Detoxification of impurities using cavitation
Improving the recycling rate of aluminum (Al) is becoming more important. Recycled Al contains impurities such as iron, silicon, and zirconia, which form intermetallic compounds(IMC) and reduce its mechanical strength. Convectional methods use ultrasonic vibrations to refine these compounds, but scaling up the process remains a challenge. To solve it, the inventor has invented a machine that applies cavitation treatment to molten recycled Al. This simple machine design makes it easier to scale up and use in industrial applications compared to conventional methods. Experimental results showed that the machine effectively refined IMC and improved the strength of recycled Al. This invention could significantly advance aluminum recycling.
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The revenue generated from technology transfer is reinvested as new research funding for universities and researchers, and is utilized to create further research outcomes. To ensure the smooth operation of this cycle, known as the "Intellectual Creation Cycle," we will vigorously promote technology transfer. The types of seeds we handle include patents, know-how, databases, and programs. We have established a collaborative framework by signing basic technology transfer agreements with the following universities (as of June 1, 2025): Tohoku University, Hirosaki University, Iwate University, Akita University, Fukushima University, Yamagata University, Tohoku Gakuin University, Iwate Medical University, Fukushima Medical University, Aizu University, Miyagi University, Hokkaido University, Muroran Institute of Technology, and Showa Medical University.
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