Tag Archives: Rio Tinto

Aggreko solar power, BESS solution to help Rio Tinto cut Weipa Scope 2 emissions by 10%

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Aggreko has successfully won the bid to build, own and operate a 12.4 MW solar farm and 8.8 MW/2.1 MWh Battery Energy Storage System (BESS) under a long-term power purchase agreement for Rio Tinto’s Amrun project in Weipa, 800 km from Cairns in far north Queensland.

Rio Tinto said the project, which will supplement power currently supplied by Aggreko’s diesel generators, will help it reduce Scope 2 emissions at its Weipa operations by up to 10%.

Once operational, Aggreko’s 12.4 MW solar farm and BESS are expected to reduce Amrun’s diesel electricity consumption by 37% or approximately 5.5 million litres of diesel fuel per year. This will reduce annual CO2 emissions by approximately 14,000 t, which is the equivalent of taking 3,100 internal combustion engine cars off the road.

Rio Tinto General Manager Weipa Operations, Shona Markham, said the miner is committed to delivering sustainable, low-carbon bauxite to its customers.

“The construction of the Amrun solar farm and BESS, which is located on Wik and Wik-Waya Traditional lands, is an important milestone for Weipa operations and will contribute to Rio Tinto’s commitment to reduce operational greenhouse gas emissions,” she said.

The remote location and power effectiveness made Aggreko the ideal company to build, own, operate and maintain the Amrun solar farm, it said. Aggreko’s capabilities will ensure Rio Tinto has constant and efficient energy for critical applications and day-to-day use at Amrun.

George Whyte, Managing Director of Aggreko Asia Pacific, said his team has delivered many similar applications and the focus now is completing the job on time and safely.

“At Aggreko, we pride ourselves on our exceptional safety record,” Whyte said. “The existing power stations’ performance is essential for all Weipa operations, and as we look into the future, we are confident that the introduction of solar will help both companies achieve our decarbonisation targets.”

Early works have commenced on the Amrun solar farm, which is expected to be operational by early 2025, with no interruption to local power services. Once completed, the Amrun solar farm will provide around 21 GWh/y of renewable power.

Rio Tinto completed the commissioning of the Amrun bauxite mine in 2019. The mine and associated processing and port facilities replaced production from Rio Tinto’s depleting East Weipa mine, increasing annual bauxite export capacity by around 10 Mt at that time.

Rio Tinto looks for commercial uses of Aymium renewable biocarbon products

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Rio Tinto and Aymium have partnered to develop and trial a renewable biocarbon product for use as an alternative resource to reduce emissions in large scale industrial processes.

The product has been successfully trialled as a replacement for anthracite used in ilmenite smelting processes at Rio Tinto’s metallurgical complex in Sorel-Tracy, Quebec, a leading producer of high-grade titanium dioxide feedstock as well as iron and steel for specialised applications.

In a strengthening of the partnership, Rio Tinto has made a further equity investment in Aymium following its participation in a funding round in 2022. The second investment is part of Rio Tinto’s support for innovations needed to meet its 2030 emission reduction targets and deliver lower carbon supply chains.

The partners will now be working together on options for large-scale production of a biocarbon product.

Rio Tinto Minerals Chief Executive, Sinead Kaufman, said: “We are delighted to work with Aymium to develop and trial this renewable biocarbon product that has real potential as an alternative, low carbon resource for our processes. We are investing to deepen our partnership, as part our commitment to finding better ways to decarbonise our operations and the supply chains we are part of.”

Aymium CEO, James Mennell, said: “Our mission is to accelerate the transition away from fossil fuels and minimise our environmental impact. We are delighted about Rio Tinto’s follow-on investment as it will further advance our global mission to create bioproducts with enhanced performance and achieve ambitious emissions reduction targets.”

Funds from this investment will be directed towards advancing the construction of Aymium’s new production facilities in North America and supporting its research and development initiatives.

Aymium produces high-value biocarbon and biohydrogen products that, Rio Tinto says, can be used to immediately replace fossil fuels in the production of metals, energy, crops, and in the purification of water and air with no modifications to equipment or processes. Produced using biomass – recovered and unusable wood – Aymium’s bioproducts are renewable, carbon-negative and replace emission-heavy fossil fuels such as coal and coke, according to the company. Aymium’s technology is backed by more than 350 issued or pending patents on a global basis.

