Rio Tinto enters scandium market with construction of new plant in Canada


14 January 2021

SOREL-TRACY, Canada – Rio Tinto will become the first producer of high-quality scandium oxide in North America, with construction of a new commercial scale demonstration plant underway at its Rio Tinto Fer et Titane (RTFT) metallurgical complex in Sorel-Tracy, Quebec.

RTFT expects to begin commercial supply of scandium oxide in the second quarter of 2021. With its world-class aluminium business, Rio Tinto is also well positioned to produce aluminium-scandium alloys to meet customer’s needs.

Rio Tinto is investing US$6 million for the construction of a first module in the plant, with an initial capacity to produce three tonnes of scandium oxide per year, or approximately 20% of the current global market. The Government of Quebec is contributing approximately US$650,000 to the project through the Quebec Plan for the Development of Critical and Strategic Minerals. The new plant will have the ability to add further modules in line with market demand.

RTFT developed an innovative process it has proven at pilot scale to extract high purity scandium oxide from the waste streams of titanium dioxide production, without the need for any additional mining at its ilmenite mine in Havre-Saint-Pierre, Quebec.

Scandium oxide is used to improve the performance of solid oxide fuel cells, which are used as a power source for data centres and hospitals, as well as in niche products such as lasers and lighting for stadiums or studios. It is also used to produce high-performance aluminium-scandium master alloys for the aerospace, defence and 3D printing industries.

Rio Tinto Iron and Titanium managing director Stéphane Leblanc said “We are proud to offer North America’s first reliable supply of scandium oxide using an innovative and sustainable process, with the construction of this new plant. Rio Tinto has been engaged in the exploration and production of rare earths and critical minerals globally for a number of years, to meet the demand in new and emerging technologies. With the support of Rio Tinto’s aluminium business, we are uniquely positioned to deliver aluminium-scandium master alloys and develop synergies with North America’s manufacturing supply chain.”

Quebec Minister of Energy and Natural Resources Jonatan Julien said “RTFT's scandium oxide valorization project is a concrete example of how we can extract value from our mining wastes. It demonstrates our ability to innovate and seize business opportunities in a growing market as we strive to ensure secure supplies of critical minerals. This business has the potential to become a major scandium supplier outside China.”

Quebec Minister of Economy and Innovation Pierre Fitzgibbon said The step just taken today by Rio Tinto Fer et Titane has the potential to position Quebec as a world leader in the extraction and commericalisation of scandium. With this project, Quebec will become the largest producer of this rare metal, which will have a major impact on our exports and Quebec’s supply chains, particularly in key sectors such as the electrification of transportation and aerospace. I commend the entire RTFT team for this project, which combines innovation and responsible use of our resources.”

Both the high quality scandium oxide and aluminium-scandium master alloy will be commercialized under the business brand name Element North 21. To learn more, visit www.elementnorth21.ca

 

Notes to editors

Rio Tinto Fer et Titane (RTFT) operates an open cast ilmenite mine at Lac Tio near Havre-Saint-Pierre, on Quebec’s North Shore. The ore is then sent by boat to its metallurgical complex in Sorel-Tracy, Quebec, where high-quality titanium dioxide feedstock, pig iron, steel and metal powders are extracted.

Together, the sites employ over 1,600 people.

RTFT has operated in Quebec for 70 years and pioneered the process of removing iron from ilmenite. In the last decade, RTFT has focused on developing, marketing and fine-tuning the UGS process, which produces slag with a very high titanium dioxide content sold to pigment producers.

Founded in 1967, RTFT’s Research & Development Centre conducts research on process improvement and develops new products. The Centre features state-of-the-art equipment and highly specialised instruments, such as inductively coupled plasma spectrometers, X-ray machines, atomic absorption units, gas and image analysers and scanning electron microscopes.

 

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