Aluminium

A first in responsible aluminium

We are now offering Aluminium Stewardship Initiative (ASI) certified aluminium from all of our Canadian operations, through a ‘chain of custody’ spanning Rio Tinto’s Gove bauxite mine in Australia to its alumina refinery, aluminium smelters and casthouses in Quebec and British Columbia, Canada.

The ASI aims to create sustainability and transparency throughout the aluminium industry. It has developed the world’s first global Responsible Aluminium Standard, used to assess environmental, social and governance practices across the aluminium supply chain for responsible sourcing. This is the highest internationally recognised standard for robust environmental, social and governance practices across the life cycle of aluminium production, use and recycling. 

This certification gives our customers independent assurance that the metal they use to make aeroplane parts, cars, smartphones and other products has been made to standards that promote the protection of biodiversity, respect for Indigenous peoples’ rights, water management and low-carbon emissions. ASI also creates a traceability mechanism – the first of its kind for any industrial metal – so that companies like AB InBev can be sure that the aluminium they buy has been manufactured to meet ASI standards at every stage of the process.

The use of Aluminium Stewardship Initiative (ASI) Certified Aluminium is an important milestone towards reducing the impact that the world’s second most used base metal has on the planet.

Emissions-free aluminium through ELYSIS

In 2018, we launched ELYSIS, a partnership with Alcoa, supported by Apple and the governments of Canada and Québec. ELYSIS is further developing breakthrough technology that eliminates direct greenhouse gas emissions from the aluminium smelting process, replacing them with pure, clean oxygen. In Canada alone, if this technology were to be used at every smelter in the country, it could eliminate the equivalent of 6.5 million metric tonnes of greenhouse gas emissions – roughly equivalent to taking nearly 1.8 million cars off the road.

ELYSIS will work towards bringing this technology to the market at its Research and Development Centre, located within Rio Tinto’s Complexe Jonquière. ELYSIS has selected our Alma smelter in Saguenay-Lac-Saint-Jean, Quebec, for the first installation and demonstration of its inert anode technology at a commercial size of 450 kiloamperes (kA).

In November 2021, ELYSIS successfully produced aluminium without any direct greenhouse gas emissions at its Research and Development Centre using a full industrial design at a size comparable to small smelting cells operating in the industry today. In March 2022, Apple announced that they would purchase a first batch of commercial-purity aluminium produced at the Research and Development Centre to manufacture their new iPhone SE.

Work is now focused on accelerating the scale-up of the ELYSIS^TM technology towards the demonstration of even larger commercial-size cells in 2023. Construction of these prototype cells is now well underway at the end of an existing potline at Rio Tinto’s Alma smelter.

And in a step towards putting a fully traceable beverage can in the hands of consumers, in June 2022 we partnered with Corona Canada to launch of Canada’s first specially-marked, low carbon beverage can, manufactured by Ball Corporation. The cans, now available through a pilot in Ontario, use Rio Tinto aluminium and leverage ELYSIS^TM technology. As part of this limited release, the 1.2 million cans produced have a QR code printed on them to inspire consumers to learn more about the cans’ low carbon footprint.

Work is now focused on scaling up ELYSIS^TM technology for even larger commercial-size cells, which should become operational in 2023. Construction of these prototype cells is now well underway at the end of an existing potline at Rio Tinto’s Alma smelter.

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