Riino zero-emission monorail haulage system receives mining company backing

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Riino, a company incorporating technology influences from monorails, subway systems and the mechanised raise climber, is a step closer to bringing its zero-emission material movement concept to reality, having signed up three mining company backers for a technology scoping study, utilising a consortium approach, supported by the Canada Mining Innovation Council (CMIC).

Agnico Eagle Mines, Rio Tinto and Vale are now all part of a CMIC-backed consortium pushing the Riino project forward under CMIC’s Surface Mining Alternative Haulage project. In addition, Riino has also been successful in achieving funding as part of Canadian government backing through the Mining Innovation Commercialization Accelerator Network.

Riino is an innovative monorail haulage system targeting the reduction of the industry’s carbon emissions and achieving net-zero goals, CMIC says. It is designed to receive its power from internal, train-mounted motors as well as auxiliary on-board batteries for a complete electric and automated operation.

The Riino concept originated out of President and CEO Aaron Lambert’s experience as a contract miner in Sudbury – a role that saw him interact and engage with many different technologies.

The standard 120-t (18% grade) or 400-t payload numbers used by Riino have been influenced by existing underground or open-pit mining profiles

Lambert has been working on Riino for several years, with the initial plan to produce a system that is both capex- and opex-efficient. The headline numbers associated with this are a targeted 50-80% reduction in haulage operating costs.

As time has gone by, the zero-emission element has created a further selling point for Riino, encouraging mining companies to consider its use alongside a host of other ‘green’ haulage alternatives to the standard diesel-powered truck and shovel fleet.

All three of the mining companies attached to the ongoing scoping study have been interrogating the data and designs Lambert and his team have assembled over recent months, and are now pledging financial resources to wrap some in-depth numbers and technical data around what it will take to build a prototype to a sufficient technology readiness level.

To this point, the power requirements for Riino have been based off existing specifications for both open-pit and underground mines. The standard 120-t (18% grade) or 400-t payload numbers have also been influenced by existing underground or open-pit mining profiles.

“We’ve had great early engagement from mining companies since we started the Riino project, and the latest backing from Agnico, Rio and Vale is tangible evidence of that,” Lambert told IM.

The three mining companies and Riino are currently engaged in this four-month study, which will be concluded by the end of this year. The idea is to then engage in another staged development process that could result in a full-scale prototype being built for testing at a location in Sudbury, owned by Rainbow Concrete Industries.

Trevor Kelly, Innovation Manager at CMIC, said: “We see the scoping study as a good opportunity for the industry to look at this solution. It offers a low-cost entry point and definitive outcome to enable companies to get involved initially, quickly. As with many other CMIC projects, we work with entrepreneurs and mining companies to find the ‘sweet spot’ between what money and resources are available, matching that to a relevant technology scope.

“As a result, it gives Riino and the mining companies a view on the potential of this technology and the possible paths forward.”

Gary Molloy, Innovation Manager at CMIC, added on the scoping study: “At this stage, it is all about building confidence in your company and your product.”

Each Riino locomotive – of which there are several making up a system – has internal, train-mounted motors to offer optimal driveline power across the system. These locomotives also come with wheels that have full attachment to the rails – via load-bearing, side-attachment and under-attachment wheels – similar to that of a rollercoaster. This eliminates the potential for train derailments, according to Lambert, saving potential system damage as well as downtime.

The inclusion of a Busbar able to provide 750 V of DC power comes out of the subway and surface transit space, meanwhile.

On top of this, the system has auxiliary on-board batteries to eliminate a significant amount of electrical infrastructure such as power cables and additional sub-stations.

This makes for a system able to offer speeds of up to 80 km/h, transport material lump sizes up to -760 mm, carry 120 t on a standard 18% incline road/ramp and navigate road widths of 1.8 m.

The Riino system has auxiliary on-board batteries to eliminate a significant amount of electrical infrastructure such as power cables and additional sub-stations

Lambert concluded: “Riino’s ambitious journey to revolutionise material movement in mining has gained substantial momentum and is swiftly progressing toward realisation.

