MATERIALS HANDLING
ARSENAL R
A RECYCLING
ecycling and compounding plastics is of increasing importance for many facilities
in the process industry; and this was a consideration that helped drive technology giant Coperion’s acquisition of German manufacturing company and recycling specialist Herbold Meckesheim in 2022 - the companies have gone on to release an arsenal of high-end recycling products. Herbold Mechesheim is now part of Coperion’s extensive recycling business unit and together they develop and produce machines and systems covering the entire production process: from shredding to washing and separating to drying of used, mixed and contaminated plastics such as plastic waste.
A look at how one company’s recycling and compounding products look set to change the plastics landscape
Since the merger, both companies have continued to develop and attune their technologies and report that their systems operate together with high eff iciency.
PET RECYCLING IS A KEY AREA OF FOCUS A key area of focus for the group
is Polyethylene Terephthalate (PET) recycling, and it recently demonstrated a virtual PET recycling product at the ChinaPlas 2024 tradeshow in Shenzhen. PET is a thermoplastic widely used and recycled across the world; it is prized for its thermo-stability and can be recycled up to seven times before thermal degradation undermines its crystalline structure. This stability has made this type of plastic the most recycled in the world (92%
of local councils in the UK are collecting PET for recycling). The coming introduction of the
‘Plastics Tax’ in the UK will be applied to every product made from plastic that contains less than 30% of recycled polymer. There are many other similar taxes internationally, and these will be a huge incentive for plastic manufacturers to use more recycled plastics in their products. .
THE STS 75 MC PLUS EXTRUDER A key plastic compounding technology from Coperion is the STS 75 Mc Plus twin screw extruder with its increased specifi c torque of 13.6 Nm/cm. This increased torque means the extruder can achieve up to 20% more throughput with markedly higher product quality meaning
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www.engineerlive.com The Coperion STS 75 Mc
Plus RGB
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