban mines. The lab develops technologies to recover metals for reuse and to make effective use of the remainder, aiming to build recycling systems that take cost and life cycle into account.
MembersFaculty
The members of the Environmental Design Engineering Lab consist of faculty, technical staff, secretaries, project researchers, and doctoral, master's, and undergraduate students.As of 2026
- ProfessorMasaki Takaoka
- Associate ProfessorKazuyuki Oshita
- Assistant ProfessorMinori Ike
VoicesStudent voices
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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: “Deer Island Waste Water Treatment Plant from lookout” 4300streetcar / CC BY 4.0 (cropped)
- Managing the Risks of Waste Treatment: “Χωματερή Μαυροράχης (ΧΥΤΑ Μακεδονίας)” Truckdriver53 / CC BY-SA 4.0 (cropped)
- Circular, Low-Carbon Urban Metabolism Systems: “Reclaim Community Recycling - geograph.org.uk - 3643916” Martin Speck / CC BY-SA 2.0 (cropped)
- Purifying Sewage Sludge and Contaminated Sediment at Ambient Temperature: “Activated sludge sewage treatment plant aeration tank” Marcos von Sperling / CC BY-SA 4.0 (cropped)
- Sustainable Resource Circulation Technologies and Systems: “Paper recycling in Ponte a Serraglio” H005 / Public domain (cropped)
- Related lab (Environmental Preservation Engineering Lab (Environment Preservation Center)): “University of Kyoto Katsura Campus” Bineapple / CC BY-SA 3.0 (cropped)
- Related lab (Environmental Risk Engineering Lab): “Soilcontam” Dumelow / CC BY-SA 4.0 (cropped)
- Related lab (Environmental Quality Prediction Lab (Research Center for Environmental Quality Management)): “EPA GULF BREEZE LABORATORY, CHEMISTRY LAB. THE CHEMIST IS TESTING WATER SAMPLES FOR PESTICIDES - NARA - 546277” William C. Shrout / Public domain (cropped)
- Related lab (Applied Geophysics Lab): “Seismic Survey Party” Wsx2 / CC BY-SA 3.0 (cropped)
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