TechCrunch·3 min read·medium
Fast Metals is treating waste with more waste to extract critical minerals
T
Tim De Chant
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Startup Fast Metals has raised $4.3 million to develop a process that extracts critical minerals like titanium and rare earth elements from industrial aluminum waste. By using one waste stream to treat another, the company aims to make the recycling of 'red mud' economically viable.
Aluminum has left an indelible mark on the world — more than 3 billion tons of red mud, a waste product of the refining process, are currently stored in open-air ponds or mounds. But to Sumedh Gostu, co-founder and CEO of Fast Metals , there’s treasure in the caustic waste.
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