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Rio to trial hydrogen in alumina refining

Company aiming to reduce emissions

Kristie Batten
Rio Tinto's Yarwun alumina refinery in Gladstone

Rio Tinto's Yarwun alumina refinery in Gladstone

Rio will conduct a A$1.2 million feasibility study, equally funded with ARENA through a $580,000 grant, into using clean hydrogen to replace natural gas in the calcination process of refining at the Yarwun...

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