#PET like other #plastics resists #naturaldegradation, polluting the #environment.
Several #recycling strategies have been applied to PET, but these tend to result in #downcycled products that eventually end up in #landfills; accumulation of landfilled #PETwaste contributes to the formation of #microplastics.

https://aiche.onlinelibrary.wiley.com/doi/10.1002/aic.18228

Image Tianyu Li, Stefano Menegatti, Nathan Crook / AIChE