With the increase of the world’s population and the improvement of living standards, the consumption of fibers and textiles has increased dramatically. As a result, the amount of waste generated in textile waste and textile production processes has also increased. In the United States, for example, only 10 million tons of textile waste was generated in 2003, which accounted for about 45% of the annual solid waste weight in urban areas. Most of these wastes are disposed of as waste, which often causes environmental pollution. According to data, 55% of solid waste is buried underground every year in the U.S. urban area, 14% of which is converted into heat by combustion, and only 31% is recycled.
The reason for the low recycling rate of waste products is that there is currently no effective recycling technology. The use of mechanical, chemical, and biological processes to process waste into new products requires the consumption of energy, the addition of new raw materials, and the possibility of releasing some harmful substances into the atmosphere, water, and soil. Is it necessary to regenerate a new product market at the same time? Is it cost competitive? Is waste as a raw material guaranteed for continuous supply? Such issues are uncertain. Second, the traditional product design did not consider the disposal, recycling and reuse of raw materials after they were discarded. Therefore, one of the goals of ecological design of textiles is to reduce the amount of waste generated, as well as to pollute the environment and conserve natural resources.
Theoretically, almost 100% of textile products can be recycled, and textiles and clothing made of fiber materials should have no waste products. However, due to the wide variety of fibers and their various properties, many products are composites of several fiber materials, which creates problems for product handling and recycling. Here are two examples of the requirements for eco-design to make textiles meet ecological treatment and recycling.
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The reason for the low recycling rate of waste products is that there is currently no effective recycling technology. The use of mechanical, chemical, and biological processes to process waste into new products requires the consumption of energy, the addition of new raw materials, and the possibility of releasing some harmful substances into the atmosphere, water, and soil. Is it necessary to regenerate a new product market at the same time? Is it cost competitive? Is waste as a raw material guaranteed for continuous supply? Such issues are uncertain. Second, the traditional product design did not consider the disposal, recycling and reuse of raw materials after they were discarded. Therefore, one of the goals of ecological design of textiles is to reduce the amount of waste generated, as well as to pollute the environment and conserve natural resources.
Theoretically, almost 100% of textile products can be recycled, and textiles and clothing made of fiber materials should have no waste products. However, due to the wide variety of fibers and their various properties, many products are composites of several fiber materials, which creates problems for product handling and recycling. Here are two examples of the requirements for eco-design to make textiles meet ecological treatment and recycling.
00% of the safety shoes worn by workers who are made of artificial leather recycled by PET. It does not contain chromium when it is made from natural leather, so it is called "eco-leather." Because it contains no chromium, it can be safely incinerated.
In 1998, the staff of the 18th Nagano Winter Olympic Games uniforms had about 400 pieces of uniforms, clothing, ties, buttons, cotton, badges, and sewing threads. Almost all of the same materials were recycled and recycled (Nylon 6). The used clothes can be dissolved and reduced into raw materials, which can theoretically be 100% recycled.According to statistics, 300 sets of such uniforms can be used to save 3000L of oil.
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