48 TRADE SHOW REVIEW PETplanet Insider Vol. 22 No. 10/21 www.petpla.net Whether it is inhouse, postconsumer or bottle recycling: you can only close loops in a precise and profitable way if machines are perfectly tuned for the respective application. Count on the number 1 technology from EREMA when doing so: over 6000 of our machines and systems produce around 14.5 million tonnes of high-quality pellets like this every year – in a highly efficient and energy-saving way. WE DRIVE THE CIRCULAR ECONOMY. CHOOSE THE NUMBER ONE. VISIT OUR virtual showroom ShowHello! 2103029ERE_PETplanet.indd 1 24.03.21 09:54 energy savings of 10 kWh/t, a reduction in cooling water of up to 40%, and a reduction in fresh water for refi ll of up to 90%. As energy costs vary from region to region globally, plant operators need to calculate their cost savings individually. The system can be used to yield rPET with near-virgin properties. Because process heat is retained in the core of the pellets, crystallisation takes place uniformly from the core to the outside surface. By means of process optimisation, it is possible to achieve this crystallinity at small pellet sizes, making the rPET more compatible with virgin PET when blended. At the same time the higher bulk density of the rPET increases SSP capacity and reduces costs for transportation and packaging. Complete polymer processing systems Polymer processing systems for PET recycling - from gear pumps through in-line crystallising systems - are available individually, but there are benefi ts in sourcing them from a single company. Apart from the obvious one of reducing the number of interfaces during the engineering and purchasing phase, single-sourcing enables the supplier to design a system to maximise the effi ciency with which the various equipment components interact. For example, the pressure demands of the screen changer and pelletiser affect the selection of the gear pump. Another important advantage of working with a single supplier is that of using a single control or software solution to integrate the entire post-extrusion system. With UWPs, the operator can use a single interface on the pelletising system to access the extruder, feeding equipment, screen changer, and melt pump. To meet the surge in demand anticipated for rPET, the recycling industry will have to achieve massive increases in new capacity. Along with the extensive equipment needed for producing high-quality fl ake from post-consumer PET bottles, recycling companies will have to invest in extrusion and post-extrusion systems capable of yielding rPET with properties as close as possible to those of virgin material. In helping these companies to supply a fast-growing market for rPET, new-generation post-extrusion systems will be key to increasing productivity and profi tability. www.nordson.com
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