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Microwaving cords and cables: A recipe for copper and carbon black
Italian and Japanese researchers have developed a novel method to free copper wire from its PVC coating, by treating electric cables with microwaves. The technique could go a long way towards helping tackle the growing problem of e-waste.
Italian and Japanese researchers have developed a novel method to free copper wire from its PVC coating, by treating electric cables with microwaves. The result is that there are a lot of power cords snaking their way through landfills across the world, where they both add to a growing problem of pollution and hide within them a valuable resource: copper. Now, researchers from Sophia University in Japan and Università di Pavia in Italy have announced a new method that uses an inexpensive microwave process and the scientific principle of pyrolysis to deal with both issues.
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