Read the full story on Japan 2 Earth ー JR Central Upcycles Aluminum from Retired Shinkansen for Innovative Uses
The Shinkansen depends on premium, high-strength aluminum to ensure safety and high-speed capabilities. At the same time, recycling old train cars had been a significant challenge for the industry. That is until now. In March 2020, the Japanese railway company JR Central developed a method of extracting pure aluminum alloy from decommissioned 700 Series Shinkansen.
They do this by removing impurities. This achievement established a systematic approach for producing high-quality recycled aluminum.
High Quality and Strength
According to JR Central, this recycling technique has a significantly smaller environmental impact compared to traditional aluminum manufacturing methods. In fact, it could reduce CO2 emissions by 97%. Moreover, due to the inherent strength and superior quality of the aluminum used in Shinkansen trains, the recycled material also meets Japan's construction standards.
As a result, recycled aluminum finds applications beyond decorative items. Its uses now extend to building materials and precision machinery.
Continue reading the full story on Japan 2 Earth and also learn more about the products being made by recycling the aluminum of retired Japanese Shinkansen.
And find more great articles on the environment and the challenges of achieving the SDGs on our new website Japan 2 Earth (J2E), sparking a transition to the future.
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(Read the article in Japanese.)
Author: Hidemitsu Kaito