“This pivotal phase, marked by rigorous study and financial commitments, aims to propel Riino towards a prototype build, positioned for testing in Sudbury. With a scoping study drawing to a close by year-end and subsequent developmental stages on the horizon, Riino stands poised to redefine mining logistics, offering a glimpse into a greener, more efficient future.”

Rio Tinto and Codelco formalise Nuevo Cobre joint venture

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Rio Tinto has today completed the acquisition of Pan American Silver’s stake in Agua de la Falda and entered a joint venture with Corporación Nacional del Cobre de Chile (Codelco) to explore and potentially develop the company’s assets in Chile’s prospective Atacama region.

The acquisition, announced on August 1, 2023, comprises a 57.74% operating stake in Agua de la Falda for $45 million and the grant of net smelter returns royalties. It paves the way for Rio Tinto and Codelco to start its joint exploration project at the asset.

Jakob Stausholm (left), Rio Tinto Chief Executive, and Maximo Pacheco (right), Chairman, Codelco, today met in Tokyo to formalise the new joint venture, which will be known as Nuevo Cobre (New Copper).

Stausholm said: “Chile is one of the most important sources of the copper and other critical minerals the world needs to deliver the energy transition and achieve net zero. With this partnership, we are bringing together our complementary experience and capabilities. Codelco’s local knowledge and expertise is second to none and we have a global track record in exploration. I am very much looking forward to getting our work on the ground started.”

Pacheco said: “This is an unbeatable opportunity for Codelco and Rio Tinto to join our knowledge, experience, strengths and capabilities to accelerate exploration and development of these assets to contribute the copper that the world needs for its energy transition. We are very pleased to formalise this partnership with Rio Tinto and acknowledge our mutual commitment to following the best standards of health, safety, community relations and care for the environment.”

Agua de la Falda has previously been explored for precious metals with minimal modern exploration for copper. Analysis by Rio Tinto Exploration indicates it is prospective for new copper discoveries, which will now be the focus of the joint venture.

The partnership builds on a collaboration agreement between the two companies signed in October 2022, aimed at encouraging innovations and technology to improve safety, productivity and environmental, social and governance outcomes in underground mining.

Fleet Space’s new EXOSPHERE features to enhance agility, accuracy of customers’ exploration efforts

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Fleet Space Technologies, a leading Australian space company, has announced three innovative features to its mineral exploration technology, EXOSPHERE BY FLEET®, each purpose-built to enhance the agility and accuracy of data-driven exploration efforts worldwide.

Starting today, for all in-progress or future surveys, exploration customers will be able to download several new data intelligence assets on-demand from the ExoSphere platform that will deliver greater insights into ambient noise conditions, data quality and confidence levels across different parts of their 3D model, the company says.

Leveraging Fleet’s constellation of low Earth orbit satellites and the latest advances in passive seismic array technology, EXOSPHERE has rapidly disrupted the mineral exploration industry by reducing the time it takes to receive an actionable 3D model of a survey area from months or years to a matter of days – with near-zero environmental impact, Fleet says. Over 30 global exploration companies have used the technology to conduct surveys on a variety of commodity types across 5 continents, including Rio Tinto, Barrick Gold and Core Lithium, among many others.

Flavia Tata Nardini, CEO of Fleet Space Technologies, said: “We have arrived at an inflection point in humanity’s journey towards renewable energy. The mineral exploration industry is on the brink of unprecedented transformation as shallow discoveries are exhausted and demand for critical minerals needed for the energy transition continue to intensify. Fleet’s space-enabled EXOSPHERE technology has demonstrated a path to scale critical mineral exploration globally while also helping to reduce environmental impact, which is the only approach that will enable humanity to reach its net-zero ambitions over the coming decades.”

Traditionally, data acquisition and processing from geophysical surveys can take years or months before they can be leveraged as part of any exploration campaign. This has made it difficult for field teams to make quick operational decisions on-site and home in on new waves of discoveries. As global demand for critical minerals intensifies, advances at the intersection of space technology and geophysics are helping the exploration industry to become more data-driven and agile in a rapidly changing landscape, the company says.

Fleet brings together the benefits of satellite connectivity, remote geophysical data acquisition, and near real-time data processing to deliver actionable 3D models of the Earth’s subsurface for customers around the world, it says. With today’s announcement, Fleet has added several new features to its ExoSphere platform which include the Sensitivity Model, Data Processing Report, and Source Data Pack.

