University of Michigan researchers implement electrochemistry in PVC recycling breakthrough.
Thanks to a research team at the University of Michigan, there is now a promising new technique to recycle PVC.
The team at the University of Michigan led by Danielle Fagnani and Anne McNeil has discovered a way to use a component of the PVC that previously made recycling incredibly difficult by improving the method's efficiency. The components that make PVC so difficult to recycle are the various additives it can contain called plasticizers. Plasticizers are compounds added in the production process to make PVC more flexible and durable.
, “PVC usually contains a lot of plasticizers, which contaminate everything in the recycling stream and are usually very toxic. It also releases hydrochloric acid really rapidly with some heat.” The most detrimental of the plasticizers are phthalates, which are highly toxic to humans and known to our hormonal systems. When plastics are recycled by adding heat, the phthalates leach out. The method discovered by Fagnani and her team uses the toxic phthalates to decrease the energy input required and make the process more efficient overall.They did this by implementing an electrochemistry technique. Electrochemistry is the use of electrical energy to bring about non-spontaneous chemical reactions.
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