Multi-sensor sorting system separates contaminants from PET material flows, sorts them into unmixed fractions

The big challenge in PET recycling is that bottles or flakes must be separated to provide unmixed and contaminant-free output materials. S+S has developed solutions that separate contaminants from PET material flows and sort these material flows into unmixed fractions. Using state-of-the-art sorting technology that is able to separate huge mass flows into various secondary raw materials in a very short time is an important element for an economically efficient recycling process. At the PETpoint 2011 S+S presented the FLAKE PURIFIER multi-sensor sorting system. Based on a modular concept the Flake Purifier combines up to three sensors for contaminant detection. In addition to sensors for metal and colour separation, S+S has also equipped the Flake Purifier with a high-performance module for the detection of contaminants which also include different plastic types. The system thus for example removes PVC parts or bio plastics such as PLA from PET flakes. S+S is one of the world's leading manufacturers and developers of inspection, separation and sorting systems. S+S systems are used in process, packaging and production lines throughout industry and in the specialized preparation of materials for recycling.
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