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.
“It is a very rich resource,” he told TechCrunch. “If you attack with the right chemistry, it can be very profitable.”
Originally reported by TechCrunch. Read the full story at the original source.
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