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ID symbol for recycle [5] The empty PET packaging is discarded by the consumer, after use and becomes PET waste. In the recycling industry, this is referred to as "post-consumer PET." All types of PET packaging, including bottles are usually marked with the recycle symbol 1. There are essentially three different collection systems:
In many countries PET bottles are recycled to a substantial degree, [60] for example about 75% in Switzerland. [62] The term rPET is commonly used to describe the recycled material, though it is also referred to as R-PET or post-consumer PET (POSTC-PET). [63] [64] The prime uses for recycled PET are polyester fiber, strapping, and non-food ...
In open-loop recycling, also known as secondary recycling, or downcycling, the quality of the plastic is reduced each time it is recycled, so that the material eventually becomes unrecyclable. It is the most common type. [97] Recycling PET bottles into fleece or other fibres is a common example, and accounts for the majority of PET recycling. [100]
Some plastics are recycled more than others; in 2017 about 31.2 percent of HDPE bottles and 29.1 percent of PET bottles and jars were recycled. [189] Reusable packaging refers to packaging that is manufactured of durable materials and is specifically designed for multiple trips and extended life.
Recycling can be carried out on various raw materials. Recycling is an important part of creating more sustainable economies, reducing the cost and environmental impact of raw materials. Not all materials are easily recycled, and processing recyclable into the correct waste stream requires considerable energy.
According to the National Association for PET Container Resources, the recycling rate for PET has held steady at 31% since 2013. [6] Polyesters like PET can be broken down through hydrolytic degradation: the ester linkage is cut by a water molecule. The reaction proceeds differently in acidic or alkaline conditions, but works best at ...
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This is an accepted version of this page This is the latest accepted revision, reviewed on 10 December 2024. Converting waste materials into new products This article is about recycling of waste materials. For recycling of waste energy, see Energy recycling. "Recycled" redirects here. For the album, see Recycled (Nektar album). The three chasing arrows of the universal recycling symbol ...