The petroleum resources not only promote the vigorous development of the polyester industry in the world today, but also the non-renewability of oil has plagued the global polyester industry. In the face of the depletion crisis in oil resources, the polyester industry will become a strategic choice that governments and companies will face. As people's awareness of environmental protection has increased, the recycling of waste products is receiving increasing attention in this sustainable development cycle economy society. In the 2008 Top Ten Trends released by Forbes, recycled fiber made of environmental protection materials was among them.
Polyester recycling has become a popular trend. Polyester recycling has long been popular in foreign countries. Belarus collects polyester waste from units and residents; an Australian company prepares to develop individual recycling nets for polyester recycling. At present, 17 countries in Europe have confirmed that it is safe and reliable to use recycled polyester fiber as a food packaging material. In addition, as early as April 2000, Japan enacted a full implementation of container recycling law.
In terms of recycling of polyester, not only the main body of the country is in action, but also companies are actively participating. According to the statistics of the Japan PET Bottle Recycling Association, Japan’s recycled polyester production in 2007 has reached nearly 200,000 tons. The global soft drinks giant Coca-Cola Co., Ltd. invested in Mexico to establish the first production plant for recycled polyester bottles. Production began in August 2005. This is a long-term Coca-Cola plan to recycle or reuse 100% PET jars in North America. According to reports, the Indian state-owned intercontinental recycling company is expected to produce qualified recycled polyester to enter the packaging industry. It is reported that its production plant began trial operation in November 2007. At present, it is only able to produce low-grade recycled polyester fiber. According to the plan, it can recycle and convert 30,000 tons of waste plastic bottles each year. Not long ago, Teijin Chemical Company of Japan introduced its chemical recycling technology of polyester in Beijing, brought the latest trend and trend of the world polyester industry to China, and quickly caused a strong response in China's chemical and textile industries.
Recycling takes chemical technology as the core The complete recycling of polyester products is the highlight of chemical production process innovation. The new technology of physical recycling can only produce high-quality recycled short-filament polyester through processes such as melting, purification and solid-state polycondensation. Chemical recycling technology can obtain high-purity polyester monomers and directly synthesize new filament polyester and constitute Closed loop of green chemical process. Therefore, the recycling of polyester products, chemical technology is the core.
In order to solve the technical problems of polyester recycling, Teijin started its basic research on chemical recycling of polyester products as early as 1992. After 10 years of research and development, in 2002, it introduced a completely recycled polyester fiber recycling technology, created a new situation of environmentally friendly polyester fiber, and overcomes a series of technical difficulties such as recovery, degradation, and spinning. The performance of regenerated fibers formed by repolymerization and spinning was inferior to that of new fibers, and the purity reached 99.9%. The Teijin “ECOCIRCLE†closed loop recycling system was gradually formed. In July 2002, the production of fiber products was started from fiber to fiber using the used polyester fiber as raw material; in 2003, polyester bottle was used to produce polyester bottle raw material using used polyester bottle. "From bottle to bottle" also started production.
In addition to Teijin Chemical, Japanese companies such as Asahi Kasei and Dupont are also investigating the recycling of polyester products. Toray also started to recycle nylon fibers and polyester fibers.
The company is expected to become an environmentally friendly factory. Teijin Raw Materials Polymerization Division Director Sato and Kwong told reporters that polyester products produced using recycled recycling technology can not only reduce energy consumption by about 84% compared with polyester produced from petroleum. It can reduce CO2 emissions by about 77%. Recycling 1 ton of polyester is equivalent to saving one family's annual energy consumption.
The United States, Japan, and other countries have introduced policies to support the recycling of polyester. Recycled polyester products not only enjoy the right of preferential procurement, but also the market price can be higher than polyester produced by petroleum. Polyester products are widely used in a variety of uniforms, general clothing, household items, shopping bags, office supplies, household items, civil engineering materials, and automotive textiles. On the other hand, in order to benefit the further environmental protection of polyester production and recycling, the new catalyst titanium is gradually replacing the heavy metal catalysts lanthanum and cerium. Now, this heavy metal-free catalyst has been used in various fields such as civilian fibers, polyester bottles, and polyester films.
