Rio Tinto to study if hydrogen can reduce alumina refining carbon emissions

Rio Tinto has announced it will conduct a study into whether hydrogen can replace natural gas in alumina refineries to reduce emissions, it said on June 15.

Rio Tinto has partnered with the Australian Renewable Energy Agency (Arena) for the $1.2 million feasibility study, which will be equally funded with Arena through a $580,000 grant.
The study will look into using clean hydrogen to replace natural gas in the calcination process of refining at the Yarwun alumina refinery in Gladstone, Rio Tinto said.

"We're investing in work that needs to be done, not only to decarbonize one of our sites but also to help provide a lower-emissions pathway for Rio Tinto and the global aluminium industry," Rio Tinto Aluminium Pacific operations acting...

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