ODOUR AND EMISSIONS | TECHNOLOGY
determined the optimal process parameters for pressurised water extraction. Dr Guru Geertz, who oversaw the project, says: “The results demonstrate the benefits of a systemic approach to solving current plastics technology issues with great social relevance.”
Developing the process further required gaining detailed insight into the chemical kinetics of the extraction, which was made possible by evaluating data using machine learning methods and is key to optimising extraction parameters in terms of the desired economical process control. At the current stage of development, an application scenario is said to be emerging. “The extraction process we have developed shows a way to reprocessed single-use plastics with an increased range of applications, and this serves to protect the environment,” Geertz summarised. The process is said to be equally suitable for industrialised, emerging, and developing coun- tries, so all market participants manufacturing plastic products can potentially benefit from it.
WEEE innovation Last year, Spain’s plastics technology institute
IMAGE: FRAUNHOFER IVV
Aimplas participated in the EU-funded NonTox project, which is aimed at developing new process- es to increase recycling rates. One of the project case studies consisted of recovery of ABS plastic from waste electrical and electronic equipment (WEEE). In the EU, the management of this type of waste is regulated by European directive 2012/19, which is driving implementation of selective collection systems to increase the rate of recovery and recycling to a target of up to 85%.
Above: Fraunhofer IVV is developing techniques to identify the most odour active
compounds in polymer compounds
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