<ul><li>A new eco-friendly composite material made from graphene oxide and chitosan has been developed to extract gold from electronic waste.</li><li>The composite is 10 times more efficient than previous adsorbents, filtering gold without an external power source.</li><li>The combination of graphene's high surface area and chitosan's reducing agent properties enhances the gold recovery process.</li><li>The composite material shows high extraction efficiency, environmentally friendly properties, and potential applications in recovering other valuable metals and environmental cleaning efforts.</li></ul>

Eco-friendly graphene composite recovers gold from e-waste

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