Page 29 - Plastics News Issue March 2024

ENVIRONMENT NEWS

on the endocrine system, disrupting hormonal messaging and potentially causing adverse health effects. These chemicals
are found in various plastics, including bisphenols, flame retardants, per- and polyfluoroalkyl substances (PFAS), and
phthalates. EDCs can mimic hormones like estrogen, testosterone, and thyroid hormones, leading to developmental
disruptions, fertility issues, immune system problems, and more. Exposure to EDCs during pregnancy and early
development stages can be particularly concerning. Despite the growing evidence of their harmful effects, regulation of
plastic production and disclosure of chemical ingredients remain limited.

How are plastics recycled?
Recycling is a vital element in creating a closed loop for
sustainable plastics. Improvements in collection and sorting,
coupled with new ways to recycle complex plastics, help
to retain the value of plastic through its lifecycle. And with
targets defined by the European Union for mandatory
recycled content, innovation and investment are key in
finding better ways to reduce waste and improve recycling
efficiency every step of the way.
Plastics can be recycled by various methods, depending on
the type of plastic and the recycling facility. Improvements in collection schemes and sorting technologies are essential
to achieve higher recycling rates. Plastic waste recycling rates are ten times higher when collected separately compared
to mixed collection schemes.

Mechanical recycling is the most common approach for recycling plastics like polyethylene terephthalate (PET) and
high-density polyethylene (HDPE). PET and HDPE are typically used to make soft drinks bottles or containers and are
relatively easy to recycle.

Collection
Collection of end-of-life plastic products from separate and mixed waste streams

First sorting
Once plastic waste arrives at the recycling plant, it is sorted. While some sorting
may have taken place at the collection stage, further separation by colour or
thickness may be necessary.

Shredding
Plastics need to be shredded into smaller pieces before they can go on for
reuse.

Washing

Washing removes dust and dirt to ensure plastics are clean before they go onto the next stage.
This can include removing traces of food, drink or labels.
Second sorting and control
Plastics are sorted again and controlled before being sent to extrusion.

PLASTICS NEWS 29
March 2024