Coperion’s ZSK FilCo is designed to handle assorted flakes containing various impurities
IMAGE: COPERION
filters. The raw material only needs to be melted once which reduces the mechanical and thermal stress on the plastic when compared to conventional two-step processes. One added value this model provides is that the
throughput and screw speed can be set independently of one another. To achieve a constant throughput of 900 kg/h, for example, the extruder’s screw speed can vary. At low screw speed, the process is especially gentle on product and the Specific Energy Input (SEI) is low. At an increased speed, the mixing behaviour and SEI are higher. In both cases, the energy input and thus the stress on the plastic remain under 0.200 kWh/kg, which is in a similar range to that of new material processing. Moreover, the ZSK FilCo improves the efficiency of the recycling process as it allows continuous processing which reduces residence times in the recycling equipment. This not only makes the recycling process more economical, but ensures that more materials are processed within a specific timeframe.
AI-supported development In October 2024, Austrian company MAS presented the result of a short but intensive AI-supported development project, the MAS 110 extruder, which is now capable of delivering significantly higher output. In the case of PET recyclate, for example, 6 tonnes/hr can be processed. The MAS 110 is suitable for all types of plastics and can be used in a wide range of applications, including chemical recy- cling. Despite the leap in output, the new extrusion system is compact and can be easily integrated into larger recy- cling and compounding systems. It can also be used to upscale existing systems. AI-supported simulations were successfully used during the MAS 110 development process, which contributed to the relatively short time to market. The company said: “Development work and the close integration of artificial intelligence and human expertise are creating the basis for the next generation of MAS solutions. The MAS 110 can also add tangible and sustainable value to your recycling and upcycling applica- tions. Future developments in the MAS family will certainly not be long in coming.” The integration of smart technology is bringing change to the twin-screw extruder industry. Advanced sensors allow
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