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Characteristic analysis of a less-rare-earth hybrid PM …

In this paper, by combining the non-rare-earth ferrite PM with rare-earth NdFeB PM materials, a new hybrid PMAREL motor is proposed for the potential application of EVs. Since the flux barriers and the two types of PMs are artfully designed, the proposed new topology can not only improve the high output torque but also enhance the operating ...

Rare Earth Beneficiation and Hydrometallurgical Processing

A modified reverse flotation process, shown in Fig. 2.2, was proposed to upgrade the rare earth from 3 to 7 % to 60 % rare earth oxide (REO) and barite from 25 to 92–95 %. Overall, rare earth recovery is 77–84 % and barite recovery is 61–68 %. Fig. 2.2.

Recent Progress of Rare‐Earth Doped Upconversion …

The challenges and future perspectives of the rare-earth doped UCNPs will be provided as a conclusion. 2 Synthesis. Various approaches have been proposed to synthesize rare-earth doped UCNPs with well controlled size, shape, morphology, as well as improved luminescence efficiency.

China Dominates the Rare Earths Market. This U.S.

China's dominance of the rare-earths market is a relatively new phenomenon. For the latter half of the 20th century, Mountain Pass was the world's main supplier of rare earth metals. But ...

Proposed Nebraska mine might produce more …

The company working to build a mine in southeast Nebraska to extract a rare element used to make steel lighter and stronger said Tuesday that it may also be able to produce some of the key ingredients …

China bans export of rare earths processing tech over …

The move to protect its rare earth technology comes as Europe and the United States scramble to wean themselves off rare earths from China, which accounts for nearly 90% of global refined output.

Five Steps for Solving the Rare-Earth Metals Shortage

Key Takeaways. The global 2050 carbon emissions targets may be eclipsed by a rare-earth supply-demand imbalance—unless governments, investors, and …

Massive rare earth discoveries could mean a new mining …

Listen • 4:26. Dane Rhys. / American Rare Earths. Researchers studying the Halleck Creek site, which could be one of the largest rare earth deposits in the …

Elk Creek Critical Minerals Project, Nebraska, the US

According to the 2022 feasibility study, the Elk Creek Project hosts an estimated 632.9 kilotonnes (kt) of contained total rare earth oxides (TREO) in the indicated mineral resource category. The Mineral Resource Estimate for niobium, titanium, and scandium in the indicated category is 188.8Mt grading at 0.51% Nb 2 O 5 for 970.3kt Nb 2 O 5 ...

Mineral Processing of Rare Earth Ores | SpringerLink

2.2.1 Occurrence. Rare earth minerals occur as fluorites, oxides, tantalates, carbonates, phosphates, sulfates, borates, silicates, etc. (Qi 2018).List of different rare earth minerals are presented in Table 2.3.The average concentration of REEs in the earth's crust is found to be 150–220 ppm, which is much higher than the concentration of other …

Algonquin First Nations Have Serious Concerns About Proposed Rare Earth …

Two Algonquin First Nations in western Quebec are raising concerns about a proposed rare earth open pit mine on their traditional lands. In a joint press statement, Wolf Lake and Eagle Village First Nation explain that Matamec Explorations Inc., wants to develop a yttrium-zirconium mine at what they call the Zeus Site, located 90km north …

Environmental impacts of rare earth production | MRS …

Rare earth elements (REEs) are important raw materials for green technologies. However, REE mining and production uses techniques that are often not environmentally sustainable. Life cycle assessment (LCA) is a well-recognized method for evaluating the environmental impacts of products and technologies. This article provides …

Controversial Alaskan Mine Receives a Push From the …

While progress on UCore's proposed rare earth element mine at Bokan-Dotson Ridge on Prince of Wales Island in southeastern Alaska had stalled in recent years, the project has received attention once again under the Trump Administration and its America First policy. The island's highly sought-after rare earth elements (REE) are a …

Company aims to mine rare-earth metals in the Bitterroot

The company states that the Sheep Creek deposit has nearly nine percent (9%) Total Rare Earth Oxide (TREO) (89,932ppm), far ahead of any other domestic rare earth resource. The deposit also has readings of 2.4% (23,810ppm) combined neodymium and praseodymium, which are both essential for the green economy.

Ramaco Resources Announces Substantial Expansion of Brook Mine Rare

In May 2023, the Company announced that a major rare earth deposit of primary magnetic rare earths Neodymium, Praseodymium, Terbium, and Dysprosium was discovered at its mine near Sheridan, Wyoming.

Some area landowners concerned about proposed rare earth …

Rare earth elements are dug out in an open pit like coal or iron, crushed into a gravel and trucked to a processing facility. Rare Element Resource's proposal calls for one 400 foot pit.

Rare-Earth Metal

Recently, U.S. senators have proposed a law aiming to end China's alleged "chokehold" on rare-earth metal supplies. Background The Chinese Communist Party has a chokehold on global rare-earth element supplies, which are used in everything from batteries to fighter jets," 80% of the United States' rare-earth imports in 2019 were from ...

Reduction of Light Rare Earths and a Proposed Process for …

Electrodeposition of the rare-earth metals La, Sm, Nd, and Dy from solution in the ionic liquids N-butyl-N-methylpyrrolidinium bistriflimide (BMPTFSI) and trimethyl butylammonium bistriflimide (Me3NBuTFSI) was studied in this work. Both ionic liquids are hydrophobic and present a wide electrochemical window as well as satisfactory ionic …

Proposed Nebraska mine might produce more rare elements

The other elements it hopes to produce, which include neodymium and dysprosium, are used to make the strong, lightweight rare earth magnets that are used to in the motors of electric vehicles, wind turbines, power tools and home appliances. The proposed mine is expected to create over 400 jobs if it is built.

