Sustainable Development Goals
Organizations Involved:
Mitsubishi Materials Corporation, Onahama Refining & Smelting Co, Tokyo University, Tokyo Institute of Technology, Several Tire Manufacturers & Recyclers
Services:
Design & Engineering, Turn-Key DBC, Due Diligence, Supply Chain Management, Component Supply
The Challange:
Nanotechnology is expected to revolutionize our world as airplanes and telecommunications did during the last century. By manipulating atoms on a millionth of a cm scale, engineers can create new materials with previously unimaginable properties. Nano-enhanced products are expected to account for 50% of all electronics and information technology products and over 25% of all healthcare products by 2025.
Mitsubishi Corporation, one of the world's leading trading companies, began working with Klean's technologies in the late 1980s and 1990s to apply its unique carbonization technology that is integrated with a synthesis and purification technology so that large quantities of low-cost energy, carbon nanotubes, and fullerenes can be produced from alternative feedstocks such as scrap tires in a continuous process. The system's design is based on the Chemical Vapour Deposition (CVD) Growth process, in which unique chemicals are used to create a density gradient, and the isolated carbon nanotubes gather in specific regions by type, which can then be harvested as an isolated material. The material acts as semiconducting or metallic as the nanotubes form during this synthesis process. The nanomaterials are typically grown and sold as mixed structures. Semiconducting and metallic single-walled carbon nanotubes can be successfully isolated by density differentiation.
The Solution:
After decades of research and development and with early commercial operations underway, ongoing research continues to advance material production purity. A joint pilot project was established in Japan in the year 2000 and could produce 0.4TPA of nanomaterials. Since then, production quantities have steadily increased as the project has scaled up from its initial design capacity to now processing approximately 2,500,000 used tires exclusively (approximately 20,000TPA) for this purpose. With full-scale production due to start in the near term, the output is expected to be 7,000TPA of nano-recovered carbon black and 700TPA of carbon nanotubes. The parties involved have planned to further expand the production of nanocarbons tenfold by 2025.
Several different materials are produced using Klean's technologies:
The Outcome:
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