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From Phys.org - latest science and technology news stories:
Mobile phone scrap can contain precious metals, such as gold and copper. VTT Technical Research Centre of Finland has developed a biological filter made of mushroom mycelium mats enabling recovery of as much as 80% of the gold in electronic scrap. Extraction of copper from circuit board waste, on the other hand, can be enhanced significantly by flotation the crushed and sieved material.
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Re: Filter Helps Recover 80% of Gold in Mobile Phone Scrap
