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Metso and Rio Tinto to use microwaves for greener steel

Process uses biomass and microwave energy to convert Rio Tinto's Pilbara iron ore to metallic iron

Craig Guthrie

The contract is an extension of the partnership that Rio Tinto and Metso announced last December on the development of the BioIron process.  The partners said the effectiveness of BioIron has been successfully...

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