Customers can now access a Sensitivity Model (pictured above) to help them visualise and quantify confidence levels for every 3D model that is generated. This will provide customers with a relative indicator of the likely resolution and quality across different parts of the model, highlighting areas on a spectrum from higher to lower confidence. Ultimately, the Sensitivity Model will give customers an enhanced view into the confidence levels about potential subsurface findings in addition to areas of the model that would benefit from further surveying.

Featuring 14 technical charts, data processing parameters, and an explanatory narrative, the Data Processing Report is designed to give customers enhanced insight about the ambient noise conditions of the survey, data quality, and the steps taken to generate their 3D model.

Edge-processed data from the passive seismic sensors, called Geodes, used within a customer’s survey area will be downloadable on-demand from the ExoSphere platform as a Source Data Pack. This will enable customers to re-process the data using different geophysical tools or update their existing 3D velocity model with additional insights they unlock as part of their exploration efforts in the future.

Hemant Chaurasia, Chief Product Officer at Fleet, added: “Space-enabled technologies in the field today will profoundly shape the future of mineral exploration. With over 150 EXOSPHERE surveys completed across five continents, it’s clear that near-real time access to 3D velocity models, combined with these new EXOSPHERE features announced today, are unlocking new data-driven approaches that reduce the time, resources, and trial-and-error needed to build valuable subsurface insight and accelerate mineral discovery. This will be critical for the mineral exploration industry as we work towards the renewable energy future that our world so desperately needs.”

Monadelphous banks work with Lynas Rare Earths, Fortescue, BHP and Rio Tinto

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Monadelphous Group says it has secured new construction and maintenance contracts and contract extensions in the resources and energy sectors totalling approximately A$170 million ($108 million), including pacts with Fortescue, BHP and Rio Tinto.

First up, the company has been awarded a construction contract with Lynas Rare Earths for stage 1 of the Mt Weld Expansion project (pictured), near Laverton in the Goldfields region of Western Australia. The scope includes structural, mechanical and piping works associated with the new concentration facility.

The engineering firm has also secured a multidisciplinary construction contract to undertake a series of upgrades at Fortescue’s Anderson Point iron ore stockyard in Port Hedland, Western Australia.

BHP has, meanwhile, extended Monadelphous’ master services agreement for the provision of general maintenance services to its iron ore operations in the Pilbara region of Western Australia through to June 30, 2025. The award also contains an additional one-year extension option. The company has also secured a one-year extension to its mechanical and electrical maintenance, shutdown and project services contract across BHP’s Nickel West operations in Western Australia.

Finally, Monadelphous has secured a one-year extension to its sustaining capital works master services agreement with Rio Tinto providing multidisciplinary project services across its Pilbara iron ore operations in Western Australia.

Rio Tinto, Yindjibarndi Energy Corp sign renewable MoU for Pilbara operations

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Rio Tinto and Yindjibarndi Energy Corporation (YEC) have signed a memorandum of understanding (MoU) to explore opportunities to collaborate on renewable energy projects on Yindjibarndi country in the Pilbara region of Western Australia.

The two companies will study and evaluate a range of opportunities including wind and solar power as well as battery energy storage systems. The initial focus is on rapidly exploring the potential development of a solar power generation facility for the supply of energy to Rio Tinto.

Rio Tinto operates four gas-fired power stations in the Pilbara. About 600 MW to 700 MW of renewable generation is estimated to be required to displace the majority of gas use across its network. The company is currently assessing the development of approximately 300 MW of solar projects. The collaboration opportunities currently being explored by Rio Tinto and YEC, if progressed, would be complementary to renewable energy developments on Rio Tinto Iron Ore’s electricity grid.

YEC was established in June following an agreement between Yindjibarndi Aboriginal Corporation (YAC) and renewable energy developer ACEN Corporation (ACEN) to progress the development of major renewable energy projects on Yindjibarndi Ngurra (country) – an area covering approximately 13,000 sq.km within the Yindjibarndi Native Title Determination Areas.

YEC’s initial plans include a Stage 1 target of 750 MW of combined wind, solar and battery storage with construction to commence within the next few years. The collaboration opportunities being considered by Rio Tinto and YEC relate to some of these Stage 1 projects.