Intelligent leaching rare earth elements from waste

Abstract. Rare earth elements (REEs), one of the global key strategic resources, are widely applied in electronic information and national defense, etc. The sharply increasing demand for REEs ...

The race to produce rare earth materials | MIT Technology …

Obtaining rare earth elements begins with obtaining source materials, which can happen, broadly, in three ways: primary extraction, or mining directly from the earth; recovery from secondary...

Rare Earth Mining: Sacing the Environment to Save the …

The infamous case of rare earth mining in Bayan'obo, Inner Mongolia, China, has raised a debate about how the environmental risks of rare earth mining measure up against their environmental and climate benefits. ... The proposed legislation states that the extraction of materials from the critical minerals list should be classified as …

Meeting on proposed mine Monday; plan of operations to …

In March of 2023, the company claimed to have discovered the highest-quality deposit of rare-earth elements in the nation, billing its Sheep Creek holdings as "one of the highest-grade light rare ...

Proposed US Legislation Could Encourage Mining of Rare Earth …

If enacted, the Rare Earth Magnet Act would create a new tax credit for the production of rare earth magnets, which would appear in Section 45U of the Internal Revenue Code of 1986, as amended (the "Code"). The proposed tax credit would equal $20 per kilogram of rare earth magnets manufactured in the United States.

Proposed US Legislation Could Encourage Mining of Rare …

The tax credit would increase to $30 per kilogram if all of the component rare earth material of these magnets is produced within the United States. Under the Rare …

New 'Rare Earths' mine announced for Bouse | News

Western Rare Earths announced March 19 plans for a mining operation to be located near Bouse, Ariz. The announcement was made at the site of the proposed project outside Bouse. Marty Weems, CEO of Western Rare Earths, was introduced by Skip Becker of the La Paz Economic Development Corporation.

Nunavik Inuit respond to proposed rare earths mine

About five vessels per year are planned to haul out rare earths. Commerce Resources said the mine could have an annual production 16,850 tonnes. Global demand for rare earth elements was estimated at roughly 136,000 tonnes in 2017. Rare earth elements are used in flat screen televisions, laptops, iPod earbuds and digital cameras.

Rare Earth Mine Could Impact Montana Trout …

Travis Hall. A Nevada-based mineral company has announced plans to develop a mine near the headwaters of the West Fork of the Bitterroot River in western Montana. If approved, the project …

Is Intelligent Life As Uncommon As 'Rare Earth' First Proposed?

Like a desert mirage, the task of assessing the rarity of intelligent life in the universe seems to become more convoluted with each passing year. "Our best new view of the origin of life is ...

Massive rare earth discoveries could mean a new mining …

American Rare Earths owns about 8,000 acres of mining claims here – called the Halleck Creek Project – on a mix of private, federal and state land. The company announced promising results from ...

RANKED: World's top 10 rare earth projects

The Nechalacho-Thor Lake mine operated by Vital Metals boasts the world's 13th largest rare earth oxide resource (measured, indicated and inferred) at 1.7m tonnes. ... The proposed mine, roughly ...

First rare earth plant in UK proposed for Hull

A site in Hull has been chosen as the proposed location for what would be the UK's first plant to process rare earth materials. Rare earth oxides are used to make powerful permanent magnets ...

Proposed rare earths mine raises environmental concerns in …

The proposed mine, set to be built in Elk Creek, Nebraska, will involve drilling approximately 1,500 feet underground and span over 60 acres of land. ... "Rare earth mining is one of the most environmentally destructive practices that occurs on the planet." said James Taylor, president of The Heartland Institute, a public policy think …

Mining company gets approval for more rare-earth mineral …

The Bitterroot National Forest said the proposed plans were not likely to cause significant resource disturbances, which would trigger a further round of permitting application and environmental review. ... The companies say they believe a deposit of rare earth elements lies at the site. Rare earths are used in the production of computer chips ...

Rare-earth high-entropy alloys with giant magnetocaloric effect

Abstract. In this paper, we report the development of rare-earth high-entropy alloys (RE-HEA) with multiple principle elements randomly distributed on a single hexagonal close-packed (HCP) lattice. Our work demonstrated that it is the entropy, rather than other atomic factors such as enthalpy, atomic size and electronegativity, that dictates ...

Developing Alternatives to Rare Earth Materials

Rare earth metals are essential ingredients in a vast array of consumer, medical, and military products ranging from smartphones to guided missiles. ... President Trump has already dragged rare earth elements into the conflict by including them on a list of proposed tariffs announced earlier this month. The tariffs reflect Trump's stated goal ...

Proposed rare earth mine suspended indefinitely

Dan Cepeda, Star-Tribune. GREG FLADAGER. The proposed Bear Lodge rare earths mine project in northeast Wyoming has been put on indefinite hold because of low commodity prices and lack of financing ...

The Successive Stabilities and Proposed Models of the Rare Earth …

The stability constants of the rare-earth complexes with 2-ethyl-2-hydroxy-3-methylbutyric acid have been determined potentiometrically at 25.0 °C and at an ionic strength of 0.10, with sodium … Expand

Colorado company seeking to mine Nebraska for rare earth …

OMAHA, Neb. — The Colorado company that wants to mine for critical minerals in southeast Nebraska has signed a deal with Stellantis, giving the automaker …