Efficient plastic recycling is very hard to do cost-efficiently due to the many types of plastic that are typically mixed together. But there is much research and innovation in this field.
One method that looks quite promising in this regard is Magnetic Density Separation (MDS) under development at Technical University Delft:
One method that looks quite promising in this regard is Magnetic Density Separation (MDS) under development at Technical University Delft:
https://materialdistrict.com/article/innovations-plastic-rec...