New technologies could refine the copper the world needs — without the dirty smelting

Grist
By Maddie StoneDec 3, 2024, 4:45 am196 pts
At a laboratory in Newark, New Jersey, a gray liquid swirls vigorously inside a reactor the size of a small watermelon. Here, scientists with the mining technology startup Still Bright are using a rare metal, vanadium, to extract a common one, copper, from ores that are too difficult or costly for the mining…

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