Rio Tinto has partnered with the Australian Renewable Energy Agency (ARENA) to study whether hydrogen can replace natural gas in alumina refineries to reduce emissions, says in article published on their website.
FundingRio Tinto will conduct 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 aumina refinery in Gladstone.
Rio Tinto Aluminium Pacific Operations...
https://mfame.guru/rio-tinto-arena-study-hydrogen-to-replace-natural-gas-in-alumina-refineries/