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Environmental Management Engineering Lab
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A recycling engineering lab that recovers precious metals and rare metals from end-of-life products.
AboutAbout the lab
Building the technology, and learning to evaluate it.
The Environmental Management Engineering Lab develops technologies that recover precious metals and rare metals from end-of-life products, using innovative hydrometallurgical and pyrometallurgical processes.
The lab's concept is the "synergy between technology development and assessment."
The lab believes that mastering life cycle assessment means gaining the big-picture perspective needed to see where intervening will be most effective.
Students work on both building elemental technologies through hands-on experiments and evaluating those technologies.
Key terms
- Life cycle assessment
- A method that evaluates the environmental impact of a product or service by accounting for it across its whole life, from resource extraction to disposal
- Platinum group metals
- A group of metals, including platinum, palladium, and rhodium, used in applications such as catalysts for purifying exhaust gas
ResearchResearch themes
The lab pursues two goals in parallel: developing technologies that recover precious metals and rare metals from end-of-life products, and evaluating those technologies. It places importance on the synergy between developing elemental technologies with innovative hydrometallurgical and pyrometallurgical processes and taking a big-picture view through life cycle assessment.
*Illustrative imageRecovering platinum group metals with solid aqua regia
The lab develops a system that uses a molten salt mixture of iron chloride and other chlorides as a "solid aqua regia" to recover platinum group metals from catalysts in automobiles and construction machinery. It operates under milder conditions than conventional methods that use aqua regia or high-temperature molten metals, and the lab has confirmed that platinum and palladium can be separated and recovered with simple solid-liquid separation alone.
*Illustrative imageEvaluating environmental impact with LCA
Life cycle assessment is a method that evaluates the environmental impact of a product or service by accounting for it from resource extraction through to disposal. The lab applies this method to products, technologies, and services, and quantifies how much their environmental impact can be reduced.
MembersFaculty
- ProfessorYasunari Matsuno
- Assistant ProfessorAkihiro Yoshimura
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: “Brokencircuitboard2011” Guinnog / CC BY-SA 3.0 (cropped)
- Recovering platinum group metals with solid aqua regia: “Platinum (Element - 78) 2” James St. John / CC BY 2.0 (cropped)
- Evaluating environmental impact with LCA: “MIT 1.964 Design for Sustainability, Fall 2006 - Life Cycle Assessment – What is it?” mitopencourseware / CC BY-SA 4.0 (cropped)
- Related lab (Wajima Lab): “Waste hall - in Iru Thermal Power Plant” Lauri Veerde / CC BY-SA 4.0 (cropped)
- Related lab (Intelligent Machine Systems Lab): “100 9640” ytiugibma / Public domain (cropped)
- Related lab (Moriyoshi-Kuboyama Lab): “1998 cc Holden 20LE inline-four engine” OSX / Public domain (cropped)
- Related lab ((Kyosei 16) Molecular Structure Analysis Chemistry Lab): “Artistic Crystallization, Bottom View” Paolo Infante / CC BY-SA 4.0 (cropped)
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