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Understanding PET: Benefits, Recycling, and Sustainability

Aug. 11, 2025

Understanding PET: Benefits, Recycling, and Sustainability

Too much packaging becomes litter and end up in our waterways. Aluminum cans have been discarded into the world’s oceans since their invention in . The concerns are:

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  • Cans accumulate on ocean floors, in delicate coral reefs, and in bays and riverbeds.
  • They are more difficult to see, collect, and recycle.
  • Can tabs break off and are ingested by wildlife and fish.

All aluminum starts out as bauxite ore, which must be mined. Mining causes:

  • Deforestation
  • Land erosion
  • Pollution of nearby waterways

Aluminum must also be refined before it’s made into a can or container. The process uses caustic soda and other chemicals to extract aluminum from the ore. According to the EPA’s web page on Bauxite and Alumina Production Wastes, this process leaves behind residual byproducts that can find their way into soil and water, including:

  • Uranium
  • Thorium
  • Radium

Food and beverage cans have a plastic liner, often a bisphenol-A (BPA)–based epoxy, which forms a barrier between the product and metal, protecting against foodborne diseases. Conversely, BPA is not used in the production of PET plastic. It is not used as a chemical building block for any of the materials used in the manufacture of PET, nor is it part of the PET recycling process.

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Glass, by nature, is heavier than plastic, weighing up to 10 times more. This makes it more costly to transport and requires more fuel to be consumed and/or more trips to be made, according to PackagingoftheWorld.com. Increased emissions from either or both issues creates even more greenhouse gases.

Broken glass is as dangerous for waste haulers and recyclers to handle and sort as it is for consumers. In fact, according to Solutions.recyclecoach.com, many facilities are not equipped to remove tiny bits of broken glass from other recyclables. Broken glass can also contaminate other recyclables such as paper and cardboard. Today, more and more recycling companies do not accept broken container glass at all.

KIA Separation of Labels and Dust From PET Bottle Regrind - Poland

A manufacturer of plastic products based in Poland faced a critical challenge in their production process. The company required a sophisticated plant capable of efficiently separating waste materials from the essential raw materials used in their production. This need arose from the necessity to enhance the quality and usability of recycled PET bottle flakes purchased externally.

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