YAC Chief Executive, Michael Woodley, said: “Yindjibarndi Ngurra is ideally suited to developing renewable energy generation and our people are encouraged by Rio Tinto’s interest in building this capacity with us. This will strengthen our existing partnership and provide long term benefits for our community, while also ensuring that we can protect and preserve the areas of cultural, spiritual and environmental significance within our Ngurra.”

ACEN International CEO, Patrice Clausse, said: “This MoU signifies more than just a partnership; it’s a testament to the shared vision of sustainable energy development on Yindjibarndi Ngurra. It is the perfect blend of traditional significance and modern technology, designed to harness the limitless potential of the Pilbara’s sun and wind, while respecting the deep-rooted connection of the Yindjibarndi people with their land.

“Together, we are crafting an energy future that is not only renewable, but also renewing, by empowering local communities and contributing to a greener future.”

Rio Tinto Iron Ore Chief Executive, Simon Trott, said: “We are focused on repowering our Pilbara operations with renewable energy through the end of this decade and beyond by replacing gas and diesel with clean energy alternatives. The Pilbara is blessed with abundant year-round sunshine and strong winds at night, making it one of the most attractive places in the world to harness solar and wind power for energy generation. We’re excited to be deepening our partnership with the Yindjibarndi People through this agreement and look forward to working closely with them.

“We recognise we have a large carbon footprint in the Pilbara and are exploring a number of innovative solutions to help address this, including future collaborations with other Traditional Owner groups in the region.”

Rio Tinto has committed to reducing its Scope 1 and 2 emissions by 50% by 2030 across its global operations, with an estimated $7.5 billion planned to be spent on decarbonisation projects, predominantly in the second half of the decade. These projects will support a longer-term ambition of net-zero emissions by 2050.

Rio Tinto’s rail network, which connects its Pilbara mines to ports at Cape Lambert and Dampier in Western Australia, traverses Yindjibarndi Country. Rio Tinto has held a Participation Agreement and Indigenous Land Use Agreement with YAC, the representative body for the Yindjibarndi people, since 2013.

Last year, Rio Tinto and YAC signed an updated agreement aimed at strengthening ties and delivering improved social and economic outcomes for the Yindjibarndi people. The agreement reflects a joint commitment to work together to create more opportunities for the Yindjibarndi people to participate in Rio Tinto’s operations, including direct and indirect employment opportunities, and build sustainable long-term benefits to the community.

Resourcing Tomorrow

Major miners join Resourcing Tomorrow lineup

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Representatives from the world’s largest mining companies Anglo American, BHP, Glencore, Rio Tinto and Vale have confirmed their attendance for this year’s Resourcing Tomorrow event, in London, event organisers say.

These attendees will join other leading mining companies including AngloGold Ashanti, Antofagasta Minerals, Barrick, B2 Gold, Eldorado Gold, Endeavour Mining, Freeport-McMoRan, Newmont, Sibanye-Stillwater and Teck Resources.

As Europe’s largest mining event, Resourcing Tomorrow: Accelerating the Energy Transition takes place in London on November 28-30 and is poised to be yet another agenda-setting edition for the industry, fostering collaboration and knowledge exchange among professionals in the field, event organisers say.

Resourcing Tomorrow unites all stakeholders in the mining industry, including global mining and energy companies, investors, government delegations, researchers, educators, regulators, suppliers and operators. The conference program will provide 100-plus sessions in which all of the aforementioned miners will participate, giving attendees the opportunity to engage and network with leaders and industry specialists from around the world.

The event will draw participants from more than 100 countries, including Australia, USA, UK, Canada, India, Brazil, South Africa, Ghana, Chile, Nigeria, Peru and Germany, demonstrating its international appeal and the global significance of the mining industry, organisers say.

With the increasing pace of change and emerging technologies in the mining industry, Resourcing Tomorrow will focus on the future of our industry and presents a unique opportunity for international representatives of the world’s leading resource economies to meet, find new partners, discuss current challenges, and share the latest research, technology and best practice.

International Mining is a media sponsor of Resourcing Tomorrow.

