EXHIBITION PREVIEW | K2025 – MACHINERY
In the PET recycling sector, KraussMaffei Extrusion is using K2025 to show a high-performance twin-screw system based on the BluePower series for throughputs of up to 12 tonnes/hr. The concept responds to the increasing demand for higher output and more energy- and cost-efficient process- ing. Compared to conventional twin-screw systems, energy consumption can be reduced by up to 20%. The systems are compatible with standard SSP units and produce food-grade rPET. In chemical recycling, the company is focusing
Above: The IR-Clean system from Kreyenborg
ing where its uniquely customisable design for fast material and grade changes is a major advantage. �
www.gneuss.com
Fraunhofer IVV Institute for Process Engineering and Packaging is demonstrating how plastics can be successfully recovered from complex plastic mixtures at the K trade fair. With the solvent-based recycling process developed at Fraunhofer IVV, a wide variety of plastics from packaging, but also from the automotive, electronics, construction and textile sectors, can be recycled and processed into high-purity plastic recyclates. “Plastics from old electrical appliances that cannot be recycled today, as the plastic content in electronic waste contains many different types of plastic and additional hazardous substances such as flame retardants, can be recovered free of harmful substances using our process,” said Dr. Andreas Mäurer.
At the special “Plastics Shape the Future”
feature, Prof. Dr. Andrea Büttner, Head of Fraun- hofer IVV and Member of the Board of Manage- ment of Fraunhofer CCPE, will give a presentation entitled “Digitalization, modelling and AI: How much of it is needed in the material world?” on 11 October at the Plastics Europe booth in Hall 6/C40. �
www.ivv.fraunhofer.de
Kiefel is presenting the Speedformer KTR 6.2 Speed tilting thermoforming machine at K2025, which optimizes both material consumption and line performance. The machine produces high- quality cups, from a range of materials including recycled PET. Various rPET materials were tested in advance in close collaboration with film partner Coexpan. At the Kiefel booth, visitors will gain exclusive insights into test results. �
www.kiefel.com
26 PLASTICS RECYCLING WORLD | September 2025
on key technologies: high-performance extruders for processing material streams – for example, to produce pyrolysis oils – efficiently implement crucial process steps such as dewatering, degas- sing and the removal of impurities. Pressures of up to 200 bar and the retractable UltraGlide system with easy-to-maintain screws enable customized solutions for demanding recycling applications. KraussMaffei Extrusion has also refined its EdelweissTechnology for processing recyclates more efficiently, even with fluctuating material properties. The twin-screw extruder covers all process steps: degassing, filtering and compounding. With its newly developed PVC multilayer
pipehead, KraussMaffei Extrusion is demonstrating how pipe and profile extrusion can be made more sustainable and future-proof. The system processes up to 100% recycled PVC, even with varying material quality. The layer configuration can be flex- ibly adjusted depending on the application. A newly designed flow system prevents spiderlines and ensures consistent product quality with optimal material usage. �
www.kraussmaffei.com
Kreyenborg is presenting infrared technology at K2025 with a new control system, storage, and feeding systems, recycling solutions, and retrofit solutions for energy-saving. It is demonstrating both a continuous system and a batch version of its infrared rotary drum (IRD) at the K fair. To demon- strate the IRD a large monitor that provides a view into the interior, shows how the material in the rotating drum behaves under infrared light. For recycling post-consumer PET flakes the company has developed the IR-Clean system in addition to the IRD’s classic crystallization and drying. In this system, rPET flakes are heated from the inside to the outside in just a few minutes. The decontamination performance of the IR-Clean achieves a cleaning efficiency of over 95%, says Kreyenborg, meeting EFSA and FDA criteria and up to 100% of the treated material can then be used for food packaging.
www.plasticsrecyclingworld.com
IMAGE: KREYENBORG
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