Fast Metals is treating waste with more waste to extract critical minerals
TechCrunch | 29.07.2026 19:00
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.