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Extracting Pure Gold: Turning Electronic Waste Into Treasure


A fibrous adsorbent selectively recovers high-purity gold from waste. Dramatically reduces the cost and time of the recovery process and enables material to be mass-produced and repeatedly recycled. Korea relies on imports for most of its metal resources, and in recent years, due to resource depl

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ETH Zurich researchers have recovered the precious metal from electronic waste. Their highly sustainable new method is based on a protein fibril sponge, which the scientists derive from whey, a food industry byproduct