MATERIALS / RECYCLING PETplanet Insider Vol. 26 No. 04/25 www.petpla.net 36 MATERIALS / RECYCLING 36 Filtration effi ciency in PET recycling thanks to automated inline cleaning Simplified handling, economic efficiency Large-area filtration faces the stigma of high costs, maintenance efforts, and time-consuming changeover and cleaning activities. However, good filtration is unavoidable with increasing rPET proportions. BB Engineering has addressed these issues with its experience in extrusion and filtration. The new Cobra filter is claimed to combine continuous and automated large-area filtration with integrated intermediate filter cleaning – meeting the demanding requirements of recycling processes. Recyclers are facing a dilemma when it comes to filtration: increasing recycling quotas require handling lower-quality inputs with more challenging contaminants, while also targeting higher-quality applications that demand fine filtration. Some systems handle large contaminants but do not filter as finely as a candle filter, while candle filters provide excellent filtration but can struggle with high contamination levels. BB Engineering claims that its new Cobra filter can do both. It was specially developed for demanding filtration tasks with high levels of contamination, particularly in PET recycling. Cobra unites large-area fine filtration with simultaneous, fast and effortless cleaning, and is therefore able to handle higher contamination rates, which common candle filters would fail on, says BB Engineering. It can also be used for other applications, e.g. in synthetic fibre spinning. Rendering of BB Engineering’s new Cobra filter
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