Under which prerequisites can used plastic packaging be transformed into new raw material in the recycling cycle? This was the topic of a workshop conducted at packaging and film specialist Bischof + Klein (B+K) with Professor Gilian Gerke, Professor of Resource Management at Magdeburg-Stendal University. She discussed current research in packaging development, modern sorting technologies, recycling requirements and recycling management opportunities with development engineers and employees from B+K's sales, production, environmental protection and regulatory affairs departments.
99.5% of plastic packaging are utilised in Germany; 50.6% of the materials are recycled (GVM recycling balance 2014). According to Gerke, Germany is the leader in this. She viewed the significant increase in this rate, as demanded in the working draft of the new German recyclable material act, critically.
However, there is a great deal of potential for improvement, particularly as regards the quality of recycled material. Highly sensitive sorting facilities are able to efficiently identify different materials but the current trend towards black packaging, for example, is posing problems as this cannot be detected by near-infrared sensors. The addition of chalk in packaging film also leads to problems in the recycling process.
Gerke clearly stated how important the exchange of information between the various agents in the value added chain is: "I was delighted to receive your invitation. We can only achieve progress in the material cycle together."
Sustainability Manager, Angelika Kotscha, agreed wholeheartedly. She wants more impetus for the recycling cycle. Handling plastic material differently contributes to the sparing use of resources and also helps to combat the global problem of "marine litter".
Edited from press release by Angharad Lock
Read the article online at: https://www.worldcement.com/europe-cis/19012016/bischof-and-klein-plastic-packaging-workshop-2195/
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