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Bridgestone to build pilot tire pyrolysis plant at Japanese rubber hose plant

Writer's picture: Notch Notch

Bridgestone Corporation today announced plans to construct a pilot demonstration plant for the pyrolysis of end-of-life (ELT) tires at its rubber hose factory in Seki City, Gifu Prefecture, Japan. Construction is expected to begin in November 2025 and the plant is slated to begin operations in September 2027. Capacity will be 7,700 tons/year of ELT. The Seki plant is part of Bridgestone's Diversified Products business and produces high-pressure hoses and rubber pips. In demonstrating this technology, Bridgestone said that it aims to help accelerate the social implementation of chemical recycling technology.


This project is part of the company's exploratory business for "Sowing New Seeds" in its Mid Term Business Plan (2024-2026) for sustainable growth in the future.
Since 2022, Bridgestone has been advancing its efforts in chemical recycling of end-of-life tires to help realize a circular economy. In 2023, the company introduced a test unit at the Bridgestone Innovation Park (BIP) in Kodaira City, Tokyo, and it has been further developing technology to obtain tire-derived oil and recovered carbon black through testing precise pyrolysis of end-of-life tires. The oil is refined to produce chemical products, such as butadiene, a raw material of synthetic rubber. This creates the possibility of reusing and recycling the oil and the recovered carbon black as raw materials of tires.

Through the pilot demonstration plant, Bridgestone aims to establish scale-up technologies for mass production of tire-derived oil and recovered carbon black by applying stable and continuous operational processes and quality management.

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