As published by Resource.co in “Bio-based plastic sorting trial demonstrates recycling breakthrough,” a PROSPER project trial at NTCP in the Netherlands showed contaminated bio-based plastic packaging can be identified and separated from municipal lightweight packaging waste using advanced near-infrared (NIR) optical sorting.
The trial processed four tonnes of municipal lightweight packaging waste spiked with bio-based packaging, separating both film and rigid bio-based plastics, including PLA, starch blends, and biopolyesters. The setup intentionally mixed clean bio-based packaging into real MRF waste first to replicate real-world contamination, then produced separate bio-based streams suitable for downstream mechanical and chemical recycling without contaminating conventional plastic streams, with next work focused on improving NIR/vision accuracy and pretreatment washing.
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Article with all rights reserved, courtesy of Resource.co — https://resource.co/