Hydro and Rio Tinto partner on carbon capture technologies for aluminium smelters

30 Jan Hydro and Rio Tinto partner on carbon capture technologies for aluminium smelters

London, January 30, 2025, (Oilandgaspress) ––– Aluminium and renewable energy company Hydro and Rio Tinto will join forces to identify and evaluate available carbon capture technologies for future implementation in the aluminium electrolysis process. The companies have signed a partnership agreement that provides for the sharing of certain information, results and costs covering specific R&D activities from lab tests with external suppliers to larger, on-site pilots, with the aim of creating improved offerings of commercially viable carbon capture technologies from relevant suppliers.

Together the partners expect to invest approximately USD 45 million over five years to support this initiative, with most of the work conducted at Hydro’s facilities in Norway and Rio Tinto’s facilities in Europe. Beyond this collaboration, both companies will continue to pursue substantial decarbonization efforts independently.

Anode consumption during the electrolysis process accounts for approximately three quarters of a smelter’s direct CO2 emissions. For several years, scientists from Hydro and Rio Tinto have been exploring different carbon capture technologies as complementary solutions to help each company meet their climate targets, in addition to the development and scaling up of carbon free aluminium smelting technologies such as Hydro’s HalZero technology and Rio Tinto’s participation in the ELYSIS joint venture.

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