Rio Tinto and Alcoa announce world’s first carbon-free aluminium smelting process
A revolutionary process to make aluminium produces oxygen and replaces all direct greenhouse gas emissions from the traditional aluminium smelting process. Alcoa and Rio Tinto launch new joint venture, Elysis, for larger scale development and commercialisation of the process, with a technology package planned for sale beginning in 2024. Alcoa, Rio Tinto, the Government of …