TOMRA's Innovations Boost Polypropylene Recycling Efficiency
TOMRA Recycling has made strides in polypropylene (PP) recycling. The company recently demonstrated its AUTOSORT system, successfully separating PP bales into white and natural fractions at its Test Centre. This follows the unveiling of the 4C optical sorting machine, designed to enhance detection and accuracy in the nut and individual quick freezing (IQF) industries.
TOMRA's advancements are driven by innovative technology. The 4C machine is the first to allow packers and processors to run multiple forms of artificial intelligence simultaneously. This includes the deep learning solution GAINnext, which can distinguish food-grade from non-food-grade PP using neural networks and object recognition.
In September 2025, TOMRA hosted the NEXTLOOPP Initiative at its headquarters in Mülheim-Kärlich, Germany. This event showcased advanced PP sorting trials, though specific participant details remain private. The initiative is led by Edward Kosior, founder and CEO of Nextek Ltd, who recently shared that the US has received FDA approval for the use of recycled polypropylene in food-grade applications.
TOMRA's innovations, including the AUTOSORT system and 4C machine, combined with GAINnext, offer high sorting granularity. The company continues to push boundaries in PP recycling, as seen in the NEXTLOOPP Initiative. These advancements promise improved recycling efficiency and expanded food-grade recycling options.
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