POÇOS DE CALDAS – A new study in Brazil has for the first time compared the environmental impacts of Polyethylene Terephthalate (PET) bottle recycling routes, looking at the plastic bottle-to-bottle process compared with a bottle to recycled polyester process.
Researchers looked at primary factory data at a major PET bottle recycling plant covering a 12-month period. They examined seven environmental impact indicators, these being Global Warming Potential (GWP), Abiotic Resource Depletion (ARD), Terrestrial Acidification, Water Scarcity, Ozone Depletion Potential and Freshwater Ecotoxicity. They supported this with secondary data were given from the literature and LCA databases.
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