PARTNERSHIP CONTENT
systems, improves the colour of the processed material and keeps levels of acetaldehyde (a degradation product that can affect the taste of bottled liquids) low. The Vacurema system also creates a highly homogenous melt, even if input material has variable viscosity.
In conventional PET recycling systems, the extruder processing the bottle flake converts it into granules for processing at a later stage. This involves cooling the melt into a solid, cutting it up, drying it and later remelting it – processes that all require energy. But in the XTREME Renew process, the Vacurema extruder is connected directly with SIPA’s XTREME preform production unit, eliminating all of these steps. The advantages do not stop there: XTREME uses a highly innovative injection-compression moulding process to create ultralight PET preforms that perform just as well as conventional injection- moulded preforms.
Containers produced from the preforms boast a high level of aesthetics, thanks to the elimination of an entire melting process that could otherwise cause yellowing in the resin. XTREME Renew allows for bottle blowing to be carried out directly in line with the production of the preforms, providing more energy savings in preform cooling and reheating. Moreover, having separate preform and bottle production operations provides more flexibility for processors.
In any case, XTREME Renew technology is unique in its ability to produce top-quality bottles, suitable for food contact, directly from the flakes of post-consumer waste in a single heat cycle.
Social responsibility and recognition SIPA, so far, has sold XTREME systems to customers in six different countries. In Japan, to produce preforms for aseptically-filled bottles using rPET. In South Korea, a system will produce preforms for mineral water bottles. In the United Arab Emirates, production will be destined for juice bottles. In Poland, a system making use of PCR will soon be in operation, making preforms for bottles for water and carbonated soft drinks. In Brazil, detergent is being bottled in XTREME preforms, as they will in a system in Mexico. “This is a solution that represents the perfect response to the requirements of the new circular economy,” says Gianfranco Zoppas, president of SIPA. “Waste reprocessing is rendered sustainable and economical while producing new products of the highest quality.
“Social responsibility is the basis of a company’s mission,” Zoppas concludes. “Combining environmental sustainability and economic development is possible. Businesses need to help deliver a better world for future generations and that is just one more reason why we developed XTREME Renew.”
Xtreme Renew has great potential for downstream integration. It can be connected to a blow moulder and a filler, becoming Xtreme Renew Sincro Cube – from 100% rPET preforms to filled bottles. This creates the exceptional chance to produce preforms, blow and finally fill 100% rPET containers produced from hot-washed flakes. This is a unique opportunity for players to be totally compliant with the rules of a circular economy, saving energy, emissions and space. ●
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