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Mining Tech / Processing


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  • A vial of gold being held above a pile of discarded circuit boards.

    Extracting green gold, PGMs from waste

    Shane Lasley, Metal Tech News|Updated Apr 5, 2024

    Researchers develop a highly efficient and selective method of extracting precious metals from e-waste, catalytic converters, and ore. Scientists at the University of Illinois Urbana-Champaign have developed a cleaner and more efficient method of recovering gold and platinum group metals (PGMs) from electronic waste and other discarded materials. Even though it costs anywhere from $925 to $4,500 to buy just one ounce of these precious metals, gold and PGMs have special...

  • A pile of bluish silver lead bars stamped with “Doe Run.”

    DOD invests in Missouri battery metals

    Shane Lasley, Metal Tech News|Updated Apr 2, 2024

    Pentagon awards Doe Run $7 million to help scale up a cobalt and nickel processing plant in The Show-Me State. As part of a larger objective to ensure the United States has reliable domestic supplies of the minerals and metals critical to the nation's economy and security, the U.S. Department of Defense has awarded The Doe Run Resources Corp. $7 million to complete a demonstration-scale hydrometallurgical plant for separation of cobalt and nickel at their facility in...

  • Periodic table symbol for cobalt, with name and atomic number in electric blue.

    Jervois narrows US cobalt refinery locale

    Shane Lasley, Metal Tech News|Updated Mar 12, 2024

    Investigating the advantages of industrial sites in Pennsylvania and Louisiana ahead of final decision. Industrial sites in Pennsylvania and Louisiana are on Jervois Global Ltd.'s short list of locations to build a domestic refining and recycling plant that will help break the United States' dependence on countries like the Democratic Republic of Congo and China for cobalt used in the lithium-ion batteries powering electric vehicles. Jervois already owns Idaho Cobalt...

  • An instrument held up to pink and beige bands of underground mineralization.

    US Critical Materials separation tech

    Shane Lasley, Metal Tech News|Updated Feb 16, 2024

    USCM is working with INL scientists to develop cutting- edge tech for the separation of rare earths and other critical minerals. Expanding into a critical segment of America's rare earths supply chain, US Critical Materials Corp. is working with Idaho National Laboratory to develop new technologies to separate this suite of notoriously tightly interlocked technology elements. While the United States has no shortage of potential domestic rare earth supplies, and even has one...

  • A pile of goldenrod-colored powder containing mixed rare earth elements.

    Ucore to process Defense Metals REEs

    Shane Lasley, Metal Tech News|Updated Jan 15, 2024

    A sample of mixed rare earths from Wicheeda project to be processed through Ucore's RapidSX demo plant in Ontario. In a milestone along the path to establishing a complete rare earth elements supply chain in North America, Defense Metals Corp. will ship a mixed rare earth carbonate sample from its Wicheeda project in British Columbia to Ucore Rare Metals Inc.'s RapidSX REE commercialization and demonstration facility in Ontario for processing. "We expect to ship a mixed rare...

  • Drone view of a pilot-scale mill and gold recovery plant in the Yukon.

    An EnviroMetal gold recovery breakthrough

    Shane Lasley, Metal Tech News|Updated Nov 29, 2023

    Testing over the past three years has shown that EnviroMetal Technologies Inc.'s proprietary formula offers an environmentally sound alternative to cyanide for leaching gold from high-grade ore, concentrates, and recycled electronics. A new breakthrough by the British Columbia-based company could make this non-cyanide gold leaching process an option for operations with lower-grade ore and concentrates. "We are extremely encouraged with our latest breakthrough; it has the...

  • Mine tailings from Newmont Corp.'s Musselwhite Mine in Canada.

    Nextgen miners might include microbes

    K. Warner, For Metal Tech News|Updated Nov 15, 2023

    Each year in Canada, roughly 200 active mines contribute to billions of tons of mining waste. The estimated number of tailing storage facilities surveyed worldwide is over 12,000. While considered industrial waste, these facilities also contain a number of useful minerals at a concentration deemed too low to be worth extracting-until now. Enter biomining, which covers several biological separation technologies offering eco-friendly recovery of valuable and strategic materials...

