AI-Powered Sorting of Food-Grade Plastics | PET, PP, HDPE | TOMRA GAINnext™

1 Apr 2025  |
Recycling food-grade plastics is one of the biggest challenges in achieving a truly circular economy. Until now, separating food-grade plastics such as polyethylene terephthalate (PET), polypropylene (PP), and high-density polyethylene (HDPE) from non-food-grade materials has required manual sorting. With TOMRA GAINnext™, recyclers can now achieve over 95% purity in food-grade plastics - fully automated and at scale.

What is GAINnext™?

GAINnext™ is an AI-powered deep learning sorting add-on for TOMRA’s world-renowned AUTOSORT™ units. It is the first automated solution that can accurately separate food-grade plastics (PET, PP, and HDPE) from non-food-grade plastics to ensure compliance with stringent requirements for food-grade recycled polymers (rPET, rPP, and rHDPE).

Traditional sorting systems struggle to differentiate between food-safe and non-food plastics, making it difficult to produce high-quality, food-grade recyclates. GAINnext™ solves this challenge by:

  • Achieving over 95% purity in PET, PP, HDPE without manual sorting

  • Automatically detecting and removing non-food-grade plastics

  • Running multiple plastic streams on a single sorting line

What’s more GAINnext™ enables plastics recyclers to increase efficiency, reduce costs, and meet regulatory requirements for food-grade recycled plastics. 

Advantages of GAINnext™ for food-grade plastic applications

  • Achieve food-grade plastic purity at industrial scale
  • Increase profitability by running multiple plastic streams efficiently
  • Eliminate costly manual sorting and improve operational efficiency
  • Produce high-quality rPET, rPP, and rHDPE for circular packaging
  • Enhance sustainability by enabling true closed-loop recycling

With GAINnext™, plastic recyclers can now unlock the full potential of food-grade plastic recycling, supporting a more sustainable and profitable circular economy.

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TOMRA Recycling’s pioneering industry expertise continues to result in state-of-the-art machines and exceptional service within the waste and metal recycling industries. Our goal: support our customers to optimize their sustainability and operational value. Our method:...

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