In today's vigorous promotion of energy conservation and environmental protection, the polyester cycle has more important social significance. If the global polyester industry goes into circulation, polyester companies will become the world's environmentally friendly factories. From the perspective of environmental protection and resource reuse, recycling of polyester is a project that benefits the country, the people, and the economy.
Polyester recycling has become a popular trend. Polyester recycling has long been popular in foreign countries. Belarus collects polyester waste from units and residents; an Australian company prepares to develop individual recycling nets for polyester recycling. At present, 17 countries in Europe have confirmed that it is safe and reliable to use recycled polyester fiber as a food packaging material. In addition, as early as April 2000, Japan enacted a full implementation of container recycling law.
In terms of recycling of polyester, not only the main body of the country is in action, but also companies are actively participating. According to the statistics of the Japan PET Bottle Recycling Association, Japan’s recycled polyester production in 2007 has reached nearly 200,000 tons. The global soft drinks giant Coca-Cola Co., Ltd. invested in Mexico to establish the first production plant for recycled polyester bottles. Production began in August 2005. This is a long-term Coca-Cola plan to recycle or reuse 100% PET jars in North America. According to reports, the Indian state-owned intercontinental recycling company is expected to produce qualified recycled polyester to enter the packaging industry. It is reported that its production plant began trial operation in November 2007. At present, it is only able to produce low-grade recycled polyester fiber. According to the plan, it can recycle and convert 30,000 tons of waste plastic bottles each year. Not long ago, Teijin Chemical Company of Japan introduced its chemical recycling technology of polyester in Beijing, brought the latest trend and trend of the world polyester industry to China, and quickly caused a strong response in China's chemical and textile industries.
Recycling takes chemical technology as the core The complete recycling of polyester products is the highlight of chemical production process innovation. The new technology of physical recycling can only produce high-quality recycled short-filament polyester through processes such as melting, purification and solid-state polycondensation. Chemical recycling technology can obtain high-purity polyester monomers and directly synthesize new filament polyester and constitute Closed loop of green chemical process. Therefore, the recycling of polyester products, chemical technology is the core.
In order to solve the technical problems of polyester recycling, Teijin started its basic research on chemical recycling of polyester products as early as 1992. After 10 years of research and development, in 2002, it introduced a completely recycled polyester fiber recycling technology, created a new situation of environmentally friendly polyester fiber, and overcomes a series of technical difficulties such as recovery, degradation, and spinning. The performance of regenerated fibers formed by repolymerization and spinning was inferior to that of new fibers, and the purity reached 99.9%. The Teijin “ECOCIRCLE†closed loop recycling system was gradually formed. In July 2002, the production of fiber products was started from fiber to fiber using the used polyester fiber as raw material; in 2003, polyester bottle was used to produce polyester bottle raw material using used polyester bottle. "From bottle to bottle" also started production.
In addition to Teijin Chemical, Japanese companies such as Asahi Kasei and Dupont are also investigating the recycling of polyester products. Toray also started to recycle nylon fibers and polyester fibers.
The company is expected to become an environmentally friendly factory. Teijin Raw Materials Polymerization Division Director Sato and Kwong told reporters that polyester products produced using recycled recycling technology can not only reduce energy consumption by about 84% compared with polyester produced from petroleum. It can reduce CO2 emissions by about 77%. Recycling 1 ton of polyester is equivalent to saving one family's annual energy consumption.
The United States, Japan, and other countries have introduced policies to support the recycling of polyester. Recycled polyester products not only enjoy the right of preferential procurement, but also the market price can be higher than polyester produced by petroleum. Polyester products are widely used in a variety of uniforms, general clothing, household items, shopping bags, office supplies, household items, civil engineering materials, and automotive textiles. On the other hand, in order to benefit the further environmental protection of polyester production and recycling, the new catalyst titanium is gradually replacing the heavy metal catalysts lanthanum and cerium. Now, this heavy metal-free catalyst has been used in various fields such as civilian fibers, polyester bottles, and polyester films.
In today's vigorous promotion of energy conservation and environmental protection, the polyester cycle has more important social significance. If the global polyester industry goes into circulation, polyester companies will become the world's environmentally friendly factories. From the perspective of environmental protection and resource reuse, recycling of polyester is a project that benefits the country, the people, and the economy.
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