  • Pilot scale mill and processing plant at the 3 Aces gold project in the Yukon.

    Testing a cyanide gold recovery alternative

    Shane Lasley, Metal Tech News|Updated Nov 1, 2023

    EnviroMetal Technologies Inc. is ramping up the commissioning of a pilot plant to demonstrate the commercial viability of a technology that offers a more environmentally sound alternative to cyanide for leaching gold from ore, concentrates, and recycled electronics. EnviroMetal's innovative gold recovery technology uses a blend of five ingredients that individually are FDA approved for human consumption but together can dissolve gold. Once in solution, the gold can be...

  • Heavily mineralized rock with veining and orange, red, and purple colorization.

    A fortunate bismuth-cobalt partnership

    Shane Lasley, Data Mine North|Updated Oct 24, 2023

    Rio Tinto, Fortune Minerals team up to recover critical minerals at Nico refinery in Alberta. To bolster the North American supply of critical minerals, global mining giant Rio Tinto and Canadian mine developer Fortune Minerals Ltd. are working together to improve the recovery of bismuth and cobalt from ore and waste streams. "We are committed to find better ways to provide the materials the world needs to grow and decarbonize," said Rio Tinto Kennecott Managing Director Nate...

  • High-purity scandium dendrite crystals next to one-centimeter cube.

    NioCorp produces scandium metal in US

    Shane Lasley, Mining News|Updated Aug 23, 2023

    As first step in a 3-phase strategy to upgrade Elk Creek scandium to Al-Sc master alloy at commercial scale. The need for durable and lightweight alloys for electric vehicles, mass transit systems, military hardware, and aerospace is driving increasing interest in establishing commercial production of aluminum-scandium master alloy in the United States. NioCorp Developments Ltd.'s Elk Creek deposit in Nebraska offers an important domestic source of the critical metal...

  • Artist rendering of future geothermal power-lithium plant near the Salton Sea.

    CTR selects Aquatech for lithium plant

    Shane Lasley, Metal Tech News|Updated Aug 17, 2023

    $1 billion facility to produce battery-grade lithium for roughly 415,000 EVs annually, plus deliver 55MW of clean electricity. Crossing another major milestone on its path to producing zero-carbon lithium and electricity from geothermal brines at its Hell's Kitchen project in Southern California, Controlled Thermal Resources Holdings Inc. announced that it has engaged Aquatech as its technology partner to design and build plants that will upgrade lithium chloride recovered to...

  • Closeup of Thunder Bay, Ontario, and Lake Superior on a map.

    Avalon advances Ontario lithium strategy

    Shane Lasley, Metal Tech News|Updated Jul 25, 2023

    MOU with Metso lays groundwork for the processing tech to produce lithium hydroxide for EV batteries at a planned plant in Thunder Bay, Ont. In a major step toward its goal of becoming the first vertically integrated lithium producer in Ontario, Avalon Advanced Materials Inc. has signed a preliminary agreement with Finland-based Metso Corp. for the development of a processing plant on the north shores of Lake Superior that would upgrade lithium concentrates from Avalon's...

  • Enormous rolls of stainless steel produced by ArcelorMittal.

    ArcelorMittal, GM recycled steel deal

    K. Warner, For Metal Tech News|Updated Jun 20, 2023

    ArcelorMittal North America will supply General Motors with XCarb, a recycled and renewably produced (RRP) steel product that is taking the two industry giants a step closer to carbon neutrality. "This agreement provides another example of how we are innovating with our suppliers to reduce emissions throughout the supply chain," said Jeff Morrison, GM VP of global purchasing and supply chain. "It also highlights how strong supplier relationships can help build a better, more...

  • Closeup of columns filled with liquids needed to separate rare earth elements.

