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SIZE REDUCTION | TECHNOLOGY


Granulator firms innovate as needs increase


Size reduction may be their primary function, but granulators are increasingly required to meet the demands of the wider plastics circular economy. Mark Holmes reports on new developments


Granulators are no longer just required to perform a simple task of size reduction in plastics recycling. The growth of the circular economy in plastics is demanding increasingly sophisticated technical solutions to ensure the highest quality regrind, as well as energy efficiency and ease of cleaning and maintenance. Granulator manufacturers are meeting these challenges and designing machines that can fit seamlessly into both the production environment and recycling facilities for post-con- sumer waste and post-industrial scrap. Italian granulator manufacturer CMG is observ- ing an increasing demand for technologically advanced solutions. “Our aim is to support the shift to the new era of full circularity, allowing the highest degree of reintroduction of recycled material into the production line,” says Giorgio Santella, General Manager at CMG. “The main trends driving new developments in granulators include increased quality of the regrind, energy efficiency, optimised maintenance, and the lowest total cost of ownership. All of these support the many current circular economy integration pro- grams. The market for recycled plastics demands high quality materials, comparable to virgin ones. Old machines used by the recycling industry for decades do not have the features or characteristics suitable for these new applications. We are


www.plasticsrecyclingworld.com


investing significant resources and capital in the development of equipment and solutions specifi- cally designed for the circular economy.” CMG supplies granulators and shredders for six industrial application areas – thermoforming, extrusion, blow moulding, injection moulding and cables, as well as plastics recycling. Santella says the common features CMG customers look for are energy efficiency, minimal maintenance and the highest level of operational stability, along with reduced deterioration particularly for heavy duty applications. CMG has introduced the Evoluzione series of


heavy duty granulators for post-consumer recycling applications. The company says that the EV916 and EV616 models provide solutions in the most critical operating conditions, for wet or dry granulation. These require high performance characteristics, such as granulation capacity from 2,000 kg/h to over 5,000 kg/h, versatility, efficiency and sustain- ability. The Evoluzione series offers operational consistency and wear resistance to a higher degree, with construction involving the use of harmonic steel, Hardox and assembled modular structures. In addition, the cutting chamber is precisely constructed to allow much longer use of the blades when compared to conventional models. All Evoluzione models are equipped with


November/December 2020 | PLASTICS RECYCLING WORLD 15


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