SORTING | TECHNOLOGY


(materials) are often neglected due to the difficulty distinguishing between them, such as white- and natural-coloured plastics, or single and multi-layer packaging,” says a Steinert spokesperson. RE Plano constructed its new recycling facility in


Remondis Group, to establish a state-of-the-art Plastics Recycling Facility for difficult-to-sort polyolefin fractions that would mirror the success achieved with recycling of PET. To achieve this aim and to be able to operate the facility cost effectively, plastic fractions for the materials polyethylene and polypropylene must be sorted to purities of over 97% and sorted according to type and colour of plastic. “Unfortunately, these


Bochum, Germany, in just six months, installing recycling technologies from Steinert that enabled cost efficient and consistently accurate sorting of difficult-to-distinguish plastic fractions. The facility can sort around 30,000 tonnes of plastics per year using Steinert’s Intelligent Object Identifier AI-based technology, which enabled sorting practices that consider additional material proper- ties that can be identified visually. Steinert’s Intelligent Object Identifier combines a colour sensor and NIR sensor with hyperspectral imaging technology, which allows for a process that yields uniform, pure-grade plastics through highly efficient sorting. The technology allowed for sorting previously not possible using conventional processes. One example is the separation of silicone cartridges from the desired polymer material, which could contaminate a PE plastic fraction to the point that it is unusable. Most of the material to be processed at the new Bochum


Left: Sortation by Remondis in Germany using Steinert


technology


IMAGE: STEINERT


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