    DOD invests in Ucore's rare earths tech

    Shane Lasley, Metal Tech News|Updated Jun 20, 2023

    Pentagon invests $4M to test and boost readiness level of RapidSX separation tech. To help break America's dependence on China for the rare earth elements that go into modern military hardware, the U.S. Department of Defense has awarded Ucore Rare Metals Inc. US$4 million to demonstrate the capabilities of its RapidSX rare earths separation technology. Developed by Ucore subsidiary Innovation Metals Corp., RapidSX is a faster and more environmentally sound technological...

  • Periodic table showing scandium, titanium, niobium, and other critical minerals.

    More Elk Creek critical minerals, alloys

    Shane Lasley, Metal Tech News|Updated May 30, 2023

    NioCorp looks at using Elk Creek scandium in Al-Sc alloys; increased niobium, titanium recoveries could boost economics of future mine. From the launch of a project aimed at producing incredibly strong and lightweight aluminum-scandium alloys, to significantly improving the recovery of niobium and titanium, NioCorp Developments Ltd. has released a flurry of promising new developments that elevate its goal of building a critical minerals hub around its Elk Creek project in...

  • Mixers stir blue fluids at Ucore’s RapidSX demonstration plant in Canada.

    Ucore's rare earths plant takes shape

    Shane Lasley, Metal Tech News|Updated Apr 16, 2023

    RapidSX team on pace to begin commissioning REE separation plant this year Despite snarled supply chains, Ucore Rare Metals Inc. says it remains on track to begin commissioning a plant in Canada that will demonstrate the commercial viability of its RapidSX separation technology to automakers and others that are seeking an efficient and sustainable means of producing the rare earths needed for electric vehicles, renewable energy, high-tech devices, and household goods. A suite...

  • Columns of liquids used to separate mixed rare earths into individual elements.

    Ucore's Alaska 2023 is now Louisiana 2024

    Shane Lasley, Metal Tech News|Updated Oct 18, 2022

    Plans to build first rare earths plant In the Gulf Coast state by 2024. With $10 million in economic incentives and quicker permitting of already established industrial sites on the Gulf of Mexico, Louisiana has lured Ucore Rare Metals Inc. and its proprietary rare earths separation technology away from Alaska. In 2020, Ucore set a plan in motion to begin producing individual rare earth elements in Alaska by 2023. The idea was to install its RapidSX rare earths separation...

  • L3 Process Development’s modern innovations building in Quebec, Canada.

    NioCorp testing Elk Creek REE recovery

    Shane Lasley, Metal Tech News|Updated Sep 13, 2022

    Demonstration plant to verify simplified critical minerals recovery Looking to expand the suite of critical metals produced from a future mine at Elk Creek, NioCorp Developments Ltd. is testing a simplified process for recovering rare earth elements alongside the niobium, scandium, and titanium for which the Nebraska critical minerals project is best known. According to a feasibility study completed earlier this year, an underground mine at Elk Creek would produce an...

  • EnviroMetal Technologies Group 11 environmentally friendly metal leaching

    EnviroMetal recovers gold from mine dust

    Shane Lasley, Metal Tech News|Updated Jul 12, 2022

    Broadening the potential applications of its environmentally sustainable metal leaching formula, EnviroMetal Technologies Inc. reports that it has successfully extracted 221 ounces of gold from roughly 150 kilograms (330 pounds) of dust collected in baghouse filters from a Canadian gold producer. The company says this milestone demonstrates the effectiveness of its proprietary non-cyanide formula in recovering exceptionally high-grade gold from otherwise difficult to process...

  • coal mines United States repurposed critical minerals DOE Jennifer Granholm

    From coal basins to critical mineral mines

    Shane Lasley, Metal Tech News|Updated Jul 10, 2022

    Looking to transform old coal mining regions into new domestic sources for rare earths and critical minerals vital to electric vehicles, renewable energy, and other technologies, the U.S. Department of Energy has awarded $19 million for 13 projects in traditionally fossil fuel-producing communities from Appalachia to Alaska. "The very same fossil fuel communities that have powered our nation for decades can be at the forefront of the clean energy economy by producing the...

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