Fast Metals is treating waste with more waste to extract critical minerals
- Fast Metals extracts critical minerals from aluminium's toxic red mud waste
- Process uses another refinery waste stream, raised $4.3M pre-seed funding
- Deal with Metalox to process one tonne of waste weekly this year
Fast Metals, a startup co-founded by Sumedh Gostu, has developed a chemical process to extract valuable critical minerals from red mud, the caustic waste left over from aluminium refining. More than 3 billion tonnes of this material sit in ponds and mounds worldwide, largely untouched until now because…