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Teijin named its innovative polyester product development, recycling and recycling system ECO CIRCLE. By using this technology, only the polyester fiber garments to be recycled can be put into the equipment, and the accessories other than polyesters such as buttons, zippers, and trademarks, as well as additives such as dyes and colorants, can be removed, and then the polyester can be recovered. Through depolymerization, refining and other steps, you can produce polyester raw materials with the same quality as the petroleum synthesis process route.
The traditional polyester bottle recycling method is a physical treatment method, which will make the product quality worse. This new technology can not only avoid this problem, but also can recycle polyester fibers and regenerate fibers, making it possible to reuse fiber products. This technology reduces energy consumption and CO2 emissions by about 80% compared to the production of polyester feedstock from petroleum. Since the quality of recycled products produced with this technology is exactly the same as that of petroleum-produced products, there is no limit to the application area.
The Teijin Group began producing polyester in 1958. In 1962, it began to study the decomposition of polyester fiber swarf produced during the production process, which turned it into a chemical recycling project for fiber raw materials. In 2000, it developed a new recycling technology for raw materials. . Teijin uses this technology to recycle plastic products such as plastic bottles, fibers, and films to produce polyester and ethylene glycol with the same high purity as petroleum products. In April 2002, the new raw material recycling plant began production.
At present, Teijin is carrying out this business at the Matsuyama Plant in Ehime Prefecture, Japan, and jointly develops, recycles, and recycles polyester fiber products with apparel manufacturers and sports product manufacturers. With the addition of well-known American outdoor products manufacturers, the ECO CIRCLE system is gradually expanding overseas.
New technology enables complete recycling of polyester
As environment-friendly recycled polyester has become a hot spot in the industry, the Teijin Group of Japan held a news conference last week, claiming that its invented new technology will enable the recycling rate of polyester to reach 100%.