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An economical process with green hydrogen can be used to extract CO2-free iron from the red mud generated in aluminum production. The production of aluminium generates around 180 million tonnes of ...

A long-troubled bauxite refinery along the Mississippi River near Gramercy hit with a compliance order and threat of fines earlier this year is now facing a lawsuit in federal court from a regional ...

Red mud consists of up to 60% iron oxide. Melting the mud in an electric arc furnace using a plasma containing 10% hydrogen reduces it to liquid iron and liquid oxides, allowing the iron to be easily ...

Researchers have developed effective methods for neutralizing the hazardous, highly alkaline waste from aluminum production, known as red mud, while simultaneously using it to capture and store carbon ...

The production of aluminium generates around 180 million tonnes of toxic red mud every year. Scientists at the Max-Planck-Institut für Eisenforschung, a centre for iron research, have now shown how ...