This Sponge Pulls Gold from Electronic Waste

image via New Scientist

October 29, 2024, 12:00 PM

• •A new sponge can efficiently collect gold from electronic waste.
• •The sponge is made of graphene and chitosan.
• •The sponge could eliminate the need for harsh processing methods used to recycle e-waste.

A new sponge can efficiently collect gold from electronic waste, eliminating the need for harsh processing methods. The sponge is made of graphene and chitosan, and it can collect gold from liquids with gold concentrations as low as three parts per million.

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