KHS tackles challenges posed by sustainable packaging
The global debate on packaging waste product, the associated utilise of resources and increasing regulatory pressure take intensified the call of the beverage industry for new, culling packaging systems. Concerns not only focus on saving resources in the product procedure but chiefly on the packaging itself. PET containers and plastic packaging are currently in focus. The priority is to reduce and recycle the same. KHS supplies dedicated systems to meet these criteria and has at its disposal a wealth of expertise with which it strongly assists its customers in their striving towards greater sustainability.
KHS has been a partner to the potable industry for 150 years and understands its needs. The field of study of sustainability has prevailed for a long time in this sector. On one hand, at that place are climate goals to be met – or specifically, a steady reduction of the carbon footprint in potable production to be achieved through the evolution and utilize of systems which increasingly save on energy and resources. On the other, greater importance is being given to devising innovative packaging mechanism, which is beneficial to drink producers and consumers alike. The way to produce ever more sustainable primary and secondary packaging involves 2 major lines of approach: recycle and reduce. In the first, packaging material is to be kept in constant apportionment. In the 2nd, many unlike ways are to be found of using less and less packaging material in lodge to save on resources and avoid waste. KHS pursues both of these objectives and offers specific technologies to this end.
FreshSafe PET: The but fully recyclable barrier organization
One large step towards engineering a strong, efficient and thus sustainable circular economy is to improve the recyclability of PET bottles to such an extent that they are suitable for bottle-to-canteen recycling. Fruit juice bottles in particular oftentimes comprise multilayer, composite or scavenger materials which are designed to protect sensitive beverages from external influences such as oxygen pickup. The additives mentioned earlier contained in the preforms often testify a hindrance to pure-grade recycling, nevertheless, and thus to their use in full bottle-to-bottle recycling. With FreshSafe PET – a patented plasma coating organization – KHS provides the only accredited fully recyclable barrier system to date which significantly increases recycling quotas for PET drinkable packaging with enhanced product protection earth over. This has been confirmed past a number of recycling associations such as the EPBP and APR.
In the higher up process, the inside of the PET container is coated with a wafer-sparse protective layer of silicon oxide (SiOx) or chemically pure drinking glass. This engineering replaces the additives otherwise required. It guards sensitive products such every bit fruit juice and nectar against the penetration of oxygen and other substances and conspicuously reduces whatsoever additional loss of CO2 from carbonated beverages. The taste is retained, the beverages take a longer shelf life and full recyclability is ensured by this process.
Growing demand for rPET container systems
Another way of further improving the ecobalance is to increase the amount of recyclate or rPET used in PET containers – in some cases up to 100%. KHS provides the technology for this pick. For example, in cooperation with bottler Mineralbrunnen Allgäuer Alpenwasser, preform manufacturer Plastipack and Berlin startup share the systems, supplier has developed a 0.5-liter and 1.0-liter PET bottle made completely of recyclate which has also been launched in the marketplace successfully. "Manufacturing a PET canteen from 100% recycled PET is possible – even so the devil lies in the detail. We have to arroyo this from a number of different angles," says Arne Wiese, product director for Bottles & Shapes at KHS Corpoplast in Hamburg, Germany. "Chemically recycled PET yields qualities which exactly lucifer those of virgin PET. There are no restrictions hither." Nevertheless much of the rPET used on the market is PET cleaned in vacuum conditions. "Hither, qualities vary depending on the method of production," explains Wiese. All the same, the quality of the rPET affects the bottle stability and weight. This means that the poorer the quality of the recyclate, the more stable the canteen has to be. This tin be achieved by either increasing the weight of the bottle or optimizing the preform.
Full concept Bottles & Shapes
The touch the use of recyclate in different quantities and qualities has on the stability and weight of the bottle is taken on lath, in order to positively influence the ecobalance. "This calls for a wealth of expertise which we can provide with our decades of experience," confirms Wiese. Moreover, KHS stretch blow molders have been optimized so that they can process preforms which contain up to 100% recyclate and, alternatively, biopolymer constituents.
Secondary packaging with a high savings potential
The KHS Competence Center for secondary packaging systems in Kleve, Germany, has long been working on alternatives to classic shrink flick. Many of these crave extensive testing on the machinery. "The greatest challenge for us is the processability of the packaging materials," says Karl-Heinz Klumpe, packaging product manager at KHS. "Shrink moving-picture show fabricated of recycled plastic demonstrates very unlike shrinking properties versus film made of new material. As an engineering science company we can't provide all the answers ourselves but instead have to coordinate closely with film manufacturers." KHS stages workshops with these partners in guild to do but that, where the participants aim to find out how the percentage of recyclate in film – as stipulated by the new German Packaging Law, for example – can be increased further.
Unique Nature MultiPack system
With the development of the Nature MultiPack, KHS already has a film-free pack in its portfolio. This reduced form of secondary packaging fifty-fifty makes conventional shrink pic on multipacks completely redundant. Hither, PET bottles or cans are held together by nothing more than several strong dots of adhesive which are easy to remove. A cocky-agglutinative carrying handle readies the pack for transportation. The dots of adhesive themselves do not impair the quality of the material to be recycled in whatsoever way whatsoever as they are easily removed during the recycling process.
"The current debate on packaging waste material has clearly further heightened our awareness for environmentally-friendly packaging systems," says Klumpe. KHS now offers many different market-proven systems – particularly for PET containers and secondary packaging – which have been proved to specifically help its customers in their try to exist more sustainable. "Nosotros all take the public discussion seriously and are working direct with all those companies involved on farther developments in an try to adjourn the pollution of our environment by plastic as much every bit we can with the help of our expert noesis and expertise," he adds. "In the cease we're all consumers and all of united states of america behave clear responsibleness for our own personal deportment."
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