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Researchers have developed a new method to extract high-quality iron using hydrogen plasma-based reduction to turn toxic red mud into iron that is pure enough for steelmaking.
Researchers have developed a new method for processing the waste created by aluminum production. The method extracts significant amounts of high-quality iron from the waste that can be used directly in steelmaking.
Wide adoption of this new hydrogen plasma-based reduction process could help to slash the environmental impact of both the aluminum and steelmaking industries, the researchers say. "Our process could simultaneously solve the waste problem of aluminum production and improve the steel industry's carbon footprint," said the study’s first author Dr.-Ing. Reference: Jovičević-Klug M, Souza Filho IR, Springer H, Adam C, Raabe D. Green steel from red mud through climate-neutral hydrogen plasma reduction.
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