Rio Tinto completes 5 MW solar power plant build at Kennecott

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Rio Tinto has completed construction on a new 5 MW solar power plant at its Kennecott copper operation in Utah, USA, with commissioning expected in the coming weeks.

The 12,800 solar panel power plant will enable Kennecott to reduce its operational emissions by 3,000 t/y of carbon dioxide equivalent, Rio Tinto says. It will also serve as a pilot project with the goal of expanding Kennecott’s solar energy supply in the future.

Shifting to sustainable energy solutions is a priority for Kennecott, the company says. The mine closed down its coal-fired power plant in 2019, moving to electricity paired with renewable energy certificates. This resulted in a 65% reduction in its carbon footprint and the elimination of over 1 Mt/y of carbon dioxide output.

Rio Tinto Kennecott Managing Director, Nate Foster, said: “Rio Tinto Kennecott has a key role to play in supporting the energy transition. We supply US companies with the copper and tellurium they need to produce solar panels, wind turbines, and conductors. We also continue to take steps to further decarbonise our business, from our battery-electric vehicle trial to our renewable diesel trial and now to our very own solar plant.”

The location of the 30-acre (12.1-ha) solar array was carefully selected to minimise visual and environmental impacts, Rio Tinto says. It is adjacent to other existing industrial operations, away from residential and commercial zones, with earthen berms from the railway providing a visual barrier to most of the installation.

Last year, Rio Tinto started producing tellurium as a by-product of mining and refining copper at Kennecott, becoming one of only two US producers of this critical mineral. Both copper and tellurium are vital components of photovoltaic solar panels. The tellurium from Kennecott is refined by 5N Plus, a producer of specialty semiconductors and performance materials, before being supplied primarily to First Solar for use in its solar panels.

Rio Tinto aims to reduce its global Scope 1 and 2 emissions by 50% by 2030 and to achieve net zero emissions by 2050.

Rio-BinghamCanyon

Fortune Minerals, Rio Tinto join forces to improve cobalt and bismuth recoveries

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Fortune Minerals and Rio Tinto have agreed on a collaboration to develop technology that will improve recovery of the critical minerals cobalt and bismuth.

Under a Memorandum of Understanding (MoU) signed between the companies, testing will be done at Rio Tinto Kennecott’s integrated copper mining and smelting operations in Utah and at Fortune’s planned Alberta Refinery.

The partnership aims to maximise the value of critical mineral supply chain investments and increase Fortune’s planned cobalt and bismuth refining operations to process co-product streams of the minerals recovered from the Kennecott smelter, Fortune said.

In 2020, the Canadian and U.S. governments signed a Joint Action Plan on Critical Mineral Collaboration to enable more North American production of the critical minerals needed in new technologies. Cobalt and bismuth are both included in this list and are used for sustainable energy resources. Fortune and Rio Tinto are pleased to establish this partnership and work together to expand North American supply chains, they said.

Robin Goad, President and CEO of Fortune Minerals, said: “Working with Rio Tinto to recover metals from their co-product streams is part of our corporate strategy to expand production of critical minerals, and we are excited to be working with one of the world’s premier mining companies on the first of these opportunities. This collaboration could provide a solution to support greater production of the metals needed for the energy transition and growing sustainable economy.”

Rio Tinto Kennecott Managing Director, Nate Foster, commented: “We are committed to find better ways to provide the materials the world needs to grow and decarbonise. We are enthusiastic about this partnership with Fortune Minerals as we continue looking at our waste streams to develop new, sustainable sources of critical minerals here in North America.”

For 120 years, Kennecott, in Utah, has been mining and processing copper and other minerals including gold, silver, molybdenum and tellurium from the rich ore body of the Bingham Canyon mine (pictured).

Fortune is developing its 100%-owned, vertically integrated NICO cobalt-gold-bismuth-copper project in Canada. This asset is comprised of a planned mine, mill and concentrator in the Northwest Territories and a related hydrometallurgical refinery in Alberta where concentrates from the mine would be processed.

Fortune and Rio Tinto are working together to assess different process methods and technology options to recover the bismuth and cobalt contained in Kennecott’s smelter waste streams. This includes assessing the effectiveness of blending Rio Tinto’s intermediate products with NICO project concentrates and conducting batch recovery tests using Fortune’s refinery flow sheets.